Organic Compound Containing Patents (Class 252/384)
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Patent number: 4306994Abstract: A dry composition is described which can be converted to an anti-sticking composition for unvulcanized rubber by dispersion in water, consisting essentially of a film forming clay (bentonite or attapulgite), a surfactant and an additive capable of inactivating calcium and magnesium ions (e.g. polyphosphate); optionally, there may be present a defoamer, and up to equal parts by volume, based on a film forming clay, of a filler to speed drying.Type: GrantFiled: March 27, 1980Date of Patent: December 22, 1981Assignee: Kalcor Coatings Company, IncorporatedInventor: William M. Ellslager
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Patent number: 4284601Abstract: Aqueous foam compositions comprising water and a mixture of ammonium lauryl sulfate, methyl polyoxyethylene cocoamine chloride, dimethyl cocoamine oxide and polyvinyl alcohol are used to suppress the formation of fumes from fumable materials by covering the material with said compositions in the form of foam, thereby causing the material to react with the water to prevent fume release.Type: GrantFiled: August 18, 1980Date of Patent: August 18, 1981Assignee: E. I. Du Pont de Nemours and CompanyInventors: Dong M. Chay, David J. Haack
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Patent number: 4283315Abstract: 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.Type: GrantFiled: November 6, 1979Date of Patent: August 11, 1981Assignee: Talres Development (N.A.) N.V.Inventors: Kenneth James, Frederick J. Smith
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Patent number: 4283310Abstract: 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.Type: GrantFiled: November 6, 1979Date of Patent: August 11, 1981Assignee: Talres Development (N.A.) N.V.Inventors: Kenneth James, Frederick J. Smith
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Patent number: 4265958Abstract: A method for the treatment of wood by a wood preserving agent in a liquid or paste-like form, to be positioned (inserted) in a recess in the wood, which recess is subsequently sealed off.The wood preserving agent contains a water-expelling agent, a water-repellent agent and a biocide.Type: GrantFiled: March 24, 1978Date of Patent: May 5, 1981Assignee: Hoeka Sierpleisters En Muurverven B.V.Inventors: Cornelis W. Blom, Jacobus M. van Keulen
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Patent number: 4260651Abstract: A free flowing phosphate-free particulate heavy duty laundry detergent is comprised of particles of a mixture of sodium carbonate and sodium bicarbonate having nonionic detergent in the interior and on the surface thereof, to which is adhered a coating of smaller particles of ion exchanging zeolite. The product made is exceptionally free flowing and, although the particles are relatively large, is also of high bulk density (over 0.6 g./cc.). Also within the invention is a method of making such products by contacting the particles of mixed sodium carbonate and sodium bicarbonate with a normally liquid or pasty nonionic detergent in the liquid state so that the detergent is largely absorbed by the particles and coats the surfaces thereof, which are then coated with powdered zeolite which adheres to the surface nonionic of the particles and makes them free flowing.Type: GrantFiled: December 2, 1976Date of Patent: April 7, 1981Assignee: Colgate-Palmolive CompanyInventor: Harold E. Wixon
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Patent number: 4250140Abstract: 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.g., a polyethylene glycol, that is soluble in both water and the hydrocarbon. Preferably, the particles are admixed with solid macroscopic particles of a filler material capable of generating a gas upon contact with water and compacted into a tablet, pellet or other solid unitary form for application to a water surface.Type: GrantFiled: April 27, 1979Date of Patent: February 10, 1981Assignee: Duane D. ErwayInventor: John J. Rowlette
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Patent number: 4242249Abstract: This invention relates to polymer/polyols prepared from an ethylenically unsaturated monomer or a mixture of such monomers and characterized by the utilization, in the preparation thereof, of certain preformed stabilizers tailored to the monomer system employed, a method of preparing such polymer/polyols, and to the preformed stabilizers themselves. In general, the stabilizer, compatible with the polyol portion of the polymer/polyol, comprises a copolymer of an anchor portion consisting of an ethylenically unsaturated monomer or mixture of such monomers and a solvatable portion consisting of a propylene oxide polymer having a number average molecular weight of at least 800. The resulting polymer/polyols are stable, fluid, essentially free from scrap and seeds as produced and contain relatively small polymer particles. In accordance with one aspect of this invention, the polymer particles are essentially spherical in shape.Type: GrantFiled: April 3, 1979Date of Patent: December 30, 1980Assignee: Union Carbide CorporationInventors: Russell Van Cleve, George H. Armstrong, Donald W. Simroth
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Patent number: 4235743Abstract: A very effective composition for inhibiting vapor losses of stored hydrocarbons comprises a mixture of a fluorosurfactant, a silicone surfactant, a polyglycol, and a glycol ether. Indeed, a method for retarding evaporation of volatile hydrocarbons from a body of liquid hydrocarbon material is provided by forming a thin film of these compositions on the surface of the body of liquid hydrocarbons.Type: GrantFiled: September 30, 1977Date of Patent: November 25, 1980Assignee: Exxon Research & Engineering Co.Inventor: Gerard P. Canevari
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Patent number: 4233161Abstract: A sublimable composition comprising sublimable hydrocarbons and sublimable polar compounds, which is useful as a carrier for perfume, a mothproofing agent, a deodorant, and the like; a process for producing a molding from the above composition; and a sublimable multi-layer molding.Type: GrantFiled: December 20, 1977Date of Patent: November 11, 1980Assignee: Idemitsu Kosan Company LimitedInventors: Haruhito Sato, Hiroshi Ichikawa, Hiroshi Hayashi, Konomu Kurisaki
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Patent number: 4207197Abstract: Granular detergent compositions containing alkali metal polyphosphates are prepared by spraying an aqueous sodium silicate solution onto anhydrous alkali metal polyphosphates and optionally onto other dry ingredients, said aqueous sodium silicate solution containing from about 2% to about 20% by weight of a hydratable salt.Type: GrantFiled: August 9, 1978Date of Patent: June 10, 1980Assignee: The Procter & Gamble CompanyInventors: Jerry E. Davis, Frank J. Mueller, Gerald W. Novosel, Robert A. Staab
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Patent number: 4196095Abstract: Magnesium stearate is added to dry blended detergent or detergent additive compositions in order to disperse the compositions in wash water and prevent the formation of large insoluble lumps when the formulation is used in cold washing water, generally below 75.degree. F. The formulations also include a major proportion of one or more unhydrated or partially hydrated hydratable detergent builder salts, at least half of which is sodium carbonate, together with up to 30% by weight of a synthetic detergent active compound or mixture of such compounds.Type: GrantFiled: July 11, 1978Date of Patent: April 1, 1980Assignee: Church & Dwight Co. Inc.Inventors: Francis R. Cala, Anthony E. Winston
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Patent number: 4192756Abstract: Caking of potassium chloride and sodium chloride in the particle size range of 20 mesh and finer is inhibited by adding one or more alkaline earth or multi-valent metal salts of lignosulfonate in an amount by weight within the range of about 1% to about 20% to the potassium chloride or sodium chloride.Type: GrantFiled: November 13, 1978Date of Patent: March 11, 1980Assignee: Texas Brine CorporationInventor: Thomas C. Mondshine
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Patent number: 4180485Abstract: Detergent compositions containing organic surface active agents, water-insoluble aluminosilicate ion exchange materials, sodium silicate having an SiO.sub.2 :alkali metal oxide weight ratio of from about 1.4:1 to 1.9:1, and a hydratable salt of a water-soluble weak organic acid. The composition is produced by drying an aqueous slurry. The resulting composition is an effective laundry detergent in the form of crisp, free-flowing granules which are highly soluble when made and which maintain their solubility on aging.Type: GrantFiled: November 2, 1977Date of Patent: December 25, 1979Assignee: The Procter & Gamble CompanyInventor: Ramon A. Llenado
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Patent number: 4162990Abstract: 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.g., a polyethylene glycol, that is soluble in both water and the hydrocarbon. Preferably, the particles are admixed with solid macroscopic particles of a filler material capable of generating a gas upon contact with water and compacted into a tablet, pellet or other solid unitary form for application to a water surface.Type: GrantFiled: February 22, 1974Date of Patent: July 31, 1979Assignee: Duane D. ErwayInventor: John J. Rowlette
