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BR9104928A - Processo e aparelho para separacao de gases por absorcao com oscilacao de pressao rapida - Google Patents

Processo e aparelho para separacao de gases por absorcao com oscilacao de pressao rapida

Info

Publication number
BR9104928A
BR9104928A BR919104928A BR9104928A BR9104928A BR 9104928 A BR9104928 A BR 9104928A BR 919104928 A BR919104928 A BR 919104928A BR 9104928 A BR9104928 A BR 9104928A BR 9104928 A BR9104928 A BR 9104928A
Authority
BR
Brazil
Prior art keywords
gases
absorption
separation
pressure oscillation
rapid pressure
Prior art date
Application number
BR919104928A
Other languages
English (en)
Inventor
Shivaji Sircar
Original Assignee
Air Prod & Chem
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Air Prod & Chem filed Critical Air Prod & Chem
Publication of BR9104928A publication Critical patent/BR9104928A/pt

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B01D53/047—Pressure swing adsorption
    • B01D53/0473—Rapid pressure swing adsorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/30—Physical properties of adsorbents
    • B01D2253/302—Dimensions
    • B01D2253/304—Linear dimensions, e.g. particle shape, diameter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2256/00—Main component in the product gas stream after treatment
    • B01D2256/10—Nitrogen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2256/00—Main component in the product gas stream after treatment
    • B01D2256/12—Oxygen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2256/00—Main component in the product gas stream after treatment
    • B01D2256/16—Hydrogen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/10—Single element gases other than halogens
    • B01D2257/102—Nitrogen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/10—Single element gases other than halogens
    • B01D2257/104—Oxygen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/50—Carbon oxides
    • B01D2257/502—Carbon monoxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/50—Carbon oxides
    • B01D2257/504—Carbon dioxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • B01D2257/702—Hydrocarbons
    • B01D2257/7022—Aliphatic hydrocarbons
    • B01D2257/7025—Methane
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/80—Water
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/40003—Methods relating to valve switching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/401—Further details for adsorption processes and devices using a single bed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/402—Further details for adsorption processes and devices using two beds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/404—Further details for adsorption processes and devices using four beds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/414—Further details for adsorption processes and devices using different types of adsorbents
    • B01D2259/4141—Further details for adsorption processes and devices using different types of adsorbents within a single bed
    • B01D2259/4145—Further details for adsorption processes and devices using different types of adsorbents within a single bed arranged in series
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00—Capture or disposal of greenhouse gases
    • Y02C20/20—Capture or disposal of greenhouse gases of methane
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00—Capture or disposal of greenhouse gases
    • Y02C20/40—Capture or disposal of greenhouse gases of CO2

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Of Gases By Adsorption (AREA)
  • Hydrogen, Water And Hydrids (AREA)
BR919104928A 1990-11-19 1991-11-13 Processo e aparelho para separacao de gases por absorcao com oscilacao de pressao rapida BR9104928A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/615,075 US5071449A (en) 1990-11-19 1990-11-19 Gas separation by rapid pressure swing adsorption

Publications (1)

Publication Number Publication Date
BR9104928A true BR9104928A (pt) 1992-06-23

Family

ID=24463891

Family Applications (1)

Application Number Title Priority Date Filing Date
BR919104928A BR9104928A (pt) 1990-11-19 1991-11-13 Processo e aparelho para separacao de gases por absorcao com oscilacao de pressao rapida

Country Status (7)

Country Link
US (1) US5071449A (pt)
EP (1) EP0486926B1 (pt)
JP (1) JPH06104176B2 (pt)
BR (1) BR9104928A (pt)
CA (1) CA2055290C (pt)
DE (1) DE69111990T2 (pt)
MX (1) MX9102099A (pt)

