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:
Mar. 10, 1981
Filed:
Jun. 26, 1979
Applicant:
Inventors:
Minoru Tanaka, Kobe, JP;
Genzo Hashizume, Kobe, JP;
Hiroshi Matsui, Kobe, JP;
Satoru Nakagawa, Kobe, JP;
Assignee:
Hyogo Prefectural Government of Japan, Kobe, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01F / ; C01G / ; C04B / ; C04B / ;
U.S. Cl.
CPC ...
423117 ; 423128 ; 423166 ; 423555 ; 423556 ; 423600 ; 106104 ; 106103 ; 106315 ;
Abstract
This disclosure deals with ettringite whiskers, methods of synthesizing such whiskers and ettringite whisker composites. The ettringite whiskers, having a new crystal form, are 1-2 .mu.m in diameter, 50-100 .mu.m in length and approximately 30-50 of aspect ratio. The ettringite whiskers are especially useful in industry as a high tensile strength reinforcement, they increase self-extinguishability and the productive capacity of making sheets, boards of the like.