Patent · US Expired

Process of recycling waste polymeric material and an article utilizing the same

US5728741A · kind A · utility

33Cited by
28References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 13, 1996
Grant dateMar 17, 1998
Priority date
Expiry dateJun 13, 2016

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S264/913
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

The present invention provides a process for recycling waste polymeric material comprising a mixture of waste polymeric material wherein the waste polymeric material includes from about 15 to 50 percent aliphatic polyamide material; granulating the chopped mixture into fragments at least about 100 times smaller than the size of the waste polymeric material; and extruding the ground mixture at a temperature of less than about the T.sub.g of the lowest melting waste aliphatic polyamide polymeric material.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.