Invention Grant
- Patent Title: Method for extracting nylon from waste materials
- Patent Title (中): 从废料中提取尼龙的方法
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Application No.: US09852855Application Date: 2001-05-10
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Publication No.: US07659320B2Publication Date: 2010-02-09
- Inventor: Raymond A. Berard
- Applicant: Raymond A. Berard
- Applicant Address: US GA Atlanta
- Assignee: Interface, Inc.
- Current Assignee: Interface, Inc.
- Current Assignee Address: US GA Atlanta
- Agency: Kilpatrick Stockton LLP
- Main IPC: C08J11/08
- IPC: C08J11/08
Abstract:
The invention relates to a method for recovering nylon from a nylon-containing material by contacting the nylon-containing material with an alkanol-containing solvent at elevated temperature and at a pressure higher than the equilibrium pressure of the alkanol-containing solvent at the elevated temperature, thereby dissolving the nylon in the alkanol-containing solvent, removing the alkanol-containing solvent containing dissolved nylon from any undissolved solids, and decreasing the temperature of the alkanol-containing solvent containing dissolved nylon to precipitate the dissolved nylon.
Public/Granted literature
- US20020077375A1 Method for extracting nylon from waste materials Public/Granted day:2002-06-20
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