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. 16, 1993
Filed:
Mar. 20, 1992
Applicant:
Inventors:
Mridula Nair, Penfield, NY (US);
Zona R Pierce, Rochester, NY (US);
Louis J Sorriero, Rochester, NY (US);
Dinesh Tyagi, Fairport, NY (US);
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430137 ; 430110 ; 430111 ; 42840224 ;
Abstract
Pigmented toner particles are provided wherein, because of treatment with a surface modifier, an initially hydrophilic, sub-micron sized pigment is made hydrophobic. Toner particles are produced wherein the pigment is dispersed internally leaving surfaces substantially free from pigment.