Families Citing this family (74)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5266102A (en) * 1992-09-23 1993-11-30 Air Products And Chemicals, Inc. O2 VSA process with low O2 capacity adsorbents
GB9303844D0 (en) * 1993-02-25 1993-04-14 Boc Group Plc Purification method and apparatus
JP2534614B2 (ja) * 1993-06-03 1996-09-18 テイサン株式会社 ガス精製装置
GB9424191D0 (en) * 1994-11-30 1995-01-18 Boc Group Plc Purification apparatus
US5593475A (en) * 1995-04-13 1997-01-14 Liquid Air Engineering Corporation Mixed bed adsorber
US5672196A (en) * 1995-08-01 1997-09-30 The Boc Group, Inc. Process and apparatus for the separation of gases
US5681370A (en) * 1995-11-17 1997-10-28 Mcmahon; James P. Air dryer system
SE517561C2 (sv) * 1996-03-04 2002-06-18 Aga Ab Förfarande och anordning för framställning av en gas genom separation från en gasblandning
US5759242A (en) * 1996-07-23 1998-06-02 Praxair Technology, Inc. Radial bed vaccum/pressure swing adsorber vessel
US5827358A (en) * 1996-11-08 1998-10-27 Impact Mst, Incorporation Rapid cycle pressure swing adsorption oxygen concentration method and apparatus
US5882380A (en) * 1997-05-14 1999-03-16 Air Products And Chemicals, Inc. Pressure swing adsorption process with a single adsorbent bed
GB9710664D0 (en) * 1997-05-23 1997-07-16 Boc Group Plc Separation of a gas
FR2765491B1 (fr) * 1997-07-07 1999-08-06 Air Liquide Procede de separation d'un flux gazeux par un procede psa
FR2767717B1 (fr) * 1997-08-28 1999-10-01 Air Liquide Granulometrie et epaisseur de lit d'une unite psa
US6506234B1 (en) 1998-02-27 2003-01-14 Praxair Technology, Inc. Pressure swing adsorption gas separation method, using adsorbents with high intrinsic diffusivity and low pressure ratios
EP1059998A1 (en) 1998-02-27 2000-12-20 PRAXAIR TECHNOLOGY, Inc. Vpsa process using improved adsorbent materials
US6500234B1 (en) 1998-02-27 2002-12-31 Praxair Technology, Inc. Rate-enhanced gas separation
US6146447A (en) * 1998-11-25 2000-11-14 Air Products And Chemicals, Inc. Oxygen generation process and system using single adsorber and single blower
US6102985A (en) * 1998-11-25 2000-08-15 Air Products And Chemicals, Inc. Pressure swing adsorption process and system with dual product storage tanks
US6096115A (en) * 1998-11-25 2000-08-01 Air Products And Chemicals, Inc. Pressure swing adsorption process and system utilizing two product storage tanks
US6183538B1 (en) 1999-02-09 2001-02-06 Air Products And Chemicals, Inc. Pressure swing adsorption gas flow control method and system
US6156101A (en) * 1999-02-09 2000-12-05 Air Products And Chemicals, Inc. Single bed pressure swing adsorption process and system
US6364937B1 (en) 2000-05-10 2002-04-02 Mcmahon James P. Humidity control system
JP3891773B2 (ja) * 2000-10-20 2007-03-14 大陽日酸株式会社 ガスの分離精製方法及びその装置
US6511526B2 (en) 2001-01-12 2003-01-28 Vbox, Incorporated Pressure swing adsorption gas separation method and apparatus
US7838708B2 (en) 2001-06-20 2010-11-23 Grt, Inc. Hydrocarbon conversion process improvements
US6551384B1 (en) 2001-07-05 2003-04-22 Praxair Technology, Inc. Medical oxygen concentrator
FR2848983B1 (fr) * 2002-12-18 2005-01-28 Air Liquide Procede de fourniture a des occupants d'un aeronef d'un melange gazeux riche en oxygene
JP4272922B2 (ja) * 2003-05-26 2009-06-03 本田技研工業株式会社 純水素製造装置
US20050038310A1 (en) 2003-07-15 2005-02-17 Lorkovic Ivan M. Hydrocarbon synthesis
US20050171393A1 (en) 2003-07-15 2005-08-04 Lorkovic Ivan M. Hydrocarbon synthesis
US7244867B2 (en) 2004-04-16 2007-07-17 Marathon Oil Company Process for converting gaseous alkanes to liquid hydrocarbons
US7674941B2 (en) 2004-04-16 2010-03-09 Marathon Gtf Technology, Ltd. Processes for converting gaseous alkanes to liquid hydrocarbons
US8642822B2 (en) 2004-04-16 2014-02-04 Marathon Gtf Technology, Ltd. Processes for converting gaseous alkanes to liquid hydrocarbons using microchannel reactor
US8173851B2 (en) 2004-04-16 2012-05-08 Marathon Gtf Technology, Ltd. Processes for converting gaseous alkanes to liquid hydrocarbons
US20060100469A1 (en) 2004-04-16 2006-05-11 Waycuilis John J Process for converting gaseous alkanes to olefins and liquid hydrocarbons
US20080275284A1 (en) 2004-04-16 2008-11-06 Marathon Oil Company Process for converting gaseous alkanes to liquid hydrocarbons
