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. 08, 1996
Filed:
May. 17, 1995
Applicant:
Inventors:
James M Mrvos, Lexington, KY (US);
Ann M Piekunka, Lexington, KY (US);
Richard B Watkins, Frankfort, KY (US);
Assignee:
Lexmark International, Inc., Greenwich, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D / ;
U.S. Cl.
CPC ...
106 / ; 106 / ;
Abstract
An aqueous jet ink of water, dissolved dyes and a surfactant of R--N(C.sub.2 H.sub.4 O).sub.x (C.sub.2 H.sub.4 O).sub.y H, where x+y is from 5 to 25, with x and y each at least 2, and R is alkyl or oxygen containing. The static surface tension is less than 40 dynes/cm while the dynamic surface tension is about 65 dynes/cm. Satellites and splatter in thermal drop on demand printing are greatly reduced, and drop misdirection is reduced.