| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 508567000 | Organic sulfur compound (e.g., mercaptans, etc.) | 14 |
| 20090062167 | REFRIGERATING MACHINE OIL COMPOSITION - The refrigerating machine oil composition of the invention is characterized by containing a mixed base oil which has a kinematic viscosity at 40° C. of 0.11 to 8 mm | 03-05-2009 |
| 20100029527 | Lubricating oil additive and lubricating oil composition containing same - An overbased salt of an oligomerized alkylhydroxyaromatic compound is disclosed, wherein the alkyl group of the alkylhydroxyaromatic compound is derived from an olefin mixture comprising propylene oligomers having an initial boiling point of at least about 195° C. and a final boiling point of no more than about 325° C. as measured by ASTM D86. Also disclosed is a lubricating oil composition containing at least (a) a major amount of an oil of lubricating viscosity and (b) the overbased salt of the oligomerized alkylhydroxyaromatic compound. | 02-04-2010 |
| 20110124539 | Process for making an overbased, sulfurized salt of an alkylated hydroxyaromatic compound - An overbased, sulfurized salt of at least one alkylated hydroxyaromatic compound, wherein the alkyl substituent of the hydroxyaromatic compound is a residue of at least one isomerized olefin having from about 15 to about 99 wt. % branching is disclosed. The overbased, sulfurized salt of at least one alkylated hydroxyaromatic compound is produced by the process comprising: (a) alkylating at least one hydroxyaromatic compound with at least one isomerized olefin having from about 15 to about 99 wt. % branching obtained by isomerizing at least one normal alpha olefin having from about 10 to about 40 carbon atoms, to provide at least one alkylated hydroxyaromatic compound; (b) neutralizing and sulfurizing the alkylated hydroxyaromatic compound in any order to provide at least one neutralized, sulfurized alkylated hydroxyaromatic compound; and (c) overbasing the at least one neutralized, sulfurized alkylated hydroxyaromatic compound. | 05-26-2011 |
| 20120196782 | Rock Drill Oil - Provided is a lubricating oil composition suitable for use in rotary pneumatic and reciprocating tools, comprising a Fischer-Tropsch base oil, a friction modifier based on synthetic ester and a sulfurized extreme pressure agent. The present lubricating oil composition has superior wear, friction and extreme pressure characteristics. | 08-02-2012 |
| 20140142015 | SOLVENT EXTRACTION FOR PREPARING A SALT OF A SULFURIZED ALKYL-SUBSTITUTED HYDROXYAROMATIC COMPOSITION - Disclosed is a process for preparing a salt of a sulfurized alkyl-substituted hydroxyaromatic composition having a reduced content of unsulfurized alkyl-substituted hydroxyaromatic compound and its unsulfurized metal salt. The process involves at least the steps of: (a) providing a composition comprising (i) a salt of a sulfurized alkyl-substituted hydroxyaromatic compound; (ii) an unsulfurized alkyl-substituted hydroxyaromatic compound and (iii) an unsulfurized metal salt of the alkyl-substituted hydroxyaromatic compound; wherein the alkyl-substituted hydroxyaromatic compound is derived from alkylation of a hydroxyaromatic compound with one or more olefins comprising C | 05-22-2014 |
| 508568000 | Sulfur multiple bonded to another, different, atom (e.g., thioketones, sulfones, etc.) | 1 |
| 20100323936 | LUBRICANT BASE OILS AND LUBRICANT COMPOSITIONS AND METHOD FOR MAKING THEM - A liquid lubricant base oil composition comprising (i) a base stock comprising at least 95% by weight saturated hydrocarbons such as for example a Group II base stock, a Group III base stock and/or a base stock derived from Fischer-Tropsch synthesised, waxy, paraffinic hydrocarbon material and (ii) 0.2 to 30% by weight of an aromatic extract which has a dimethyl sulphoxide extractable polycyclic aromatics content of less than 3 weight % may be made by blending the components together and may be used with one or more additives in a lubricant composition which may be used in applications such as marine engine lubricants. | 12-23-2010 |
| 508569000 | Sulfides (i.e., plural carbons bonded directly to a single sulfur atom or sulfur chain) | 8 |
| 20110124540 | MULTI-RING ANTIOXIDANTS WITH ANTIWEAR PROPERTIES - Described are multi-ring antioxidant products comprising at least one sulfur-bridged aromatic hydrocarbon compound substituted on at least one of its aromatic rings by at least one sterically hindered 3,5-dihydrocarbyl-4-hydroxybenzyl moiety. Such products have the formula: R—S | 05-26-2011 |
| 20130012420 | LUBRICATING OIL COMPOSITION FOR CHILLER - It is to provide a lubricating oil composition for a refrigerating machine that has a low global warming potential, and that is used for a refrigerating machine using a refrigerant having a particular structure, such as an unsaturated fluorinated hydrocarbon compound, which is a refrigerant capable of being used for existing car air conditioner system, air conditioners and the like, and that has excellent compatibility with a refrigerant and excellent thermal and chemical stability, in which the lubricating oil composition is used for a refrigerating machine using a refrigerant containing at least one fluorine-containing organic compound selected from compounds represented by the following molecular formula (A), or a combination of the fluorine-containing organic compound and a saturated fluorinated hydrocarbon compound, and contains a base oil and a sulfur-containing aromatic compound: C | 01-10-2013 |
| 20130109604 | LOW VISCOSITY LUBRICATING OIL BASE STOCKS AND PROCESSES FOR PREPARING SAME | 05-02-2013 |
| 508570000 | Halogen, oxygen or additional sulfur attached indirectly to the sulfur atom or sulfur chain by acyclic nonionic bonding | 2 |
| 20140038871 | MULTI-RING ANTIOXIDANTS WITH ANTIWEAR PROPERTIES - Described are multi-ring antioxidant products comprising at least one sulfur-bridged aromatic hydrocarbon compound substituted on at least one of its aromatic rings by at least one sterically hindered 3,5-dihydrocarbyl-4-hydroxybenzyl moiety. Such products have the formula: | 02-06-2014 |
| 20160097016 | DIALKYL POLYSULFIDE, PROCESS FOR PREPARING DIALKYL POLYSULFIDE, EXTREME PRESSURE ADDITIVE, AND LUBRICATING FLUID COMPOSITION - The present invention provides a dialkyl polysulfide which can be suitably used as an extreme pressure additive that can be added to a lubricant in a wide range of amounts, that enables effective formation of a film of a metal sulfide on a metal surface, and that is less likely to cause corrosion of the metal surface. In particular, provided is a dialkyl polysulfide containing compounds represented by General Formula (1) (where R | 04-07-2016 |
| 508572000 | Having plural -OH substituted benzene rings bonded directly to the sulfur atom or sulfur chain wherein H of-OH may be replaced by metal or ammonium; (e.g., sulfurized calcium alkylphenolates, etc.) | 3 |
| 20090143264 | SULFURIZED METAL ALKYL PHENATE COMPOSITIONS HAVING A LOW ALKYL PHENOL CONTENT - Provided herein are sulfurized metal alkyl phenate compositions having a low alkyl phenol content. The sulfurized metal alkyl phenate compositions can be prepared by reacting a phenol compound of Formula (I) disclosed herein with an aldehyde to form a phenolic resin of Formula (II) disclosed herein and then by reacting the phenolic resin simultaneously with a metal base and a first sulfurizing agent. The sulfurized metal alkyl phenate compositions and the overbased sulfurized metal alkyl phenate compositions disclosed herein may be used as detergents for formulating lubricating oil compositions. The lubricating oil compositions disclosed herein have a reduced amount of the free phenol compound and a salt thereof. | 06-04-2009 |
| 20120172270 | Alkoxylated Thiacalixarenes And The Use Thereof As Crude Oil Demulsifiers - The invention relates to compounds with the formula (II), where R is a C | 07-05-2012 |
| 20140038872 | METHOD FOR IMPROVING NITRILE SEAL COMPATIBILITY WITH LUBRICATING OILS - Provided is a method of improving nitrile seal compatibility with a lubricating oil in an engine lubricated with the lubricating oil. The method includes using as the lubricating oil a formulated oil comprising a lubricating oil base stock as a major component and an alkylated aromatic base stock as a minor component. Nitrile seal compatibility is improved as compared to nitrile seal compatibility achieved using a lubricating oil containing a minor component other than the alkylated aromatic base stock, e.g., an ester. A lubricating engine oil comprising a lubricating oil base stock as a major component and an alkylated aromatic base stock as a minor component. The alkylated aromatic base stock is present in an amount sufficient for the lubricating oil to exhibit improved nitrile seal compatibility as compared to nitrile seal compatibility achieved using a lubricating oil containing a minor component other than the alkylated aromatic base stock. | 02-06-2014 |
