Patent · US Expired

Expanded polypropylene granule composition

US6914085B2 · kind B2 · utility

6Cited by

4References

17Claims

0Family size

Assignee

BP Belgium NV · BE

Inventors

Emmanuel Delaite · Braine-le-Comte, BE
Herve Cuypers · Céroux-Mousty, BE

Key dates

Filing date	Jun 17, 2002
Grant date	Jul 5, 2005
Priority date	—
Expiry date	Jul 10, 2022

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S521/909
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Expanded granules or a moulded article made therefrom, based on semicrystalline propylene polymer comprising, per 100 parts by weight, less than 0.035 parts by weight of volatile compounds and processes for its preparation.

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