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. 03, 1989
Filed:
Sep. 14, 1987
Applicant:
Inventors:
Li-Chien Hsu, Mission Viejo, CA (US);
Sun D Tong, Tustin, CA (US);
Assignee:
Baxter International Inc., Deerfield, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
604266 ; 604269 ; 514 56 ; 536 21 ; 623-1 ;
Abstract
A non thrombogenic quarternary ammonium/heparin complex coating for a medical article is disclosed where the organic cationic salt is an alkylbenzyldimethyl ammonium ion present in an amount of at least 50% by weight and having the following formula: ##STR1## where R is a uniform alkyl group containing between 16 to 18 carbon atoms.