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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.:

US 4782083 B1

PDFFull Text
Date of Patent:
Nov. 01, 1988

Filed:

Aug. 29, 1986

3,4-dihydro-2h-1-benzopyrans useful as anti-hypertensive agents

Applicant:
Inventors:

Frederick Cassidy, Harlow, GB;

Geoffrey Stemp, Harlow, GB;

John M Evans, Harlow, GB;

Assignee:

Beecham Group P.L.C., , GB;

Attorney:

Jacobs & Jacobs

Primary Examiner:

Nicky Chan

Int. Cl.
CPC ...
A61K / ; A61K / ; A61K / ; C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
514456 ; 549404 ; 549399 ; 549345 ; 549 60 ; 549 57 ; 549 51 ; 548525 ; 548454 ; 548336 ; 548305 ; 548236 ; 548226 ; 548200 ; 548195 ; 548191 ; 548188 ; 548184 ; 548183 ; 548141 ; 548136 ; 548135 ; 548134 ; 548130 ; 548129 ; 548128 ; 548127 ; 546269 ; 546169 ; 546159 ; 546156 ; 546146 ; 546143 ; 546141 ; 544407 ; 544406 ; 544405 ; 544335 ; 544334 ; 544333 ; 544322 ; 544298 ; 544283 ; 544238 ; 544219 ; 544217 ; 544212 ; 544180 ; 514444 ; 514443 ; 514422 ; 514414 ; 514407 ; 514406 ; 514397 ; 514377 ; 514376 ; 514374 ; 514370 ; 514369 ; 514365 ; 514361 ; 514337 ; 514314 ; 514313 ; 514312 ; 514310 ; 514309 ; 514307 ; 514259 ; 514256 ; 514255 ; 514242 ;
Abstract

Compounds of formula (I) and pharmaceutically acceptable salts thereof: ##STR1## wherein: one of R.sub.1 and R.sub.2 is hydrogen or C.sub.1-4 alkyl and the other is C.sub.1-4 alkyl or R.sub.1 and R.sub.2 together are C.sub.2-5 -polymethylene;

Find Patent Forward Citations

Cassidy, Frederick. (1988). 3,4-dihydro-2h-1-benzopyrans useful as anti-hypertensive agents (U.S. Patent No. 4782083). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4782083

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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