Class / Patent application number | Description | Number of patent applications / Date published |
508322000 | Sulfurized compound of indeterminate structure, which is a reaction product of an organic compound with sulfur halide, elemental sulfur, or metal polysulfide | 7 |
20140107004 | Natural and Synthetic Ester-Containing Lubricants Having Enhanced Hydrolytic Stability - A lubricant composition comprising (a) from 0.1 to 10 percent by weight of one or more polyalkylene glycols (PAG); and (2) one or more ester base oils selected from the group of natural esters, synthetic esters and combinations thereof; wherein the one or more PAG has a molecular weight in the range 1500 to 5000 g/mole, comprises from 10 to 40 percent by weight of units derived from ethylene oxide and from 90 to 60 percent by weight of units derived from propylene oxide; and wherein the one or more PAGs are in the form of block copolymer, reverse block copolymer or combinations thereof is provided. Also provided is a method of enhancing the hydrolytic stability of an ester base oil. | 04-17-2014 |
20150080280 | LUBRICATING OIL COMPOSITION - A lubricating oil composition comprising (A) an ethylene/α-olefin copolymer satisfying all of the following requirements (A-1) to (A-3) : (A-1) an ethylene structural unit content of 30 to 70% by mol, (A-2) a kinematic viscosity at 100° C. of 20 to 3000 mm | 03-19-2015 |
508329000 | The organic compound is an organic phosphorus or sulfur compound (e.g., sulfurized phosphate esters, sulfonates, etc.) | 1 |
20080234153 | LUBRICATING OIL COMPOSITION - The present invention provides a lubricating oil composition, which is capable to maintain sufficient low-friction (i.e. fuel saving performance) even when the lubricating oil is contaminated with soot and metal abrasion powder, which is excellent in durability with regard to anti-wear property and detergency, as well as oxidation stability, and which is capable to lower the ash content and to sufficiently maintain the performance of exhaust-gas after-treatment device for a long term. The lubricating oil composition comprises a lubricant base oil containing a base oil (X) of which % C | 09-25-2008 |
508332000 | The organic compound is an organic oxygen compound which does not contain a -C(=O)O- group, or is an organic halogen compound (e.g., sulfurized pentadecenylphenol, etc.) | 4 |
20140287969 | MARINE DIESEL ENGINE LUBRICATING OIL COMPOSITIONS - Disclosed herein are marine diesel engine lubricating oil compositions which comprises (a) a major amount of an oil of lubricating viscosity, and (b) about 3 wt. % to about 40 wt. %, based on the total weight of the marine diesel engine lubricating oil composition, of a sulfurized, alkaline earth metal alkylphenate detergent which is substantially free of polyol promoter oxidation products. | 09-25-2014 |
20150045269 | Method for Preparing a Sulfurized Alkaline Earth Metal Dodecylphenate - A sulfurized alkaline earth metal (e.g., calcium) dodecylphenate is prepared by reacting (i) dodecylphenol with (ii) calcium hydroxide or calcium oxide in an amount of about 0.3 to about 0.7 moles per mole of dodecylphenol charged and (iii) an alkylene glycol in an amount of about 0.13 to about 0.6 moles per mole of dodecylphenol charged; and reacting the product of the first step with sulfur in an amount of about 1.6 to about 3 moles per mole of dodecylphenol charged; and thereafter optionally reacting the product with additional calcium hydroxide or calcium oxide and with carbon dioxide so as to form an overbased phenate. The product thus prepared has reduced levels of monomeric dodecylphenol. | 02-12-2015 |
20150119304 | PROCESS FOR PREPARING AN OVERBASED SALT OF A SULFURIZED ALKYL-SUBSTITUTED HYDROXYAROMATIC COMPOSITION - Disclosed herein is an overbased salt of a sulfurized alkyl-substituted hydroxyaromatic composition, which is prepared by the process comprising (a) providing an overbased salt of a sulfurized alkyl-substituted hydroxyaromatic composition having a total base number (TBN) greater than about 250; and (b) sparging the overbased salt of a sulfurized alkyl-substituted hydroxyaromatic composition with air at a temperature ranging from about 190° C. to about 250° C. | 04-30-2015 |
508333000 | The oxygen compound is an ether or has hydroxy bonded directly to acyclic or alicyclic carbon (e.g., sulfurized pine oil or cardanol ether, etc.) | 1 |
20130123157 | LUBRICATING OIL COMPOSITIONS - Disclosed herein is a neutral or overbased salt of a sulfurized alkylhydroxyaromatic compound obtained by the process comprising the steps of (a) sulfurizing an alkylhydroxyaromatic compound derived from alkylation of a hydroxyaromatic compound with one or more olefins comprising C | 05-16-2013 |