The Agent Contains Organic Compound Containing Oxygen (e.g., Carboxylic Acid Ester) Patents (Class 516/204)
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Patent number: 6960300Abstract: Aqueous solutions of diterpenes such as Forskolin, its congeners, analogs and derivatives, up to approximately 6% concentration, are prepared using suitably substituted cyclodextrin as a solubilizing agents. In the absence of cyclodextrin, some diterpenes such as Forskolin are soluble in water only to concentrations of about 0.001%. Such aqueous solutions find applications in topical and systemic use, as pharmaceutical, cosmeceutical, nutraceutical preparations containing diterpenes such as Forskolin and congeners.Type: GrantFiled: September 8, 2003Date of Patent: November 1, 2005Assignee: Sami Labs LimitedInventors: Muhammed Majeed, Arvind Kumar, Kalyanam Nagabhushanam, Subbalakshmi Prakash
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Patent number: 6946567Abstract: The present invention relates to a process for the skeletal isomerization of unsaturated linear fatty acids to branched fatty acids which comprises contacting said unsaturated linear fatty acids with at least one large pore zeolite catalyst wherein said at least one zeolite catalyst comprises a material having a three dimensional channel structure having a pore diameter of at least 6.0 ?. In another embodiment, the invention relates to a process for the skeletal isomerization and hydrogenation of unsaturated linear fatty acids to saturated branched fatty acids which comprises contacting said unsaturated linear fatty acids in the presence of an acidic catalyst, wherein said acidic catalyst comprises a mesoporous crystalline phase having pore walls containing primary and secondary crystalline building unit structures.Type: GrantFiled: January 9, 2003Date of Patent: September 20, 2005Assignee: Akzo Nobel N.V.Inventors: Shuguang Zhang, Zongchao Zhang, Dale Steichen
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Patent number: 6924315Abstract: The present invention provides compounds useful as surfactants having formula (1), including isomers thereof: wherein a and b are integers independently selected from about 3 to about 6; x is an integer from about 1 to about 12; (m+n) is from about 1 to about 4; the R1 groups are independently selected from the group consisting of linear, cyclic, and branched alkyl, alkenyl, aryl, and alkylaryl groups having from about C3 to about C30 atoms; and when (m+n) is equal to or greater than 2, each R1 may be independently R2 or R3, wherein R2 and R3 are independently selected from the group consisting of linear, cyclic, and branched alkyl, alkenyl, aryl, and alkylaryl groups having from about C3 to about C30 atoms. The invention also provides a method for reducing surface tension in a waterborne composition or an industrial process by the incorporation of a surfactant having formula (1) and an aqueous composition comprising a surfactant having formula (1).Type: GrantFiled: March 13, 2003Date of Patent: August 2, 2005Assignee: Air Products and Chemicals, Inc.Inventors: Christine Peck Kretz, Michael Edward Ford, Kevin Rodney Lassila
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Patent number: 6806234Abstract: Compounds of the formula H(CH2)zCOO—[C2H4O]xCyH2y+1 where z is 0-2, x is an integer from 1 to 5 and y is an integer from 4-9 are used as emulsion breakers and defoamers in formation treatment fluids in the recovery of hydrocarbons from subterranean formations. A preferred material has the formula HCOO—[C2H4O]3C6H7.Type: GrantFiled: August 19, 2002Date of Patent: October 19, 2004Assignee: Clearwater International, LLCInventors: Kevin W. Smith, Joseph Miller, Larry W. Gatlin
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Patent number: 6774261Abstract: This invention relates to high purity hydrogen ion buffers and in particular amino-organosulfonic acid zwitterionic compositions having low metal content. The concentration of any single metal in the composition is no greater than about 500 ppb, and ideally is less than about 20 ppb.Type: GrantFiled: August 29, 2002Date of Patent: August 10, 2004Assignee: Buffers & Biochemicals CorporationInventors: David Bow, Glenn Thomas Carroll
