Class 51/303 - Cellulose or derivative thereof

Subclass of Class 51 - Abrasive tool making process, material, or composition
Definition: Subject matter including (a) a process involving the use
No. of patents: 35
Last issue date: 06/10/2008

Number	Title	Issue Date
7384436	Polycrystalline grits and associated methods Polycrystalline grits and methods of making grits which allow for a high degree of shape and size distribution control, as well as improved abrasive performance are described and disclosed. In one aspect, an abrasive slurry can be formed into a plurality of abrasive...	06/10/2008
7300478	Slurry composition and method of use The present invention provides an aqueous slurry composition that comprises cerium oxide and/or cerium oxide-containing mixed rare earth oxide abrasive particles, a polyacrylate, and an agent that retards hard settling. The agent that retards hard settling is prefer...	11/27/2007
7160622	Oil repelling agent An oil repelling agent to coat a dynamic pressure device, such as a fluid dynamic pressure bearing device, includes a UV coloring agent, a fluorine-based polymer and a solvent. In an exemplary embodiment of the invention, the concentration of the UV coloring agent c...	01/09/2007
7144932	Low-friction, high-dispersion synthetic resin composition containing fine particles of RB ceramic or CRB ceramic and a method for its preparation A synthetic resin composition includes at least one synthetic resin and RBC or CRBC particles dispersed in the resin. A method for preparing a synthetic resin composition includes mixing RBC or CRBC particles with a synthetic resin at a temperature near the melting ...	12/05/2006
6998166	Polishing pad with oriented pore structure The invention provides a polishing pad for chemical-mechanical polishing comprising a body, a polishing surface, and a plurality of elongated pores, wherein about 10% or more of the elongated pores have an aspect ratio of about 3:1 or greater and are substantially o...	02/14/2006
6887288	Superfinishing grindstone A superfinishing grindstone suitable for precision grinding, that contains either RB (rice bran) ceramic fine grains or CRB (carbonized rice bran) ceramic fine grains or a combination of both, for use as abrasive grains. The grains of RB ceramic fine grains and CRB ...	05/03/2005
6824578	Abrasive material A polishing material is provided in which the dispersibility of the abrasive grains of the polishing material having, as a major component, rare earth oxides including cerium oxide is made better and the hardness of abrasive grain precipitates is reduced, and at the...	11/30/2004
6663467	Process and composition for abrading pre-finished surfaces An abrading composition and a process for abrading factory pre-finished surface coverings, wherein the abrading composition comprises an effective amount of wear-resistant particles, a rheology modifier, and a solvent. This invention further relates to a ...	12/16/2003
6607571	Polishing composition and method To provide a polishing composition which enables maintenance of excellent properties and high quality of the surface of a hard disk without lowering polishing rate during polishing of the surface, and which can provide a polished surface in which the amou...	08/19/2003
6544307	Polishing composition and manufacturing and polishing methods A polishing compound containing cocoon-shaped silica particles and crystal silica particles, and water-soluble polymers including; at least one type selected from the groups including ammonium nitrate and ammonium acetate, and at least one type selected f...	04/08/2003
6494928	Polishing compound for sheet metal coating There is provided a polishing compound for sheet metal coating comprising an polishing material and a surfactant in which a RB ceramics and/or CRB ceramics powder is used at least as a part of the polishing material, thereby shortening a stain removing pr...	12/17/2002
6428586	Method of manufacturing a polymer or polymer/composite polishing pad Manufacture of a polishing pad for polishing a semiconductor substrate, involves, transporting a backing layer to successive manufacturing stations, supplying a fluid phase polymer composition onto the transported backing layer, shaping the fluid phase po...	08/06/2002
6120878	Abrasive articles comprising vinyl ether functional resins Abrasive articles are provided having at least one of a backing material saturated with a saturant, a barrier coat, a make coat, a size coat layer or combinations thereof wherein the saturant and layers consisting essentially of 100% solids radiation-cure...	09/19/2000
6120569	Method for production and structure of stone pattern processing mills A method for production of stone pattern processing mills including the steps of application of compression to resin, cellulose, and milling material in a mold module. The resin and milling material are combined to form milling granules to be bound to the...	09/19/2000
5984989	Coated abrasives and backing therefor A coated abrasive sheet material comprising (a) a backing substrate having at least one major surface, (b) a plurality of abrasive grains, (c) a binder bonding said plurality of abrasive grains to said at least one major surface of the backing substrate, ...	11/16/1999
5861055	Polishing composition for CMP operations A polishing composition is shown which includes (1) a polishing media particle; (2) a film forming binder for suspending the particle and forming a temporary film on an exposed surface of the workpiece, the temporary film being dissolvable in a subsequent...	01/19/1999
5575825	Abrasive An abrasive is produced by crushing a cured product of a phenol resin composition into particles, and washing with water and drying the particles. The phenol resin composition may comprise as principal constituents a phenol resin and an organic filler, or...	11/19/1996
