DE69105707D1 - Kontinuierliches Verfahren zur Herstellung von Isocyanaten. - Google Patents

Kontinuierliches Verfahren zur Herstellung von Isocyanaten.

Info

Publication number: DE69105707D1
Authority: DE; Germany
Prior art keywords: isocyanates; production; continuous process; continuous
Prior art date: 1990-12-21
Legal status (The legal status 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 status listed.): Expired - Lifetime

Application number

DE69105707T

Other languages

English (en)

Other versions

DE69105707T2 (de

Inventor

Franco Dr Mizia

Carlo Dr Calderoni

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Dow Chemical Co

Original Assignee

Enichem Sintesi SpA

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.)

1990-12-21

Filing date

1991-12-20

Publication date

1995-01-19

1991-12-20 Application filed by Enichem Sintesi SpA filed Critical Enichem Sintesi SpA

1995-01-19 Application granted granted Critical

1995-01-19 Publication of DE69105707D1 publication Critical patent/DE69105707D1/de

1995-10-19 Publication of DE69105707T2 publication Critical patent/DE69105707T2/de

2011-12-21 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C263/00—Preparation of derivatives of isocyanic acid
- C07C263/04—Preparation of derivatives of isocyanic acid from or via carbamates or carbamoyl halides
- 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)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

DE69105707T 1990-12-21 1991-12-20 Kontinuierliches Verfahren zur Herstellung von Isocyanaten. Expired - Lifetime DE69105707T2 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
IT02247590A IT1244476B (it)	1990-12-21	1990-12-21	Procedimento continuo per la preparazione di isociamati

Publications (2)

Publication Number	Publication Date
DE69105707D1 true DE69105707D1 (de)	1995-01-19
DE69105707T2 DE69105707T2 (de)	1995-10-19

Family

ID=11196779

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE69105707T Expired - Lifetime DE69105707T2 (de)	1990-12-21	1991-12-20	Kontinuierliches Verfahren zur Herstellung von Isocyanaten.

Country Status (6)

Country	Link
US (1)	US5210284A (de)
EP (1)	EP0492556B1 (de)
JP (1)	JP3091544B2 (de)
DE (1)	DE69105707T2 (de)
ES (1)	ES2065603T3 (de)
IT (1)	IT1244476B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4213099A1 (de) *	1992-04-21	1993-10-28	Basf Ag	Mehrstufiges Verfahren zur kontinuierlichen Herstellung von organischen Polyisocyanaten
DE19907648A1 (de) *	1999-02-23	2000-08-24	Basf Ag	Verfahren zur Herstellung von Isocyanaten durch Spaltung von Urethanen
FR2796068B1 (fr) *	1999-07-05	2001-09-07	Rhodia Chimie Sa	Procede de deshydrogenofluoration d'un fluorure de carbamoyle aromatique
CN101223127B (zh) *	2005-07-12	2012-09-05	株式会社神户制钢所	用于分解和回收异氰酸酯化合物的方法和设备

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3962302A (en) *	1974-03-08	1976-06-08	Atlantic Richfield Company	Production of isocyanates from esters of carbamic acids (urethanes)
DE3215591A1 (de) *	1982-04-27	1983-10-27	Bayer Ag, 5090 Leverkusen	Verfahren zur kontinuierlichen thermischen spaltung von carbamidsaeureestern
DE3915183A1 (de) *	1989-05-10	1990-11-15	Bayer Ag	Verfahren zur herstellung von polyisocyanaten

1990
- 1990-12-21 IT IT02247590A patent/IT1244476B/it active IP Right Grant
1991
- 1991-12-19 US US07/810,143 patent/US5210284A/en not_active Expired - Lifetime
- 1991-12-20 JP JP03338131A patent/JP3091544B2/ja not_active Expired - Fee Related
- 1991-12-20 ES ES91122033T patent/ES2065603T3/es not_active Expired - Lifetime
- 1991-12-20 EP EP91122033A patent/EP0492556B1/de not_active Expired - Lifetime
- 1991-12-20 DE DE69105707T patent/DE69105707T2/de not_active Expired - Lifetime

Also Published As

Publication number	Publication date
ES2065603T3 (es)	1995-02-16
JPH04275269A (ja)	1992-09-30
IT9022475A1 (it)	1992-06-22
DE69105707T2 (de)	1995-10-19
JP3091544B2 (ja)	2000-09-25
EP0492556B1 (de)	1994-12-07
EP0492556A1 (de)	1992-07-01
IT9022475A0 (it)	1990-12-21
IT1244476B (it)	1994-07-15
US5210284A (en)	1993-05-11

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Legal Events

Date	Code	Title	Description
1995-06-01	8332	No legal effect for de
1995-08-17	8370	Indication related to discontinuation of the patent is to be deleted
1995-11-23	8328	Change in the person/name/address of the agent	Free format text: BARZ, P., DIPL.-CHEM. DR.RER.NAT., PAT.-ANW., 80803 MUENCHEN
1996-01-11	8364	No opposition during term of opposition
2005-03-31	8327	Change in the person/name/address of the patent owner	Owner name: THE DOW CHEMICAL CO. (N.D.GES.D. STAATES DELAWARE)