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:
Jul. 30, 1996
Filed:
Mar. 29, 1995
Applicant:
Inventors:
Hideyuki Yokota, Ohtsu, JP;
Masakazu Tanaka, Ohtsu, JP;
Assignee:
Toyo Boseki Kabushiki Kaisha, , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; C08B / ;
U.S. Cl.
CPC ...
536 21 ; 536112 ; 536122 ; 523112 ;
Abstract
A material compatible with blood obtained by heparinizing a polymer having quarternary ammonium groups with an alkali metal salt or an alkaline earth metal salt of heparin or the analog by ion exchange is provided. The equivalent ratio (M/S) of alkali metal atoms or alkaline earth metal atoms (M) in the heparin or the analog bonded to the polymer to sulfur atoms (S) in heparin or the analog bonded to the polymer is 0.4 or less.