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:
Apr. 13, 2010
Filed:
Nov. 06, 2003
Masaru Hidaka, Yamatotakada, JP;
Takaharu Nakagawa, Hirakata, JP;
Toyoyuki Urabe, Ikeda, JP;
Tetsuya Maekawa, Nishinomiya, JP;
Hiroyuki Yoshida, Sakai, JP;
Masaru Hidaka, Yamatotakada, JP;
Takaharu Nakagawa, Hirakata, JP;
Toyoyuki Urabe, Ikeda, JP;
Tetsuya Maekawa, Nishinomiya, JP;
Hiroyuki Yoshida, Sakai, JP;
Panasonic Electric Works Co., Ltd., Kadoma-shi, JP;
Abstract
The present invention relates to a process for decomposing a polymer into a monomer or oligomer by hydrolysis with sub- or supercritical water. The process of the present invention is characterized in that at least a part of the polymer is a polymer comprising a constitutional unit derived from an organic acid in the molecular structure, and the polymer being contacted with sub- or supercritical water in the presence of a water-insoluble base.