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:
Oct. 18, 1988
Filed:
Jun. 24, 1987
Applicant:
Inventors:
Henry F Leonard, Anaheim, CA (US);
Daniel L King, Huntington Beach, CA (US);
Assignee:
Separation Technologies, Inc., Placentia, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; B01D / ;
U.S. Cl.
CPC ...
210664 ; 210774 ; 210788 ; 210801 ;
Abstract
An improved method for reclaiming waste printing ink is provided that requires no dilution nor blending with virgin ink wherein substantially all entrained water and solvent contamination is removed in a vacuum distillation step. Solid impurities are removed via a subsequent filtration method that leaves the ink's pigment content substantially undiminished.