logo

For the Inventor, By the Inventor

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 5013603 B1

PDFFull Text
Date of Patent:
May. 07, 1991

Filed:

Jan. 22, 1990

Ink jet recording paper with amorphous silica filler

Applicant:
Inventors:

Masahide Ogawa, Shibata, JP;

Teiji Sato, Shibata, JP;

Masao Takahashi, Shiunji, JP;

Toshio Kitsu, Shibata, JP;

Seikichi Takahashi, Nakajo, JP;

Kinichi Ono, Kurokawa, JP;

Assignee:

Mizusawa Industrial Chemicals, Ltd., Tokyo, JP;

Attorney:

Spensley, Horn, Jubas & Lubitz

Primary Examiner:

Pamela R Schwartz

Int. Cl.
CPC ...
B41M / ;
U.S. Cl.
CPC ...
428331 ; 3461351 ; 428207 ; 428211 ; 428342 ;
Abstract

Disclosed is a filler for ink jet recording paper, said filler being composed of amorphous silica having a median diameter, measured by the coulter counter method, of 2 to 15 .mu.m, an oil absorption of at least 180 ml/100 g, a refractive index, measured by the solvent method, of at least 1.450, and a moisture absorption, measured when it is caused to absorb moisture for 200 hours at a relative humidity of 90% and a temperature of 25.degree. C., of at least 35%.

Find Patent Forward Citations

Ogawa, Masahide. (1991). Ink jet recording paper with amorphous silica filler (U.S. Patent No. 5013603). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5013603

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

Loading…