Invention Grant
- Patent Title: Method for producing regenerated fluororesin and regenerated fluororesin article
- Patent Title (中): 生产再生氟树脂和再生氟树脂制品的方法
-
Application No.: US10333458Application Date: 2001-07-19
-
Publication No.: US07223800B2Publication Date: 2007-05-29
- Inventor: Masaji Komori , Takuya Arase
- Applicant: Masaji Komori , Takuya Arase
- Applicant Address: JP Osaka
- Assignee: Daikin Industries, Ltd.
- Current Assignee: Daikin Industries, Ltd.
- Current Assignee Address: JP Osaka
- Agency: Sughrue Mion, PLLC
- Priority: JP2000-222804 20000724
- International Application: PCT/JP01/06282 WO 20010719
- International Announcement: WO02/08325 WO 20020131
- Main IPC: C08J11/06
- IPC: C08J11/06 ; C08J11/04 ; C08J3/00

Abstract:
A method for producing a regenerated fluororesin, characterized in that it comprises subjecting a used melt-molded fluororesin article to a heat treatment at a temperature of from room temperature to the melting point of the resin; a method for producing a regenerated fluororesin, characterized in that it comprises subjecting a used melt-molded fluororesin article to a supercritical washing treatment at a temperature of from room temperature to the melting point of the resin; and a regenerated fluororesin article containing substantially no impurities which is obtainable by the above method.
Public/Granted literature
- US20030125400A1 Method for producing regenerated fluororesin and regenerated fluororesin article Public/Granted day:2003-07-03
Information query