Additives for oils

Details Additives for oils Additives for oils

1974-03-28

1976-04-06

Czaja, Donald E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

252 59, 260 336AQ, 260 837, 260 851, 260 942M, 260880B, C08K 501, C08K 515, C10M 118

Patent

active

039488438

ABSTRACT:
Additives for oils prepared by polymerizing by an anionic process at least one vinyl aromatic compound and at least one conjugated diene in the presence of a solvent, followed by hydrogenation of the formed copolymer in the presence of the solvent, in which the solvent is a support oil having a viscosity within the range of 1 to 24 cst at 50.degree.C, a flash point of at least 120.degree.C and a pour point which is no greater than -10.degree.C.

REFERENCES:
patent: 2996459 (1961-08-01), Andersen et al.
patent: 3113986 (1963-12-01), Breslow et al.
patent: 3205278 (1965-09-01), Lapporte
patent: 3595942 (1971-07-01), Wald et al.
patent: 3756977 (1973-09-01), Yoshimoto et al.
patent: 3827999 (1974-08-01), Crossland

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