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. 09, 1980
Filed:
Jul. 11, 1978
Applicant:
Inventors:
Juergen Plapper, Hilden, DE;
Klaus Schumann, Erkrath, DE;
Emanuel Arndt, Dusseldorf, DE;
Emil Ruscheinsky, Leverkusen, DE;
Assignee:
Henkel Kommanditgesellschaft auf Aktien (Henkel KGaA), Dusseldorf-Holthausen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C14C / ; C14C / ;
U.S. Cl.
CPC ...
8 9417 ; 8 94 / ; 8 9427 ; 8 9429 ; 8 943 ;
Abstract
In the process of tanning for the production of leather comprising subjecting uncured hides to the action of an aqueous liquor containing (1) chemical tanning agents, and (2) auxiliary chemicals to tanning and recovering leather, the improvement consisting of essentially of employing water-insoluble aluminosilicate, containing bound water of the formula