AT309393B - Process for the preparation of pure 2,2-dimethylpropanediol- (1,3) - Google Patents

Process for the preparation of pure 2,2-dimethylpropanediol- (1,3)

Info

Publication number: AT309393B
Authority: AT; Austria
Prior art keywords: dimethylpropanediol; pure; preparation
Prior art date: 1970-09-16

Application number

AT641971A

Other languages

German (de)

Original Assignee

Ruhrchemie Ag

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.)

1970-09-16

Filing date

1971-07-23

Publication date

1973-08-10

1971-07-23 Application filed by Ruhrchemie Ag filed Critical Ruhrchemie Ag

1973-08-10 Application granted granted Critical

1973-08-10 Publication of AT309393B publication Critical patent/AT309393B/en

Links

AT641971A 1970-09-16 1971-07-23 Process for the preparation of pure 2,2-dimethylpropanediol- (1,3) AT309393B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19702045668 DE2045668C3 (en)	1970-09-16	1970-09-16	Process for obtaining pure 2,2-dimethylpropanediol- (1,3)

Publications (1)

Publication Number	Publication Date
AT309393B true AT309393B (en)	1973-08-10

Family

ID=5782518

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT641971A AT309393B (en)	1970-09-16	1971-07-23	Process for the preparation of pure 2,2-dimethylpropanediol- (1,3)

Country Status (3)

Country	Link
AT (1)	AT309393B (en)
DE (1)	DE2045668C3 (en)
FR (1)	FR2107704A5 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3638496A1 (en) *	1986-11-11	1988-05-26	Huels Chemische Werke Ag	METHOD FOR OBTAINING PURE 2,2-DIMETHYL-1,3-PROPANDIOL (NPG)
DE3942792A1 (en) *	1989-12-23	1991-06-27	Hoechst Ag	PROCESS FOR PREPARING 2,2-DIMETHYLPROPANDIOL- (1,3)

1970
- 1970-09-16 DE DE19702045668 patent/DE2045668C3/en not_active Expired
1971
- 1971-07-23 AT AT641971A patent/AT309393B/en not_active IP Right Cessation
- 1971-09-15 FR FR7133248A patent/FR2107704A5/en not_active Expired

Also Published As

Publication number	Publication date
DE2045668A1 (en)	1972-03-23
DE2045668C3 (en)	1980-09-04
DE2045668B2 (en)	1980-01-03
FR2107704A5 (en)	1972-05-05

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Legal Events

Date	Code	Title	Description
1983-09-15	ELJ	Ceased due to non-payment of the annual fee