Organic Compound Containing Patents (Class 252/384)
  • Patent number: 6589442
    Abstract: A stable concentrated dust control composition comprises a mixture of crude tall oil and vegetable oil emulsified in water. The dust control composition is completely organic, non-corrosive, non-flammable, non-toxic, ecologically safe, readily dilutable with water, safe to use, easy to apply to a desired surface and environmentally responsible. The water soluble formula may be designed to penetrate into the surfaces to bind with surface materials to create a dust free durable surface safe to motorists. The composition suspresses dust, so it is unable to be picked up and be carried away by wind and water, therefore preventing soil erosion and damage to field crops. The composition also reduces airborne dust that carries disease causing pollutants that are transported to distant communities.
    Type: Grant
    Filed: August 10, 2000
    Date of Patent: July 8, 2003
    Assignee: Q-X Enviro Products Ltd.
    Inventors: Walter Wilson, Roy Baker, Vita Martez
  • Patent number: 6582627
    Abstract: A highly stable liquid formulation having broad spectrum preservative properties which constitutes an admixture of an alkanol-substituted DMH, an iodopropynyl compound, a stabilizer of a hydantoin, urea or derivative thereof, and a hydroxyl solvent. Preferably the constituents are dimethyloldimethylhydantoin, 3-iodo-2-propynyl-butyl carbamate, dimethylhydantoin, and a glycol solvent. The preservative preferably has a total formaldehyde content of 5% and less than 0.2% of free formaldehyde. The composition is prepared by successively admixing the alkanol-substituted dimethyl-hydantoin and the stabilizer, the hydroxyl solvent, and the iodopropynyl compound. Also described is a stabilized iodopropynyl compound preferably containing dimethylhydantoin as the stabilizer.
    Type: Grant
    Filed: June 9, 2000
    Date of Patent: June 24, 2003
    Assignee: Lonza Inc.
    Inventors: Patrick Jay Lutz, Susan Alcorn Ban, Thomas Edward Farina
  • Patent number: 6572927
    Abstract: A method for sealing porous building materials, using a polyurethane and/or epoxy resin based sealing composition. The composition can include a substance/substance mixture with a viscosity of less than 100 mPa·s at 12° C. which can be added to a porous building material. This substance/substance mixture can be based on an epoxy resin. This resin can chemically react once inside of a porous region of the building material to substantially fill the pore system.
    Type: Grant
    Filed: December 21, 2000
    Date of Patent: June 3, 2003
    Inventors: Gerd Pleyers, Klaus Littmann
  • Patent number: 6558705
    Abstract: 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 treating overly alkaline agricultural soil, and to substitute plain calcium sulfate for calcium hydroxide would degrade the particle repulsion effect. Substitutable acidified gypsum is made by absorbing about 5 milliliters sulfuric acid per 300 grams calcium sulfate. Blending unemulsified detergent range alcohol in a parts by weight ratio of about one-to-ten with the acidified gypsum produces a soil treatment product for suppressing evaporation of water from treated soil without impairing water infiltration into the same soil.
    Type: Grant
    Filed: December 20, 2000
    Date of Patent: May 6, 2003
    Inventor: Robert Neville O'Brien
  • Patent number: 6544441
    Abstract: The invention relates to frost-stable aqueous alkaline solutions of highly concentrated o-phenylphenol and to their use as preservatives.
    Type: Grant
    Filed: August 16, 2001
    Date of Patent: April 8, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Peter Wachtler, Hans-Peter Wirges
  • Patent number: 6541019
    Abstract: Use as preservative in formulations for topical use containing water of a component A): a (per)fluoropolyether phosphate of general formula: Rf—[CF2CH2—Q—L—P(O) (OZ1) (OZ2)]l  (I) wherein l=1 or 2; L is a bivalent linking group; Z1 equal to or different from Z2 selected from H, alkaline or ammonium cation, di- or tri-alkanolammonium cation, di- or tri- or tetra-alkylammonium cation; Rf is a (per)fluoropolyether chain having number average molecular weight in the range from about 400 to about 1,800.
    Type: Grant
    Filed: April 9, 2001
    Date of Patent: April 1, 2003
    Assignee: Ausimont S.p.A.
    Inventor: Giovanni Pantini
  • Patent number: 6540844
    Abstract: A method for forming a sol-gel on a metal surface to provide an interface for promoting adhesion between the metal surface and an organic resin involves application of at least one metal alkoxide compound having at least one labile sulfur atom, and at least one metal alkoxide compound having at least one reactive moiety which is capable of bonding with an organic resin. The metal alkoxide compound having at least one labile sulfur atom is capable of bonding to various metal surfaces, including surfaces of noble metals, such as gold, by a sulfur-metal linkage with the metal surface. The metal alkoxide compound having at least one labile sulfur atom reacts with the metal alkoxide compound having at least one reactive moiety which is capable of bonding with the organic resin to form a sol-gel which bonds to the surface of the metal, and which includes reactive moieties which are capable of bonding with an organic resin.
    Type: Grant
    Filed: November 8, 2000
    Date of Patent: April 1, 2003
    Assignee: Corning Incorporated
    Inventor: Russell A. Crook
  • Patent number: 6531075
    Abstract: Acids having a pKa of less than about 4 may be used to stabilize certain perfluoroalkyl alkyl ketones, particularly a substantially pure perfluoroalkyl alkyl ketone, a substantially pure aqueous solution of a perfluoroalkyl alkyl ketone or a substantially pure hydrate of a perfluoroalkyl alkyl ketone.
    Type: Grant
    Filed: October 29, 1999
    Date of Patent: March 11, 2003
    Assignee: Rhodia Limited
    Inventors: Christophe Rochin, Christopher Mark Richardson
  • Patent number: 6527982
    Abstract: A wood preservative additive composition which is effective against wood rot fungi (brown rot fungi, white rot fungi, soil bacteria and soft rot fungi), does not require specific treatment as defined in Water Pollution Control Law or the like, and is environmentally friendly when treating wastes. The composition has wood preservatives (Cyproconazole or the like) which are effective against brown rot fungi and/or white rot fungi, and wood preservatives (p-cumylphenol or the like) which are effective against soil bacteria and/or soft rot fungi.
    Type: Grant
    Filed: November 13, 2001
    Date of Patent: March 4, 2003
    Assignee: Sun Technochemicals Co., Ltd.
    Inventor: Miyato Higaki
  • Patent number: 6527981
    Abstract: Applicants have discovered that amine oxides enhance the performance of azoles as fungicides and wood preservatives. Also, amine oxides have been found to provide waterproofing properties and enhance the uniform distribution and penetration of azoles into wood substrates. The present invention provides a composition comprising an amine oxide and an azole, such as a 1,2,4-triazole. The composition of the present invention may be incorporated into or be a wood preservative and waterproofing system, or agricultural product. Another embodiment of the present invention is a method for preserving and/or waterproofing a wood substrate by applying the composition to the wood substrate. Yet another embodiment is an article comprising a wood substrate and the composition of the present invention. The invention also provides a method of controlling fungi comprising applying an effective amount of the composition of the present invention to the fungi or the area on which the fungi grow.
    Type: Grant
    Filed: May 24, 2000
    Date of Patent: March 4, 2003
    Assignee: Lonza Inc.
    Inventors: Chuen-ing Tseng, Leigh E. Walker
  • Patent number: 6514331
    Abstract: Coating compositions containing a bituminous material and an effective amount of a methyl/ethyl ester diluent for coating bulk solids are disclosed. The coating compositions of the present invention are particularly suited to reduce dust formation and cake formation in fertilizers.
    Type: Grant
    Filed: February 15, 2001
    Date of Patent: February 4, 2003
    Assignee: Arr-Maz Products, LP a division of Process Chemical, LLC
    Inventors: Glen R. Varnadoe, Stacy K. Spence
  • Patent number: 6514332
    Abstract: Coating compositions containing a bituminous material and an effective amount of a methyl/ethyl ester diluent for coating bulk solids are disclosed. The coating compositions of the present invention are particularly suited to reduce dust formation and cake formation in fertilizer and coal.
    Type: Grant
    Filed: January 22, 2002
    Date of Patent: February 4, 2003
    Assignee: Arr-Maz Products, LP, a division of Process Chemicals, LLC
    Inventors: Glen R. Varnadoe, Stacy K. Spence
  • Publication number: 20020156326
    Abstract: A composition based on dimethyl disulphide (DMDS) with a masked smell according to the invention comprises, by weight, at least 95% of DMDS, less than 500 ppm of methyl mercaptan, less than 100 ppm of dimethyl sulphide and up to 1% of at least one odor-masking agent.
    Type: Application
    Filed: January 14, 2002
    Publication date: October 24, 2002
    Inventor: Georges Fremy
  • Patent number: 6451224
    Abstract: 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 pH adjusted aqueous chelant product.
    Type: Grant
    Filed: July 11, 2001
    Date of Patent: September 17, 2002
    Assignee: The Dow Chemical Company
    Inventor: David A. Wilson
  • Patent number: 6395198
    Abstract: An anticaking and antidusting composition is disclosed that comprises a protein, a saccharide, an alkali metal or alkaline earth metal salt and an acid. The composition is effective in preventing the agglomeration or caking of particulate materials, namely inorganic salts, and can effectively treat such materials utilizing amounts less than 100 ppm by weight of material being treated. Methods of preparing the composition are also disclosed as well as methods for treating a particulate material with the composition.
    Type: Grant
    Filed: September 29, 2000
    Date of Patent: May 28, 2002
    Inventor: Biaise McArdle
  • Patent number: 6383307
    Abstract: An aqueous metal surface treatment composition that includes (A) an aqueous dispersion of a phenolic novolak resin that includes water and a reaction product of a phenolic resin precursor, a modifying agent and a multi-hydroxy phenolic compound wherein the modifying agent includes at least one functional moiety that enables the modifying agent to react with the phenolic resin precursor and at least one ionic moiety, (B) an acid and, optionally, (C) a flexibilizer. According to one embodiment the modifying agent is an aromatic compound. According to another embodiment the ionic moiety of the modifying agent is sulfate, sulfonate, sulfinate, sulfenate or oxysulfonate and the dispersed phenolic resin reaction product has a carbon/sulfur atom ratio of 20:1 to 200:1.
    Type: Grant
    Filed: January 22, 1999
    Date of Patent: May 7, 2002
    Assignee: Lord Corporation
    Inventors: Helmut W. Kucera, Yuan He
  • Patent number: 6355083
    Abstract: A dust control composition for and method of treating fertilizer particles, the composition comprising 10-100% by weight oxidized oil, 0-90% by weight non-oxidized oil, and 0-90% by weight wax. The fertilizer particle is selected from the group consisting of ammonium phosphate, potash, granulated single super phosphate, granular triple super phosphate, NP-fertilizer and NPK-fertilizer. A preferred composition includes a composition of 30-90% by weight oxidized oil, 10-70% by weight non-oxidized oil, and 10-70% by weight wax. The oxidized oil is selected from the group consisting of corn oil, canola oil, cottonseed oil, sunflower oil, soy oil, linseed oil, castor oil, tall oil, mixtures thereof, and distillation products and distillation residues thereof.
    Type: Grant
    Filed: January 24, 2000
    Date of Patent: March 12, 2002
    Assignee: ARR-MAZ Products, LP
    Inventor: Mark B. Ogzewalla
  • Patent number: 6303133
    Abstract: 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 octadecanol or a blend thereof, together with a high proportion of a soluble or sparingly soluble alkaline earth metal hydroxide, more particularly about five times the monolayer-forming constituent's weight when the hydroxide constituent is—as preferred for potable water evaporation reduction—calcium hydroxide procured as inexpensive pre-powdered agricultural hydrated lime. A melt-processing manner of producing the composition is described. When particles of the composition contact the body of water, so long as lime remains present in any floating particles, they will be individually positively charged, resulting in their repulsion from one another. This enhanced dispersal effect is due to the ionization of the calcium hydroxide.
    Type: Grant
    Filed: November 17, 1998
    Date of Patent: October 16, 2001
    Inventor: Robert Neville O'Brien
  • Patent number: 6194493
    Abstract: The present invention relates to the use of compounds of the formula (I) where the substituents are as defined in the description as a stabilizer for organic material against the harmful effect of light, oxygen and heat.
    Type: Grant
    Filed: September 3, 1998
    Date of Patent: February 27, 2001
    Assignee: Clariant GmbH
    Inventors: Thomas Stährfeldt, Mathias Mehrer
  • Patent number: 6143204
    Abstract: A highly stable liquid formulation having broad spectrum preservative properties which constitutes an admixture of a dialkanol-substituted DMH, an iodopropynyl compound, a stabilizer of a hydantoin, urea or derivative thereof, and a hydroxyl solvent. Preferably the constituents are dimethyloldimethylhydantoin, 3-iodo-2-propynylbutyl carbamate, dimethylhydantoin, and a glycol solvent. The preservative preferably has a total formaldehyde content of 5% and less than 0.2% of free formaldehyde. The composition is prepared by successively admixing the dialkanol-substituted dimethylhydantoin and the stabilizer, the hydroxyl solvent, and the iodopropynyl compound. Also described is a stabilized iodopropynyl compound preferably containing dimethylhydantoin as the stabilizer.
    Type: Grant
    Filed: June 19, 1998
    Date of Patent: November 7, 2000
    Assignee: Lonza Inc.
    Inventors: Patrick Jay Lutz, Susan Alcorn Ban, Thomas Edward Farina
  • Patent number: 6143197
    Abstract: A composition capable of scavenging oxygen composed of (i) a copolymer having long chain branches comprising units derived from monomers of ethylene and at least one vinyl unsaturated alicyclic monomer; (ii) a transition metal catalyst; (iii) preferably, with a photoinitiator; and (iv) optionally, a polymeric diluent.
    Type: Grant
    Filed: July 23, 1999
    Date of Patent: November 7, 2000
    Assignee: Cryovac, Inc.
    Inventors: William John Gauthier, Drew Ve Speer
  • Patent number: 6110525
    Abstract: A coating composition which forms a peelable coating for protecting surfaces of an object from the outside elements. The coating composition includes a latex of rubber particles and a UV absorber, wherein the rubber particles are present from about 35 to about 50 weight percent in the coating composition. The coating composition may also include from about 0.5 to about 4 weight percent of an antioxidant; from about 0.003 to about 0.03 weight percent of a biocide; from about 0.03 to about 0.08 weight percent of a defoamer; from about 0.07 to about 0.40 weight percent of a thixotropic agent; and a rust inhibitor, wherein all weight percents are based on the total weight of the coating composition. The method of using the composition includes coating the surface with a layer of the above-described coating composition and allowing the layer of coating composition to dry and form a coating which is capable of being peeled from the object.
    Type: Grant
    Filed: September 11, 1998
    Date of Patent: August 29, 2000
    Assignee: Pro-Sol, Inc.
    Inventor: LeRoy B. Stoddard
  • Patent number: 6099892
    Abstract: The present invention is directed to a composition adapted to be applied to coat a surface area of a vegetable in order to retard environmental degradation thereof. The composition comprises a film-former, a fungicide and a thickener distributed in a carrier liquid. The fungicide may be present in less than one percent (1%) by weight. The composition may include a pH buffer operative to maintain the pH of the mixture between 8.5-10.5. The film-former is operative to coalesce to form a film covering the surface area of the vegetable which is operative to retard dehydration thereof. The fungicide is entrapped throughout the film and is operative to inhibit mildew and fungus growth thereon. The present invention also provides a method of formulating a composition according to the present invention, as well as a method of protecting a decorative vegetable material using a composition according to the present invention.
    Type: Grant
    Filed: October 1, 1998
    Date of Patent: August 8, 2000
    Assignee: Pumpkin Ltd.
    Inventors: Phillip R. Masden, Earl J. Naville, Jr.
  • Patent number: 6039892
    Abstract: There is disclosed herein an oxygen absorbent composition comprising an organic oxygen absorbent (A) which neither absorbs nor releases moisture and in which an oxidizable main component is supported on a porous silicate having an average pore diameter of 200 to 5,000 .ANG., and a formaldehyde absorbent (B) which neither absorbs nor releases moisture and is at least one of an amine, a thiol and a sulfonic acid that is supported on a porous carrier. According to this invention cultural assets made of organic materials which are required to be kept in a medial humidity atmosphere can be preserved in an atmosphere of a medial humidity, a low oxygen concentration and a low formaldehyde concentration by the use of the disclosed oxygen absorbent composition.
    Type: Grant
    Filed: February 9, 1999
    Date of Patent: March 21, 2000
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Tomoharu Himeshima, Kazumoto Nakagawa, Tatsuo Iwai, Takayuki Watanabe
  • Patent number: 5972248
    Abstract: The present invention relates to novel stabilizers of the formula (I) ##STR1## in which the substituents have the meaning defined in the description. These novel stabilizers are particularly suitable for stabilizing organic material, such as plastics, oils, paints and coatings, against degradation by light, radiation, heat and oxygen.
    Type: Grant
    Filed: October 7, 1997
    Date of Patent: October 26, 1999
    Assignee: Clariant GmbH
    Inventors: Thomas Stahrfeldt, Josef Wiedemann, Matthias Zah
  • Patent number: 5932653
    Abstract: This invention is directed to a composition comprising a complex reaction product of an oil soluble cobalt soap and an oil soluble overbased calcium soap which serves as a "loss of dry" inhibitor, particularly in an oil-based paint, and as an accelerator with gel-time stabilizer and color development inhibitor characteristics in polyester polymerization.
    Type: Grant
    Filed: May 22, 1997
    Date of Patent: August 3, 1999
    Assignee: Troy Corporation
    Inventor: Milton Nowak
  • Patent number: 5906849
    Abstract: A composition for preserving fodder material,a) 5-41% by weight alkali and/or alkaline earth metal salts of benzoic acid, calculated as sodium salts in each case,b) 1-14% by weight alkali and/or alkaline earth metal salts of C.sub.1 -C.sub.3 carboxylic acids, calculated as sodium salts in each case,c) 10 to <59% by weight propionic acid, calculated as pure propionic acid, andd) >30-<80% by weight water,wherein the total amount of all the components a) to d) is 100% by weight, and the sum of b) and c) is less than 60% by weight, and wherein all % by weight are given with respect to the total amount of all the components a) to d), and a method of preparing the composition and its use for preserving fodder materials are described.
    Type: Grant
    Filed: April 24, 1997
    Date of Patent: May 25, 1999
    Assignee: Addcon Agrar GmbH
    Inventors: Burkhard Reuter, Bernd Kochannek
  • Patent number: 5840213
    Abstract: A method of improving the storage life of goods by storing the goods in an environment comprising heptafluoropropane at pressures of between about 0.1 atmospheres and about 2.0 atmospheres. Foods, pharmaceuticals, and other goods adversely affected by oxygen and/or moisture are effectively stored by the claimed method. The method is particularly effective for goods stored in plastic containers, and for goods stored in containers stoppered by rubber stoppers.
    Type: Grant
    Filed: March 14, 1997
    Date of Patent: November 24, 1998
    Assignee: Great Lakes Chemical Corporation
    Inventors: Charles J. Mazac, John S. Rubacha
  • Patent number: 5820787
    Abstract: 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 C.sub.4 to C.sub.12 and R2 is OH or H.
    Type: Grant
    Filed: April 14, 1997
    Date of Patent: October 13, 1998
    Assignee: BASF Corporation
    Inventors: Andrew J. McNabb, Teresa C. Webb
  • Patent number: 5762651
    Abstract: To prevent dusting of a solid such as a crop protection agent, a pharmaceutical or a dyestuff, there is added thereto as a dustproofing agent a compound of the formula I ##STR1## in which Z represents Z.sub.1 or Z.sub.2 whereZ.sub.1 denotes a bivalent radical of the formula ##STR2## in which W represents a direct bond or a C.sub.1 -C.sub.3 unit, andZ.sub.2 represents unsubstituted arylenedioxy, wherein the remaining variables are defined herein.
    Type: Grant
    Filed: August 6, 1996
    Date of Patent: June 9, 1998
    Assignee: Bayer Aktiengesellschaft
    Inventors: Horst Brandt, Hans Schulze, Thomas Nagel, Hans-Werner Petroll, Udo Herrmann
  • Patent number: 5733478
    Abstract: A method for reducing the rate of degradation of stored agrochemicals, particularly pesticides, is provided which essentially involves incorporating a stabilizing compound into the agrochemical in preparation for storage, with the stabilizing compound selected from the group consisting of a diol and a triol. In the preferred embodiment, a pesticide having the active ingredient METASYSTOX.RTM. has an improved shelf life with the addition of about 2 parts by weight of propylene glycol to about 25 parts by weight of METASYSTOX.RTM..
