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. 10, 2007
Filed:
Nov. 13, 2002
Applicants:
Hisayo Masuda, Shimodate, JP;
Katsuji Shibata, Shimotsuma, JP;
Hiroyuki Izawa, Tsukuba, JP;
Ayako Iwamaru, Oyama, JP;
Inventors:
Hisayo Masuda, Shimodate, JP;
Katsuji Shibata, Shimotsuma, JP;
Hiroyuki Izawa, Tsukuba, JP;
Ayako Iwamaru, Oyama, JP;
Assignee:
Hitachi Chemical Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08J 11/04 (2006.01); C07C 69/76 (2006.01);
U.S. Cl.
CPC ...
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.