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:
Feb. 21, 1989
Filed:
Aug. 01, 1986
Applicant:
Inventors:
Yasuharu Noishiki, Tottori, JP;
Kazuhiko Kodaira, Mitaka, JP;
Masayasu Furuse, Sagamihara, JP;
Teruo Miyata, Tokyo, JP;
Assignee:
Koken Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F / ; A61M / ;
U.S. Cl.
CPC ...
525 542 ; 514 56 ; 514822 ; 523112 ; 623-1 ; 623 11 ; 623 12 ;
Abstract
In a method of preparing an antithrombogenic medical material having a heparinized collagen as an antithrombogenic component, there is provided a method comprising the steps of fixing a protamine to a collagen through a polyepoxy compound, and heparinizing the collagen by fixing heparin to the protamine.