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:
Jan. 22, 1991
Filed:
Sep. 19, 1989
Applicant:
Inventors:
Daniel Bichon, Gaillard, FR;
Christian Guillot, Saint Julien en Genevois, FR;
Michel Schneider, Troinex, CH;
Assignee:
Battelle Memorial Institute, , CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; A61K / ;
U.S. Cl.
CPC ...
525 541 ; 523112 ; 514822 ; 604 96 ; 604266 ; 427-2 ; 525 542 ;
Abstract
Copolymer film deposited on a substrate comprising covalently fixed fragments of heparin having antithrombogenic properties. The polymer further comprises free carboxylic groups intended to neutralize free amine functions which are possibly present and to improve the hemocompatibility of the film.