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:
Jan. 05, 1999
Filed:
Jan. 18, 1996
Applicant:
Inventor:
Wing Sum Kwan, Deerfield, IL (US);
Assignee:
Videojet Systems International, Inc., Wood Dale, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09C / ;
U.S. Cl.
CPC ...
106444 ; 106445 ; 106449 ; 106471 ;
Abstract
A method for preparing modified pigment particles including contacting an aqueous slurry of metallo, mono and bi-dentate ligand pigment particles with a surface derivatizing agent having one or more phenolic moieties, a 1, 3-diketo moiety or a combination thereof.