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. 02, 1980
Filed:
Mar. 13, 1979
Applicant:
Inventors:
Alexander Berg, Hirschberg, DE;
Zdenek Eckmayer, Weinheim, DE;
Rolf Monsheimer, Darmstadt-Eberstadt, DE;
Ernst Pfleiderer, Darmstadt-Arheilgen, DE;
Assignee:
Rohm GmbH, Darmstadt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07G / ;
U.S. Cl.
CPC ...
435273 ; 435265 ;
Abstract
A method for conditioning a collagen-containing raw material to render it adaptable to hot-water extraction of collagen and collagen degradation products therefrom, which comprises incubating said raw material in an aqueous bath containing a neutral or alkaline protease at a pH between 6.5 and 13 in the presence of a member selected from the group consisting of urea, guanidine, or an acid addition salt of quanidine.