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:
Jul. 30, 1996
Filed:
Jun. 07, 1995
Applicant:
Inventors:
Ernesto J Castillo, Arlington, TX (US);
Yusuf Ali, Fort Worth, TX (US);
Assignee:
Alcon Laboratories, Inc., Ft. Worth, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
424 7804 ; 514912 ;
Abstract
Certain anionic surfactants are used to enhance antimicrobial effectiveness in comfortable, sustained release ophthalmic compositions containing polyelectrolytes, such as carboxyvinyl polymers, polystyrene sulfonic acid polymers and cationic exchange resins, as well as at least one active ingredient.
Castillo, Ernesto. (1996). Use of certain anionic surfactants to enhance antimicrobial (U.S. Patent No. 5540918). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5540918
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile