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:
Sep. 21, 1976
Filed:
Nov. 03, 1975
Applicant:
Inventor:
Noel Ian Burke, Danville, IL (US);
Assignee:
Tee-Pak, Inc., Chicago, IL (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A22C / ;
U.S. Cl.
CPC ...
426273 ; 426140 ; 426277 ; 426278 ; 264202 ;
Abstract
An improved process for tanning edible collagen food casings wherein the coagulated and washed collagen casing is exposed to a tanning bath which is free of aluminum chelating reagents and contains a mixture of aluminum ammonium sulfate, as A1NH.sub.4 (SO.sub.4).sub.2. 12H.sub.2 O and monobasic aluminum sulfate (A10HSO.sub.4), the concentration of the aluminum ammonium sulfate in the bath being less than 3% by weight and the molar ratio of aluminum ammonium sulfate to monobasic aluminum sulfate being in the range of 1:2 to 2:1.