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:
Sep. 20, 2016
Filed:
Apr. 01, 2015
Applicants:
Hyundai Motor Company, Seoul, KR;
Snu R&db Foundation, Seoul, KR;
Inventors:
Assignees:
HYUNDAI MOTOR COMPANY, Seoul, KR;
SNU R&DB FOUNDATION, Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 51/09 (2006.01); C07C 67/297 (2006.01); C07C 51/42 (2006.01);
U.S. Cl.
CPC ...
C07C 51/09 (2013.01); C07C 51/42 (2013.01); C07C 67/297 (2013.01);
Abstract
A process for synthesizing adipic acid comprising the steps of using glucaric acid or galactaric acid as a starting material, using rhenium catalyst and acid catalyst, using one or more reaction solvents selected from a group consisting of heptanol and butanol; and b) subjecting glucaric acid ester or galactaric acid ester obtained from the step a) to hydrogenation reaction with precious metal catalyst, and then hydrolyzing the ester obtained from this reaction to obtain adipic acid.