US20050252374A1 (en) * 2004-05-12 2005-11-17 Henzler Gregory W Adsorbent bed and process for removal of propane from feed streams
GB0421198D0 (en) * 2004-09-24 2004-10-27 Johnson Matthey Plc Reaction vessel
JP2008526494A (ja) * 2005-01-07 2008-07-24 クエストエアー テクノロジーズ インコーポレイテッド 速度分離のための工学的吸着構造
US7954490B2 (en) * 2005-02-09 2011-06-07 Vbox, Incorporated Method of providing ambulatory oxygen
US7368005B2 (en) * 2005-04-05 2008-05-06 Respironics Oxytec, Inc. Portable oxygen concentrator
US7329304B2 (en) * 2005-04-05 2008-02-12 Respironics Oxytec, Inc. Portable oxygen concentrator
US7402193B2 (en) * 2005-04-05 2008-07-22 Respironics Oxytec, Inc. Portable oxygen concentrator
US7390350B2 (en) * 2005-04-26 2008-06-24 Air Products And Chemicals, Inc. Design and operation methods for pressure swing adsorption systems
UA95943C2 (ru) 2006-02-03 2011-09-26 ДжиАрТи, ИНК. Отделение легких газов от галогенов
EA020442B1 (ru) 2006-02-03 2014-11-28 ДжиАрТи, ИНК. Способ превращения углеводородного сырья (варианты) и система для его осуществления
US20090071333A1 (en) * 2006-10-04 2009-03-19 Air Products And Chemicals, Inc. Performance Stability in Shallow Beds in Pressure Swing Adsorption Systems
US7717981B2 (en) * 2006-10-04 2010-05-18 Air Products And Chemicals, Inc. Performance stability in shallow beds in pressure swing adsorption systems
US8016918B2 (en) 2006-10-04 2011-09-13 Air Products And Chemicals, Inc. Performance stability in rapid cycle pressure swing adsorption systems
AP2010005097A0 (en) 2007-05-24 2009-12-31 Grt Inc Zone reactor incorporating reversible hydrogen halide capture and release
SG183687A1 (en) 2007-08-03 2012-09-27 Errcive Inc Porous bodies and methods
US8282810B2 (en) * 2008-06-13 2012-10-09 Marathon Gtf Technology, Ltd. Bromine-based method and system for converting gaseous alkanes to liquid hydrocarbons using electrolysis for bromine recovery
AU2009270801B2 (en) 2008-07-18 2014-04-24 Reaction 35, Llc Continuous process for converting natural gas to liquid hydrocarbons
US8277743B1 (en) 2009-04-08 2012-10-02 Errcive, Inc. Substrate fabrication
US8226745B2 (en) * 2009-04-28 2012-07-24 Lehigh University Miniature oxygen concentrators and methods
US8359829B1 (en) 2009-06-25 2013-01-29 Ramberg Charles E Powertrain controls
EP2456540A4 (en) 2009-07-22 2013-10-09 Vbox Inc APPARATUS FOR SEPARATING OXYGEN FROM AMBIENT AIR
WO2011105548A1 (ja) * 2010-02-27 2011-09-01 Ｊｆｅスチール株式会社 圧力スイング吸着法によるガス分離装置
US8198495B2 (en) 2010-03-02 2012-06-12 Marathon Gtf Technology, Ltd. Processes and systems for the staged synthesis of alkyl bromides
US8367884B2 (en) 2010-03-02 2013-02-05 Marathon Gtf Technology, Ltd. Processes and systems for the staged synthesis of alkyl bromides
US9833932B1 (en) 2010-06-30 2017-12-05 Charles E. Ramberg Layered structures
US8815050B2 (en) 2011-03-22 2014-08-26 Marathon Gtf Technology, Ltd. Processes and systems for drying liquid bromine
US8436220B2 (en) 2011-06-10 2013-05-07 Marathon Gtf Technology, Ltd. Processes and systems for demethanization of brominated hydrocarbons
US8829256B2 (en) 2011-06-30 2014-09-09 Gtc Technology Us, Llc Processes and systems for fractionation of brominated hydrocarbons in the conversion of natural gas to liquid hydrocarbons
JP5808614B2 (ja) 2011-08-31 2015-11-10 Ｊｆｅスチール株式会社 ガス吸着分離装置
US8802908B2 (en) 2011-10-21 2014-08-12 Marathon Gtf Technology, Ltd. Processes and systems for separate, parallel methane and higher alkanes' bromination
US9193641B2 (en) 2011-12-16 2015-11-24 Gtc Technology Us, Llc Processes and systems for conversion of alkyl bromides to higher molecular weight hydrocarbons in circulating catalyst reactor-regenerator systems
WO2014130833A1 (en) 2013-02-21 2014-08-28 Lehigh University Oxygen concentrator system and method
WO2016013003A1 (en) * 2014-07-21 2016-01-28 Technion Research & Development Foundation Limited Compositions for direct breath sampling
US10765991B2 (en) 2017-08-10 2020-09-08 Air Products And Chemicals, Inc. Rapid cycle pressure swing adsorption process and adsorbent laminates for use therein
US10662061B1 (en) 2019-08-20 2020-05-26 Saudi Arabian Oil Company Two-stage adsorption process for Claus tail gas treatment
GB202316731D0 (en) 2023-11-01 2023-12-13 Mof Tech Limited Method and apparatus for carbon dioxide serparation
GB202206101D0 (en) 2022-04-27 2022-06-08 Mof Tech Limited Method and apparatus for carbon dioxide separation

