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. 29, 1990
Filed:
Feb. 08, 1989
Applicant:
Inventors:
George D Hartman, Lansdale, PA (US);
John D Prugh, Chalfond, PA (US);
Assignee:
Merck & Co., Inc., Rahway, NJ (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
5142278 ; 5142315 ; 514443 ; 544 59 ; 549 50 ;
Abstract
Novel 5-carbamoylthieno[2,3-b]thiophene-2-sulfonamides and derivatives thereof are prepared in reactions of 5-methoxycarbonylthieno-[2,3-b]thiophene-2-sulfonamide with alkylamines, alkoxyalkylamines and hydroxyalkylamines. These compounds are useful for the treatment of elevated intraocular pressure in compositions including ophthalmic drops and inserts.