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. 06, 1986
Filed:
Jan. 26, 1984
Applicant:
Inventors:
Sadaji Matsuura, Numazu, JP;
Yasuo Arai, Kunitachi, JP;
Shigeki Aoki, Tokyo, JP;
Satoru Ando, Fuji, JP;
Assignee:
Fuji Fire-Proof Material Industry Co., Ltd., Shizuoka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D / ;
U.S. Cl.
CPC ...
106 1505 ; 106 1812 ; 106 97 ; 252 62 ;
Abstract
A fire-resistant and light-weight construction board is prepared by treating fly ash and/or paper sludge incineration ash to a swelling treatment with a mineral acid and shaping and hardening the resultant mixture.