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:
Jun. 06, 1989
Filed:
Sep. 01, 1987
Applicant:
Inventor:
Minoru Hatanaka, Takatsuki, JP;
Assignee:
Kanegafuchi Kagaku Kogyo Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01D / ;
U.S. Cl.
CPC ...
549291 ;
Abstract
Optically active .beta.-amino acid derivatives and their salts of the following formula: ##STR1## wherein COOR.sup.1 is an esterified or unesterified carboxyl group; R.sup.2 is hydrogen or a C.sub.1-10 acyl or esterified carboxyl group and processes for producing the same. These compounds permit important intermediate for the synthesis of 1.beta.-methylcarbapenem derivatives to be produced in an efficient way.
Hatanaka, Minoru. (1989). Optically active .beta.-amino acid derivatives and their salts, and (U.S. Patent No. 4837343). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4837343
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile