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:
Feb. 05, 1991
Filed:
Jan. 06, 1989
Applicant:
Inventors:
Antonio Longo, Milan, IT;
Paolo Lombardi, Milan, IT;
Assignee:
Farmitalia Carlo Erba S.r.l., Milan, IT;
Primary Examiner:
Int. Cl.
CPC ...
C07J / ;
U.S. Cl.
CPC ...
552526 ;
Abstract
The invention relates to a new process for the preparation of known aromatase inhibitors of the following formula (I) ##STR1## wherein each of R.sub.1 and R.sub.3, independently, is hydrogen or C.sub.1 -C.sub.6 alkyl;
Longo, Antonio. (1991). Synthesis of 6-methylene derivatives of androsta-1,4-diene-3,17-dione (U.S. Patent No. 4990635). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4990635
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile