Solid anti-friction devices – materials therefor – lubricant or se – Lubricants or separants for moving solid surfaces and... – Organic sulfur compound – wherein the sulfur is single bonded...
Patent
1995-01-25
1996-07-16
Willis, Jr., Prince
Solid anti-friction devices, materials therefor, lubricant or se
Lubricants or separants for moving solid surfaces and...
Organic sulfur compound, wherein the sulfur is single bonded...
252353, 556 69, 556 76, 508418, C10M13510
Patent
active
055364241
ABSTRACT:
New sulfonated bismuth compounds and the preparation thereof are described. These new compounds can be represented by the following general formulae: ##STR1## where R.sub.1 represents a monovalent linear or branched aliphatic hydrocarbonaceous radical containing 8 to 36 atoms of carbon, and R.sub.2 represents an atom of hydrogen or a monovalent linear or branched aliphatic hydrocarbonaceous radical containing 8 to 36 atoms of carbon. These compounds, which possess surface-active and wear-fighting properties, are used as fuel additives. They can also serve as starting materials in the manufacture of overbased colloidal products usable as lubricant additives by carbonation of at least one calcium, barium, or magnesium oxide or hydroxide, the carbonate formed being kept as a colloidal dispersion in an organic medium by using at least one of the sulfonated bismuth compounds (I) and (II).
REFERENCES:
patent: 3929650 (1975-12-01), King et al.
patent: 4198317 (1980-04-01), Bertus et al.
Kapoor, Pratibha. "Preparation and Characterization of para-toluenesulphonato complexes of arsenic (III), antimony (III) and bismuth (III)". Indian Journal of Chemistry, 29A (Oct. 1990), 982-985.
Born Maurice
Daoudal Bertrand
Delfort Bruno
Lallement Jacques
Institute Francais du Petrole
Toomer Cephia D.
Willis Jr. Prince
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