| Patent Number |
Title Of Patent |
Date Issued |
| 5284594 |
Dialkylamine complexes of borated alkyl catechols and lubricating oil compositions containing th |
February 8, 1994 |
| Borated alkyl catechols can be stabilized by the addition of certain defined dialkylamines.Lubricating oils containing a borated alkyl catecholdialkylamine complex are effective in reducing oxidation, wear and deposits in an internal combustion engine. |
| 5202039 |
Trialkylamine complexes of certain borated alkyl catechols and lubricating oil compositions cont |
April 13, 1993 |
| Borated alkyl catechols having a 3:2 mole ratio of catechol to boron can be stabilized by the addition of certain defined trialkylamines. Lubricating oils containing a 3:2 borated alkyl catechol-trialkylamine complex are effective in reducing oxidation, wear and deposits in an internal |
| 5160652 |
Dialkylamine complexes of borated higher carbon number alkyl catechols and lubricating oil compo |
November 3, 1992 |
| Lubricating oils containing a borated alkyl catechol-dialkylamine complex are effective in reducing oxidation, wear and deposits in an internal combustion engine. |
| 5160651 |
Trialkylamine complexes of borated higher carbon number alkyl catechols and lubricating oil comp |
November 3, 1992 |
| Borated alkyl catechols having a 3:2 mole ratio of alkyl catechol to boron can be stabilized by the addition of certain defined trialkylamines.Lubricating oils containing a 3:2 borated alkyl catechol-trialkylamine complex are effective in reducing oxidation, wear and deposits in an inter |
| 5160650 |
Monoalkylamine complexes of borated higher carbon number alkyl catechols and lubricating oil com |
November 3, 1992 |
| Borated alkyl catechols can be stabilized by the addition of certain defined monoalkylamines.Lubricating oils containing a borated alkyl catechol-monoalkylamine complex are effective in reducing oxidation, wear and deposits in an internal combustion engine. |
| 5141660 |
Monoalkylamine complexes of borated alkyl catechols and lubricating oil compositions containing |
August 25, 1992 |
| Borated alkyl catechols can be stabilized by the addition of certain defined monoalkylamines.Lubricating oils containing a borated alkyl catecholmonoalkylamine complex are effective in reducing oxidation, wear and deposits in an internal combustion engine. |
| 5102569 |
Method of preparing borated alkyl aromatic polyols |
April 7, 1992 |
| A method of preparing a borated alkylcatechol by first reacting catechol with boric acid and thereafter alkylating with an olefin. |
| 5061390 |
Diethylamine complexes of borated alkyl catechols and lubricating oil compositions containing th |
October 29, 1991 |
| Lubricating oils containing a borated alkyl catechol-diethylamine complex are effective in reducing oxidation, wear and deposits in an internal combustion engine. |
| 5024773 |
Methods for preparing, group II metal overbased sulfurized alkylphenols |
June 18, 1991 |
| The present invention is directed toward a method for preparing Group II metal overbased sulfurized alkylphenols. In particular, the present invention employs a sulfurization catalyst in the preparation of Group II metal overbased sulfurized alkylphenols. Use of a sulfurization catalyst |
| 4975211 |
Diethylamine complexes of borated alkyl catechols and lubricating oil compositions containing th |
December 4, 1990 |
| Borated alkyl catechols can be stabilized by the addition of diethylamine.Lubricating oils containing a borated alkyl catecholdiethylamine complex are effective in reducing oxidation, wear and deposits in an internal combustion engine. |
| 4971710 |
Methods for preparing, Group II metal overbased sulfurized alkylphenols |
November 20, 1990 |
| The present invention is directed toward a method for preparing Group II metal overbased sulfurized alkylphenols. In particular, the present invention employs a sulfurization catalyst in the preparation of Group II metal overbased sulfurized alkylphenols. Use of a sulfurization catalyst |
| 4744921 |
Methods for preparing, group II metal overbased sulfurized alkylphenols |
May 17, 1988 |
| The present invention is directed toward a method for preparing Group II metal overbased sulfurized alkylphenols. In particular, the present invention employs a sulfurization catalyst in the preparation of Group II metal overbased sulfurized alkylphenols. Use of a sulfurization catalyst |
| 4729848 |
Metal salts of alkyl catechol dithiophosphoric acids and oil compositions containing the salts |
March 8, 1988 |
| Metal salts of alkyl catechol esters of dithiophosphoric acid suitable as additives in oil compositions are disclosed. Oil compositions containing the salts of such esters show improved extreme pressure/anti-wear and anti-oxidant properties. |
| 4668409 |
Lubricating oil compositions containing overbased calcium sulfonates and metal salts of alkyl ca |
May 26, 1987 |
| The anti-wear properties of lubricating oil compositions containing overbased calcium sulfonate are improved when a metal salt of an alkyl catechol ester of dithiophosphoric acid is added to the oil. Oil compositions containing this combination are useful as crankcase lubricants. |
| 4643838 |
Normally liquid C.sub.18 to C.sub.24 monoalkyl catechols |
February 17, 1987 |
| This invention relates to normally liquid lubricating oil additives which provide both antioxidant and friction-modifying properties when added to lubricating oil. In particular, this invention relates to C.sub.18 to C.sub.24 alkyl catechol lubricating oil additives which are normally |
| 4632771 |
