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. 23, 1990
Filed:
Jan. 23, 1989
Applicant:
Inventors:
Etienne Schacht, Staden, BE;
Jan Crommen, Gent, BE;
Assignee:
Ethyl Corporation, Richmond, VA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
560 60 ; 560 38 ; 560145 ; 560155 ; 528321 ;
Abstract
The protecting group, Z, of protected alpha-amino acid esters of the formula
Schacht, Etienne. (1990). Novel dibasic acid salts and their synthesis (U.S. Patent No. 4965397). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4965397
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile