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Class 508/181 - PTFE (polytetrafluoroethylene)


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 which contain an addition homopolymer of tetrafluoroethylene, CF2=CF2.
No. of patents: 93
Last issue date: 01/17/2012


1      
NumberTitleIssue Date
8097569Coating composition for use in sliding parts
A compressor includes a swash plate, and a shoe connected to an outer periphery of the swash plate. A surface of the swash plate slides upon a flat surface of the shoe. A sliding film is applied to the surface of the swash plate. The sliding film is formed of binder...
01/17/2012
7910527Wear resistant lubricious composite
A wear resistant lubricious composite includes a synthetic resin binder, a plurality of transfer film forming particles, and a plurality of hard nanoparticles. The hard nanoparticles are selected from the group consisting of metal oxides, metal carbides and metal ni...
03/22/2011
7754662High performance lubricants and lubricant additives for crankcase oils, greases, gear oils and transmission oils
A lubricant additive produced by various processes, including mixing an organophosphate and an organofluorine compound, reacting an organophosphate and an organofluorine compound, reacting a fluorinated organophosphate and an organofluorine compound (with or without...
07/13/2010
7741256Lubricant composition, expandable shaft, and steering system using the same
A lubricant composition contains poly-α-olefin oil having a kinematic viscosity of 1500 to 13000 mm 2/s (40° C.) as a base oil and from 45 to 50% by weight of a thickener composed of polytetrafluoroethylene. The lubricant composition may be used for lub...
06/22/2010
7402550Rolling bearing
A rolling bearing holding two or more rolling elements 13 between inner ring 10 and outer ring 11 in such a way that these rolling elements can freely roll, and packed with a grease is described, wherein the grease is a mixture of at least one o...
07/22/2008
7384895Conveyor lubricant, passivation of a thermoplastic container to stress cracking and thermoplastic stress crack inhibitor
Thermally formed thermoplastic articles can be protected from stress cracking in the presence of stress cracking promoting compounds by forming a shaped article comprising a thermoplastic and a liquid hydrocarbon oil composition. We have found that the liquid hydroc...
06/10/2008
7358216Lubricant compositions and methods
A process is disclosed for manufacturing a lubricant composition comprising combining a superabsorbent polymer with a material for decreasing friction between moving surfaces. The superabsorbent polymer absorbs from about 25 to greater than 100 times its weight in w...
04/15/2008
7265080Rolling bearing, rolling bearing for fuel cell, compressor for fuel cell system and fuel cell system
The rolling bearing of the invention to be incorporated in the compressor for fuel cell system comprises a fluorine-based grease containing a fluororesin and a fluorine-based oil, a urea grease containing a urea compound and a synthetic oil or a lithium complex grea...
09/04/2007
7264398Truck pivot joint bearing and method of lubricating
A bearing assembly is disclosed having a pair of bearing members movable relative to one another. A space is defined between the bearing members, and a relatively thin coating of a greaseless, self-lubricating material is applied to the surface of at least one of th...
09/04/2007
7260889Coating compositions having antiseize properties for disassemblable socket/pin and/or threaded connections
The present invention relates to a coating composition comprising a) at least one binder and b) at least one substance which releases gases at elevated temperature, and c) at least one friction-reducing additive. With the aid of the coating compositions of th...
08/28/2007
7244696Anti-seize composition in solid form
An anti-seize composition which is non-flowable and dimensionally stable at temperatures greater than about 120° F. and dispensable at room temperature without the application of heat is provided. The composition includes a solid anti-seize lubricant, such as of me...
07/17/2007
7226071Running surface for a winter sports apparatus
The gliding properties of running surfaces for winter sports apparatus, e.g. skis and snowboards are improved by a mineral addition chosen from the sodalite group and tsaregorodtsevite-wadalite series or a mixture thereof. An ultramarine is especially preferred as t...
06/05/2007
7196042Grease composition and rolling apparatus
A grease composition is produced by mixing a thickener comprising a fluoro resin and a second thickener component (a metallic soap, a complex metallic soap, an N-substituted terephthalamic acid metal salt, organic bentonite or a calcium sulfonate complex) into a bas...
03/27/2007
7166561Lubricant-carrying substrate for maintenance of paper shredders
Paper shredders are maintained using lubrication substrates that have been treated with or that carry a lubricant. The lubrication substrate is fed through the shredding mechanism of a paper shredder. Rather than requiring disassembly of the paper shredder, maintena...
01/23/2007
7109152Lubricant composition
Use of a liquid composition for lubricating conveyor belts is provided, said liquid composition being suitable for producing a “dry” lubricant film on a surface by discontinuous application thereof, wherein the liquid composition can also be used for continuous ...
09/19/2006
7097031Lubricious liners and methods for their use
Conveyor systems and methods for transporting articles, such as containers, using the conveyor systems are provided. The conveyor systems include a lubricious liner adhesively attached to a surface of a conveyor or an article for transport on the conveyor, such that...
08/29/2006
7091161Non-metallic thread sealant and anti-seize compound having improved anti-galling properties for metal alloys
An anti-seize compound is disclosed for use on surfaces of threaded connections made of speciality alloys such as high nickel or chrome ferrous alloys or other speciality alloys prone to galling under high stress conditions. The compound using a metal fluoride as th...
08/15/2006
7067462UV curable lubricant compositions
The present invention discloses an ultraviolet light curable lubricating composition and method for making such a composition that may be used to produce a lubricating layer. The disclosed composition does not contain any significant amount of volatile organic solve...
06/27/2006
7067182Lubricant coated beverage container or conveyor therefor
The passage of a container along a conveyor is lubricated by applying to the container or conveyor a lubricating coating that is thermally cured at less than 200° C. or radiation-cured. The mixture can be applied in relatively low amounts and with relatively low or...
06/27/2006
6946429Bearing for electronically controlled throttle motor
A bearing for an electronically controlled throttle motor in an automobile filled with a grease composition with a kinetic viscosity between 40 and 150 mm2/sec (at 40° C.) containing (a) a straight-chain perfluoropolyether oil with a kinetic viscosity le...
09/20/2005
6869918Cleaning blade lubricant
A lubricant for wiper blades used to remove residual toner particles from a photoconductive surface comprising a finely divided fluoropolymer and a binder resin typically polyvinylpyrollidinone, applied as a coating using an evaporable vehicle. ...
03/22/2005
6846779Coating compositions having antiseize properties for a disassemblable socket/pin and/or threaded connections
The present invention relates to a coating composition comprising a) at least one binder and b) at least one substance which releases gases at elevated temperature, and c) at one friction-reducing additive. With the aid of the coating compositions of the inve...
01/25/2005
6825258Powder coating additive, powder coating composition containing said additive, and method for coating a substrate using said powder coating composition
A powder coating additive composition containing (a) a non-crosslinked product made by the reaction of an organic alcohol and a carboxylic acid or a reactive equivalent of the carboxylic acid; the product containing at least one ester functionality and at least one ...
11/30/2004
6815400Method for forming solid film lubricant
A method for forming a solid film lubricant on the surface of a part having an arbitrary shape is provided, comprising preparing a carrier having a predetermined shape and size; coating lubricant powder on the carrier; and coating the lubricant powder over the surfa...
11/09/2004
6806239High-lubricity grease and modifier for lubricating grease
A lubricating-grease modifier for addition to and modification of a lubricating grease that is to be present in a driving mechanism of a machine or apparatus and lubricate a driving part of the driving mechanism, the modifier comprising a lubricating resin powder an...
10/19/2004
6780823Container, such as a food or beverage container, lubrication method
A process for lubricating a container, such as a beverage container, or a conveyor for containers, by applying to the container or conveyor, a thin continuous, substantially non-dripping layer of a liquid lubricant. The process provides many advantages compared to t...
08/24/2004
6774091Lubricant and additive formulation
A lubricant additive formulation for increasing the performance of conventional engine lubricants for use as an engine treatment oil additive formulated for addition to conventional motor oil to improve the lubricating properties of the engine oil and enhance the pe...
08/10/2004
6737388Lubricant for ammunition and method of use therefor
A lubricant composition for ammunition is an admixture of (a) molybdenum disulfide, (b) a fluorotelomer lubricant, and (c) a solvent medium which is deposited onto (d) a corn cob particle absorbent. Metal particles such as BBs or other grit may be included in the co...
05/18/2004
6677280Transport of containers on conveyors
The invention relates to process for reducing the friction between new and/or freshly washed transport containers and conveyors, in which a composition containing at least one component with lubricating properties is applied to at least part of the surfac...
01/13/2004
6667281Grease composition
A grease composition suitable for use with vehicle electrical equipment and vehicle engine starters is disclosed, which has excellent abrasion resistance and anti-seizure property, long service life, excellent lubricity at low temperatures, and has no adv...
12/23/2003
6548454Rolling apparatus containing a liquid fluorinated polymer oil and thickening agent
The present invention provides a rolling apparatus comprising a movable member which can undergo rotary or linear motion, a support member which carries the movable member, rolling elements which are interposed between the movable member and the support m...
04/15/2003
6528457Composition comprising halogenated oil
A composition that can be used as lubricant for high electric field including spark plug boots is disclosed. The composition comprises, or is produced by combining, a halogenated oil such as a perfluoropolyether, a polytrichlorofluoroethylene, a fluorosil...
03/04/2003
6521569Non-flammable liquid penetrating lubricant
The present invention relates to a non-flammable, anti-corrosive, non-discoloring product which has both penetrating and lubricating characteristics and is prepared with a non-flammable propellant that does not emit volatile organic compounds, but does re...
02/18/2003
6465398Lubricant composition for use in snow sliders
The invention relates to improved compositions comprising paraffin waxes and fluoropoylmer micro powders, and to their uses in products and articles where reduced friction is desirable, such as snow slider equipment....
10/15/2002
6455476Composition and process for lubricated plastic working of metals
A lubricant composition for the plastic working of metals that does not require a phosphate undercoating, is waterborne, requires only a simple application process of immersion or spraying followed by drying, and provides an excellent lubricating performa...
09/24/2002
6444621Grease composition for steering of motorcars
A grease composition for steering of motorcars which comprises the following components (a) to (f): (a) a thickening agent; (b) a base oil having a pour point of not higher that -40° C.; (c) an organic molybdenum compound; (d) melamine cyanurate; (e) pol...
09/03/2002
6429175Lubricating grease composition
A lubricating grease composition including the combination of an oil base, a thickener, and bismuth preferably in the form of a bismuth carboxylate. The grease has excellent film strength, improved "anti-washout" capabilities, and, depending on the thicke...
08/06/2002
6413915Lubricant
The present invention pertains to a lubricant for a ball-and-socket joint, wherein spherical particles of two different sizes are introduced into an oil or a lubricating grease. The coarser particles act as spacers, which prevent the ball of the ball-and-...
07/02/2002
6362135Catalyzed compositions and methods for use in vehicle surface anti-icing and other applications
This invention discloses novel catalyzed surface composition altering formulations and methods and catalyzed surface coating formulations and methods, which contain one or more catalysts, along with optional other ingredients, wherein the catalysts serve ...
03/26/2002
6358891Lubricating/sealing oil-based composition and method of manufacture thereof
A lubricating/sealing composition is provided according to the present invention and finds particular use as a lubricating medium in internal combustion engines. According to the present invention, the lubricating/sealing composition comprises a base lubr...
03/19/2002
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