Patent · US Expired

Process for waste plastic recycling

US5753086A · kind A · utility

20Cited by
10References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 6, 1995
Grant dateMay 19, 1998
Priority date
Expiry dateSep 6, 2015

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10G1/10
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

An apparatus for recycling or decompstiong waste plastic is decomposed in a diluent such as hot oil through actions involving free readical precursors, such as polyvinyl chloride or polyurethane is achieved at low temperatures. The thermal decompostion (or pyrolysis) reaction is for about 1 hour at 375.degree. C. annd usable products, such as distillate, coke and oil are recovered. Additonally the diluent my ber recycled within the apparatus.

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