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:
Apr. 09, 1996
Filed:
Oct. 19, 1993
Applicant:
Inventors:
Jose M Rodriguez, Fort Mill, SC (US);
Anthony B Cook, Charlotte, NC (US);
Gail M Howell, Fort Mill, SC (US);
Assignee:
Henkel Corporation, Plymouth Meeting, PA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D21C / ;
U.S. Cl.
CPC ...
162-5 ; 162-8 ;
Abstract
Wastepaper containing printing ink is refined in the presence of the reaction products of castor oil with an alkoxylated fatty acid, alcohol, amine, amide, phosphate ester, polyhydroxy alcohol, or sorbitan, and the detached printing ink particles are subsequently removed from the paper stock suspensions by flotation or washing.