Fluids having partially hydrogenated substituted styrene...

Details Fluids having partially hydrogenated substituted styrene... Fluids having partially hydrogenated substituted styrene...

2005-08-17

2009-12-08

Caldarola, Glenn (Department: 1797)

Solid anti-friction devices, materials therefor, lubricant or se

Lubricants or separants for moving solid surfaces and...

Solid hydrocarbon polymer

C585S428000

Reexamination Certificate

active

07629303

ABSTRACT:
A basestock that comprises a fully hydrogenated substituted styrene linear dimer; a partially hydrogenated mono-aromatic substituted styrene linear dimer; and a partially hydrogenated di-aromatic substituted styrene linear dimer. A process of producing a basestock that comprises reacting a feed stream that comprises substituted styrene, alcohol, and a dimerization catalyst, in the presence of a solvent, to form a crude slurry of dimerized substituted styrene; and partially hydrogenating the dimerized substituted styrene with hydrogen over a Group VIII catalyst to form a basestock that comprises a fully hydrogenated substituted styrene linear dimer and a partially hydrogenated substituted styrene linear dimer.

REFERENCES:
patent: 3925217 (1975-12-01), Green et al.
patent: 3994816 (1976-11-01), Wygant
patent: 1 530 430 (1978-01-01), None
patent: 1530430 (1978-11-01), None
patent: 48044240 (1974-09-01), None
patent: 09227888 (1997-02-01), None
patent: 09227888 (1997-09-01), None
Chaudhuri, B., and Sharma, M.M., Ind. Eng. Res. 1989, 28(12), 1757-1763.

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