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.

Date of Patent:
Mar. 03, 1992

Filed:

Feb. 08, 1989
Applicant:
Inventors:

Rajni Jani, Fort Worth, TX (US);

Yusuf Ali, Fort Worth, TX (US);

Assignee:

Alcon Laboratories, Inc., Fort Worth, TX (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; A61F / ;
U.S. Cl.
CPC ...
424428 ; 424400 ; 424486 ;
Abstract

Disclosed are nonstinging, sustained release ophthalmic formulations. The formulations comprise a cationic drug, an acidic mucomimetic polymer and a polystyrene sulfonic acid polymer. In particular, formulations for the control of intraocular pressure and glaucoma are disclosed. Methods for use of the formulations are also disclosed.


Find Patent Forward Citations

Loading…