AR219047A1 - Procedimiento para la recuperacion de solventes de un medio de reaccion usado en la obtencion de isocianatos - Google Patents

Procedimiento para la recuperacion de solventes de un medio de reaccion usado en la obtencion de isocianatos

Info

Publication number: AR219047A1
Authority: AR; Argentina
Prior art keywords: solvents; recovery; procedure; media used; reaction media
Prior art date: 1974-07-05

Application number

AR259479A

Other languages

English (en)

Spanish (es)

Original Assignee

Atlantic Richfield Co

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.)

1974-07-05

Filing date

1975-07-04

Publication date

1980-07-31

1975-07-04 Application filed by Atlantic Richfield Co filed Critical Atlantic Richfield Co

1980-07-31 Application granted granted Critical

1980-07-31 Publication of AR219047A1 publication Critical patent/AR219047A1/es

Links

239000012948 isocyanate Substances 0.000 title 1
150000002513 isocyanates Chemical class 0.000 title 1
238000000034 method Methods 0.000 title 1
239000012429 reaction media Substances 0.000 title 1
238000011084 recovery Methods 0.000 title 1
239000002904 solvent Substances 0.000 title 1

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

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

AR259479A 1974-07-05 1975-07-04 Procedimiento para la recuperacion de solventes de un medio de reaccion usado en la obtencion de isocianatos AR219047A1 (es)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US486034A US3919280A (en)	1974-07-05	1974-07-05	Recovery of solvents employed in the production of isocyanates from esters of carbamic acids

Publications (1)

Publication Number	Publication Date
AR219047A1 true AR219047A1 (es)	1980-07-31

Family

ID=23930350

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AR259479A AR219047A1 (es)	1974-07-05	1975-07-04	Procedimiento para la recuperacion de solventes de un medio de reaccion usado en la obtencion de isocianatos

Country Status (15)

Country	Link
US (1)	US3919280A (fr)
JP (1)	JPS584016B2 (fr)
AR (1)	AR219047A1 (fr)
BE (1)	BE830695A (fr)
BR (1)	BR7504240A (fr)
CA (1)	CA1048523A (fr)
DE (1)	DE2530001B2 (fr)
ES (1)	ES439170A1 (fr)
FR (1)	FR2277075A1 (fr)
GB (1)	GB1503688A (fr)
IN (1)	IN140975B (fr)
IT (1)	IT1039698B (fr)
MX (1)	MX143504A (fr)
NL (1)	NL7507297A (fr)
ZA (1)	ZA753911B (fr)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2512514C2 (de) *	1975-03-21	1982-12-30	Basf Ag, 6700 Ludwigshafen	Verfahren zur Herstellung von aliphatischen Isocyanaten
DE2756928A1 (de) *	1977-12-21	1979-07-05	Bayer Ag	Verfahren zur kontinuierlichen herstellung von monoisocyanaten
DE2942543A1 (de) *	1979-10-20	1981-05-07	Basf Ag, 6700 Ludwigshafen	Verfahren zur herstellung von arylisocyanaten durch thermische spaltung von arylurethanen
JPS5679658A (en) *	1979-12-05	1981-06-30	Mitsui Toatsu Chem Inc	Novel polyisocyanate composition
US4268683A (en) *	1980-02-21	1981-05-19	The Dow Chemical Company	Preparation of carbamates from aromatic amines and organic carbonates
US4268684A (en) *	1980-02-25	1981-05-19	The Dow Chemical Company	Preparation of carbamates from aromatic amines and organic carbonates
DE3035146A1 (de) *	1980-09-18	1982-04-22	Bayer Ag, 5090 Leverkusen	Verfahren zur herstellung von n- und o-substituierten mono- oder bis-urethanen, sowie deren verwendung als ausgangsmaterial zur herstellung von aliphatischen isocyanaten
DE3035354A1 (de) *	1980-09-19	1982-04-29	Bayer Ag, 5090 Leverkusen	Verfahren zur herstellung von n,o-disubstituierten urethanen und ihre verwendung als ausgangsmaterial zur herstellung von organischen isocyanaten
DE3047898A1 (de) *	1980-12-19	1982-07-15	Bayer Ag, 5090 Leverkusen	Verfahren zur kontinuierlichen thermischen spaltung von carbamidsaeureestern und die verwendung von hierbei anfallenden isocyanate und carbamidsaeureester aufweisenden gemischen zur herstellung von isocyanaten
US4487713A (en) *	1981-06-26	1984-12-11	Exxon Research & Engineering Co.	Production of isocyanates from esters of aromatic carbamic acids (urethanes)
DE3146230A1 (de) *	1981-11-21	1983-05-26	Bayer Ag, 5090 Leverkusen	Verfahren zur herstellung von n-substituierten n-isocyanatocarbonyl-carbamaten
DE3215591A1 (de) *	1982-04-27	1983-10-27	Bayer Ag, 5090 Leverkusen	Verfahren zur kontinuierlichen thermischen spaltung von carbamidsaeureestern
US4888442A (en) *	1982-09-30	1989-12-19	Mobay Corporation	Reduction of free monomer in isocyanate adducts
US4633010A (en) *	1982-12-27	1986-12-30	American Cyanamid Company	Tertiary aralkyl triurethane
JP2542903B2 (ja) *	1988-04-22	1996-10-09	富士写真フイルム株式会社	現像液組成物
DE3915181A1 (de) *	1989-05-10	1990-11-15	Bayer Ag	Verfahren zur herstellung von polyisocyanaten
DE3915183A1 (de) *	1989-05-10	1990-11-15	Bayer Ag	Verfahren zur herstellung von polyisocyanaten
DE4137428A1 (de) *	1991-11-14	1993-05-19	Bayer Ag	Verfahren zur herstellung von polyisocyanaten
US5233010A (en) *	1992-10-15	1993-08-03	Monsanto Company	Process for preparing isocyanate and carbamate ester products
EP0680994A1 (fr) *	1994-05-02	1995-11-08	Nippon Paint Co., Ltd.	Composition à nouveau réticulable et procédé pour le recyclage utilisant celle-ci
DE102004024274A1 (de) *	2004-05-15	2005-12-01	Basf Ag	Verfahren zur Herstellung einer Lösung von reinem Triethylendiamin (TEDA)
CN116271907B (zh) *	2023-03-20	2025-12-30	中国天辰工程有限公司	一种六亚甲基二异氰酸酯绿色制备的方法和系统

