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:
Jun. 26, 1979
Filed:
Jun. 02, 1978
Applicant:
Inventors:
Hiroji Shibazaki, Amagasaki, JP;
Setsuji Edagawa, Nishinomiya, JP;
Hisashi Hasegawa, Nishinomiya, JP;
Satoshi Kondo, Nishinomiya, JP;
Kazuo Ohnawa, Takarazuka, JP;
Assignee:
Shiraishi Kogyo Kaisha, Ltd., Amagasaki, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01F / ; C09C / ;
U.S. Cl.
CPC ...
423268 ; 423430 ; 1063 / ; 106306 ;
Abstract
Surface-treated calcium carbonate powders of this invention are easy to handle and highly dispersible in water, give slurries of high concentration and are useful as pigments and various other applications.