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US 4,361,506 AGranted
Compositions comprising a poly(methyl ethenyl benzene) resin and mineral oil
AssigneeMobil Oil Corporation
InventorRobert V. Russo
Life of this patent
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Abstract
Blends of a preformed poly(methyl ethenyl benzene) polymer or copolymer derived from an isomers of methyl ethenyl benzenes in which 1-methyl-4-ethenyl benzene is the predominant isomers, and up to about 10 weight percent of mineral oil are disclosed.
Claims7
A polymeric composition comprising a compatible mixture of a preformed polymer or a copolymer containing, in polymerized form, at least 50 weight percent of a monomer mixture comprising 0 to 0.1 percent by weight 1-methyl-2-ethenyl benzene, 0 to 15 percent by weight 1-methyl-3-ethenyl benzene and at least 85 percent by weight 1-methyl-4-ethenyl benzene;
- and 50-0 percent of a different ethylenically unsaturated monomer;
- and 1 to 10 percent by weight of the composition of mineral oil.
Dependencies are inferred from the claim text.