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:
Mar. 23, 1976
Filed:
Nov. 18, 1974
Applicant:
Inventors:
Martin Winn, Deerfield, IL (US);
Raj Kumar Razdan, Belmont, MA (US);
Haldean Cloyce Dalzell, Weston, MA (US);
Joyce Ruth Krei, Glenview, IL (US);
Assignee:
Sharps Associates, Cambridge, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
424275 ;
Abstract
1,2-Dihydro-4H-thieno-[2,3-c][1]benzopyrans of the formulae ##SPC1## Wherein R is a lower alkyl group having 1 to 5 carbons, R.sub.1 is hydrogen or a lower alkyl group having 1 to 5 carbons, R.sub.2 is a lower alkyl group and R.sub.3 is an alkyl group having 1 to 20 carbon atoms, a phenyl-lower alkyl group or a cycloalkyl-lower alkyl group. The compounds have analgesic, antihypertensive, antidepressant, anticonvulsant, antianxiety, sedative-hypnotic and/or tranquilization activity.