Patent · US Expired

Process of preparation of graft copolymer of styrene and an EPDM rubber

US4412896A · kind A · utility

9Cited by

4References

20Claims

0Family size

Assignee

Societe Chimique des Charbonnages S.A. · FR

Inventors

Maurice Lemattre · Cinqueux, FR
Robert Roussel · Mazingarbe, FR
Rene Wirth · Lens, FR

Key dates

Filing date	Jul 8, 1981
Grant date	Nov 1, 1983
Priority date	—
Expiry date	Jul 8, 2001

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08F255/06
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A process of preparation of a graft copolymer of (a) styrene and (b) an EPDM rubber by mass polymerization followed by irradiation, for example electron irradiation.

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