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:
Nov. 30, 1999
Filed:
Feb. 09, 1998
Masaharu Nishihara, Marugame, JP;
Masaaki Nishikawa, Kagawa-ken, JP;
Suminori Tanaka, Kagawa-ken, JP;
Nanao Horiishi, Hiroshima, JP;
Satoru Saito, Hiroshima, JP;
Naruo Yokoyama, Hiroshima, JP;
Kazuyuki Hayashi, Hiroshima, JP;
Masayuki Watanabe, Hiroshima, JP;
Toda Kogyo Corporation, , JP;
Abstract
The disclosure describes plastic formed products comprising: one selected from the group consisting of a thermoplastic resin and a thermosetting resin; and 0.1 to 10 wt % of at least one selected from the group consisting of ferric oxide hydroxide particles, hematite particles, magnetite particles and maghemite particles; wherein (1) the average major axial diameter or the plate diameter of said ferric oxide hydroxide particles is 0.02 or 2.0 .mu.m and the average aspect ratio or the plate ratio thereof is 2 to 20, (2) the average particle size of said hematite particles, magnetite particles and maghemite particles is 0.01 to 1.0, the BET specific surface area thereof is 1 to 120 m.sup.2 /g and the water content on the surfaces thereof is not less than 0.02 wt %/m.sup.2 /g.