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:
Sep. 12, 2006
Filed:
Nov. 09, 2004
Satoshi Suzuki, Tokyo-To, JP;
Masato Okada, Tokyo-To, JP;
Yoshinobu Kashibuchi, Hiratsuka, JP;
Tohru Kobayashi, Hiratsuka, JP;
Satoshi Suzuki, Tokyo-To, JP;
Masato Okada, Tokyo-To, JP;
Yoshinobu Kashibuchi, Hiratsuka, JP;
Tohru Kobayashi, Hiratsuka, JP;
Dai Nippon Printing Co., Ltd., Shinjuku-Ku, JP;
Takasago International Corporation, Ohta-Ku, JP;
Abstract
There is provided a charge transport material which can easily be coated to form a film, is less likely to be crystallized during or after film formation, has excellent charge transport capability, and high applicability to electronic devices. A charge transport monomer comprising conventional CBP with a specific substituent introduced thereinto is polymerized to prepare a polymer which is brought to a charge transport material comprising this polymer.