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:
Aug. 12, 2014
Filed:
Jul. 26, 2013
Applicants:
Dinesh Tyagi, Fairport, NY (US);
Louise Granica, Victor, NY (US);
Inventors:
Dinesh Tyagi, Fairport, NY (US);
Louise Granica, Victor, NY (US);
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/09 (2006.01); G03G 9/087 (2006.01);
U.S. Cl.
CPC ...
G03G 9/0904 (2013.01); G03G 9/08755 (2013.01); G03G 9/08795 (2013.01);
Abstract
A black toner composition is disclosed. The composition includes toner particles prepared by a chemical process of manufacture including carbon black pigment, a first addition polymer comprising carboxylic acid groups along the polymer backbone, and a thermoplastic second polymer binder distinct from the first addition polymer. In the composition, the first polymer has an Acid Value of from 30 to 220 and is present at a weight ratio of greater than 1:2 relative to the amount of carbon, and at a relatively lower weight percent than the second polymer.