Mineral-base lubricating oils and methods for using same

• US 2,849,398 A
• Filed: 08/19/1953
• Issued: 08/26/1958
• Est. Priority Date: 08/19/1953
• Status: Expired due to Term

• Current Assignee: Alexander H. Popkin, Leonard E. Molldy
• Original Assignee: Alexander H. Popkin, Leonard E. Molldy
• Inventors: Molldy, Leonard E., Popkin, Alexander H.
• Application Number:
  US03/375,137
• Time in Patent Office: 1,833 Days
• US Class Current: 508/357
• CPC Class Codes: C10M 165/00 Lubricating compositions characterised by the additive being a mixture of a macromolecular compound and a compound of unknown or incompletely defined constitution, each of these compounds being essential
• CPC Class Codes: C10M 167/00 Lubricating compositions characterised by the additive being a mixture of a macromolecular compound, a non-macromolecular compound and a compound of unknown or incompletely defined constitution, each of these compounds being essential
• CPC Class Codes: C10M 2205/00 Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
• CPC Class Codes: C10M 2205/026 Butene
• CPC Class Codes: C10M 2205/04 containing aromatic monomers, e.g. styrene
• CPC Class Codes: C10M 2205/173 used as base material
• CPC Class Codes: C10M 2205/22 Alkylation reaction products with aromatic type compounds, e.g. Friedel-crafts
• CPC Class Codes: C10M 2207/023 having hydroxy groups bound to carbon atoms of six-membered aromatic rings
• CPC Class Codes: C10M 2207/024 having at least two phenol groups but no condensed ring
• CPC Class Codes: C10M 2207/027 Neutral salts thereof
• CPC Class Codes: C10M 2207/04 Ethers; Acetals; Ortho-esters; Ortho-carbonates
• CPC Class Codes: C10M 2207/125 having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
• CPC Class Codes: C10M 2207/129 having hydrocarbon chains of thirty or more carbon atoms
• CPC Class Codes: C10M 2207/28 Esters epoxidised esters C10M2207/24
• CPC Class Codes: C10M 2207/282 of (cyclo)aliphatic oolycarboxylic acids
• CPC Class Codes: C10M 2207/289 containing free hydroxy groups
• CPC Class Codes: C10M 2207/304 derived from the combination of monohydroxy compounds, dihydroxy compounds and dicarboxylic acids only and having no free hydroxy or carboxyl groups
• CPC Class Codes: C10M 2207/34 Esters having a hydrocarbon substituent of thirty or more carbon atoms, e.g. substituted succinic acid derivatives
• CPC Class Codes: C10M 2209/04 containing monomers having an unsaturated radical bound to an alcohol or ester thereof; bound to an aldehyde, ketonic, ether, ketal or acetal radical
• CPC Class Codes: C10M 2209/06 containing monomers having an unsaturated radical bound to an acyloxy radical of saturated carboxylic or carbonic acid
• CPC Class Codes: C10M 2209/062 : Vinyl esters of saturated carboxylic or carbonic acids, e.g. vinyl acetate
• CPC Class Codes: C10M 2209/084 : Acrylate; Methacrylate
• CPC Class Codes: C10M 2209/086 : polycarboxylic, e.g. maleic acid
• CPC Class Codes: C10M 2209/102 : Polyesters
• CPC Class Codes: C10M 2209/103 : Polyethers, i.e. containing di- or higher polyoxyalkylene groups
• CPC Class Codes: C10M 2209/104 : of alkylene oxides containing two carbon atoms only
• CPC Class Codes: C10M 2209/108 : etherified
• CPC Class Codes: C10M 2209/11 : Complex polyesters
• 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 2219/082 : containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms
• CPC Class Codes: C10M 2219/085 : containing carboxyl groups; Derivatives thereof
• CPC Class Codes: C10M 2219/087 : containing hydroxy groups; Derivatives thereof, e.g. sulfurised phenols
• CPC Class Codes: C10M 2219/088 : Neutral salts
• CPC Class Codes: C10M 2219/089 : Overbased salts
• CPC Class Codes: C10M 2219/108 : Phenothiazine
• CPC Class Codes: C10M 2223/04 : Phosphate esters
• CPC Class Codes: C10M 2223/042 : Metal salts thereof
• CPC Class Codes: C10M 2223/045 : Metal containing thio derivatives
• CPC Class Codes: C10M 2223/12 : obtained by phosphorisation of organic compounds, e.g. with PxSy, PxSyHal or PxOy
• CPC Class Codes: C10M 2225/04 : obtained by phosphorisation of macromolecualr compounds not containing phosphorus in the monomers
• CPC Class Codes: C10M 2225/041 : Hydrocarbon polymers
• CPC Class Codes: C10N 2010/04 : Groups 2 or 12
• CPC Class Codes: C10N 2010/08 : Groups 4 or 14
• CPC Class Codes: C10N 2010/12 : Groups 6 or 16
• CPC Class Codes: C10N 2010/14 : Group 7
• CPC Class Codes: C10N 2010/16 : Groups 8, 9, or 10

Claims

1. A LUBRICATING OIL COMPOSITION HAVING A RESINIFICATION INDES LESS THAN 20 MG./5 GR., COMPRISING AT LEAST 75 WEIGHT PERCENT OF A PETROLEUM OIL HAVING AN INITIAL BOILING POINT ABOVE 300*F. AND A FINAL BOILING POINT BELOW 600*F., BOTH AT 10 MM. HG ABS., A VISCOSITYIN THE RANGE OF 50 TO 160 S. U. S. AT 100* F. AND IN THE RANGE OF 33 TO 50 S. U. S. AT 210*F., A POUR POINT BELOW 15*F. AND A RESINIFICATION INDEX LESS THAN 10 MG./5 GR., AND UP TO 25 WEIGHT PERCENT OF ADDITIVES IMPROVING THE PROPERTIES OF SAID COMPOSITION, SAID ADDITIVES INCLUDING THE RANGE OF 1 TO 15 WEIGHT PERCENT OF A VISCOSITY INDEX INPROVER SELECTED FROM THE GROUP CONSISTING OF POLUOFINS HAVING A MOLECULAR WEIGHT IN THE RANGE OF 5,000 TO 50.000 AND POLYMETHACTYLATE ESTER;

IN THE RANGE OF 1 TO 15 WEIGHT PERCENT OF A DETERGENT CONSISTING OF A PHOSPHOSULFURIZED HYDROCARBON HAVING A MOLECULAR WEIGHT IN THE RANGE OF 300 TO 30,000 NEUTRILIZED WITH A METAL CONTAINING REAGENT;

AND IN THE RANGE OF 0.01 TO 5 WEIGHT PERCENT OF A ZINC DIALKYL DITHIOPHOSPHATE AS AN ANTIOXIDANT.