U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Quotables

"The man with a new idea is a crank until the idea succeeds."

Samuel Clemens

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 508/205 - Phosphorus or -C(=X), wherein X is chalcogen, attached indirectly to the silicon by nonionic bonding


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 silicon is attached indirectly
No. of patents: 24
Last issue date: 03/27/2007


NumberTitleIssue Date
7196975Magneto-optical disk with protective layer, and optical disk device
On a pit information surface (22d) of a read-only optical disk (22), a protective layer (22f) suited for a floating-type or a sliding-type magnetic head (3) used for a magnetic field modulation type magneto-optical disk is f...
03/27/2007
7153353Carnuba silicone wax
A carnuba silicone wax which does not contain free silicone oil. This wax is obtained by reacting a silicone compound having a substituent with reactivity to the hydroxyl group in natural carnuba wax, with this hydroxyl group. A carboxyl group may be introduced into...
12/26/2006
6887835Silane additives for lubricants and fuels
Lubricants, especially lubricating oils, and fuels, especially hydrocarbon fuels, contain a class of anti-wear, anti-fatigue, and extreme pressure additives that are derived from silanes. The additives can be used as either partial or complete replacements for zinc ...
05/03/2005
5549835Apparatus equipped with a cooling block unit having sliding parts and a compound used to the same
Disclosed are an apparatus having sliding parts and a compound for preventing diffusion or separation of a base oil; and a compound for preventing diffusion or separation of the base oil used for the apparatus: an electronic or electric appliance using a ...
08/27/1996
5534172Cutting fluid
An aqueous-based cutting fluid for machining photoreceptor substrates contains: (A) at least one antioxidant; (B) one or more surfactants, at least one of which is a polysiloxane surfactant; (C) at least one lubricant; and (D) water. The cutting fluid can also...
07/09/1996
5527479Lubricating composition and recording medium using the same
A lubricating composition having an affinity for synthetic resins comprising a silicone oil and a fatty acid-modified silicone and a fatty acid ester. The lubricating coating composition is utilized in the preparation of a magnetic recording medium....
06/18/1996
4994203Composite material with lubricating properties, process for their manufacture and antierosive components for a barrel weapon system which consists of these materials
The invention relates to a composite material with lubricating properties consisting of a solid polymeric matrix such as polystyrene or polymethyl methacrylate containing between 20 and 85% by weight of a liquid oil with lubricating properties, such as a ...
02/19/1991
4978463Lubricating rubber composition
A rubber composition made of a diene rubber having such excellent properties as heat resistance and mechanical strength and organopolysiloxane or fluoropolymer as a lubricating substance. The lubricating substance may contain isocyanate or cyanate groups,...
12/18/1990
4976880Lubricating rubber composition
A rubber composition made of a diene rubber having such excellent properties as heat resistance and mechanical strength and organopolysiloxane or fluoropolymer as a lubricating substance. The lubricating substance may contain isocyanate or cyanate groups,...
12/11/1990
4894175Crude oil with a depressed pour point
Disclosed are pour point depressants of the general, average formula ##STR1## in which R1 is alkyl with 18 to 36 carbon atoms with the proviso, that at least 40% of the alkyl groups have at least 22 carbon atoms, R2 is hydrogen, meth...
01/16/1990
4844826Use of organosilicon compounds to thicken oils
Thickeners of the general formula ##STR1## wherein R1 is alkyl with 18 to 36 carbon atoms, R2 is hydrogen, methyl or a group of the general formula --(CH2)x R3, R3 being a COOR4 ...
07/04/1989
4707280Lubricating oil for use in Flon atmosphere
A lubricating oil composition for use in a Flon atmosphere is disclosed, which comprises a base oil having incorporated therein from 20 to 10,000 wt ppm of a higher fatty acid-modified silicone oil. The lubricating oil composition is excellent in both wea...
11/17/1987
4701272Silicone grease composition
The silicone grease composition is highly light-transmitting and very stable with little oil separation. The grease composition is compounded with (a) a methyl phenyl polysiloxane having a specific phenyl content, (b) a fumed silica filler having a specif...
10/20/1987
4636573Hindered silicon ester stabilizers
Compounds of the formulae I and II ##STR1## wherein R1, R2, R3, R4 and R5 are independently hydrogen, alkyl of 1 to 18 carbon atoms, cycloalkyl of 5 to 8 carbon atoms, phenyl, phenyl substituted ...
01/13/1987
4420409Hydraulic system and hydraulic fluid compositions comprising siloxane-oxyalkylene copolymers
Hydraulic fluid compositions are disclosed which have a high boiling point, a high compatibility with standard brake fluid and a high solubility of water. The disclosed hydraulic fluid compositions comprise from 1 to 100 percent by weight of selected silo...
12/13/1983
4419254Method of protecting silver contacts
A method of protecting silver contacts in switches for electronic equipment is provided by utilizing a silicone-based grease which is comprised of a polyorganosiloxane base in combination with a thickener such as finely divided silica or a metal soap and ...
12/06/1983
4405469Greases prepared from organosiloxanes with SiC-bonded groups
This invention relates to organosiloxanes which have SiC-bonded ester groups and contain at least one unit of the general formula: ##EQU1## is which R represents the same or different monovalent hydrocarbon radicals having from 1 to 12 carbons atoms,...
09/20/1983
4384966Phosphorus substituted 4-methyloxetan-2-ones, processes for their preparation and their use
Compounds having the formula ##STR1## are described, wherein X is oxygen or sulphur or the moiety X is absent and A and D are as defined in claim 1. Compounds I may be prepared by reacting a compound ##STR2## with diketene in the presence o...
05/24/1983
4378459Ester functional organopolysiloxane lubricants and process
Organopolysiloxane lubricant compositions comprising a polysiloxane chain containing silicon-bonded hydrocarbon radicals and silicon-bonded ester radicals. The ester functional organopolysiloxanes are obtained by reacting an allyl ester, by Si-olefin addi...
03/29/1983
4356098Stable ferrofluid compositions and method of making same
A stable liquid composition which comprises a colloidal dispersion of finely-divided particles in a liquid silicone-oil carrier and a dispersing amount of a surfactant, which surfactant comprises a silicone-oil surfactant containing a functional group whi...
10/26/1982
4264459Stabilized organopolysiloxane oils
Stabilized organopolysiloxane oils having at least one aliphatic hydrocarbon radical with at least two carbon atoms and containing rubidium and/or cesium compounds which are at least partially soluble in the oil, in which the amount of rubidium and/or ces...
04/28/1981
4080304Hydrocarbon oil compositions containing polymers to control viscosity temperature relationship
A liquid composition exhibiting reversible solution/emulsion phase transition to provide a relatively constant viscosity/temperature relationship is provided with a hydrocarbon oil and a minor amount of an interpolymer of at least one hydrocarbon monomer ...
03/21/1978
4007314Magnetic recording medium with silane lubricant
A magnetic recording medium including a flexible non-magnetic film base and a magnetic layer thereon consisting of magnetizable particles in a resinous binder, the magnetic layer containing or being coated with an organosilicon lubricant compound having t...
02/08/1977
4007313Magnetic recording medium
A magnetic recording medium including a flexible non-magnetic film base and a magnetic layer thereon which contains and/or is coated with an organosilicon compound having lubricating properties, said compound having the following formula: ##STR1## ...
02/08/1977
 
Sign InRegister
Username  
Password   
forgot password?