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:
Jun. 01, 2004
Filed:
Jun. 05, 2002
Applicant:
Inventors:
Ernesto J. Castillo, Arlington, TX (US);
Wesley Wehsin Han, Arlington, TX (US);
Huixiang Zhang, Fort Worth, TX (US);
Ronald F. Berry, Arlington, TX (US);
Assignee:
Alcon, Inc., Hunenberg, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F 2/00 ;
U.S. Cl.
CPC ...
A61F 2/00 ;
Abstract
Aqueous pharmaceutical solution compositions preserved with a cationic preservative and comprising a cationic drug and a sulfonated styrene/maleic anhydride copolymer are disclosed. The compositions are particularly well suited for topical ophthalmic use, but may also be used as topically administrable otic or nasal compositions.