Normally liquid C.sub.14 to C.sub.18 monoalkyl catechols |
December 30, 1986 |
| This invention relates to normally liquid lubricating oil additives which provide both anti-oxidant and friction-modifying properties when added to lubricating oil. In particular, this invention relates to C.sub.14 to C.sub.18 alkyl catechol lubricating oil additives which are normally |
| 4629578 |
Succinimide complexes of borated alkyl catechols and lubricating oil compositions containing sam |
December 16, 1986 |
| Lubricating oils containing borated alkyl catechols-succinimide complex are effective in reducing fuel consumption in an internal combustion engine. |
| 4629577 |
Method for improving fuel economy of internal combustion engines |
December 16, 1986 |
| Lubricating oils containing borated alkyl catechols and a succinimide have been found to reduce fuel consumption in an internal combustion engine. |
| 4495088 |
Method for improving fuel economy of internal combustion engines |
January 22, 1985 |
| Lubricating oils containing borated fatty acid esters of glycerol and a succinimide have been found to reduce fuel consumption in an internal combustion engine. |
| 4487704 |
Lubricating oil compositions containing an overbased calcium sulfonate and a zinc cyclic hydroca |
December 11, 1984 |
| The anti-wear properties of lubricating oil compositions containing overbased calcium sulfonate are improved when a complex of a zinc salt of a cyclic hydrocarbyl dithiophosphoric acid of 2,4-pentanediol and a succinimide is added to the oil. Oil compositions containing this combinat |
| 4455243 |
Succinimide complexes of borated fatty acid esters of glycerol and lubricating oil compositions |
June 19, 1984 |
| Lubricating oils containing borated fatty acid esters of glycerol-succinimide complex have been found to reduce fuel consumption in an internal combustion engine. |
| 4443360 |
Oil-soluble zinc cyclic hydrocarbyl dithiophosphate-succinimide complex and lubricating oil comp |
April 17, 1984 |
| Oil-insoluble zinc salts of cyclic dithiophosphates are rendered oil soluble when combined to form a complex with alkenyl or alkyl mono- or bis-succinimides. Oil compositions containing this combination are useful as crankcase lubricants. |
| 4406803 |
Method for improving fuel economy of internal combustion engines |
September 27, 1983 |
| Lubricating oils containing oil soluble C.sub.10 -C.sub.30 alkane-1,2-diols have been found to reduce fuel consumption in an internal combustion engine. |
| 4331222 |
Method for reducing brake noise in oil-immersed disc brakes |
May 25, 1982 |
| Lubricating oils containing oil soluble C.sub.8 -C.sub.28 alkane-1,2-diols have been found to reduce brake noise for oil-immersed disc brakes. |
| 4228022 |
Sulfurized alkylphenol-olefin reaction product lubricating oil additive |
October 14, 1980 |
| Disclosed is a novel composition formed from the reaction of (a) an alkylphenol; (b) sulfur; (c) an alkaline earth metal and (d) an olefin. The composition is useful as a lubricating oil additive and provides both oxidation and corrosion control. |
| 4200543 |
Synergistic antioxidant lubricating oil additive composition |
April 29, 1980 |
| Disclosed is a lubricating oil additive composition which imparts improved oxidation properties to internal combustion engine crankcase lubricants which comprises:(1) an antioxidant selected from aromatic or alkyl sulfides and polysulfides, sulfurized olefins, sulfurized carboxylic acid |
| 4148739 |
Antioxidant additive composition and lubricating oil containing same |
April 10, 1979 |
| Disclosed is a lubricating oil additive composition which imparts improved oxidation properties to crankcase lubricants which comprises:(1) an antioxidant selected from aromatic or alkyl sulfides and polysulfides, sulfurized olefins, sulfurized carboxylic acid esters and sulfurized ester |
| 4148738 |
Antioxidant additive composition and lubricating oil containing same |
April 10, 1979 |
| Disclosed is a lubricating oil additive composition which imparts improved oxidation properties to crankcase lubricants which comprises:(1) an antioxidant selected from aromatic or alkyl sulfides and polysulfides, sulfurized olefins, sulfurized carboxylic acid esters and sulfurized ester |
| 4148737 |
Antioxidant additive composition and lubricating oil containing same |
April 10, 1979 |
| Disclosed is a lubricating oil additive composition which imparts improved oxidation properties to crankcase lubricants which comprises:(1) an antioxidant selected from aromatic or alkyl sulfides and polysulfides, sulfurized olefins, sulfurized carboxylic acid esters and sulfurized ester |
| 4051047 |
Group II metal mixed salts of two different organic acids in lubricant |
September 27, 1977 |
| Group II metal mixed salts of: (A) an oil-soluble hydrocarbyl sulfonic acid; and (B) a polyoxyalkylenated sulfuric acid are useful as rust inhibitors in lubricating oil compositions. |
| 4046702 |
Lubricating oil composition |
September 6, 1977 |
| A lubricating oil composition of improved rust-inhibitory capability contains a small amount of a sulfated alcohol having a molecular weight in the range of 500 to 5,000 which is prepared by reacting an aliphatic alcohol or a phenol with ethylene oxide or propylene oxide or mixtures |
| 3954639 |
Lubricating oil composition containing sulfate rust inhibitors |
May 4, 1976 |
| A lubricating oil composition of improved rust inhibitory capability contains a small amount of the sulfate of an oxyalkylenated alcohol or phenol having a molecular weight of about 500-5,000. |
