BE787316A - Stabilisation de la couleur d'anhydrides d'acides dicarboxyliques - Google Patents

Stabilisation de la couleur d'anhydrides d'acides dicarboxyliques

Info

Publication number: BE787316A
Authority: BE; Belgium
Prior art keywords: dicarboxylic acid; acid anhydrides; color stabilization; stabilization; color
Prior art date: 1971-08-09

Application number

Other languages

English (en)

Inventor

R E Stenseth

Original Assignee

Monsanto 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.)

1971-08-09

Publication date

1973-02-08

1973-02-08 Publication of BE787316A publication Critical patent/BE787316A/fr

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)
Furan Compounds (AREA)

BE787316D 1971-08-09 Stabilisation de la couleur d'anhydrides d'acides dicarboxyliques BE787316A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US17035271A	1971-08-09	1971-08-09

Publications (1)

Publication Number	Publication Date
BE787316A true BE787316A (fr)	1973-02-08

Family

ID=22619543

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE787316D BE787316A (fr)	1971-08-09		Stabilisation de la couleur d'anhydrides d'acides dicarboxyliques

Country Status (8)

Country	Link
US (1)	US3775436A (fr)
JP (1)	JPS5117532B2 (fr)
BE (1)	BE787316A (fr)
CA (1)	CA971179A (fr)
DE (1)	DE2239054C3 (fr)
FR (1)	FR2148536B1 (fr)
GB (1)	GB1361525A (fr)
IT (1)	IT963823B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3975408A (en) *	1970-05-27	1976-08-17	Monsanto Company	Color stabilization of refined dicarboxylic acid anhydrides
US3985776A (en) *	1975-07-21	1976-10-12	Standard Oil Company (Indiana)	Stannous stabilization of maleic anhydride
US4159275A (en) *	1978-07-17	1979-06-26	United States Steel Corporation	Color of maleic anhydride
US4958034A (en) *	1989-11-13	1990-09-18	Ethyl Corporation	Alkenyl succinic anhydrides process

0
- BE BE787316D patent/BE787316A/fr not_active IP Right Cessation
1971
- 1971-08-09 US US00170352A patent/US3775436A/en not_active Expired - Lifetime
1972
- 1972-08-08 CA CA148,948A patent/CA971179A/en not_active Expired
- 1972-08-08 GB GB3695572A patent/GB1361525A/en not_active Expired
- 1972-08-08 JP JP47078840A patent/JPS5117532B2/ja not_active Expired
- 1972-08-08 FR FR7228576A patent/FR2148536B1/fr not_active Expired
- 1972-08-08 DE DE2239054A patent/DE2239054C3/de not_active Expired
- 1972-08-08 IT IT27994/72A patent/IT963823B/it active

Also Published As

Publication number	Publication date
DE2239054A1 (de)	1973-02-22
DE2239054C3 (de)	1981-02-05
GB1361525A (en)	1974-07-24
JPS4828405A (fr)	1973-04-14
US3775436A (en)	1973-11-27
FR2148536A1 (fr)	1973-03-23
DE2239054B2 (de)	1980-05-22
IT963823B (it)	1974-01-21
FR2148536B1 (fr)	1974-11-08
JPS5117532B2 (fr)	1976-06-03
AU4538272A (en)	1974-02-14
CA971179A (en)	1975-07-15

Similar Documents

Publication	Publication Date	Title
BE787771A (fr)	1973-02-19	Preparation d'acide glyoxylique
AR203626A1 (es)	1975-09-30	Sintesis de nuevos acidos heterociclico-indol-3-ii-acetic
EG11306A (en)	1977-02-28	Preparation of alkanic anhydrides and preparation of carboxylic acid anhydrides respectively
BE782366A (fr)	1972-10-20	Nouveaux derives de l'acide cephalosporanique
SE397973B (sv)	1977-11-28	Forfarande for framstellning av bensoylfenylsmorsyraderivat
SE405363B (sv)	1978-12-04	Forfarande for framstellning av adenosin-5'-karboxylsyraamider
IT966135B (it)	1974-02-11	Procedimento per la preparazione di poliesteri paraossibenzoilici termicamente stabili e infusibili
BE787316A (fr)	1973-02-08	Stabilisation de la couleur d'anhydrides d'acides dicarboxyliques
AT336897B (de)	1977-05-25	Stabilisierung von trans-polypentenamer
BE781305A (fr)	1972-09-27	Stabilisation de composes peroxydiques
BE785228A (fr)	1972-12-22	Dedoublement de l'acide dl-campho-10-sulfonique
BE767695A (fr)	1971-11-26	Stabilisation en couleur d'anhydrides d'acides dicarboxyliques purifie
BE784342A (fr)	1972-12-04	Derives d'acides carboxyliques perfluores
EG10872A (en)	1976-08-31	Derivatives of 6-cyclo prapyl triaminaadin used as insecticide
BE787457A (fr)	1973-02-12	Derives de l'acide chloro-2-ethanephosphonique
SE381037B (sv)	1975-11-24	Forfarande for stabilisering av fiberalster
BE779155A (fr)	1972-08-09	Preparation d'un aminophenyl-benzothiazole
BE776298A (fr)	1972-06-06	Stabilisation de la couleur de lactones
FR2100777A1 (fr)	1972-03-24	Nouveaux derives d'acide benzoique
JPS5775970A (en)	1982-05-12	Manufacture of exo-2-phenyl-bicyclo-(2,2,1)- heptane-2-(n-methyl-piperidol-4)-carboxylic acid ester and salt thereof
IL39481A (en)	1975-07-28	Derivatives of 9-oxo-13-trans-prostenoic acid
BE777967A (fr)	1972-07-13	Preparation d'ortho-chlorophenols
AU478300B2 (en)	1974-02-19	Color stabilization of dicarboxylic acid anthydrides
BE778853A (fr)	1972-08-02	Derives de l'acide thio-dipropionique
BE782098A (fr)	1972-07-31	Nouveaux derives d'aminophenylcetone

Legal Events

Date	Code	Title	Description
1992-01-01	RE20	Patent expired	Owner name: MONSANTO CY Effective date: 19920808

Date

Code

Title

Description

1992-01-01

RE20

Patent expired

Owner name: MONSANTO CY

Effective date: 19920808