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:
Sep. 01, 1992
Filed:
May. 29, 1991
Applicant:
Inventors:
Gudmund Skjak-Braek, Trondheim, NO;
Storker Moe, Trondheim, NO;
Assignee:
Protan Biopolymer A/S, Drammen, NO;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08B / ; B01J / ;
U.S. Cl.
CPC ...
536-3 ; 2523153 ;
Abstract
Superswelling cross-linked alginate gels which can swell strongly with a controllable swelling time in water, aqueous solutions of salts, proteins or the like. Process for the preparation of the alginate gels comprises the transferring of a water soluble alginate to an alginate gel, followed by a cross-linking reaction, reintroduction of non-gelling ions and drying the thus prepared gel.