Patent · US Expired

Polyblends of PVC and styrene-maleic anhydride-rubber copolymers

US4311806A · kind A · utility

14Cited by
7References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 17, 1981
Grant dateJan 19, 1982
Priority date
Expiry dateMar 17, 2001

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L51/06
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Rubber modified copolymers of styrene and maleic anhydride can be blended with polyvinyl chloride and optional impact modifiers to produce compositions with advantageous properties.

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