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:
Sep. 13, 1983
Filed:
Jan. 04, 1982
Applicant:
Inventors:
Giichi Sudoh, Chichibu, JP;
Keiichi Minegishi, Kumagaya, JP;
Kanjiro Ishizaki, Chichibu, JP;
Ikuo Uchida, Chichibu, JP;
Assignee:
Chichibu Cement Kabushikikaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
106 90 ; 106104 ; 106117 ;
Abstract
A calcium sulfoaluminate clinker having a calcium sulfoaluminate compound 3CaO.3Al.sub.2 O.sub.3. CaSO.sub.4 as a main component, a Portland cement and a blast furnace granulated slag are mixed to produce cements which prevent the formation of efflorescence.