5266088	Water-based polish This invention relates to a composition comprising: water; particulate abrasive dispersed in said water, said abrasive having a Knoop scale hardness of at least about 1000 and an average particle size of from about 1 micron up to a U.S. Sieve Series Numbe...	11/30/1993
5248317	Method of producing a composite diamond abrasive compact A method of producing a composite diamond abrasive compact includes the steps of forming an unbonded assembly comprising a cemented carbide body, a layer of catalyst metal on a surface of the carbide body, a layer of carbide particles, alone or in admixtu...	09/28/1993
5104421	Polishing method of goods and abrasive pad therefor A polishing method and abrasive pads used to polish of abrade, for example, lenses. The pad is manufactured with an abrasives such as grains of the mean diameter: 0.5-10 μm of alumina, zirconium oxide, tin oxide, and cerium oxide, a kind of water-soluble...	04/14/1992
5037451	Manufacture of abrasive products The invention provides a method of making an abrasive product which comprises a layer of bonded ultra-hard abrasive particles bonded to a substrate. The abrasive product is typically a diamond or cubic boron nitride composite compact. The method includes ...	08/06/1991
5030250	Manufacture of abrasive products The inventin provides a method of making an abrasive product which comprises a layer of bonded ultra-hard abrasive particles bonded to a substrate. This abrasive product is typically a composite abrasive compact. The method includes the steps of: (a) prov...	07/09/1991
5000761	Gel producing pad and improved method for surfacing and polishing lenses A surfacing pad is produced by dispersing abrasive particles in a flexible, water absorbent matrix that is secured on a flexible, fabric substrate, which functions as a reservoir for a liquid. By applying to the pad a small quantity of liquid sufficient t...	03/19/1991
4935039	Abrasive composition and process for polishing plastic article An effective abrasive composition is provided for polishing a plastic article, particularly a plastic lens, to give a mirror surface thereto. This abrasive composition comprises water, an aluminous abrasive and at least one polishing accelerator selected ...	06/19/1990
4929257	Abrasive composition and process for polishing An abrasive composition comprising: an aluminous abrasive, preferably having an average particle size of 0.5-10 μm and a concentration of 1 to 25% by weight; nickel sulfamate and/or sulfate, preferably having a concentration of 0.5 to 10% by weight; magn...	05/29/1990
4918874	Method of preparing abrasive articles A method of preparing abrasive articles exhibiting improved homogeneity and breakdown properties is disclosed. The method comprises admixing abrasive grits and a bond phase comprising silica particles, alumina, a flux and water, to form a slurry, such tha...	04/24/1990
4898598	Compound and method for polishing stone The present invention relates to a compound and method for polishing stone wherein the compound is a mixture of metallic oxides, a resin and a pre-prepared gel which compound is utilized in conjunction with sandpaper of varying grits to provide a smooth h...	02/06/1990
4866885	Abrasive product A composite abrasive compact is produced by placing strips of suitable abrasive material on a cemented carbide substrate. The strips each comprise abrasive particles, optionally with a particulate second phase, in an organic binder. The organic binder is ...	09/19/1989
4783933	Method of abrading woven material with the pits (endocarp) of the genus prunus fruit (drupe) In this method of abrading woven material in a washing machine, the woven material is placed in the washing machine. A predetermined amount of abrasive unaltered mature pits are added to the washing machine. The washing machine is operated in the run mode...	11/15/1988
4490762	Cleaning tape A cleaning tape comprising a support having coated thereon a cleaning layer containing a binder and an organic polymer powder is disclosed....	12/25/1984
4451269	Polishing composition for centrifugal magnetic-abrasive machines The polishing composition for a centrifugal magnetic-abrasive machine for machining complex profiled workpieces. The composition exhibits ferro-magnetic properties and could be used in all centrifugal and magnetic-abrasive machines but more particularly i...	05/29/1984
4280821	Disintegrable lump abrasive grains and process for producing same This invention relates to the manufacturing of a special "lump abrasive grains", which is to be used as polishing agent and in buffing compound. Basically, the production is composed of gypsum (CASO4.1/2H2 O), acting as a base carrie...	07/28/1981
4270932	Polishing of silver-plated articles The invention relates to the polishing of silver-plated, in particular electro-plated silver. The feature of the invention is the provision of a formulation which in the dry, solid state has a high storage life and is free of any toxic components and ther...	06/02/1981
4222747	Polishing material for ophthalmic lenses The invention relates to a polishing material of the type containing powdered cerium oxide suspended in water. According to the invention, this polishing material also contains, in combination, a substance for use as a thickener and a substance for reduci...	09/16/1980
4035163	Conditioning cleanser for ceramic surfaces An alkaline cleaning and conditioning composition for ceramic surfaces is provided in the form of an abrasive powder mixture including a surfactant, and a silicone oil absorbed in a water soluble absorbent powder....	07/12/1977

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Class 51/303 - Cellulose or derivative thereof