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. 08, 1997
Filed:
Jan. 19, 1995
Applicant:
Inventors:
Lawrence Marlin, Bridgewater, NJ (US);
Ronald Kenichi Yamamoto, San Francisco, CA (US);
Assignee:
Union Carbide Chemicals & Plastics Technology Corporation, Danbury, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ;
U.S. Cl.
CPC ...
424 7804 ; 424434 ; 424435 ; 514777 ; 514912 ; 514913 ; 514914 ; 514915 ;
Abstract
Compositions comprising cationic polysaccharide polymers and anionic therapeutic agents which can have enhanced substantivity to mucosal surfaces are disclosed. These compositions are well suited, for example, for the delivery of anionic ophthalmic pharmaceuticals because they can provide clear solution in addition to substantivity.