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:
Jan. 11, 1994
Filed:
Jan. 17, 1992
Applicant:
Inventors:
Myron D Nicholson, Lemont, IL (US);
Edward M Kajiwara, Skokie, IL (US);
Paul E Ducharme, Jr, Tinley Park, IL (US);
Merlan E McCallister, Clarendon Hills, IL (US);
Joseph R Walta, Lagrange, IL (US);
Assignees:
Viskase Corporation, Chicago, IL (US);
Courtaulds Fibres Limited, Coventry, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A22C / ;
U.S. Cl.
CPC ...
264187 ; 264203 ;
Abstract
A cellulosic food casing formed by extruding a nonderivatized cellulose solution composed of cellulose pulp and an amine solvent into a seamless tube, contacting the inner and outer surfaces of the seamless tube with a nonsolvent liquid to precipitate a tube of nonderivatized cellulose and thereafter contacting the same with a water soluble softener. Apparatus for forming the food casing and a food casing of nonderivatized cellulose also are disclosed.