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2409712A (en) *	1944-02-03	1946-10-22	Du Pont	Chemical process and products

1974
- 1974-07-05 US US486034A patent/US3919280A/en not_active Expired - Lifetime
1975
- 1975-05-16 CA CA75227192A patent/CA1048523A/fr not_active Expired
- 1975-05-23 GB GB22880/75A patent/GB1503688A/en not_active Expired
- 1975-06-18 ZA ZA00753911A patent/ZA753911B/xx unknown
- 1975-06-19 NL NL7507297A patent/NL7507297A/xx unknown
- 1975-06-19 IN IN1220/CAL/75A patent/IN140975B/en unknown
- 1975-06-26 BE BE157730A patent/BE830695A/fr unknown
- 1975-07-03 JP JP50082335A patent/JPS584016B2/ja not_active Expired
- 1975-07-03 IT IT25050/75A patent/IT1039698B/it active
- 1975-07-03 FR FR7520895A patent/FR2277075A1/fr active Granted
- 1975-07-04 ES ES439170A patent/ES439170A1/es not_active Expired
- 1975-07-04 MX MX159432A patent/MX143504A/es unknown
- 1975-07-04 BR BR5430/75D patent/BR7504240A/pt unknown
- 1975-07-04 DE DE19752530001 patent/DE2530001B2/de not_active Ceased
- 1975-07-04 AR AR259479A patent/AR219047A1/es active

Also Published As

Publication number	Publication date
AU8171375A (en)	1976-12-02
BR7504240A (pt)	1976-07-06
IN140975B (fr)	1977-01-08
IT1039698B (it)	1979-12-10
NL7507297A (nl)	1976-01-07
ES439170A1 (es)	1977-05-16
DE2530001B2 (de)	1978-01-19
DE2530001A1 (de)	1976-01-15
BE830695A (fr)	1975-10-16
JPS5129445A (en)	1976-03-12
ZA753911B (en)	1976-05-26
GB1503688A (en)	1978-03-15
JPS584016B2 (ja)	1983-01-24
CA1048523A (fr)	1979-02-13
FR2277075A1 (fr)	1976-01-30
FR2277075B1 (fr)	1978-09-01
US3919280A (en)	1975-11-11
MX143504A (es)	1981-05-21

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