Solid anti-friction devices – materials therefor – lubricant or se – Lubricants or separants for moving solid surfaces and... – Sulfurized compound of indeterminate structure – which is a...
Patent
1997-03-18
2000-04-25
Howard, Jacqueline V.
Solid anti-friction devices, materials therefor, lubricant or se
Lubricants or separants for moving solid surfaces and...
Sulfurized compound of indeterminate structure, which is a...
508345, 568 72, C10M13506
Patent
active
06054418&
ABSTRACT:
A process for sulfurizing a composition of unsaturated fatty ester is described in which said composition is reacted with elemental sulfur in the presence of a promoter that consists of at least one compound with an amine group and in the presence of water. When the sulfur-containing product is separated from an aqueous phase that contains the compound with an amine group, the latter can be reused for several successive sulfurations without substantial loss of activity of the promoter. The compositions of unsaturated fatty esters can be used as additives for lubricating oils or fats.
REFERENCES:
patent: 2644810 (1953-07-01), Beretvas
patent: 3740333 (1973-06-01), Hutchinson
patent: 3926822 (1975-12-01), Habiby
patent: 3986966 (1976-10-01), Wakim
patent: 4119549 (1978-10-01), Davis
patent: 4584113 (1986-04-01), Walsh
patent: 4959168 (1990-09-01), Scroeck
patent: 5338468 (1994-08-01), Arvizzigno et al.
Born Maurice
Delfort Bruno
Lacome Thierry
Howard Jacqueline V.
Institut Francais du Pe'trole
Toomer Cephia D.
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