Ashless antiwear-antioxidant lubricating oil additive

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5405544
SERIAL NO

08100803

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Beta-hydroxyalkyl-bis(alkylthiomethylphenyl) dithiophosphate esters represented by the formulas ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are each H, a (C.sub.1 -C.sub.40) alkyl group, --CH.sub.2 SR, --C.sub.6 H.sub.5 or --C.sub.6 H.sub.4 --R.sub.5 providing at least one of R.sub.1, R.sub.2 and R.sub.3 is --CH.sub.2 SR; R.sub.4 is H or a (C.sub.1 -C.sub.40) alkyl group; R is H or a (C.sub.1 -C.sub.40) alkyl group, --C.sub.6 H.sub.5 or --C.sub.6 H.sub.4 --R.sub.5 ; and R.sub.5 is a (C.sub.1 -C.sub.40) alkyl group.

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Patent Owner(s)

Patent OwnerAddress
SUNTRUST BANK AS ADMINISTRATIVE AGENT303 PEACHTREE STREET N E 23RD FLOOR ATLANTA GA 30308

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dancy, Julian H Poughkeepsie, NY 3 33
Esche, Jr Carl K Wappingers Falls, NY 8 89
Love, Doris Fishkill, NY 7 105

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