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:
Dec. 20, 2016
Filed:
May. 18, 2012
Applicants:
Yasushi Yamamoto, Ube, JP;
Hikaru Yatabe, Ube, JP;
Inventors:
Yasushi Yamamoto, Ube, JP;
Hikaru Yatabe, Ube, JP;
Assignee:
UBE INDUSTRIES, LTD., Ube-Shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 13/38 (2006.01); C07C 15/14 (2006.01); C07C 2/76 (2006.01); B01J 23/44 (2006.01); B01J 23/46 (2006.01); B01J 29/08 (2006.01); C07C 13/28 (2006.01); C07D 407/04 (2006.01); C07C 2/74 (2006.01); C07C 5/367 (2006.01);
U.S. Cl.
CPC ...
C07C 2/76 (2013.01); B01J 23/44 (2013.01); B01J 23/462 (2013.01); B01J 29/088 (2013.01); C07C 2/74 (2013.01); C07C 5/367 (2013.01); C07C 13/28 (2013.01); C07D 407/04 (2013.01); C07C 2101/14 (2013.01); C07C 2521/04 (2013.01); C07C 2521/08 (2013.01); C07C 2521/12 (2013.01); C07C 2521/16 (2013.01); C07C 2521/18 (2013.01); C07C 2523/44 (2013.01); C07C 2523/63 (2013.01); C07C 2529/08 (2013.01); C07C 2529/18 (2013.01); C07C 2529/40 (2013.01); C07C 2529/50 (2013.01); C07C 2529/70 (2013.01); Y02P 20/52 (2015.11);
Abstract
A 3,3',4,4′-tetraalkyl cyclohexylbenzene represented by the general formula (1): in which R represents an alkyl group having 1 to 4 carbon atoms, which may be easily converted into a 3,3′,4,4′-biphenyltetracarboxylic acid and a 3,3′,4,4′-biphenyltetracarboxylic dianhydride thereof, which are starting materials for a polyimide, via a 3,3′,4,4′-tetraalkylbiphenyl; and a method for producing the same.
Yamamoto, Yasushi. (2016). 3,3',4,4′-tetraalkyl cyclohexylbenzene and method for producing same (U.S. Patent No. 9522857). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9522857
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile