Patents Examined by Sameul A. Acquah - Justia Patents Search

Patents Examined by Sameul A. Acquah

Method for dissolving saturated polyester solution for decomposing saturated polyester and method for decomposition using the same

Patent number: 7202283

Abstract: The present invention provides a dissolution method for saturated polyester capable of recycling saturated polyester used in fibers, a film, a bottle and others with ease and a low cost, a solution decomposing saturated polyester and a decomposition method using the solution.

Type: Grant

Filed: November 13, 2002

Date of Patent: April 10, 2007

Assignee: Hitachi Chemical Co., Ltd.

Inventors: Hisayo Masuda, Katsuji Shibata, Hiroyuki Izawa, Ayako Iwamaru