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:
Jan. 24, 2006
Filed:
Mar. 22, 2002
Koji Yamamoto, Kobe, JP;
Takeharu Tanaka, Kobe, JP;
Koji Yamamoto, Kobe, JP;
Takeharu Tanaka, Kobe, JP;
Kabushiki Kaisha Kobe Seiko Sho, Kobe, JP;
Abstract
Disclosed is a polyvinyl chloride recovering method for recovering polyvinyl chloride from waste including polyvinyl chloride by a continuous operation, and an system for carrying out the method, wherein the method comprises: an insoluble solid matter removing process of removing insoluble solid matters from a hot mixture of a solvent capable of dissolving polyvinyl chloride, and the waste; a solidifying process of solidifying polyvinyl chloride in water by bringing hot water into contact with a solution obtained by removing the insoluble solid matters from the hot mixture to remove the solvent; and a separating process of separating the solidified polyvinyl chloride from the water.