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:
Oct. 19, 1999

Filed:

Feb. 17, 1998
Applicant:
Inventors:

Takamasa Ueda, Ibaraki, JP;

Tomoko Yamamoto, Takarazuka, JP;

Masakazu Takahashi, Sanda, JP;

Assignee:

Minolta Co., Ltd., Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D / ;
U.S. Cl.
CPC ...
106 3186 ; 106 319 ;
Abstract

The present invention relates to an ink for ink-jet recording containing carbon black particles having a specific surface active hydrogen content, water, and polyethyleneimine or alkylene oxide adduct of acetylene glycol.


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