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:
Nov. 12, 2002
Filed:
Feb. 26, 1999
Applicant:
Inventors:
Assignee:
Avecia Limited, Manchester, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 2/700 ;
U.S. Cl.
CPC ...
C07C 2/700 ;
Abstract
A process for the preparation of butane triols is provided. In the process, a malic acid diester is reduced with sodium borohydride in the presence of an ether and an alcohol. Preferably, the malic acid diester is an ethyl or methyl ester, the ether is tetrahydrofuran or bis(2-methoxyethyl) ether (diglyme), and the alcohol comprises ethanol. Advantageously, the reaction is carried out at ambient temperature.
Schofield, David. (2002). Process for the preparation of butane triols (U.S. Patent No. 6479714). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6479714
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile