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HUP0700818A2 - Process for the preparation of polyirocyanates of the diphenylmethane series - Google Patents

Process for the preparation of polyirocyanates of the diphenylmethane series

Info

Publication number
HUP0700818A2
HUP0700818A2 HU0700818A HUP0700818A HUP0700818A2 HU P0700818 A2 HUP0700818 A2 HU P0700818A2 HU 0700818 A HU0700818 A HU 0700818A HU P0700818 A HUP0700818 A HU P0700818A HU P0700818 A2 HUP0700818 A2 HU P0700818A2
Authority
HU
Hungary
Prior art keywords
polyirocyanates
preparation
diphenylmethane series
diphenylmethane
series
Prior art date
Application number
HU0700818A
Other languages
Hungarian (hu)
Inventor
Vilaboy Jose Trujillo
Diczhazi Szilvia Szilagyine
Zoltan Dr Kozar
Jozsef Reti
Tibor Klement
Tamas Purzsa
Original Assignee
Borsodchem Nyrt
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 Borsodchem Nyrt filed Critical Borsodchem Nyrt
Priority to HU0700818A priority Critical patent/HU227245B1/en
Publication of HU0700818D0 publication Critical patent/HU0700818D0/en
Priority to PCT/HU2008/000045 priority patent/WO2009077795A1/en
Publication of HUP0700818A2 publication Critical patent/HUP0700818A2/en
Publication of HU227245B1 publication Critical patent/HU227245B1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00—Preparation of derivatives of isocyanic acid
    • C07C263/10—Preparation of derivatives of isocyanic acid by reaction of amines with carbonyl halides, e.g. with phosgene
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00—Preparation of derivatives of isocyanic acid
    • C07C263/18—Separation; Purification; Stabilisation; Use of additives
    • C07C263/20—Separation; Purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
HU0700818A 2007-12-17 2007-12-17 Process for the preparation of polyirocyanates of the diphenylmethane series HU227245B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
HU0700818A HU227245B1 (en) 2007-12-17 2007-12-17 Process for the preparation of polyirocyanates of the diphenylmethane series
PCT/HU2008/000045 WO2009077795A1 (en) 2007-12-17 2008-05-14 Process for the preparation of polyisocyanates of the diphenylmethane series

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU0700818A HU227245B1 (en) 2007-12-17 2007-12-17 Process for the preparation of polyirocyanates of the diphenylmethane series

Publications (3)

Publication Number Publication Date
HU0700818D0 HU0700818D0 (en) 2008-02-28
HUP0700818A2 true HUP0700818A2 (en) 2009-10-28
HU227245B1 HU227245B1 (en) 2010-12-28

Family

ID=89987947

Family Applications (1)

Application Number Title Priority Date Filing Date
HU0700818A HU227245B1 (en) 2007-12-17 2007-12-17 Process for the preparation of polyirocyanates of the diphenylmethane series

Country Status (2)

Country Link
HU (1) HU227245B1 (en)
WO (1) WO2009077795A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010019342A1 (en) 2010-05-05 2011-11-10 Bayer Materialscience Ag Process for the preparation of isocyanates in the gas phase
FR3049950B1 (en) * 2016-04-07 2020-09-25 Vencorex France PROCESS FOR PREPARING XYLYLENE DIISOCYANATES XDI
US20190241507A1 (en) * 2016-05-10 2019-08-08 Huntsman International Llc A Process for Manufacturing Isocyanates and/or Polycarbonates
WO2021042251A1 (en) * 2019-09-02 2021-03-11 万华化学集团股份有限公司 Method for preparation of polyisocyanate by photochemical reaction and method for preparing waterborne polyurethane resin
EP4077274B1 (en) * 2019-12-18 2024-08-07 Covestro Deutschland AG Method for the preparation of di- and polyisocyanates of the diphenyl methane series
CN117362198B (en) * 2023-10-12 2026-01-27 万华化学集团股份有限公司 Method for preparing low-chlorine impurity isocyanate
WO2025076776A1 (en) * 2023-10-12 2025-04-17 万华化学集团股份有限公司 Method for preparing isocyanate having low chlorinated impurities
CN117658863A (en) * 2023-12-07 2024-03-08 万华化学集团股份有限公司 A method for preparing isocyanate monomer by phosgenation method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR970001071B1 (en) * 1992-06-23 1997-01-25 미쓰이도오아쓰가가꾸 가부시끼가이샤 Process for the production of methylene-crosslinked polyphenylene polyisocyanate
JP3037057B2 (en) * 1994-02-23 2000-04-24 三井化学株式会社 Method for producing methylene-crosslinked polyphenylene polyisocyanate
JP3037065B2 (en) * 1994-05-26 2000-04-24 三井化学株式会社 Method for producing methylene-crosslinked polyphenylene polyisocyanate
DE19817691A1 (en) * 1998-04-21 1999-10-28 Basf Ag Production of diphenylmethanediisocyanate and polyphenylene-polymethylene-polyisocynate mixtures
HU227148B1 (en) * 2003-01-27 2010-08-30 Borsodchem Zrt Process for diminution of acid content of polymethilene-poliphenyl-polyisocyanate mixture

Also Published As

Publication number Publication date
WO2009077795A1 (en) 2009-06-25
HU227245B1 (en) 2010-12-28
HU0700818D0 (en) 2008-02-28

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Legal Events

Date Code Title Description
HC9A Change of name, address

Owner name: BORSODCHEM ZRT., HU

Free format text: FORMER OWNER(S): BORSODCHEM NYRT., HU

GB9A Succession in title

Owner name: BORSODCHEM MDI TERMELOE KORLATOLT FELELOESSEGU, HU

Free format text: FORMER OWNER(S): BORSODCHEM NYRT., HU; BORSODCHEM ZRT., HU

MM4A Lapse of definitive patent protection due to non-payment of fees