Colloidal thio-phosphorous products derived from colloidal lime,

Details Colloidal thio-phosphorous products derived from colloidal lime, Colloidal thio-phosphorous products derived from colloidal lime,

1997-11-06

1999-11-16

Johnson, Jerry D.

Solid anti-friction devices, materials therefor, lubricant or se

Lubricants or separants for moving solid surfaces and...

Phosphosulfurized or phosphooxidized organic compound of...

508350, 508391, 508398, 516 33, C10M15924, C10M15920, B01J 1300

Patent

active

059858052

ABSTRACT:
Novel colloidal calcium thio-phosphorous products are described which can be obtained by a process comprising adding at least one phosphorus sulphide to colloidal lime in the presence of solvent, then heating the mixture, with stirring, then eliminating the solvent. These products can be used as anti-wear and extreme pressure additives in lubricating oils.

REFERENCES:
patent: 2451346 (1948-10-01), McNab et al.
patent: 2465902 (1949-03-01), McNab et al.
patent: 2483270 (1949-09-01), Fischer
patent: 3655558 (1972-04-01), Geyer et al.
patent: 5756432 (1998-05-01), Born et al.

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