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. 05, 1991
Filed:
Jan. 03, 1990
Applicant:
Inventors:
Diane M Robertson, West Suffield, CT (US);
Ludmila Byalik, West Hartford, CT (US);
Assignee:
The Dexter Corporation, Windsor Locks, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A22C / ; B32B / ; B32B / ; B65D / ;
U.S. Cl.
CPC ...
428286 ; 1381181 ; 138146 ; 426105 ; 426135 ; 427342 ; 427411 ; 428 343 ; 428 348 ; 428 357 ; 428287 ; 428511 ;
Abstract
A bonded porous sheet material for use in the manufacture of food casing, said material being produced by treating a fibrous web with a thermoplastic film forming material which bonds the fibers of the web and imparts high alkaline strength to the treated wet and subsequently treating the bonded fiber web with a solution of film forming material and an insolubilizing agent for the film forming material.