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:
Dec. 21, 1999
Filed:
Dec. 27, 1996
Applicant:
Inventors:
Waifong Liew Anton, Wilmington, DE (US);
Milan Bohuslav Bednarek, Wilmington, DE (US);
Soodabeh Tronson, San Carlos, CA (US);
Assignee:
E.I. du Pont Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09D / ;
U.S. Cl.
CPC ...
523161 ; 260D / ; 524501 ; 524504 ; 523201 ; 106 3113 ; 106 3125 ;
Abstract
An ink for ink jet printers contains an aqueous carrier medium; a colorant that is insoluble in the aqueous carrier; a branched polymer dispersant; and an emulsion polymer additive and is stable, has low viscosity, exhibits excellent print quality, provides excellent smear resistance after drying and has good decap or crusting time.