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:
Jul. 30, 1996
Filed:
Feb. 07, 1990
Applicant:
Inventors:
Mridula Nair, Rochester, NY (US);
Zona R Pierce, Rochester, NY (US);
Louis J Rossi, Rochester, NY (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G / ; G03G / ;
U.S. Cl.
CPC ...
430137 ; 430106 ; 430109 ; 430111 ;
Abstract
Neutral density pigmented toner particles are produced by limited coalescence polymerization. The organic neutral density black colorant employed is a 1,4-bis arylazo derivative of 2,3-naphthalenediol.