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.

Date of Patent:
Jul. 24, 1990

Filed:

Oct. 19, 1988
Applicant:
Inventors:

Ichiro Demizu, Osaka, JP;

Mitsutoshi Nakamura, Osaka, JP;

Toshitaro Kohri, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430109 ; 430110 ; 430111 ;
Abstract

This invention provides white toners for use in forming images by dry process comprising titanium dioxide with 0.20-0.35 .mu.m in mean particle size. White toners of the invention are excellent in hiding properties and have no problem about toner flying, fogs and so on.


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