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Patent number: 4147658Abstract: Disclosed are compositions for suppressing and/or retarding the evaporation of water from dry cooling towers. The compositions contain: from 99.5 to 99.9 wt. percent of a light lubricating oil; 0.1 to 0.5 weight percent of an alkaline earth metal sulfonate and 30 to 150 parts per million of a polyacrylate-based defoaming agent.Type: GrantFiled: March 24, 1978Date of Patent: April 3, 1979Assignee: Texaco Inc.Inventors: Robert E. Savoit, Clemence J. Henry
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Patent number: 4139666Abstract: 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 sticking upon contact. In a preferred embodiment, powdered milk is used as a noncontaminating antitack agent to treat the interior surfaces of rubber tubing designed for use in the transport of milk.Type: GrantFiled: February 13, 1976Date of Patent: February 13, 1979Assignee: Phillips Petroleum CompanyInventor: Kenneth E. Snavely
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Patent number: 4138344Abstract: The invention concerns orthoester and orthocarbonate polymers having a repeating mer comprising a hydrocarbon radical and a symmetrical dioxycarbon unit of the general formula: ##STR1## WHEREIN R.sub.1 is a multivalent hydrocarbon radical, R.sub.2 and R.sub.3 are hydrocarbon radicals with at least one of R.sub.2 or R.sub.3 bonded to the dioxycarbon through an oxygen linkage, and which polymers are synthesized by reacting a polyol with an orthoester or orthocarbonate. The polymers are useful for making articles of manufacture, including devices and coatings for delivering beneficial agents.Type: GrantFiled: August 24, 1977Date of Patent: February 6, 1979Assignee: ALZA CorporationInventors: Nam S. Choi, Jorge Heller
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Patent number: 4130498Abstract: There are provided detergent compositions with improved flow characteristics which contain a highly-dispersed solid water-insoluble organic polymer, e.g. polycondensed aminoplasts such as urea-formaldehyde or melamine-formaldehyde polycondensation products as well as vinyl polymers such as polyacrylpolymers. In particular the detergent compositions comprise(a) 0 to 50% of an non-ionic synthetic surfactant(b) 50 to 80% of a builder(c) 0 to 25% of an anionic surfactant(d) 0.01 to 2.5% of the highly dispersed polymer,With the proviso that at least 5% of either a non-ionic or an anionic surfactant is present in the composition, the % being based on the weight of total finished detergent.Type: GrantFiled: September 14, 1976Date of Patent: December 19, 1978Assignee: Ciba-Geigy AGInventors: Frank Lee, James Allan, Charles Fearnley
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Patent number: 4123570Abstract: Preparation of ureaform granules. A concentrated aqueous solution of a urea-formaldehyde condensate is mixed with a catalyst which at normal temperature effects virtually no acid condensation, but a elevated temperature releases sufficient strong acid to effect the acid condensation in a few seconds. The mixture of solution and catalyst is sprayed over solid ureaform particles maintained in spaced interrelationship and at such a temperature that the catalyst is decomposed and effects acid condensation, whereby the sprayed particles are coated with a layer of ureaform and dried.Type: GrantFiled: June 29, 1977Date of Patent: October 31, 1978Assignee: Compagnie Neerlandaise de l'Azote (Societe Anonyme)Inventors: Willy H. P. Van Hijfte, Luc A. Vanmarcke, Anton Niks
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Patent number: 4099915Abstract: Compositions and methods for suppressing and/or retarding the evaporation of water from dry cooling towers. The compositions contain: from 99.5 to 99.9 wt. percent of a light lubricating oil; 0.1 to 0.5 weight percent of an alkaline earth metal sulfonate and 30 to 150 parts per million of a polyacrylate-based defoaming agent.Type: GrantFiled: July 13, 1977Date of Patent: July 11, 1978Assignee: Texaco Inc.Inventors: Robert E. Savoit, Clemence J. Henry
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Patent number: 4066400Abstract: Solidifiable petroleum wax is placed in liquid form to solidify on the surface of a pond, such as a degradant lagoon for deterring emanation of malodorous gases or collecting malodorous or energy latent gases, or a reservoir to deter evaporation. The entire cover can be of liquid solidified in situ on the surface of the pond or a sheet cover can be formed by placing solidifiable buoyant material in liquid form between premolded solid cover sections or cakes to which the liquid can bond in solidifying to join adjacent premolded sections. The premolded cakes and/or the buoyant material solidified in situ can include reinforcement, such as net, which preferably also is buoyant. A suitable solidifiable buoyant material is petroleum wax which can include woody material such as sawdust or shavings, serving as an adsorbent, filler and/or vehicle for treating materials, and/or other additives such as oxidizer material, deodorant material, catalysts, enzymes and/or nutrients for anaerobic bacteria.Type: GrantFiled: November 12, 1975Date of Patent: January 3, 1978Inventors: James P. Cox, Robert W. Beach
