Multifunctional viscosity index improver containing phenothiazine

United States of America Patent

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Jun 13, 1995
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N/A
app pub date
Jun 1, 1994
filing date
Apr 24, 1991

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Expired

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Abstract

Multi-functional viscosity index improvers for lubricating oils containing an EPM or EPDM polymer onto which has been grafted an unsaturated functional monomer containing phenothiazine.

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DSM COPOLYMER INC	5955 SCENIC HIGHWAY BATON ROUGE LA 70805

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Inventor Name	Address	# of filed Patents	Total Citations
Biggs, Robert T	Walden, NY	9	76
Kapuscinski, Maria M	Carmel, NY	33	295
Kaufman, Benjamin J	Hopewell Junction, NY	81	531
Nalesnik, Theodore E	Wappingers Falls, NY	60	996

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Multifunctional viscosity index improver containing phenothiazine

Number of patents in Portfolio can not be more than 2000

United States of America Patent

08252390

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PATENT NO	5424366
SERIAL NO	08252390
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08252390

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