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:
Apr. 24, 1990
Filed:
Sep. 05, 1989
Applicant:
Inventors:
David Askin, Edison, NJ (US);
Todd K Jones, Edison, NJ (US);
Robert A Reamer, Bloomfield, NJ (US);
Ralph P Volante, East Windsor, NJ (US);
Ichiro Shinkai, Westfield, NJ (US);
Assignee:
Merck & Co., Inc., Rahway, NJ (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
540456 ; 540452 ;
Abstract
A process is described involving an alkaline rearrangement of FK-506 producing a new decarbonylated 22-membered macrocycle rearrangement derivative of FK-506, i.e. C.9, nor-keto FK-506.
Askin, David. (1990). Novel hydroxide mediated fk-506 rearrangement process (U.S. Patent No. 4920218). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4920218
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile