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. 11, 1993
Filed:
Jun. 17, 1991
Applicant:
Inventors:
Philip D Gressel, Everman, TX (US);
Robert E Roehrs, Fort Worth, TX (US);
Robert G Harris, Fort Worth, TX (US);
Assignee:
Alcon Laboratories, Inc., Ft. Worth, TX (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
424 7804 ; 514915 ;
Abstract
Disclosed is a liquid ophthalmic composition of unique rheological and lubricating properties comprising, inter alia, a polyanionic polymer for use as a long lasting artificial tear. Also disclosed is a method of treatment comprising topically administering the composition when indicated for relief of dry eye syndrome, foreign body sensation, burning, hyperemia, corneal staining, and the like.