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Patent number: 6762208Abstract: The present invention pertains to a method for controlling the foaming of a waterborne composition or an industrial process by the incorporation of a foam controlling agent. The method comprises utilizing as the foam controlling agent a compound of the formula: HOR1R3C—[CH2]n—CR2R4OH R1 and R2 are independently selected from the group of alkyl radicals having from 3 to 6 carbon atoms. R3 and R4 are independently alkyl radicals having from 1 to 2 carbon atoms. n is an integer from 1 to 6. The compound generates an initial (t=0 min.) or a final (t=10 min.) foamed density at least 30% greater than that of a 0.5 wt % aqueous solution of a 12 mole ethoxylate of a C12-C15 primary alcohol (C12-C15E12) when added at 0.2 wt % to the C12-C15E12 solution. The present invention also pertains to an aqueous composition comprising the foam controlling agent.Type: GrantFiled: October 1, 2001Date of Patent: July 13, 2004Assignee: Air Products and Chemicals, Inc.Inventors: Joel Schwartz, Charles James Reader, Wim Peter Stout, Yong Jin Lee, Christine Marie Kretz
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Patent number: 6743262Abstract: Described are compositions comprising perfluoroalkyl haloalkyl ethers and, optionally, surfactant; uses for perfluoroalkyl haloalkyl ether compounds and compositions thereof, optionally comprising surfactant; and perfluoroalkyl haloalkyl ethers.Type: GrantFiled: January 8, 1999Date of Patent: June 1, 2004Assignee: 3M Innovative Properties CompanyInventors: Frederick E. Behr, Richard M. Flynn
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Publication number: 20040053172Abstract: Process solutions comprising one or more acetylenic diol type surfactants are used to improve the wettability of a substrate surface by lowering the contact angle of the aqueous developer solution are enclosed herein. In one embodiment, the process solution is used to prepare the surface of the substrate prior to the development of the resist coating layer.Type: ApplicationFiled: August 4, 2003Publication date: March 18, 2004Inventors: Peng Zhang, Danielle Megan King Curzi, Eugene Joseph Karwacki, Leslie Cox Barber
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Patent number: 6706768Abstract: Described is an alkoxylated composition that comprises a family of trans carbon-carbon double bond free compositions that generally have melting points that range from 30-80° C., preferably with melting points between 55-58° C. and with a solubility profile compatible with a broad range of cosmetic and industrial chemical bases. At room temperature (˜20° C.), this family of compositions varies from pourable liquids, to soft creams, to pasty waxes, to a brittle hard material. These compounds, whether used pure or when combined with other carrier and vehicle components (including other additives, thickeners or binders) can form excellent carrier and vehicles for delivery of compositions for use in the cosmetic, personal care and/or pharmaceutical field, including the cosmeceutical field where cosmetic compositions also provide pharmaceutical or other therapeutic benefits.Type: GrantFiled: March 21, 2002Date of Patent: March 16, 2004Assignee: International Flora Technologies, Ltd.Inventors: James H. Brown, Robert Kleiman, John C. Hill
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Patent number: 6689720Abstract: The present invention relates to a homogenous adjuvant blend for use in spray carriers containing herbicides. The homogenous adjuvant blend includes an oil, a pH adjuster, and nonionic surfactants.Type: GrantFiled: December 27, 2001Date of Patent: February 10, 2004Assignee: NDSU-Research FoundationInventors: Zenon J. Woznica, Calvin Messersmith, John Nalewaja
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Patent number: 6673359Abstract: The present invention teaches the composition of terminally modified, amino, polyether, siloxanes, known henceforth as amino siloxane alkokylates, and their use as adjuvants. The amino siloxane alkoxylates of the present invention enhance the efficacy of agrichemicals on plants as compared to conventional TSE's alone. The amino siloxane alkoxylates have at one end, an amine functionality and at the other end, a polyalkyleneoxide functionality.Type: GrantFiled: March 14, 2001Date of Patent: January 6, 2004Assignee: Crompton CorporationInventor: George A. Policello
