SG134261A1 - A process for the production of light-colored isocyanates - Google Patents

A process for the production of light-colored isocyanates

Info

Publication number
SG134261A1
SG134261A1 SG200700267-8A SG2007002678A SG134261A1 SG 134261 A1 SG134261 A1 SG 134261A1 SG 2007002678 A SG2007002678 A SG 2007002678A SG 134261 A1 SG134261 A1 SG 134261A1
Authority
SG
Singapore
Prior art keywords
production
light
colored isocyanates
isocyanates
colored
Prior art date
Application number
SG200700267-8A
Other languages
English (en)
Inventor
Stefan Wershofen
Torsten Hagen
Christian Steffens
Jeffrey Bolton
Original Assignee
Bayer Materialscience Ag
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=38042933&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=SG134261(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Bayer Materialscience Ag filed Critical Bayer Materialscience Ag
Publication of SG134261A1 publication Critical patent/SG134261A1/en

Links

Classifications

    • 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
    • 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
    • C07C2601/00—Systems containing only non-condensed rings
    • C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
    • C07C2601/14—The ring being saturated

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyurethanes Or Polyureas (AREA)
SG200700267-8A 2006-01-17 2007-01-15 A process for the production of light-colored isocyanates SG134261A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006002157A DE102006002157A1 (de) 2006-01-17 2006-01-17 Verfahren zur Herstellung heller Isocyanate

Publications (1)

Publication Number Publication Date
SG134261A1 true SG134261A1 (en) 2007-08-29

Family

ID=38042933

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200700267-8A SG134261A1 (en) 2006-01-17 2007-01-15 A process for the production of light-colored isocyanates

Country Status (13)

Country Link
US (1) US7368595B2 (pt)
EP (1) EP1808430B1 (pt)
JP (1) JP2007191479A (pt)
KR (1) KR101365783B1 (pt)
CN (1) CN101003495B (pt)
AT (1) ATE483682T1 (pt)
BR (1) BRPI0700046A (pt)
DE (2) DE102006002157A1 (pt)
ES (1) ES2353421T3 (pt)
PL (1) PL1808430T3 (pt)
PT (1) PT1808430E (pt)
SG (1) SG134261A1 (pt)
TW (1) TW200738597A (pt)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8853443B2 (en) * 2008-11-19 2014-10-07 Basf Se Process for preparing an isocyanate
RU2487116C2 (ru) * 2008-11-26 2013-07-10 Хантсмэн Интернэшнл Ллс Способ производства изоцианатов
WO2011006807A2 (en) * 2009-07-14 2011-01-20 Basf Se Process for preparing light-coloured isocyanates of the diphenylmethane series
HUE027504T2 (en) 2011-10-21 2016-10-28 Covestro Deutschland Ag Process for the preparation of light-colored polyisocyanates
EP2896597A1 (de) 2014-01-21 2015-07-22 Bayer MaterialScience AG Verfahren zum An- und Abfahren eines Phosgengenerators
CN103922969B (zh) * 2014-04-10 2016-01-20 万华化学集团股份有限公司 一种制备颜色稳定的1,6-己二异氰酸酯的方法
CN106554293B (zh) * 2015-09-24 2018-04-20 万华化学集团股份有限公司 一种制备无色或浅色多异氰酸酯的方法
CN109761855B (zh) 2018-12-20 2020-07-28 万华化学集团股份有限公司 一种制备异佛尔酮二异氰酸酯的方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4465639A (en) * 1983-01-26 1984-08-14 The Upjohn Company Process for polyisocyanates
DE3329124A1 (de) * 1983-08-11 1985-02-28 Bayer Ag, 5090 Leverkusen Verfahren zur reinigung von polyisocyanaten und die so gereinigten polyisocyanate
DE4006976A1 (de) * 1990-03-06 1991-09-12 Basf Ag Verfahren zur herstellung von mischungen aus diphenylmethan-diisocyanaten und polyphenyl-polymethylen-polyisocyanaten mit einer verminderten iodfarbzahl
DE4008074A1 (de) 1990-03-14 1991-09-19 Basf Ag Verfahren zur qualitaetsverbesserung von rohen diaminodiphenylmethanen
DE4021712A1 (de) * 1990-07-07 1992-01-09 Basf Ag Verfahren zur herstellung von mischungen aus diphenylmethan-diisocyanaten und polyphenol-polymethylen-polyisocyanaten mit einer verminderten iodfarbzahl
DE69107212T2 (de) 1991-10-19 1995-05-24 Basf Corp Verfahren zur Herstellung von polymerischen Methylen-dyphenylen-diisocyanaten mit verminderter Farbe und Chloridgehalt.
US5386059A (en) * 1991-12-10 1995-01-31 Miles Inc. Process for preparing polyamines for lighter color polyisocyanate based foam
DE4208359A1 (de) * 1992-03-16 1993-09-23 Bayer Ag Verfahren zur herstellung von isocyanaten oder isocyanatgemischen und deren verwendung zur herstellung von polyurethanschaumstoffen
KR970001071B1 (ko) * 1992-06-23 1997-01-25 미쓰이도오아쓰가가꾸 가부시끼가이샤 메틸렌 가교 폴리페닐렌 폴리이소시아네이트의 제조방법
US5312971A (en) * 1992-07-23 1994-05-17 Miles Inc. Color reduction of polymethylene polyphenyl polyisocyanates
DE19817691A1 (de) * 1998-04-21 1999-10-28 Basf Ag Verfahren zur Herstellung von Mischungen aus Diphenylmehandiisocyanaten und Polyphenylen-polymethylen-polyisocyanaten mit vermindertem Gehalt an chlorierten Nebenprodukten und verminderter Jodfarbzahl
JP2000230046A (ja) 1999-02-15 2000-08-22 Teijin Chem Ltd ポリカーボネート樹脂及びその製造方法
DE19928741A1 (de) * 1999-06-23 2000-12-28 Basf Ag Helle Isocyanate, Verfahren zu deren Herstellung und deren Verwendung
DE10301434A1 (de) * 2003-01-16 2004-07-29 Bayer Ag Verfahren zur CO-Gas-Entschwefelung
US7250530B2 (en) 2003-07-30 2007-07-31 General Electric Company Processes and systems for making phosgene
JP4785515B2 (ja) * 2005-12-08 2011-10-05 住友化学株式会社 塩素の製造方法

Also Published As

Publication number Publication date
ATE483682T1 (de) 2010-10-15
KR20070076510A (ko) 2007-07-24
TW200738597A (en) 2007-10-16
BRPI0700046A (pt) 2007-11-06
PL1808430T3 (pl) 2011-04-29
CN101003495A (zh) 2007-07-25
US20070167646A1 (en) 2007-07-19
EP1808430B1 (de) 2010-10-06
DE102006002157A1 (de) 2007-07-19
CN101003495B (zh) 2012-01-11
DE502007005238D1 (de) 2010-11-18
US7368595B2 (en) 2008-05-06
ES2353421T3 (es) 2011-03-02
KR101365783B1 (ko) 2014-02-20
PT1808430E (pt) 2010-12-29
EP1808430A1 (de) 2007-07-18
JP2007191479A (ja) 2007-08-02

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