Class 508/200 - Benzene ring containing

Subclass of Class 508 - Solid anti-friction devices, materials therefor, lubricant or separant compositions for moving solid surfaces, and miscellaneous mineral oil compositions
Definition: Compositions wherein the boron component contains a benzene
No. of patents: 24
Last issue date: 02/12/2008

Number	Title	Issue Date
7329772	Method for the preparation of a hydroxyalkyl hindered phenolic antioxidant A method of making a hindered phenolic antioxidant is disclosed wherein the method comprises: reacting an ester of the formula: wherein ...	02/12/2008
5827805	Condensates of alkyl phenols and glyoxal and products derived therefrom Compositions represented by the structures ##STR1## where Ar represents an aromatic group, each R is independently a hydrocarbyl group, at least one R having more than 12 carbon atoms, a is 1 to 4, and R' is hydrogen or alkyl, are useful as lubricant...	10/27/1998
5783528	Synthetic lubricant based on enhanced performance of synthetic ester fluids An improved lubricant is provided by combining ester lubricants with alkylated polyaromatic lubricants. This combination provides a lubricant that exhibits the oxidation/varnish control of alkylated naphthenics, while at the same time providing the high t...	07/21/1998
5310493	Stabilized brake fluids containing metal borohydride and butylated hydroxytoluenes In a composition having one or more glycol-based diluents, one or more lubricants, and one or more inhibitors, the improvement comprising: (A) 0.001 to 1.0 percent by weight of one or more butylated hydroxytoluenes, and (B) 0.001 to 1.0 percent by weight ...	05/10/1994
5284594	Dialkylamine complexes of borated alkyl catechols and lubricating oil compositions containing the same 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....	02/08/1994
5252237	Complex alkoxy borates of alkylated phenols as lubricant stabilizers Alkoxy borates of alkylated phenols have been found to be effective cleanliness agents for lubricants and additives for improving the dropping point of greases....	10/12/1993
5242610	Grease composition The invention is an improved grease composition comprising a major proportion of a grease, a hydroxy-containing soap thickener and a minor amount of a compound prepared by reacting a boron compound with an organic compound containing oxygen, sulfur and/or...	09/07/1993
5240624	Boron-containing compositions and lubricants containing them Boron-containing compositions are prepared by the reaction of boric acid with the condensation product (which may be formed in situ) of a hydroxyaromatic compound)preferably a phenol) with an aromatic or aliphatic aldehyde (preferably formaldehyde). These...	08/31/1993
5211863	Grease composition The invention is a grease composition comprising a major proportion of a grease, a hydroxy-containing soap thickener and a minor amount of a compound prepared by reacting a boron compound with an organic compound containing oxygen, sulfur and/or nitrogen....	05/18/1993
5202039	Trialkylamine complexes of certain borated alkyl catechols and lubricating oil compositions containing the same 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, w...	04/13/1993
5160652	Dialkylamine complexes of borated higher carbon number alkyl catechols and lubricating oil compositions containing the same Lubricating oils containing a borated alkyl catechol-dialkylamine complex are effective in reducing oxidation, wear and deposits in an internal combustion engine....	11/03/1992
5160651	Trialkylamine complexes of borated higher carbon number alkyl catechols and lubricating oil compositions containing the same 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, ...	11/03/1992
5160650	Monoalkylamine complexes of borated higher carbon number alkyl catechols and lubricating oil compositions containing the same 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 engi...	11/03/1992
5141660	Monoalkylamine complexes of borated alkyl catechols and lubricating oil compositions containing the same 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 engin...	08/25/1992
5061390	Diethylamine complexes of borated alkyl catechols and lubricating oil compositions containing the same Lubricating oils containing a borated alkyl catechol-diethylamine complex are effective in reducing oxidation, wear and deposits in an internal combustion engine....	10/29/1991
4927553	Haze-free boronated antioxidant An additive composition of boronated phenolic antioxidant and anti-haze diol capable of complexing with boric acid as well as organic material protected by the additive composition. A hydrolytically stable additive composition comprising a boronated pheno...	05/22/1990
4781850	Grease compositions containing borated catechol compounds and hydroxy-containing soap thickeners Disclosed is a grease composition comprising a major proportion of a grease, a hydroxy-containing soap thickener and a minor amount of a boronated catechol compound. The hydroxy-containing soap thickener and boronated catechol (ortho dihydroxybenzene) com...	11/01/1988
4655948	Grease compositions containing borated catechol compounds and hydroxy-containing soap thickeners Disclosed is a grease composition comprising a major proportion of a grease, a hydroxy-containing soap thickener and a minor amount of a boronated catechol compound. The hydroxy-containing soap thickener and boronated catechol (ortho dihydroxybenzene) com...	04/07/1987
4629577	Method for improving fuel economy of internal combustion engines Lubricating oils containing borated alkyl catechols and a succinimide have been found to reduce fuel consumption in an internal combustion engine....	12/16/1986
4530770	Phenol-hindered phenol borates and lubricant compositions containing same The invention provides phenol-hindered phenol borates as lubricant and fuel additives. They provide exceptional antioxidant properties in these media....	07/23/1985
4519926	Polyborate esters and their use in lubricants Polyborate ester compositions are prepared by reacting ortho-boric acid with at least one alcohol or phenol in a substantially inert organic liquid, which is immiscible with water and has a boiling point in the range from about 80° to about 300° C. at s...	05/28/1985
4392973	Method for transmitting power by traction utilizing borate esters as traction fluids and a device for using the method A method for transmitting power by traction wherein the traction fluid is a borate ester having the general formula: ##STR1## where R1 is a saturated or unsaturated mono-cyclic group with from 1 to 5 side groups having from 1 to 20 carbon ...	07/12/1983
4353807	Lubricants and fuels containing boroxarophenanthrene compounds The present invention relates to 9-hydroxy-9,10-boroxarophenanthrene compositions which are particularly suitable additives to improve the stability of lubricating oils and fuel compositions. More particularly, esters of 9-hydroxy-9,10-boroxarophenanthren...	10/12/1982
4335005	Lubricant compositions containing metal antifatigue additives Compositions comprising arylboronic acid and substituted arylboronic acid are employed as lubricant additives to impart anti-fatigue properties to metals. In an embodiment, approximately one weight percent of phenylboronic acid added to a polyurea thicken...	06/15/1982

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Class 508/200 - Benzene ring containing