    Type: Grant
    Filed: September 24, 1996
    Date of Patent: March 31, 1998
    Assignee: Gowan Company
    Inventors: David C. Creech, James P. Glatzhofer, Shane A. Wyatt
  • Patent number: 5698005
    Abstract: The invention relates to a composition, which is simultaneously anticlumping and water-repellent, for salts, simple and complex fertilizers. This composition contains:on the one hand, an anticlumping product chosen from fatty amines, amine salts of phosphoric esters, amine salts of alkylarylsulphonic acids and mixtures thereof, andon the other hand, an anticlumping substance capable of imparting water-repellent properties and consisting of the product of the reaction of an alcohol or an amine with a carboxylic acid or anhydride bearing a hydrocarbon group having from 20 to 500 carbon atoms,as well as a formulation agent.
    Type: Grant
    Filed: September 25, 1995
    Date of Patent: December 16, 1997
    Assignee: CFPI Industries
    Inventors: Joseph Schapira, Jean-Claude Cheminaud, Pascal Petitbon, Dominique Imbert
  • Patent number: 5691296
    Abstract: 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 hydrated crystalline sodium aluminosilicate having a moisture content of less than 15%, preferably from 5% to 12%.
    Type: Grant
    Filed: January 16, 1996
    Date of Patent: November 25, 1997
    Assignee: The Procter & Gamble Company
    Inventors: Joseph Thomas Henry Agar, Paul Amaat Raymond G. France, Carole Patricia D. Wilkinson
  • Patent number: 5674624
    Abstract: Disclosed is a highly light-transmitting dust protective film composed of at least one member selected from the group consisting of transparent gels of oxides, hydroxides, organic group-containing oxides and organic group-containing hydroxides of polyvalent metals, formed by the sol-gel process.
    Type: Grant
    Filed: December 17, 1993
    Date of Patent: October 7, 1997
    Assignee: Mitsui Petrochemical Industries, Ltd.
    Inventors: Tetsuya Miyazaki, Mayumi Kawasaki, Takao Ohno
  • Patent number: 5667726
    Abstract: Disclosed is a highly light-transmitting dust protective film composed of at least one member selected from the group consisting of transparent gels of oxides, hydroxides, organic group-containing oxides and organic group-containing hydroxides of polyvalent metals, formed by the sol-gel process.
    Type: Grant
    Filed: January 25, 1994
    Date of Patent: September 16, 1997
    Assignee: Mitsui Petrochemical Industries, Ltd.
    Inventors: Tetsuya Miyazaki, Mayumi Kawasaki, Takao Ohno
  • Patent number: 5629045
    Abstract: Fouling of marine structures such as boats by shell bearing sea animals which attach themselves to such structures, such as barnacles, is inhibited by coatings containing lipid soluble, non-toxic, biodegradable substances which prevent the animals from sitting down on the structures. These substances attack the nervous system of the barnacle, neutralize the glue extruded by the barnacle, and otherwise prevent the barnacles from attaching themselves to surfaces immersed in the aqueous marine environment while being benign to the environment. A preferred inhibitor is pepper containing capsaicin. The inhibitor is incorporated into standard marine paints, impregnants, varnishes and the like.
    Type: Grant
    Filed: October 7, 1993
    Date of Patent: May 13, 1997
    Assignee: Richard L. Veech
    Inventor: Richard L. Veech
  • Patent number: 5538752
    Abstract: Compositions comprising melanin or melanin precursors are useful for preventing or controlling decay of substrates such as cellulosic and other porous organic substrates. The compositions provide useful wood preservatives, wound dressings, and the like. In one embodiment, the compositions comprise melanin complexed with metal ions, particularly copper. The compositions may be applied as penetrating or surface treatments. Certain melanins are also particularly useful for removing metal ions from liquids.
    Type: Grant
    Filed: February 13, 1995
    Date of Patent: July 23, 1996
    Assignees: Regents of the Univ. of Minnesota, Sandoz Ltd.
    Inventors: Robert A. Blanchette, Theresa S. Brush, Roberta L. Farrell
  • Patent number: 5480584
    Abstract: Dust-control treatment of dusty powder, which mainly passes through a 100 mesh sieve, such as pigment and fertilizer, is achieved by, firstly blending the dusty powder with fibrillatable polytetrafluoroethylene and a pair of materials capable of initiating an exothermic reaction upon contact, and then subjecting the blended material to compression-shear under the exothermic reaction and raising the temperature of the blended material to 50.degree.-300.degree. C. The polytetrafluoroethylene fibrillates during the compression-shear and the formed fibrils enclose the dusty powder to turn it to a dust-controlled one.
    Type: Grant
    Filed: April 26, 1995
    Date of Patent: January 2, 1996
    Assignees: Murakashi Lime Industry Co., Ltd., Nippon Hodo Co., Ltd., Dupont-Mitsu Fluorochemicals Co., Ltd.
    Inventors: Teruo Urano, Hiroshi Miyaji, Masatsune Ogura, Tetsuya Shimoda, Katuaki Ishikawa
  • Patent number: 5462589
    Abstract: The invention is directed to synergistic biocidal compositions that combine a copper salt and an organic biocide selected from the group of tribromophenol, its salts and chelates, and sodium-omadine, its salts and chelates. Wood treated with the preservative compositions have improved fungi resistance.
    Type: Grant
    Filed: February 22, 1994
    Date of Patent: October 31, 1995
    Assignee: Mississippi Forest Products Laboratory
    Inventors: Darrel D. Nicholas, Tor P. Schultz
  • Patent number: 5428092
    Abstract: The release agent compositions of the present invention comprise mixtures of amino-functional and amine-free polydimethylsiloxanes wherein the viscosity, amine equivalent and content of dimethylsiloxane oligomers containing up to 20 silicon atoms are within specified limits. The compositions do not evolve oily volatiles or silicon dioxide powder even during exposure to elevated temperatures.
    Type: Grant
    Filed: February 14, 1994
    Date of Patent: June 27, 1995
    Assignee: Dow Corning Toray Silicon Co., Ltd.
    Inventors: Hiroki Ishikawa, Tsutomu Naganawa, Isao Ona
  • Patent number: 5399190
    Abstract: A wood preservative composition including a mixture of two or more metallic soaps of long chain unsaturated fatty acids, which soaps have a metallic component selected from the group consisting of copper, zinc, chromium, iron, antimony, tin, cobalt, nickel, arsenic, boron, lead, magnesium, potassium and sodium, and a fatty acid component selected from two or more of the group consisting of oleic acid, linoleic acid, and linolenic acid, the composition being such that the ratio by mass of metallic soap of oleic acid:metallic soap of linoleic acid:metallic soap of linolenic acid is about 20-29:15-70:0-47.
    Type: Grant
    Filed: May 3, 1993
    Date of Patent: March 21, 1995
    Assignees: Shell South Africa (Pty.) Ltd., CSIR, Shell Research Ltd.
    Inventors: Wilhelm E. Conradie, Andrew J. Pendlebury, Antonio Pizzi, Denise Conradie
  • Patent number: 5399289
    Abstract: A composition for scavenging oxygen is disclosed. The composition comprises an ethylenically unsaturated hydrocarbon polymer which has 0.01-1.0 equivalents of carbon-carbon double bonds per 100 g of polymer and a transition metal catalyst and can be incorporated into various types of layers. The composition has an elongation-at-break of at least 20% and retains at least 50% of its original tensile strength after oxygen scavenging has occurred.
    Type: Grant
    Filed: October 1, 1992
    Date of Patent: March 21, 1995
    Assignee: W. R. Grace & Co.-Conn.
    Inventors: Drew V. Speer, Charles R. Morgan, William P. Roberts, Ram K. Ramesh
  • Patent number: 5387368
    Abstract: An oxygen scavenging composition comprising an intimate mixture of (A) a compound having a skeleton of the following formula (1), ##STR1## wherein R is a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, m is an integer of 3 to 5, and n is an integer of 1 to 3, provided that m+n equals 6,(B) a transition metal compound and (C) a phosphorus compound. This composition is useful in a variety of fields requiring prevention of rust formation on metal, prevention of oxidation and decay of an organic substance, preservation of foods, prevention of insects and prevention of mold.
    Type: Grant
    Filed: November 6, 1992
    Date of Patent: February 7, 1995
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Toshiaki Nishimura, Kazumi Tanaka, Masahiro Harada, Kiichiro Seki, Shuta Kihara
  • Patent number: 5383952
    Abstract: Dust is bound in fertilizer granules by spraying the granules with a solution of molasses and another oxygen-containing hydrocarbon from the group glycerin, polyethylene glycol and triethanolamine.
