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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.:

US 4931588 B1

PDFFull Text
Date of Patent:
Jun. 05, 1990

Filed:

Sep. 15, 1989

Compounds usable in a toner for developing electrostatic latent images

Applicant:
Inventors:

Yoji Kawagishi, Kyoto, JP;

Shinichi Narita, Osaka, JP;

Takashi Kiriu, Osaka, JP;

Schunichiro Yamanaka, Osaka, JP;

Assignee:

Orient Chemical Industries, Ltd., Osaka, JP;

Attorney:

McGlew & Tuttle

Primary Examiner:

Nicky Chan

Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
562 68 ; 562 70 ; 562 79 ;
Abstract

A salt forming compound represented by the formula ##STR1## wherein R.sub.1 is C.sub.1 -C.sub.8 alkyl or benzyl, R.sub.2 and R.sub.3 are each C.sub.1 -C.sub.18 alkyl, R.sub.4 is C.sub.1 -C.sub.18 alkyl or benzyl, X is hydroxyl or amino, and Y is hydroxyl or hydrogen and is not hydrogen when X is hydroxyl, usable in a toner for developing electrostatic latent images, e.g. comprising 0.5 to 5 parts by weight of the salt forming compound and 100 parts by weight of a resin.

Find Patent Forward Citations

Kawagishi, Yoji. (1990). Compounds usable in a toner for developing electrostatic latent images (U.S. Patent No. 4931588). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4931588

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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