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. 08, 2002
Filed:
Feb. 28, 2001
Applicant:
Inventor:
Elisabeth Scholander, Uppsala, SE;
Assignee:
Carmeda AB, Stockholm, SE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F 2/02 ; A61F 2/06 ; A61L 1/700 ; B05D 1/36 ;
U.S. Cl.
CPC ...
A61F 2/02 ; A61F 2/06 ; A61L 1/700 ; B05D 1/36 ;
Abstract
The present invention relates to a process for preparing surface modifications having an improved antithrombogenic activity, whereby the improvement is achieved by treating heparin at a temperature above 40° C. or a pH in the rage of 9-14 or in contact with nucleophilic catalysts before attaching said heparin to the surface to be modified.