    Type: Grant
    Filed: March 16, 1994
    Date of Patent: January 24, 1995
    Assignee: Kali und Salz Aktiengesellschaft
    Inventors: Arno Singewald, Otto Wendt, Gunter Nurnberger, Dieter Paetz, Wolfgang Walczyk, Klaus-Dieter Muller
  • Patent number: 5378428
    Abstract: A method of preserving an article which includes enclosing the article and an oxygen absorbent parcel in a container having gas-barrier properties and sealing the container. The parcel is formed by packing an oxygen absorbent composition with a gas permeable packing material, the oxygen absorbent composition containing an linear hydrocarbon polymer having one or more unsaturated groups or a mixture of the polymer with an unsaturated fatty acid compound, an oxidation promoter, a basic substance and an adsorption substance.
    Type: Grant
    Filed: November 19, 1993
    Date of Patent: January 3, 1995
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Yoshiaki Inoue, Shigeru Murabayashi, Kazuo Fujinami, Isamu Yoshino, Takamasa Kawakami, Satoru Makinose, Akira Naito
  • Patent number: 5344482
    Abstract: The present invention relates to the use of thiadiazoles of the type ##STR1## in which R.sub.1, R.sub.2 and R.sub.3 =hydrogen,alkyl groups having 1-4 carbon atomssubstituted alkyl groups having 1-4 carbon atoms which are substituted by halogen, carboxyl, hydroxyl or nitro group,an alkoxyCN, halogen, NO.sub.2 orCOOR in which R=H or alkyl groups 1-4 carbon atoms,and the use of synergistic combinations of thiadiazoles with other biocidal substances as biocides for material protection. The compounds according to-the invention, which are distinguished by a broad, biocidal action spectrum, can be used in particular for wood preservation for preventing the destruction of wood by fungi or bacteria, for the biocidal treatment of plastics and as preservatives or disinfectants. The recommended concentrations for use are 0.01 to 15 percent by weight-preferably 0.1-3.0 percent by weight.
    Type: Grant
    Filed: September 15, 1993
    Date of Patent: September 6, 1994
    Assignee: Witco GmbH
    Inventors: Horst Landsiedel, Dirk Ventur
  • Patent number: 5286407
    Abstract: An oxygen absorbent composition containing a linear hydrocarbon polymer having one or more unsaturated groups or a mixture of a linear hydrocarbon polymer having one or more unsaturated groups with an unsaturated fatty acid compound and an oxidation promoter as essential components and optionally containing a basic substance and/or an adsorption substance; an oxygen absorbent parcel formed by packing the oxygen absorbent composition with a gas-permeable packing material; and a method of preserving an article by means of same.
    Type: Grant
    Filed: April 24, 1991
    Date of Patent: February 15, 1994
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Yoshiaki Inoue, Shigeru Murabayashi, Kazuo Fujinami, Isamu Yoshino, Akira Naito
  • Patent number: 5204024
    Abstract: A method for preventing agglomeration of powder, characterized in that a polyvinyl pyrrolidone and/or a vinyl pyrrolidone-vinyl ester copolymer is incorporated as an anti-agglomeration agent to the powder.
    Type: Grant
    Filed: May 22, 1992
    Date of Patent: April 20, 1993
    Assignee: Tosoh Corporation
    Inventors: Tadao Onaka, Hiroshi Fukuda
  • Patent number: 5196473
    Abstract: The present invention is directed to substantially dust-free granules. The granules are constituted by a normally dusty inorganic solid material and a water-dispersible nonionic vinyl polymer distributed thereon. The vinyl polymer promotes retention of dust size particles to the granules of the inorganic solid material.
    Type: Grant
    Filed: February 28, 1989
    Date of Patent: March 23, 1993
    Assignee: Oil-Dri Corporation of America
    Inventors: Rudolph C. Valenta, Leslie C. Giron
  • Patent number: 5156768
    Abstract: R12, which contains chlorine, and hydrogen-contributing lubricants react to form acids such as hydrogen chloride and hydrogen fluoride and simultaneously, R12 is converted to R22. Such reactions are undesirable because the acids which form destroy the metallic components of a refrigeration system and cause the breakdown of the lubricants.The present invention provides a compositions for use in compression refrigeration and air-conditioning which substantially reduce the occurrence of the foregoing problem.
    Type: Grant
    Filed: April 5, 1991
    Date of Patent: October 20, 1992
    Assignee: Allied-Signal Inc.
    Inventors: Raymond H. P. Thomas, Ruth H. Chen, Kenneth Harris