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:
Oct. 25, 1994
Filed:
Sep. 30, 1992
Applicant:
Inventors:
Lawrence Marlin, Bridgewater, NJ (US);
Ronald K Yamamoto, San Francisco, CA (US);
Assignee:
Union Carbide Chemicals & Plastics Technology Corporation, Danbury, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ;
U.S. Cl.
CPC ...
424 7804 ; 424427 ; 514912 ; 514915 ;
Abstract
Cationic polysaccharide polymers and anionic therapeutic agents delivery systems are disclosed which have been found to be substantive to mucosal surfaces. The present delivery system is well suited for the delivery of anionic ophthalmic pharmaceuticals.