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:
Mar. 16, 1982
Filed:
Sep. 02, 1980
Applicant:
Inventors:
Alexander Berg, Hirschberg, DE;
Zdenek Eckmayer, Weinheim, DE;
Assignee:
Firma Carl Freudenberg, Weinheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C14C / ;
U.S. Cl.
CPC ...
435265 ; 435273 ; 128296 ;
Abstract
A process for producing collagen sponge which is insoluble but highly swellable in water, the sponge having a velour-like surface and being particularly suited for medical and cosmetic applications.