NL129493C - - Google Patents

Info

Publication number: NL129493C
Authority: NL; Netherlands

Application number

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.)

1965-09-03

Publication of NL129493C publication Critical patent/NL129493C/xx

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

NL129493D 1965-09-03 NL129493C (xx)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US485115A US3361650A (en)	1965-09-03	1965-09-03	Phthalic anhydride treatment in the presence of hbr in an aluminum vessel

Publications (1)

Publication Number	Publication Date
NL129493C true NL129493C (xx)

Family

ID=23926964

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
NL129493D NL129493C (xx)	1965-09-03
NL6611780A NL6611780A (xx)	1965-09-03	1966-08-22

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
NL6611780A NL6611780A (xx)	1965-09-03	1966-08-22

Country Status (5)

Country	Link
US (1)	US3361650A (xx)
BE (1)	BE686254A (xx)
ES (1)	ES330043A1 (xx)
GB (1)	GB1081839A (xx)
NL (2)	NL6611780A (xx)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4213831A (en) *	1972-10-30	1980-07-22	The Dow Chemical Company	Aluminum container for processing vinylbenzyl chlorides

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2072053A (en) *		1937-02-23		Purification of naphthenic acids
US2067019A (en) *	1933-12-29	1937-01-05	Nat Aniline & Chem Co Inc	Phthalic anhydride recovery
US2091289A (en) *	1934-12-31	1937-08-31	Solvay Process Co	Purification of phthalic anhydride
US2283209A (en) *	1939-05-18	1942-05-19	Eastman Kodak Co	Apparatus for the manufacture of organic acid anhydrides
US2543971A (en) *	1947-04-24	1951-03-06	American Cyanamid Co	Apparatus and process for distillation of hcn
GB795999A (en) *	1955-07-07	1958-06-04	Dow Chemical Co	Removal of volatile ingredients from thermoplastic polymers
US2850440A (en) *	1955-09-07	1958-09-02	Pittsburgh Coke & Chemical Co	Purification of phthalic anhydride by distillation
US2954385A (en) *	1957-10-02	1960-09-27	Standard Oil Co	Production of maleic and phthalic anhydrides

0
- NL NL129493D patent/NL129493C/xx active
1965
- 1965-09-03 US US485115A patent/US3361650A/en not_active Expired - Lifetime
1966
- 1966-06-28 GB GB28938/66A patent/GB1081839A/en not_active Expired
- 1966-07-27 ES ES0330043A patent/ES330043A1/es not_active Expired
- 1966-08-22 NL NL6611780A patent/NL6611780A/xx unknown
- 1966-08-31 BE BE686254D patent/BE686254A/xx unknown

Also Published As

Publication number	Publication date
BE686254A (xx)	1967-02-28
ES330043A1 (es)	1967-09-16
NL6611780A (xx)	1967-03-06
US3361650A (en)	1968-01-02
GB1081839A (en)	1967-09-06

Publication	Publication Date	Title
JPS4310118Y1 (xx)	1968-05-02
JPS4417814Y1 (xx)	1969-08-01
JPS4742712Y1 (xx)	1972-12-23
JPS4531954Y1 (xx)	1970-12-07
BE674334A (xx)	1966-04-15
BE671155A (xx)	1966-02-14
BE671091A (xx)	1966-02-14
BE669981A (xx)	1966-01-17
BE669498A (xx)	1966-03-10
BE669446A (xx)	1965-12-31
SE324017B (xx)	1970-05-19
BE674558A (xx)	1966-06-30
BE669442A (xx)	1965-12-31
SE309751B (xx)	1969-03-31
NL6618240A (xx)	1967-07-03
NL6608838A (xx)	1966-12-27
BE669258A (xx)	1966-03-07
BE668848A (xx)	1965-12-16
BE667756A (xx)
BE667656A (xx)
BE667524A (xx)	1965-11-16
BE666367A (xx)	1965-11-03
BE665744A (xx)
BE665163A (xx)	1965-10-01
BE663986A (xx)	1965-09-16