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:
Nov. 03, 1998
Filed:
May. 15, 1997
Stewart H Corn, St. Paul, MN (US);
Brett A Behnke, Hastings, MN (US);
Thomas A Speckhard, Cottage Grove, MN (US);
Oyvind H Iversen, Cottage Grove, MN (US);
Christopher J Anton, Rosemount, MN (US);
Kenneth W Olson, River Falls, WI (US);
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Abstract
A system for substantially maintaining color density in liquid toners for electrographic printers is disclosed. The system includes means for substantially continuously supplying toner concentrate to a printer and means for substantially continuously withdrawing liquid toner from a printer into a waste flowstream. A method to achieve substantially consistent color density of liquid toner in a electrographic printing system is also disclosed.