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:
Jul. 26, 1977
Filed:
Mar. 22, 1976
Applicant:
Inventors:
Gerry K Noren, Hoffman Estates, IL (US);
Richard C Diehl, Oakdale, PA (US);
Assignee:
Calgon Corporation, Pittsburgh, PA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10M / ;
U.S. Cl.
CPC ...
208180 ;
Abstract
Use of oil soluble cationic polymers as flocculants for the purification of used motor oil. Polymers useful in the process of the instant invention include oil soluble polymers such as fatty acid salts of cationic polymers.