BRPI0700046A - processo para a produção de isocianatos claros - Google Patents

processo para a produção de isocianatos claros

Info

Publication number
BRPI0700046A
BRPI0700046A BRPI0700046-4A BRPI0700046A BRPI0700046A BR PI0700046 A BRPI0700046 A BR PI0700046A BR PI0700046 A BRPI0700046 A BR PI0700046A BR PI0700046 A BRPI0700046 A BR PI0700046A
Authority
BR
Brazil
Prior art keywords
isocyanates
clear
production
phosgene
elementary
Prior art date
Application number
BRPI0700046-4A
Other languages
English (en)
Inventor
Stefan Wershofen
Christian Steffens
Jeffrey Bolton
Torsten Hagen
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=BRPI0700046(A) "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 BRPI0700046A publication Critical patent/BRPI0700046A/pt

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

Abstract

PROCESSO PARA A PRODUçãO DE ISOCIANATOS CLAROS. A presente invenção refere-se a um processo para a produção de isocianatos através da reação de uma amina ou de uma mistura de duas ou mais aminas com fosgênio, caracterizado pelo fato de que o fosgênio utilizado contém menos do que 100 ppm de enxofre em forma elementar ou unida.
BRPI0700046-4A 2006-01-17 2007-01-16 processo para a produção de isocianatos claros BRPI0700046A (pt)

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
BRPI0700046A true BRPI0700046A (pt) 2007-11-06

Family

ID=38042933

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0700046-4A BRPI0700046A (pt) 2006-01-17 2007-01-16 processo para a produção de isocianatos claros

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
ES2400332T3 (es) * 2008-11-19 2013-04-09 Basf Se Método para la producción de un isocianato
WO2010060773A1 (en) * 2008-11-26 2010-06-03 Huntsman International Llc Process for manufacturing isocyanates
CN102471241B (zh) * 2009-07-14 2015-11-25 巴斯夫欧洲公司 制备二苯甲烷系列的浅色异氰酸酯的方法
CN103874680B (zh) * 2011-10-21 2016-07-06 拜耳知识产权有限责任公司 生产浅色多异氰酸酯的方法
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
EP0538500B1 (en) 1991-10-19 1995-02-01 Basf Corporation Process for the preparation of polymeric methylendiphenylene diisocyanate having reduced color and chloride content
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
US5364958A (en) 1992-06-23 1994-11-15 Mitsui Toatsu Chemicals, Incorporated Process for the production of methylene-crosslinked polyphenylene polyisocyanate
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
PL1808430T3 (pl) 2011-04-29
KR101365783B1 (ko) 2014-02-20
EP1808430A1 (de) 2007-07-18
EP1808430B1 (de) 2010-10-06
DE102006002157A1 (de) 2007-07-19
CN101003495B (zh) 2012-01-11
KR20070076510A (ko) 2007-07-24
SG134261A1 (en) 2007-08-29
US20070167646A1 (en) 2007-07-19
CN101003495A (zh) 2007-07-25
JP2007191479A (ja) 2007-08-02
TW200738597A (en) 2007-10-16
ATE483682T1 (de) 2010-10-15
DE502007005238D1 (de) 2010-11-18
US7368595B2 (en) 2008-05-06
ES2353421T3 (es) 2011-03-02
PT1808430E (pt) 2010-12-29

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 7A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2257 DE 08/04/2014.