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:
Sep. 10, 1996
Filed:
Apr. 06, 1994
Applicant:
Inventors:
John L Stoffel, San Diego, CA (US);
Arthur C Shor, Concordville, PA (US);
Harry J Spinelli, Wilmington, DE (US);
Sheau-Hwa Ma, Chadds Ford, PA (US);
Howard Matrick, Highlands, NJ (US);
Mark L Choy, Escondido, CA (US);
Loren E Johnson, Corvallis, OR (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J / ; C09D / ;
U.S. Cl.
CPC ...
347100 ; 347 96 ; 106 / ;
Abstract
A process for alleviating bleed and improving color in printed elements comprises applying an anionic printing liquid and a cationic printing liquid to a substrate adjacent to one another, wherein at least one of the printing liquids contains a polymer and reacting the anionic and cationic printing liquids with one another; wherein the color integrity of the anionic and cationic printing liquids is maintained.