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:
May. 23, 1989
Filed:
Feb. 11, 1988
Applicant:
Inventors:
Sudershan K Bhateja, Cottage Grove, MN (US);
Chung I Young, Roseville, MN (US);
Nancy N Quan, Circle Pines, MN (US);
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G / ; G03G / ;
U.S. Cl.
CPC ...
4301066 ; 430110 ; 430903 ;
Abstract
A triboelectrically chargeable monocomponent toner powder is provided which comprises as a binder a mixture of a copolymer of styrene and an acrylate with an amine-containing aliphatic wax as a charge-control agent. The toner is inherently strongly chargeable positively through triboelectric forces.