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. 02, 2004
Filed:
Sep. 18, 2002
Applicant:
Inventors:
Peter Weigel, Kleinmachnow, DE;
Hans-Peter Fink, Teltow, DE;
Michael Doss, Berlin, DE;
Stefan Dominic Beckers, Hechtel-Eskel, BE;
Roger Henri Hendrikx, Zonhofen, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 4/712 ; B29C 4/788 ;
U.S. Cl.
CPC ...
B29C 4/712 ; B29C 4/788 ;
Abstract
The invention relates to a method of manufacturing tubular films from a solution of a mixture if cellulose and proteins by extrusion blowing the solution over an air gap into a precipitation bath, and to the films produced with this method and their application.