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:
Jul. 27, 1999
Filed:
Nov. 04, 1996
Takahiro Matsuo, Kyoto, JP;
Masayuki Endo, Osaka, JP;
Masamitsu Shirai, Osaka, JP;
Masahiro Tsunooka, Osaka, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
A patterning material includes a polymer represented by a general formula: ##STR1## wherein R.sub.1 indicates a hydrogen atom or an alkyl group; R.sub.2 indicates a hydrophobic protecting group which is easily desorbed through a function of an acid; R.sub.3 indicates a hydrogen atom or an alkyl group; R.sub.4 and R.sub.5 independently indicate a hydrogen atom, an alkyl group, a phenyl group or an alkenyl group, or together indicate a cyclic alkyl group, a cyclic alkenyl group or a cyclic alkyl or alkenyl group having a phenyl group; x satisfies a relationship of 0<x<1; and y satisfies a relationship of 0<y<1.