Method of recovering polyvinyl chloride and apparatus therefor

Details Method of recovering polyvinyl chloride and apparatus therefor Method of recovering polyvinyl chloride and apparatus therefor

2006-01-24

2006-01-24

Wyrozebski, Katarzyna (Department: 1714)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Process of treating scrap or waste product containing solid...

C521S046000

Reexamination Certificate

active

06989404

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.

REFERENCES:
patent: 3912664 (1975-10-01), Wainer
patent: 6172125 (2001-01-01), Vandenhende et al.
patent: 2003/0119925 (2003-06-01), Vandenhende et al.
patent: 617788 (1961-04-01), None
patent: 5-017616 (1993-01-01), None
patent: 6-279614 (1994-10-01), None
patent: 7-171302 (1995-07-01), None
patent: 7-173324 (1995-07-01), None
patent: 7-179651 (1995-07-01), None
patent: 10-81638 (1998-03-01), None
patent: 11-12390 (1999-01-01), None
patent: 11-181146 (1999-07-01), None
patent: 2000-169625 (2000-06-01), None
patent: 2000-226469 (2000-08-01), None
patent: 2001-000946 (2001-01-01), None
patent: 2001-342288 (2001-12-01), None
patent: 01/23463 (2001-04-01), None
patent: 01/70865 (2001-09-01), None

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