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.

Date of Patent:
Sep. 26, 2000

Filed:

Dec. 12, 1997
Applicant:
Inventors:

Takeshi Sako, Tsukuba, JP;

Masahito Sato, Chikushino, JP;

Tsutomu Sugeta, Tsukuba, JP;

Katsuto Otake, Tsukuba, JP;

Makoto Okano, Toride, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A62D / ;
U.S. Cl.
CPC ...
588205 ; 588206 ; 588207 ; 588208 ; 588213 ;
Abstract

A method of decomposing a polychlorobiphenyl compound-containing material into an unharmful state, wherein the material is treated with a supercritical water containing an alkaline substance at a temperature higher than the critical temperature of water and a pressure higher than the critical pressure of water.


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