Process for producing zinc dialkyldithiophosphates...

Organic compounds -- part of the class 532-570 series – Organic compounds – Phosphorus acids or salts thereof

Reexamination Certificate

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Details

C562S026000, C568S014000

Reexamination Certificate

active

10702808

ABSTRACT:
In general terms, the present invention includes a process for producing a new zinc dialkyldithiophosphate (ZDDP) offering improved seal compatibility characteristics in engine and transmission oil packages. The present invention additionally includes zinc dialkyldithiophosphate produced in accordance with the disclosed methodologies, and oil additives, lubricants, and engines and transmission comprising the zinc dialkyldithiophosphate of the present invention.

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