Class 252/381 - Anti-caking, separative or protective coatings or zones

Subclass of Class 252 - Compositions
Definition: Compositions specialized and designed for or peculiar to
No. of patents: 32
Last issue date: 11/30/2004

Number	Title	Issue Date
6825289	Method for producing chemical reactive substance and polycarboxylic acid produced thereby The present invention is to provide a production method of chemical reactive substances with stable quality by which solidification, gel formation, and the resulting blockade within material injection nozzles are prevented, and contamination of a reaction system wit...	11/30/2004
6712994	Method and composition for the preservation of film The present invention provides a non-evaporating lubricant and cleaner formulation that protects all types of film by forming a slick protective coating that reduces or eliminates dirt, scratches and static charges. An embodiment of the present invention comprises a...	03/30/2004
6558705	Composition for reducing evaporation at sites both on land and open water Parent disclosure, now U.S. Pat. No. 6,303,133 B1, taught a calcium hydroxide containing evaporation retardant having particles that mutually repel one another because of water-induced ionization. Calcium hydroxide makes the retardant unsuitable for treat...	05/06/2003
6451224	Stable free-flowing solid chelants A stable free-flowing solid chelant composition is produced by the process comprising the steps of: a) adjusting the pH of an aqueous solution of the chelant to a value of from about 1.2 to about 3.0 by the addition of an inorganic acid; and b) drying the...	09/17/2002
6376560	Ink follower for water-base ballpoint pens and method of manufacturing the same This invention relates to ink follower for a water-base ballpoint pen with its bubbles removed, time-dependent stability, less oil separation, and greatly reduced lot-to-lot viscosity difference and associated performance difference, and a method for manu...	04/23/2002
6303133	Film-spreading powder for suppressing water evaporation The invention pertains to enhancing the dispersion on the surface of a still or moving body of a polar liquid, such as water, of particles of a powder of the composition essentially comprising a monolayer-forming constituent, such as hexadecanol or octade...	10/16/2001
5855816	Dust suppression in solids A substantially dust-free solid that is treated with a blend of water or other solvent and certain distillation bottoms. The distillation bottoms are at about 60° C. or less and are obtained from production of an alcohol having the formula: R2--R1--OH, w...	01/05/1999
5820787	Process for dust suppression in solids Solid materials are treated with a blend of water or solvents and distillation bottoms obtained from production of an alcohol having the formula: R2--R1--OH, wherein R1 is substituted or unsubstituted, branched, straight chain, or cyclic C4 to ...	10/13/1998
5691296	Percarbonate bleach particles coated with a partially hydrated crystalline aluminosilicate flow aid A process for making a granular detergent composition comprising the steps of adding to a detergent powder particles of percarbonate having a mean particle size in the range of from 250 to 900 micrometers and a powdery flow aid containing a partially hydr...	11/25/1997
5395543	Freeflowing alkaline detergent, and agents for the preparation thereof A particulate alkaline detergent contains an alkaline agent and an alkali perborate hydrate and/or an alkali carbonate peroxohydrate as bleaching agent. As a result of coating at least the alkaline agent or the bleaching agent with an alkyl glycoside or a...	03/07/1995
5342438	Remedial wood preservative This invention discloses a non-water dilutable remedial wood preservative containing 1/2 to 10 parts copper derived from amine-inorganic copper complexes, combined with sodium borate or sodium fluoride, or a combination thereof, in a ratio of 2 to 120 par...	08/30/1994
5324444	Process for preparing a perfume capsule composition A method for preparing a free flowing perfume capsule composition with enhanced performance and stability from slurries containing perfume capsules is described. A process comprising removing water from the slurry to form a wet cake, combining silicone di...	06/28/1994
5017303	Paint peeling composition and paint peeling method A paint peeling composition contains as effective components thereof 17 to 25 weight percent of polyvinylalcohol or 2 to 12 weight percent of an acrylic resin or polyvinyl acetate and a subsstance which when heated is in the form of minute shells enclosin...	05/21/1991
4915853	Method for fire extinguishment of hardly extinguishable dangerous material An efficient method for extinguishing fire of various hardly extinguishable materials is proposed. The method comprises sprinkling, over the burning site of the material, a boron oxide powder having a putity relative to the content of B2 O...	04/10/1990
4844833	Paint peeling composition and paint peeling method A paint peeling composition containing as effective components thereof 17 to 25 weight parts of polyvinylalcohol and a substance capable of forming a group of minute bubbles. And, a paint peeling method wherein the paint peeling composition is applied to ...	07/04/1989
