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:
Sep. 10, 1991
Filed:
Jul. 31, 1989
Applicant:
Inventor:
Li-Chien Hsu, Mission Viejo, CA (US);
Assignee:
Baxter International Inc., Deerfield, IL (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
604266 ; 604269 ; 514 56 ; 623-1 ;
Abstract
A non thrombogenic quaternary ammonium-heparin complex coating for a medical article comprising an amount of at least 50% by weight of one or more cationic quaternary ammonium organic salts having the following formula: ##STR1## Wherein R.sub.1 is an alkyl group having from about 14 to about 22 carbons;