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:
Jan. 26, 1988
Filed:
Jul. 18, 1985
Applicant:
Inventors:
Ronald F Mason, Ashford, GB;
Paul H Briner, Faversham, GB;
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
548953 ;
Abstract
The novel ester, N-benzylazetidine-3-carboxylic acid methyl ester and its use in the preparation of the corresponding free acid by a process which comprises reacting N-benzyl-3-cyanozetidine with methanol and hydrolyzing the resulting methyl ester with hot water.
Mason, Ronald. (1988). Azetidine-3-carboxylic acid derivatives (U.S. Patent No. 4721793). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4721793
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile