Patent · US Expired

Polymer compositions

US4525533A · kind A · utility

11Cited by
4References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 27, 1984
Grant dateJun 25, 1985
Priority date
Expiry dateMar 27, 2004

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L53/02
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A polymer composition is disclosed which comprises polystyrene, polypropylene and a sequenced copolymer of conjugated diene and vinylaromatic compound such as styrene which has a radial structure. The polymer composition has improved migration properties.

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