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:
Sep. 16, 1997
Filed:
May. 22, 1995
Applicant:
Inventors:
John M Yanni, Burleson, TX (US);
Stella M Robertson, Arlington, TX (US);
Shigetoshi Okumura, Nara, JP;
Hitoshi Tanaka, Nara-ken, JP;
Tadayuki Saito, Osaka, JP;
Assignee:
Alcon Laboratories, Inc., Fort Worth, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
514253 ; 514912 ;
Abstract
Topical ophthalmic compositions comprising 1-(2-ethoxyethyl)-2-(4-methyl-1-homopiperazinyl)-benzimidazole and its ophthalmically acceptable acid addition salts have been found to be useful in treating ocular allergies, especially allergic conjunctivitis, giant papillary conjunctivitis, and vernal conjunctivitis.