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. 05, 1993
Filed:
Sep. 13, 1991
Applicant:
Inventors:
Karin Bergstrom, Kungalv, SE;
Krister Holmberg, Molndal, SE;
Assignee:
Berol Nobel AB, Stenungsund, SE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G / ; C08H / ; C08L / ;
U.S. Cl.
CPC ...
525 541 ; 525 5411 ;
Abstract
A solid surface having anionic groups capable of reacting with imino groups is provided with a hydrophilic outer surface layer comprising a covalently bonded biopolymer by a method selected from the group consisting of: