Patent · US Expired

Method for molding polypropylene resin

US5252269A · kind A · utility

27Cited by
11References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 4, 1991
Grant dateOct 12, 1993
Priority date
Expiry dateOct 4, 2011

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB29C44/10
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A method for molding a foamed particle of a polypropylene resin. The polypropylene resin includes a homopolymer and copolymer of polypropylene resin, as well as a mixture of a polypropylene resin and another resin.

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