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:
Nov. 22, 2005
Filed:
Mar. 24, 2000
Applicants:
Anders Larsson, Bromma, SE;
Anette Ocklind, Upplands-Vasby, SE;
Helene Derand, Taby, SE;
Inventors:
Assignee:
Gyros AB, Uppsala, SE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12N005/00 ; C12M001/00 ; H05H004/00 ; G01N021/00 ;
U.S. Cl.
CPC ...
Abstract
A method for rendering a surface covered by a plastic material more hydrophilic by treatment with a gas plasma non-polymerizable gas. The method is characterized in that the intensity of the plasma is selected so that the surface becomes permanently more hydrophilic. Also disclosed is a naked plasma treated surface of plastic having an immediate water contact angle of ≦30°, said water contact angle is changed ±20 and/or less than 5% upon washing with an ethanol/water mixture (70% w/w).