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. 17, 1985
Filed:
Jul. 13, 1983
Applicant:
Inventors:
Masahiko Fujino, Hyogo, JP;
Chieko Kitada, Osaka, JP;
Assignee:
Takeda Chemical Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; A61K / ;
U.S. Cl.
CPC ...
514 14 ; 514 15 ; 514 16 ; 514 17 ; 2601 / ;
Abstract
Novel polypeptide-diesters, inclusive of salts thereof, which have the formula: ##STR1## wherein A.sub.1 is arginine or lysine or a di- or tripeptide residue having arginine or lysine at its N-terminal; A.sub.2 is an aromatic amino acid residue; A.sub.3 is a neutral amino acid or aromatic amino acid residue; each of the amino acid residues mentioned may be optionally L-configured or D-configured; and n is 0, 1 or 2. These compounds are useful as analgesics.
Fujino, Masahiko. (1985). Polypeptide-diesters, their production and use (U.S. Patent No. 4559324). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4559324
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile