Patent · US Expired

Interior trim for automobile

US6340531B1 · kind B1 · utility

5Cited by
6References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 10, 1997
Grant dateJan 22, 2002
Priority date
Expiry dateApr 28, 2020

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31913
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

An trim material for the interior of an automobile obtained by successive injection molding. The trim comprises a surface layer and a base layer. The surface layer is formed from a composition comprising: (A) a partially cross-linked thermoplastic elastomer comprising a polypropylene resin and an &agr;-olefin copolymer rubber, and (B) a polybutylene-1 resin. The base layer is formed of a polypropylene resin or a blend of polypropylene resin and an organic filler. The interior trim material is lightweight, is easily recycled, and generates no hazardous gas when incinerated.

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