NL7806705A - PROCEDURE FOR THE WINNING OF MALEIC ANHYDRIDE BY CONDENSATION. - Google Patents

PROCEDURE FOR THE WINNING OF MALEIC ANHYDRIDE BY CONDENSATION.

Info

Publication number: NL7806705A
Authority: NL; Netherlands
Prior art keywords: winning; condensation; procedure; maleic anhydride; maleic
Prior art date: 1977-06-24

Application number

NL7806705A

Other languages

Dutch (nl)

Original Assignee

Chevron Res

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.)

1977-06-24

Filing date

1978-06-21

Publication date

1978-12-28

1978-06-21 Application filed by Chevron Res filed Critical Chevron Res

1978-12-28 Publication of NL7806705A publication Critical patent/NL7806705A/en

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/54—Preparation of carboxylic acid anhydrides
- C07C51/573—Separation; Purification; Stabilisation; Use of additives

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Engineering & Computer Science (AREA)
Oil, Petroleum & Natural Gas (AREA)
Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Furan Compounds (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

NL7806705A 1977-06-24 1978-06-21 PROCEDURE FOR THE WINNING OF MALEIC ANHYDRIDE BY CONDENSATION. NL7806705A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US80973477A	1977-06-24	1977-06-24

Publications (1)

Publication Number	Publication Date
NL7806705A true NL7806705A (en)	1978-12-28

Family

ID=25202106

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL7806705A NL7806705A (en)	1977-06-24	1978-06-21	PROCEDURE FOR THE WINNING OF MALEIC ANHYDRIDE BY CONDENSATION.

Country Status (8)

Country	Link
JP (1)	JPS5412318A (en)
BE (1)	BE868363A (en)
CA (1)	CA1091678A (en)
DE (1)	DE2826919A1 (en)
FR (1)	FR2395265A1 (en)
GB (1)	GB1593610A (en)
IT (1)	IT1096763B (en)
NL (1)	NL7806705A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0029317B1 (en) *	1979-11-20	1986-03-19	Imperial Chemical Industries Plc	Production of maleic anhydride
US5972174A (en) *	1998-01-13	1999-10-26	Huntsman Petrochemical Corporation	Process for the purification of maleic anhydride
JP2005035959A (en) *	2003-07-18	2005-02-10	Nippon Shokubai Co Ltd	Method for producing maleic anhydride

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2211160A (en) *	1937-02-05	1940-08-13	Nat Aniline & Chem Co Inc	Process of recovering maleic anhydride
US2215070A (en) *	1938-05-11	1940-09-17	Hercules Powder Co Ltd	Method for the production of maleic anhydride
FR1140176A (en) *	1955-01-13	1957-07-16	Basf Ag	Process for producing maleic anhydride
FR1151540A (en) *	1955-04-20	1958-01-31	Montedison Spa	Process for separating pure crystalline maleic anhydride directly from gas and water vapor mixtures which contain it
US2951555A (en) *	1958-07-11	1960-09-06	Monsanto Chemicals	Recovery of maleic anhydride
DE1084239B (en) *	1959-02-11	1960-06-30	Gea Luftkuehler Ges M B H	Method and device for the continuous separation of sublimation products from hot carrier gases
GB969283A (en) *	1961-07-03	1964-09-09	Halcon International Inc	Recovery of maleic anhydride
LU40406A1 (en) *	1961-07-17	1961-09-18
FR1303126A (en) *	1961-07-27	1962-09-07	Saint Gobain	Process for the separation of maleic anhydride from gas mixtures
FR1338255A (en) *	1962-11-08	1963-09-20	Harpener Bergbau Ag	Improvements in processes for obtaining maleic anhydride
CH533591A (en) *	1970-08-25	1973-02-15	Prolizenz Ag	Process for the production of maleic anhydride

1978
- 1978-05-26 GB GB23605/78A patent/GB1593610A/en not_active Expired
- 1978-05-26 CA CA304,164A patent/CA1091678A/en not_active Expired
- 1978-06-16 FR FR7818152A patent/FR2395265A1/en active Granted
- 1978-06-20 DE DE19782826919 patent/DE2826919A1/en active Granted
- 1978-06-21 NL NL7806705A patent/NL7806705A/en not_active Application Discontinuation
- 1978-06-22 BE BE188773A patent/BE868363A/en not_active IP Right Cessation
- 1978-06-22 IT IT24854/78A patent/IT1096763B/en active
- 1978-06-23 JP JP7633178A patent/JPS5412318A/en active Granted

Also Published As

Publication number	Publication date
FR2395265A1 (en)	1979-01-19
CA1091678A (en)	1980-12-16
IT1096763B (en)	1985-08-26
BE868363A (en)	1978-10-16
JPS5412318A (en)	1979-01-30
DE2826919A1 (en)	1979-01-18
FR2395265B1 (en)	1983-06-03
JPS5747194B2 (en)	1982-10-07
IT7824854A0 (en)	1978-06-22
GB1593610A (en)	1981-07-22
DE2826919C2 (en)	1987-05-21

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Legal Events

Date	Code	Title	Description
1985-01-01	A85	Still pending on 85-01-01
1985-06-03	BA	A request for search or an international-type search has been filed
1985-08-01	BB	A search report has been drawn up
1985-11-01	BC	A request for examination has been filed
1991-05-16	DNT	Communications of changes of names of applicants whose applications have been laid open to public inspection	Free format text: CHEVRON RESEARCH AND TECHNOLOGY COMPANY
1997-03-03	BV	The patent application has lapsed