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Patent number: 4064063Abstract: An improvement in the process for the production of spray dried detergents containing nonionic tensides where the aqueous detergent slurry containing from 50% to 90% by weight of the total solids of the final spray dried detergent and from 0 to 5% at the most by weight of the total solids of nonionic tensides is sprayed into a conventional spray drier and simultaneously at the area of the spray cone a watersoluble powder is injected consisting of the remainder of the total solids of the final spray dried detergent having at least one nonionic tenside deposited thereon as a granulate where the ratio by weight of solids to nonionic tenside amounts to 50:1 to 5:1; whereby larger amounts of nonionic tensides can be incorporated into the final spray dried detergent without increased heating costs.Type: GrantFiled: June 25, 1975Date of Patent: December 20, 1977Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Wilfried Alder, Josef Huppertz, Herbert Latka, Gerhard Sperling
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Patent number: 4042529Abstract: A water dispersible particulate organic polymer is coated with a polyvinyl lactam-containing polymeric material to provide a particulate material which is readily dispersible in aqueous solutions with a minimum of agglomeration of the water soluble polymer.Type: GrantFiled: July 11, 1974Date of Patent: August 16, 1977Assignee: The Dow Chemical CompanyInventors: Kenneth H. Nimerick, Benny E. Simpson
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Patent number: 4040967Abstract: A water dispersible particulate organic polymer is coated with a polyvinyl lactam-containing polymeric material to provide a particulate material which is readily dispersible in aqueous solutions with a minimum of agglomeration of the water soluble polymer.Type: GrantFiled: June 27, 1975Date of Patent: August 9, 1977Assignee: The Dow Chemical CompanyInventors: Kenneth H. Nimerick, Benny E. Simpson
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Patent number: 4039470Abstract: Fresh fruits and vegetables are preserved by coating them with a waxy protective adhering film formed by spraying the fruits and vegetables with a volatile petroleum solvent solution of a waxy film-forming material and an alkyl aryl sulfonic acid solution of a fungicidal benzimidazole of the formulae ##STR1## wherein R.sub.1 is methyl, ethyl, isopropyl or sec-butyl;R.sub.2 is hydrogen, alkyl of 1 to 6 carbon atoms or alkenyl of 3 to 6 carbon atoms andR.sub.3 is alkyl of 1 to 12 carbon atoms; ##STR2## wherein R is a five-membered heterocyclic ring containing nitrogen and sulfur andR.sub.1 is hydrogen, lower alkyl of 1 to 5 carbon atoms or lower alkenyl of 3 to 6 carbon atoms and ##STR3## and allowing the solvent to evaporate. Excellent protection against fungi is attained by using benomyl or thiabendazole as the benzimidazole fungicide.Type: GrantFiled: September 24, 1976Date of Patent: August 2, 1977Assignee: FMC CorporationInventor: Arthur F. Kalmar
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Patent number: 4031024Abstract: The invention concerns a process for improving the stability and form of substantially anhydrous sodium metasilicate, and the compositions containing same, and the resulting products. According to the invention, sodium metasilicate is treated with at least one gluconic compound. The present invention is used in particular for detergent compositions.Type: GrantFiled: June 9, 1975Date of Patent: June 21, 1977Assignee: Societe Francaise des Silicates Speciaux "Sifrance"Inventor: Georges Vrisakis
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Patent number: 4016894Abstract: Drag in turbulent aqueous streams is reduced by a powder composition of a finely divided hygroscopic drag reducing powder, for example poly(ethylene oxide), and a colloidal size hydrophobic powder, for example, an organosilicon modified colloidal silica, and an inert filler such as sodium sulphate. The powder composition is injected into the turbulent stream by first mixing the powder with water to form a slurry and immediately thereafter drawing the slurry through an eductor into a recycle stream between the downstream and upstream ends of a pump for the turbulent stream.Type: GrantFiled: August 28, 1975Date of Patent: April 12, 1977Assignee: Belknap CorporationInventors: Bruce B. Baldwin, Robert N. Hammer
