Lubricating oils

• US 2,897,152 A
• Filed: 03/04/1957
• Issued: 07/28/1959
• Est. Priority Date: 03/08/1956
• Status: Expired due to Term

• Current Assignee: Descamp Edwards Eric, Scotchford Elliott John
• Original Assignee: Descamp Edwards Eric, Scotchford Elliott John
• Inventors: SCOTCHFORD ELLIOTT JOHN, DESCAMP EDWARDS ERIC
• Application Number:
  US03/643,544
• Time in Patent Office: 876 Days
• US Class Current: 508/276
• CPC Class Codes: C07D 295/21 Radicals derived from sulfur analogues of carbonic acid
• CPC Class Codes: C10M 135/16 thiourea type, i.e. containing the group
• CPC Class Codes: C10M 135/18 thiocarbamic type, e.g. containing the groups
• CPC Class Codes: C10M 2203/10 Petroleum or coal fractions, e.g. tars, solvents, bitumen
• CPC Class Codes: C10M 2207/023 having hydroxy groups bound to carbon atoms of six-membered aromatic rings
• CPC Class Codes: C10M 2207/026 with tertiary alkyl groups
• CPC Class Codes: C10M 2207/123 polycarboxylic
• CPC Class Codes: C10M 2207/129 having hydrocarbon chains of thirty or more carbon atoms
• CPC Class Codes: C10M 2207/22 Acids obtained from polymerised unsaturated acids
• CPC Class Codes: C10M 2207/283 of polyhydroxy compounds
• CPC Class Codes: C10M 2207/288 containing free carboxyl groups
• CPC Class Codes: C10M 2207/289 containing free hydroxy groups
• CPC Class Codes: C10M 2211/08 Halogenated waxes
• CPC Class Codes: C10M 2219/00 Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
• CPC Class Codes: C10M 2219/044 Sulfonic acids, Derivatives thereof, e.g. neutral salts
• CPC Class Codes: C10M 2219/062 having carbon-to-sulfur double bonds
• CPC Class Codes: C10M 2219/066 Thiocarbamic type compounds
• CPC Class Codes: C10M 2219/068 Thiocarbamate metal salts
• CPC Class Codes: C10M 2219/082 containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms
• CPC Class Codes: C10M 2219/083 Dibenzyl sulfide
• CPC Class Codes: C10M 2219/10 : Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring
• CPC Class Codes: C10M 2219/102 : containing sulfur and carbon only in the ring
• CPC Class Codes: C10M 2219/104 : containing sulfur and carbon with nitrogen or oxygen in the ring
• CPC Class Codes: C10M 2219/106 : Thiadiazoles
• CPC Class Codes: C10N 2010/04 : Groups 2 or 12
• CPC Class Codes: C10N 2030/12 : Inhibition of corrosion, e.g. anti-rust agents or anti-corrosives
• CPC Class Codes: C10N 2040/02 : Bearings
• CPC Class Codes: C10N 2040/04 : Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
• CPC Class Codes: C10N 2040/042 : for automatic transmissions
• CPC Class Codes: C10N 2040/044 : for manual transmissions
• CPC Class Codes: C10N 2040/046 : for traction drives
• CPC Class Codes: C10N 2040/135 : Steam engines or turbines

Claims

1. A LUBRICATING COMPOSITION CONSISTING ESSENTIALLY OF A MINERAL LUBRICATING OIL BSE CONTAINING FROM 0.05 PERCENT UP TO 10 PERCENT BY WEIGHT OF A COMPOUND HAVING THE FORMULA: