Process for preparing polymeric dispersants having alternating p

Details Process for preparing polymeric dispersants having alternating p Process for preparing polymeric dispersants having alternating p

1989-09-29

1992-12-29

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

52631825, 526291, 526329, C08F22204, C08F22202, C08F21414, C08F21814

Patent

active

051752255

ABSTRACT:
A process for preparing an oligomeric copolymer of an unsaturated acidic reactant and a high molecular weight olefin having a sufficient number of carbon atoms such that the resulting copolymer is soluble in lubricating oil and wherein at least 20 weight percent of the total olefin comprises an alkylvinylidene isomer, which process comprises reacting the high molecular weight olefin with the unsaturated acidic reactant in the presence of a solvent which comprises the reaction product of an unsaturated acidic reactant and a high molecular weight olefin.

REFERENCES:
patent: Re28475 (1975-07-01), Blecke et al.
patent: 2542542 (1951-02-01), Lippincott et al.
patent: 4152499 (1979-05-01), Boerzel et al.
patent: 4605808 (1986-08-01), Samson
patent: 5112507 (1992-05-01), Harrison

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