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:
May. 14, 1991
Filed:
Jun. 16, 1989
Applicant:
Inventor:
Armin Walser, West Caldwell, NJ (US);
Assignee:
Hoffmann-La Roche Inc., Nutley, NJ (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ;
U.S. Cl.
CPC ...
514443 ; 5142305 ; 514256 ; 514307 ; 514314 ; 514337 ; 514374 ; 514397 ; 514414 ; 514444 ; 514458 ; 544 99 ; 544101 ; 544105 ; 544331 ; 546147 ; 546152 ; 546148 ; 546174 ; 546269 ; 548235 ; 548236 ; 548454 ; 549 58 ; 549 60 ; 549408 ; 549410 ;
Abstract
Racemic Compounds of the formula ##STR1## A is --C.tbd.C--R.sub.6, --CH.sub.2 --CH.sub.2 --R.sub.7 or ##STR2## R.sub.1 is hydrogen or lower alkanoyl, R.sub.2, R.sub.3, and R.sub.4 independently are hydrogen or lower alkyl,
Quick Actions:
Walser, Armin. (1991). Chromanes and their pharmaceutical compositions and methods (U.S. Patent No. 5015661). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5015661
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile