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. 11, 1976
Filed:
May. 22, 1974
Applicant:
Inventors:
Yujiro Sugahara, Tokyo, JA;
Kaichiro Miyazawa, Tsuruoka, JA;
Okitsu Hidetika, Tsuruoka, JA;
Mamoru Saito, Tsuruoka, JA;
Assignee:
Mizusawa Kagaku Kogyo Kabushiki Kaisha, Osaka, JA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09C / ;
U.S. Cl.
CPC ...
106298 ; 1063 / ; 428404 ;
Abstract
A coated pigment composition having improved resistance, especially to abrasion, is disclosed, said coated pigment composition consisting essentially of particles composed mainly of an inorganic color pigment and a continuous solid glass coating layer covering the surfaces of said pigment particles, said continuous solid glass coating layer being formed of a continuous phase composed mainly of an alkali polysilicate having the following mole composition