BR9004424A - Membrana sintetica porosa,metodo para sua preparacao e uso - Google Patents

Membrana sintetica porosa,metodo para sua preparacao e uso

Info

Publication number: BR9004424A
Authority: BR; Brazil
Prior art keywords: poros; preparation; synthetic membrane; membrane; synthetic
Prior art date: 1989-09-05

Application number

BR909004424A

Other languages

English (en)

Inventor

Flemming F Stengaard

Peter S Nielsen

Karen Hvid-Ipsen

Original Assignee

Dow Danmark

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.)

1989-09-05

Filing date

1990-09-05

Publication date

1991-09-10

1990-09-05 Application filed by Dow Danmark filed Critical Dow Danmark

1991-09-10 Publication of BR9004424A publication Critical patent/BR9004424A/pt

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0088—Physical treatment with compounds, e.g. swelling, coating or impregnation
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/12—Composite membranes; Ultra-thin membranes
- B01D69/125—In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction
- B01D69/1251—In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction by interfacial polymerisation

Landscapes

Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Inorganic Chemistry (AREA)
Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Separation Using Semi-Permeable Membranes (AREA)

BR909004424A 1989-09-05 1990-09-05 Membrana sintetica porosa,metodo para sua preparacao e uso BR9004424A (pt)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DK438689A DK438689D0 (da)	1989-09-05	1989-09-05	Hydrofil membran til anvendelse ved ultrafiltrering eller mikrofiltrering samt fremgangsmaade til fremstilling deraf

Publications (1)

Publication Number	Publication Date
BR9004424A true BR9004424A (pt)	1991-09-10

Family

ID=8133082

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR909004424A BR9004424A (pt)	1989-09-05	1990-09-05	Membrana sintetica porosa,metodo para sua preparacao e uso

Country Status (6)

Country	Link
EP (1)	EP0419396A1 (pt)
JP (1)	JPH03114518A (pt)
BR (1)	BR9004424A (pt)
CA (1)	CA2024575A1 (pt)
DK (1)	DK438689D0 (pt)
NZ (1)	NZ235165A (pt)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5646206A (en) *	1993-04-23	1997-07-08	The United States Of America As Represented By The Secretary Of Agriculture	Films fabricated from mixtures of pectin and poly(vinyl alchohol)
DE69403797T2 (de) *	1993-06-02	1998-01-15	Minnesota Mining & Mfg	Nichtgewebte materialien und methode zur herstellung derselben
US6576408B2 (en) *	1998-04-29	2003-06-10	Brewer Science, Inc.	Thermosetting anti-reflective coatings comprising aryl urethanes of hydroxypropyl cellulose
JP2000281819A (ja) *	1999-01-27	2000-10-10	Aventis Res & Technol Gmbh & Co Kg	架橋高分子膜の製造方法及び燃料電池
AU2005312347B2 (en) *	2004-12-03	2010-03-25	Evoqua Water Technologies Llc	Membrane post treatment
EP1827664B1 (en) *	2004-12-03	2011-06-08	Siemens Industry, Inc.	Membrane post treatment
GB0509422D0 (en)	2005-05-09	2005-06-15	Mabtech Ab	Membranes
MY145939A (en) *	2006-07-14	2012-05-31	Siemens Industry Inc	Improved monopersulfate treatment of membranes
DE102009022513A1 (de) *	2009-05-25	2010-12-02	Qiagen Gmbh	Verfahren zum Schutz von Membranen
US8857629B2 (en)	2010-07-15	2014-10-14	International Business Machines Corporation	Composite membrane with multi-layered active layer
US8727135B2 (en)	2010-09-01	2014-05-20	International Business Machines Corporation	Composite filtration membranes and methods of preparation thereof
US8709536B2 (en)	2010-09-01	2014-04-29	International Business Machines Corporation	Composite filtration membranes and methods of preparation thereof
US9022227B2 (en)	2011-03-21	2015-05-05	International Business Machines Corporation	Composite membranes and methods of preparation thereof
US9561474B2 (en)	2012-06-07	2017-02-07	International Business Machines Corporation	Composite membrane with multi-layered active layer
KR20150054918A (ko)	2012-09-14	2015-05-20	에보쿠아 워터 테크놀로지스 엘엘씨	막을 위한 중합체 블렌드
EP3322511B1 (en)	2015-07-14	2022-09-07	Rohm & Haas Electronic Materials Singapore Pte. Ltd	Aeration device for filtration system
US11439957B2 (en)	2020-11-13	2022-09-13	Saudi Arabian Oil Company	Desalination membranes
US11571663B2 (en)	2020-11-13	2023-02-07	Saudi Arabian Oil Company	Desalination membranes
US20250153116A1 (en) *	2022-02-15	2025-05-15	Texas Tech University System	Macroporous graphene membrane

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5824304A (ja) *	1981-08-07	1983-02-14	Toray Ind Inc	高性能半透性複合膜
GB2189168B (en) *	1986-04-21	1989-11-29	Aligena Ag	Composite membranes useful in the separation of low molecular weight organic compounds from aqueous solutions containing inorganic salts
DK169616B1 (da) *	1986-08-27	1994-12-27	Dow Danmark	Permeabel, porøs, polymerbehandlet plastmembran med hydrofil karakter, fremgangsmåder til fremstilling heraf samt anvendelse heraf

1989
- 1989-09-05 DK DK438689A patent/DK438689D0/da unknown
1990
- 1990-09-04 NZ NZ235165A patent/NZ235165A/xx unknown
- 1990-09-04 EP EP90610055A patent/EP0419396A1/en not_active Withdrawn
- 1990-09-04 CA CA002024575A patent/CA2024575A1/en not_active Abandoned
- 1990-09-05 JP JP2233456A patent/JPH03114518A/ja active Pending
- 1990-09-05 BR BR909004424A patent/BR9004424A/pt not_active Application Discontinuation

Also Published As

Publication number	Publication date
CA2024575A1 (en)	1991-03-06
NZ235165A (en)	1993-03-26
JPH03114518A (ja)	1991-05-15
EP0419396A1 (en)	1991-03-27
DK438689D0 (da)	1989-09-05

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Legal Events

Date	Code	Title	Description
1996-11-12	FD3	Appl. lapsed due to non-payment of renewal fee