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:
Oct. 07, 2003
Filed:
Oct. 07, 1999
Satoshi Nishida, Osaka, JP;
Osamu Kato, Osaka, JP;
Yoshiyuki Nagase, Kobe, JP;
Ryuichi Fukuzato, Osaka, JP;
Masahiro Yamagata, Osaka, JP;
Katsuhisa Kodama, Nishinomiya, JP;
Terukazu Matsuda, Takatsuki, JP;
Shigetoshi Suzuki, Ibaraki-ken, JP;
Takao Naito, Shimizu, JP;
Other;
Abstract
A process for hydrolyzing and recycling polyurethanes as target compounds to be hydrolyzed into raw materials or derivatives thereof for the target compounds, comprising bringing pressurized water in a liquid state at a temperature of 190 to 370° C. into contact with the target compounds in a reactor to hydrolyze the target compound; followed by post-processings, such as dewatering, addition, distillation, separation, and liquid separation for a hydrolyzed reaction product discharged from the reactor.