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL286549A (pt) * 1961-12-14
US3430418A (en) * 1967-08-09 1969-03-04 Union Carbide Corp Selective adsorption process
HU170029B (pt) * 1973-05-18 1977-03-28
JPS51136571A (en) * 1975-05-21 1976-11-26 Nittetsu Kakoki Kk Solid-fluid contact apparatus
US4194892A (en) * 1978-06-26 1980-03-25 Union Carbide Corporation Rapid pressure swing adsorption process with high enrichment factor
US4194891A (en) * 1978-12-27 1980-03-25 Union Carbide Corporation Multiple bed rapid pressure swing adsorption for oxygen
CA1153316A (en) * 1979-09-28 1983-09-06 Paul J. Gardner Rapid cycle gas separation system
US4354859A (en) * 1981-08-06 1982-10-19 Union Carbide Corporation Enhanced gas separation by selective adsorption
DE3132572A1 (de) * 1981-08-18 1983-03-10 Linde Ag, 6200 Wiesbaden Verfahren zur adsorptiven zerlegung eines gasgemisches
US4406675A (en) * 1981-12-10 1983-09-27 Union Carbide Corporation RPSA Process
US4386945A (en) * 1982-02-01 1983-06-07 Litton Systems, Inc. Process and compound bed means for evolving a first component enriched gas
FR2532186B1 (fr) * 1982-08-28 1989-12-29 Schack & Co Rekuperator Procede pour l'epuration d'un courant de gaz par adsorption provenant des pollutions de vapeurs ou de gaz
US4421531A (en) * 1982-09-13 1983-12-20 Air Products And Chemicals, Inc. Adiabatic pressure swing absorption process for removing low concentrations of oxygen from mixed gas streams
US4421530A (en) * 1982-09-13 1983-12-20 Air Products And Chemicals, Inc. Process for removing oxygen from mixed gas streams using a swing adiabatic absorption-isothermal desorption cycle
US4436534A (en) * 1982-11-08 1984-03-13 Seguy Bernard R Method for reducing desorbent consumption in recovery systems
GB2161717B (en) * 1984-07-20 1987-11-04 Boc Group Plc Improved apparatus for the separation of a gaseous mixture
US4744803A (en) * 1985-08-19 1988-05-17 The Ohio State University Research Foundation Complementary pressure swing adsorption
GB8718129D0 (en) * 1987-07-30 1987-09-03 Boc Group Plc Separation of gas mixtures
US4853004A (en) * 1988-01-20 1989-08-01 The Boc Group, Inc. Method for densely packing molecular sieve adsorbent beds in a PSA system
US4948391A (en) * 1988-05-12 1990-08-14 Vacuum Optics Corporation Of Japan Pressure swing adsorption process for gas separation
GB8812642D0 (en) * 1988-05-27 1988-06-29 Boc Group Plc Separation of gas mixtures

Also Published As

Publication number Publication date
DE69111990D1 (de) 1995-09-14
JPH06104176B2 (ja) 1994-12-21
EP0486926B1 (en) 1995-08-09
DE69111990T2 (de) 1995-11-23
EP0486926A1 (en) 1992-05-27
US5071449A (en) 1991-12-10
MX9102099A (es) 1993-01-01
CA2055290C (en) 1998-08-18
CA2055290A1 (en) 1992-05-20
JPH04267919A (ja) 1992-09-24

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Legal Events

Date Code Title Description
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FA8 Dismissal: dismissal - article 36, par. 1 of industrial property law