1,3-dithiolane-2-thione additives for lubricants and fuels

Solid anti-friction devices – materials therefor – lubricant or se – Lubricants or separants for moving solid surfaces and... – Heterocyclic ring compound; a heterocyclic ring is one...

Reexamination Certificate

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Details

C508S302000, C549S030000, C549S062000

Reexamination Certificate

active

07541319

ABSTRACT:
Fuels, especially hydrocarbon fuels, and lubricants, especially lubricating oils, contain a class of anti-corrosion, anti-wear, anti-fatigue, and extreme pressure additives that are derived from 1,3-dithiolane-2-thiones.

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Barbero et al., “Convenient Procedure for Converting 1,3-Dithiolane-2-Thiones into 1,3-Dithiolan-2-Ones” appearing in Journal of the Chemical Society, Perkin Transactions 1, Chemical Society. No. 3, pp. 289-294 (1996).
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