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. 18, 2014
Filed:
Sep. 14, 2009
Hideharu Nobutoki, Tokyo, JP;
Teruhiko Kumada, Tokyo, JP;
Toshiyuki Toyoshima, Tokyo, JP;
Naoki Yasuda, Tokyo, JP;
Suguru Nagae, Tokyo, JP;
Hideharu Nobutoki, Tokyo, JP;
Teruhiko Kumada, Tokyo, JP;
Toshiyuki Toyoshima, Tokyo, JP;
Naoki Yasuda, Tokyo, JP;
Suguru Nagae, Tokyo, JP;
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Abstract
A low dielectric constant material having an excellent water resistance obtained by heat-treating a borazine compound of the formula (1-2): or an inorganic or organic compound having a group derived from the borazine compound (1-2) to undergo a condensation reaction, thereby producing an oligomer or polymer, 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 amino group, an alkylamino group, an alkoxyl group, a thioalkoxyl group, a carbonyl group, a silyl group, an alkylsilyl group, a phosphino group, an alkylphosphino group, or a group of the formula: Si(OR)(OR)(OR), and at least one of Rto Ris not hydrogen atom.