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Patent number: 4016041Abstract: Enzyme-marumes are rendered less sticky and better sievable by dusting them with MgO or MgO/MgCO.sub.3 as dusting powder.Type: GrantFiled: January 22, 1976Date of Patent: April 5, 1977Assignee: Lever Brothers CompanyInventor: Daniel Marten van Kampen
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Patent number: 4008193Abstract: Halogen-containing polymers are heat-stabilized by physiologically unobjectionable mixtures consisting of 10 to 70% by weight of an aluminum salt, 10 to 80% by weight of a calcium salt and 10 to 70% by weight of a zinc salt of an aliphatic mono- or dicarboxylic acid or an aromatic mono-, di-, or tricarboxylic acid.Type: GrantFiled: September 23, 1975Date of Patent: February 15, 1977Assignee: Hoechst AktiengesellschaftInventors: Franz Scheidl, Herbert Nies
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Patent number: 3998762Abstract: A granular or powdery detergent composition containing as a detergent active component a surfactant having a tendency to cake, wherein the composition contains as a caking-preventing agent the combination of (a) at least 0.2% by weight of a polyethylene glycol having a molecular weight of at least 2000 and (b) at least 0.2% by weight of at least one anhydrous organic acid, or anhydride, or salt thereof, selected from the group consisting of sulfosuccinic acid and its salts, maleic anhydride, maleic acid and its salts, succinic anhydride, succinic acid and its salts, the total amount of the components (a) and (b) being 0.4 to 40% by weight, based on the weight of the detergent composition.Type: GrantFiled: November 17, 1975Date of Patent: December 21, 1976Assignee: Kao Soap Co., Ltd.Inventors: Moriyasu Murata, Makoto Yamanaka, Fumio Sai, Takashi Fujino
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Patent number: 3993584Abstract: A coherent, weak agglomerated dustless solid particulate mass is formed from a mixture of discrete particles in the size range from less than about 1 micron to about 2,000 microns, and fibrillatable polytetrafluoroethylene (hereinafter referred to as PTFE) in an amount from about 0.02, but less than 1 percent and preferably less than 0.75 percent by weight based on total solids, by working the mixture in a dry or relatively dry state with a working action in an unconfined zone at a temperature in excess of 20.degree. C., but below the sintering temperature of PTFE or a temperature deleterious to said particles, whichever is lower, without changing the primary particle size range of the material.Type: GrantFiled: September 20, 1974Date of Patent: November 23, 1976Assignee: The Harshaw Chemical CompanyInventors: James E. Owen, J. William Vogt
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Patent number: 3990990Abstract: A method for preventing adhesion of rubber or rubber-like material to adjacent surfaces comprises treating a surface of rubber or rubber-like material with an aqueous solution of at least one water soluble aromatic compound having at least one --SO.sub.2 -- group. A surface active agent may be included coexistently in the aqueous solution.Type: GrantFiled: May 2, 1975Date of Patent: November 9, 1976Assignees: Dai-Ichi Kogyo Seiyaku Co., Ltd., Bridgestone Tire Company LimitedInventors: Tatsuo Kojima, Akinobu Ichihara, Isao Togashi, Mikio Koga
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Patent number: 3980593Abstract: There is prepared a powdery anticaking agent for inorganic salts based on (A) an iron cyanide complex, (B) a water insoluble inorganic, inert, finely divided hydroxyl group containing material or a material able to form this in the production of the anticaking agent, (C) hydrophobizing and/or (D) hydrophilizing materials in which (A), (C) and/or (D) are employed on component (B) as a carrier together with (E) water in an amount of 20 to 50 weight percent, preferable 35 to 45 weight percent. The composition is prepared by intensively mixing the carrier (B) in the corresponding ratio in the dry state with the active materials at room temperature and then adding to this mixture so much water that the active components go into solution and as such are absorbed on the carrier and regulating the pH to 7 to 9, preferably 7 to 8.Type: GrantFiled: April 30, 1975Date of Patent: September 14, 1976Assignee: Deutsche Gold- und Silber-Scheideanstalt vormals RoesslerInventors: Helmut Knorre, Joachim Fischer
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Patent number: 3979318Abstract: Sodium percarbonate is stabilized by mixing therein sodium perborate and a hydrophobic liquid organic compound.Type: GrantFiled: December 13, 1974Date of Patent: September 7, 1976Assignee: Kao Soap Co., Ltd.Inventors: Fumikatsu Tokiwa, Takehiko Kobayashi
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Patent number: 3975296Abstract: This invention relates to compositions which are free-flowing, non-caking blends of liquid partially etherified methylolated melamines useful as tire cord adhesion promoters; more particularly, blends of liquid methyl ethers of methylolated melamines, carbon black and inert silica fillers.Type: GrantFiled: December 23, 1974Date of Patent: August 17, 1976Assignee: American Cyanamid CompanyInventor: Earl Kaplan
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Patent number: 3974089Abstract: A method is disclosed for preventing segregation of particles within a finely divided powder having disparate particle size ranges, compositions or densities. The method includes working the powder with a minute amount, preferably less than about 1% by weight of the powder, of a finely divided fibrillatable polytetrafluoroethylene resin (hereinafter referred to as PTFE) to form a mixture with the powder. The PTFE resin may be added to the powder as a colloidal aqueous dispersion or as a fine powder obtained by coagulation of the colloidal dispersion. Whichever form is used, the PTFE is intimately mixed with the finely divided powder to form a dry mixture. Alternatively, the PTFE resin may be blended with the powder in a wet treatment to facilitate the homogenous dispersion of the resin. In any event, the mixture of resin and powder is worked either in the wet state, preferably as a paste, or as a dry blend, using a masticating or kneading action to fibrillate the PTFE.Type: GrantFiled: September 20, 1974Date of Patent: August 10, 1976Assignee: The Harshaw Chemical CompanyInventors: James E. Owen, J. William Vogt
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Patent number: 3972825Abstract: Loss-of-dry inhibitors for surface-coating compositions containing oxidizable organic vehicles comprise metal salt solutions that contain 0.05 to 1.5% by weight of cobalt, 0.5 to 3.5% by weight of calcium, and 0.5 to 5.0% by weight of zinc or zirconium. The metals are present in the loss-of-dry inhibitor as salts of branched-chain aliphatic monocarboxylic acids having 6 to 14 carbon atoms, cycloaliphatic monocarboxylic acids having 6 to 10 carbon atoms, or mixtures of these acids.Type: GrantFiled: January 6, 1975Date of Patent: August 3, 1976Assignee: Tenneco Chemicals, Inc.Inventors: Roy T. Gottesman, George M. Kagan, Joseph Fath
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Patent number: 3960780Abstract: A granular or powdery detergent composition comprising from 3 to 25% by weight of a surfactant selected from ether sulfates having the formulae (I) and (II): ##EQU1## and ##EQU2## wherein R.sub.1 and R.sub.2 are hydrogen, alkyl having 1 to 21 carbon atoms or alkenyl having 1 to 21 carbon atoms, provided that the sum of the carbon atoms of R.sub.1 and R.sub.2 is 11 to 21, R.sub.3 is alkyl having 8 to 16 carbon atoms, n is a number of 1 to 10, and M is an alkali metal or an alkaline earth metal,And 10 to 100% by weight, based on said ether sulfate, of a polyethylene glycol having a molecular weight of 2,000 to 50,000.Type: GrantFiled: October 31, 1975Date of Patent: June 1, 1976Assignee: Kao Soap Co., Ltd.Inventors: Moriyasu Murata, Makoto Yamanaka, Fumio Sai
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Patent number: 3933673Abstract: Partial salts, particularly alkali metal salts, of polymeric aliphatic carboxylic acids are made by isolation from their aqueous solutions, the degree of neutralisation being not more than about 60%. The partial salts have improved storage properties which facilitates their use, for example in detergent compositions.Type: GrantFiled: December 22, 1970Date of Patent: January 20, 1976Assignee: Lever Brothers CompanyInventor: Richard Llewelyn Davies
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Patent number: 3933459Abstract: A stable ammonium polyphosphate fertilizer solution having a relatively high amount of magnesium is prepared by mixing aqueous ammonia with wet-process superphosphoric acid in a reaction zone to give a P.sub.2 O.sub.5 /N weight ratio within the range 3.6-4.0. The temperature of the reaction mixture is preferably maintained at about 50.degree.-70.degree.C. but the product solution should be cooled to about 25.degree.-35.degree.C. prior to storage. The product solution shows relatively low corrosion toward carbon steel storage tanks; however, to further reduce corrosion, the solution is preferably stored under a layer of liquid paraffin hydrocarbons.Type: GrantFiled: October 11, 1974Date of Patent: January 20, 1976Assignee: Allied Chemical CorporationInventors: William Percy Moore, James Earl Sansing
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Patent number: 3932316Abstract: A non-phosphate built granular detergent composition is prepared which exhibits a free-flowing character resulting from the addition to the composition of benzoate salts as an anti-caking aid.Type: GrantFiled: November 13, 1974Date of Patent: January 13, 1976Assignee: The Procter & Gamble CompanyInventors: John A. Sagel, Clarence Edward Weber