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. 25, 1979
Filed:
Mar. 10, 1978
Applicant:
Inventors:
Christian Bocard, Orgeval, FR;
Marc Folachier, Sainte-Foy-les-Lyon, FR;
Assignee:
Institut Francais du Petrole, Rueil-Malmaison, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C02B / ;
U.S. Cl.
CPC ...
210 27 ; 134-7 ; 210 36 ; 210 40 ; 210 / ; 210D / ;
Abstract
Surfaces and media contaminated with fatty materials such as hydrocarbons, vegetable or animal oils or fats, organic solvents and other organic compounds may be cleaned by spreading thereon leather particles and/or fibers. A preferred embodiment comprises bringing leather wastes to a selected water content and crushing them to particles and/or fibers.