The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 22, 2002
Filed:
Nov. 20, 2000
Applicant:
Inventors:
Raghunath Vitthal Chaudhari, Pune, IN;
Chandrashekhar Vasant Rode, Pune, IN;
Rengaswamy Jaganathan, Pune, IN;
Manisha Madhukar Telkar, Pune, IN;
Vilas Hari Rane, Pune, IN;
Assignee:
Council of Scientific and Industrial Research, New Delhi, IN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 2/700 ; C07C 2/900 ; C07C 3/118 ; C07C 3/300 ;
U.S. Cl.
CPC ...
C07C 2/700 ; C07C 2/900 ; C07C 3/118 ; C07C 3/300 ;
Abstract
The present invention relates to a process for the conversion of 1,4 butynediol to 1,4 butanediol or a mixture of 1,4 butanediol and 1,4 butenediol comprising hydrogenating an aqueous solution of 1,4 butynediol using platinum supported CaCO catalyst at a temperature in the range of 20-190° C. under a hydrogen pressure in the range between 5-100 bar and collecting the product by any known method.