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. 31, 1995
Filed:
Jan. 27, 1995
Applicant:
Inventors:
Keigo Nishihira, Ube, JP;
Shuji Tanaka, Ube, JP;
Assignee:
Ube Industries, Ltd., Yamaguchi, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
560157 ; 560 24 ; 560115 ; 560162 ; 560163 ;
Abstract
Disclosed is a process for preparing carbamates comprising reacting carbonic acid diester with ammonia or amines in a liquid phase in the presence of at least 1 mole % of water based on carbonic acid diester.
Nishihira, Keigo. (1995). Process for preparing carbamates (U.S. Patent No. 5463109). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5463109
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile