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:
Apr. 04, 1995
Filed:
Aug. 18, 1993
Applicant:
Inventors:
John C Lang, Arlington, TX (US);
Jamieson C Keister, Crowley, TX (US);
Paul J Missel, Arlington, TX (US);
Dimitri J Stancioff, Camden, ME (US);
Assignee:
Alcon Laboratories, Inc., Forth Worth, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; A61K / ;
U.S. Cl.
CPC ...
5142268 ; 514 54 ; 514392 ; 514912 ;
Abstract
Topical ophthalmic compositions of carrageenans which are administrable as a drop but which become more viscous or gel upon instillation in the eye are disclosed. Methods for use of the compositions as topical ophthalmic vehicles for pharmaceutically active agents, and alone as lubricants or tear supplements, are also disclosed.