Plural hetero atoms in the hetero ring (e.g., pyrazoles, benzimidazoles, etc.)

Subclass of:

508 - Solid anti-friction devices, materials therefor, lubricant or separant compositions for moving solid surfaces, and miscellaneous mineral oil compositions

508110000 - LUBRICANTS OR SEPARANTS FOR MOVING SOLID SURFACES AND MISCELLANEOUS MINERAL OIL COMPOSITIONS (E.G., WATER CONTAINING, ETC.)

508243000 - Heterocyclic ring compound; a heterocyclic ring is one having as ring members only carbon and at least one hetero atom selected from nitrogen and chalcogen (i.e., oxygen, sulfur, selenium, or tellurium)

508268000 - The hetero ring contains five members including nitrogen and carbon (e.g., polyvinylpyrrolidone, etc.)

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application number	Description	Number of patent applications / Date published
508279000	Three or four nitrogens in the hetero ring (e.g., 1,2,4-triazole, tetrazole, etc.)	45
508270000	Chalcogen in the hetero ring (e.g., benzoxazoles, etc.)	39
508283000	The hetero ring is a monocyclic 1,3-diazole or a monocyclic hydrogenated 1,3-diazole	29

Entries
Document	Title	Date
20110251112	Graft Polymer and Related Methods and Compositions - The present invention relates to a graft polymer of (a) a polyalphaolefin having a weight average molecular weight of less than 15000 and a polydispersity of 1.1 to 10; (b) a nitrogenous, ethylenically unsaturated, aliphatic or aromatic, graftable monomer having from 2 to about 50 carbon atoms; and (c) an organo-metallic compound selected from organo-molybdenum, organo-titanium, organo-manganese compounds and mixtures thereof; a process for making the graft polymer; and a lubricating oil composition comprising a major amount of a base oil and a minor amount of the graft polymer.	10-13-2011
20120178658	LUBRICATING COMPOSITIONS - A lubricating composition comprising: (i) from 50% to 99% by weight of base oil; (ii) from 0.01% to 5% by weight of ionic liquid; and (iii) from 0.01% to 10% by weight of additive; wherein the lubricating composition has a pour point of at most −54° C., a flashpoint of at least 246° C. and a kinematic viscosity at 100° C. in the range of from 4.9 to 5.4 mm	07-12-2012
20120202724	METHOD OF USING IONIC LIQUIDS TO IMPROVE THE LUBRICATION OF CHAINS, STEEL BELTS, WHEEL BEARINGS, ROLLER BEARINGS, AND ELECTRIC MOTORS - A method in which an improved lubricating composition containing ionic liquids is used to enable operation of chains, steel belts, wheel bearings, roller bearings, sliding bearings and electric motors for at least 48 hours by reducing the evaporation loss and the lackification tendency of the lubricant due to the lubricant being protected against thermal and oxidative attack.	08-09-2012
20130244916	CORROSION INHIBITOR - A food grade corrosion inhibitor for admixture with a food-grade petroleum-based oil is derived from an admixture of food-grade components. The corrosion inhibitor, a food-grade isoalkane, a food-grade ester and imidazoline. The additive is incorporated into a lubricating component such as mineral oil, etc.	09-19-2013
20140274835	METHOD OF PROVIDING HIGH COEFFICIENTS OF FRICTION ACROSS OIL-LUBRICATING FRICTION CLUTCHES - The invention concerns a method of increasing the dynamic coefficient of friction in an oil-lubricated friction clutch by using a lubricating oil containing at least one specific copolymer, the presence of which develops higher dynamic friction levels in the clutch.	09-18-2014