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US 4,056,671 AGranted
Styrene acrylonitrile copolymers with high dimensional stability under heat
AssigneeBayer Aktiengesellschaft
InventorsHeinrich Alberts, Herbert Bartl, Richard Prinz
Life of this patent
Estimating the term…
Abstract
Copolymers with improved dimensional stability under heat consisting essentially of (meth)acrylonitrile, styrene and at least one aliphatic monoolefin with 2 to 8 carbon atoms.
Claims3
A copolymer of improved dimensional stability consisting essentially of
- a. 5 to 85% by weight of acrylonitrile or methacrylonitrile,
- b. 14.99 to 94.5% by weight of styrene and
- c. 0.01 to 0.5% by weight of an aliphatic monoolefin having 2 to 18 carbon atoms.
Dependencies are inferred from the claim text.