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:
Aug. 02, 2005
Filed:
Oct. 09, 2002
Hideharu Nobutoki, Chiyoda-ku, JP;
Teruhiko Kumada, Chiyoda-ku, JP;
Toshiyuki Toyoshima, Chiyoda-ku, JP;
Naoki Yasuda, Chiyoda-ku, JP;
Suguru Nagae, Chiyoda-ku, JP;
Hideharu Nobutoki, Chiyoda-ku, JP;
Teruhiko Kumada, Chiyoda-ku, JP;
Toshiyuki Toyoshima, Chiyoda-ku, JP;
Naoki Yasuda, Chiyoda-ku, JP;
Suguru Nagae, Chiyoda-ku, JP;
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Abstract
A low dielectric constant material having excellent water resistance comprising a borazine skeleton structure represented by any one of the formulas (2) to (4):wherein Rto Rare independently a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, an aryl group, a substituted aryl group, an alkenyl group, an alkylamino group, an alkoxyl group, a thioalkoxyl group, a carbonyl group, a silyl group, an alkylsilyl group, a phosphino group, an alkyiphosphino group, or a group of the formula: Si(OR)(OR)(OR), provided that at least one of Rto Ris not a hydrogen atom.