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:
Nov. 24, 1992
Filed:
Mar. 18, 1991
Applicant:
Inventors:
Hanns-Peter Muller, Bergisch Gladbach, DE;
Tillmann Hassel, Cologne, DE;
Gunter Weber, Fallingbostel, DE;
Assignee:
Wolff Walsrode Aktiengesellschaft, Walsrode, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
524 35 ; 524 36 ; 523124 ; 523125 ; 523128 ;
Abstract
Blends of cellulose and a polyurethane (urea) have improved properties in relation to other cellulose blends and can be used as a biodegradable packaging material.