4511485	Nonpolluting salts and method of making same A reduced pollutant-containing salt mixture and method of making same is provided wherein a salt mixture partially comprised of calcium acetate and partially comprised of at least one other pollutant salt is produced by mixing a pollutant salt-containing ...	04/16/1985
4444672	Process of making calcium acetate deicing agents and product A process of making a calcium acetate-containing solution having a pH value at room temperature between about 7 and about 8 is provided comprising reacting acetic acid with a carbonate compound, adding calcined limestone, and optionally finishing off the ...	04/24/1984
4426308	Process of making calcium acetate deicing agents A process of making a calcium acetate-containing solution having a pH value at room temperature between about 7 and about 8 is provided comprising reacting acetic acid with a carbonate compound, adding calcined limestone, and optionally finishing off the ...	01/17/1984
4421728	Stabilization of red phosphorus Particulate red amorphous phosphorus is stabilized against oxidative degradation to phosphorus acids and phosphine by the use of titanium dioxide or titanium phosphate....	12/20/1983
4404087	Antifoulants for thermal cracking processes The formation of carbon on metals exposed to hydrocarbons in a thermal cracking process is reduced by contacting such metals with an antifoulant selected from the group consisting of tin, a combination of tin and antimony, a combination of germanium and a...	09/13/1983
4377488	Process of making calcium acetate deicing agents A process of making a calcium acetate-containing solution having a pH value at room temperature between about 7 and about 8 is provided comprising reacting acetic acid with a carbonate compound, adding calcined limestone, and optionally finishing off the ...	03/22/1983
4326976	Composition and process for washing and bleaching Particulate washing and bleaching compositions containing a peroxy compound and an alkali carbonate have their tendency to cake during storage reduced by incorporating within the compositions an alkaline aryl sulphonate, such as sodium methyl naphthalene ...	04/27/1982
4283310	P.V.C. Compositions for extrusion moulding A polyvinyl chloride composition for use in extrusion moulding contains an alkaline earth metal or zinc soap of one or more fatty acids having an iodine value of from 20-60 as the only stabilizer, a lubricant and is lead-free....	08/11/1981
4283315	Gramophone record composition Gramophone records are prepared from a vinyl polymer composition containing a fatty acid soap of an alkaline earth metal or zinc, sugar or polyol fatty acid esters and fatty acid mixed glycerides and is free of heavy metal ions....	08/11/1981
4269721	Dust abatement with calcium sulfate A method of treating stored coal to prevent dusting and reduce moisture penetration of the coal, comprising forming a hardened crust of a hydrated calcium sulfate containing composition over the exposed surface of the coal pile. The calcium sulfate produc...	05/26/1981
4250140	Method and composition for retarding water evaporation A method and composition for forming a thin film of evaporation retarding agent upon a water surface by applying to the water, solid macroscopic particles of a saturated, aliphatic, interface-active hydrocarbon in solid solution with a spreading agent, e....	02/10/1981
4185988	Anticaking compositions An anticaking composition suitable for fertilizers comprising a hydrophobic liquid having dissolved therein from 0.01 to 20% by weight of an alkylaryl sulphonate derived from an alkylaryl sulphonic acid of molecular weight greater than 400. Also covered a...	01/29/1980
4142984	Process for improving granular detergents A process for improving the physical properties of granular detergents comprises making fine particles of calcium sulfite adhere uniformly onto the surface of the granular detergent. The amount of said calcium sulfite particles to be thus applied is in th...	03/06/1979
4139666	Antitack agent Powdered milk is used as an antitack agent for products made to handle food items, particularly milk. In one embodiment, flexible articles used for handling and storage of food items such as milk are coated with sufficient powdered milk to prevent stickin...	02/13/1979
4034086	Pyrrolidone-5,5-diphosphonic acids Pyrrolidone-5,5-diphosphonic acids having the formula ##STR1## wherein R is a member selected from the group consisting of hydrogen and alkyl having from 1 to 6 carbon atoms; as well as their water-soluble salts. The pyrrolidone-5,5-diphosphonic acid...	07/05/1977
3963627	Surface treatment of particulate solids A fire-fighting foam-compatible powder containing a fire-extinguishing powder and from 0.1% to 5% of a partially-hydrophobic powdered silica, having a surface area of at least 10 square meters per gram, and carrying a surface treatment with a silane, wher...	06/15/1976
3960888	Pyrrolidone-5,5-diphosphonic acids Pyrrolidone-5,5-diphosphonic acids having the formula ##EQU1## wherein R is a member selected from the group consisting of hydrogen and alkyl having from 1 to 6 carbon atoms; as well as their water-soluble salts. The pyrrolidone-5,5-diphosphonic acid...	06/01/1976

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Class 252/381 - Anti-caking, separative or protective coatings or zones