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:
Dec. 25, 1990
Filed:
Apr. 27, 1989
Applicant:
Inventor:
Alec D Keith, State College, PA (US);
Assignee:
Zetachron, Inc., State College, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
424 49 ; 536-3 ; 424 78 ; 514 54 ; 514779 ; 514901 ; 514781 ;
Abstract
A chlorhexidine complex is prepared by complexing chlorhexidine (a divalent, cationic antiseptic) with an anionic polymer such as algin or carboxymethylcellulose. The complex is insoluble but can be granulated or crushed to a fine powder. In powdered form the complex forms stable aqueous dispersions. The chlorhexidine complex is suitable for inclusion in oral hygiene compositions such as dentrifrices, and in other antibacterial compositions such as opthalmic under-eye-lid treatment capsules topical preparations and ocular solutions.