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. 02, 1987
Filed:
Apr. 24, 1986
Applicant:
Inventors:
Masayoshi Yamaguchi, Oguni, JP;
Kazunori Meguro, Oguni, JP;
Shuitsu Matsuo, Oguni, JP;
Yasumi Sasaki, Nagai, JP;
Assignee:
Toshiba Ceramics Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ; B32B / ; B44C / ;
U.S. Cl.
CPC ...
428141 ; 156656 ; 156657 ; 427309 ; 427399 ; 427444 ; 4283073 ; 4283077 ; 4283128 ; 428409 ; 428689 ;
Abstract
An alumina formed body comprising many long alumina elements oriented in random directions and interconnected so as to constitute a porous matrix comprising a large number of fine pores. Such a body is manufactured by reacting a glass-formed body comprising silica with aluminum at high temperature to form an alumina composite material comprising alumina, aluminum and silicon and removing aluminum and silicon from the aluminum composite material.