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Patent number: 6645913Abstract: An adjuvant composition for pesticide formulations which exhibits reduced eye irritancy is comprised of a polyoxyalkylene aliphatic amine containing at least about 2 moles of an alkylene oxide group and an eye irritation reducing compound which simultaneously reduces the eye irritation caused by the polyoxyalkylene aliphatic amine and which complexes with metal ions such as calcium and iron which may be present in an aqueous solution of the adjuvant and a pesticide or a plant growth regulator. The eye irritation reducing compound is a carboxylic acid that is capable of complexing with or forming chelates with metal ions in aqueous solution while simultaneously reducing the eye irritation caused by the polyoxyalkylene aliphatic amine. The adjuvant also contains a mixture of polyhydric alcohols and, optionally, a defoamer. The adjuvant is particularly in N-phosphonomethylglycine (glyphosate) herbicidal formulations.Type: GrantFiled: April 22, 2002Date of Patent: November 11, 2003Assignee: Cognis CorporationInventor: Mickey R. Brigance
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Patent number: 6641986Abstract: Aqueous solutions comprising one or more acetylenic diol type surfactants are used to improve the wettability of a substrate surface by lowering the contact angle of the aqueous developer solution are enclosed herein. In one embodiment, the aqueous solution is used to prepare the surface of the substrate prior to development of the resist coating layer.Type: GrantFiled: August 12, 2002Date of Patent: November 4, 2003Assignee: Air Products and Chemicals, Inc.Inventors: Peng Zhang, Danielle Megan King, Eugene Joseph Karwacki, Leslie Cox Barber
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Patent number: 6593274Abstract: The present invention teaches the composition of terminally modified, amino, polyether, siloxanes, known hereforth as amino siloxane alkokylates, and their use as adjuvants. The amino siloxane alkoxylates of the present invention enhance the efficacy of agrichemicals on plants as compared to conventional TSE's alone. The amino siloxane alkoxylates have at one end, an amine functionality and at the other end, a polyalkyleneoxide functionality.Type: GrantFiled: March 20, 2001Date of Patent: July 15, 2003Assignee: Crompton CorporationInventor: George A. Policello
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Patent number: 6518320Abstract: A process additive for polyolefin films and foams produces products having reduced aging time and reduced greasiness and reduced grease-like transfer as compared to glycerol monostearate (GMS). Carbon dioxide based blowing agents are suitable. The process additive comprises a fatty acid Naliphatic alcohol amide of the general formula R—CON(R′)R″. R is a fatty hydrocarbon radical having from about 8 to 30 carbons. R′ typically is hydrogen. R′ can also be an alkyl radical of from about 1 to 6 carbons or an alkyl alcohol radical of from about 1 to 6 carbons. R″ is an alkyl alcohol fragment of from about 1 to 6 carbons. The alkyl alcohol fragments can be monohydric or polyhydric. Secondary fatty monoalkanolamides in which R′ is hydrogen are particularly useful, especially stearamide monoethanolamine (MEA).Type: GrantFiled: June 7, 2002Date of Patent: February 11, 2003Assignee: Sealed Air Corporation (U.S)Inventors: Nelson E. Malwitz, Natarajan S. Ramesh
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Patent number: 6506806Abstract: A composition for reducing surface tension comprising from about 0.1% to about 0.5% by weight of a hydrocarbon surfactant and from 0.0001% to about 0.3% by weight of a fluorocarbon surfactant, provided that the hydrocarbon surfactant is present at less than or equal to 0.08% by weight when the fluorocarbon surfactant is present at greater than or equal to 0.Type: GrantFiled: May 15, 2001Date of Patent: January 14, 2003Assignee: E. I. du Pont de Nemours and CompanyInventors: Charles Kenneth Taylor, Kai Volker Schubert, Richard David Koehler
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Patent number: 6489498Abstract: Silanes of the general formula are prepared, wherein R1, R2 and R3 in the molecule are the same or different and represent aliphatic or aromatic hydrocarbon groups, R4 is a divalent hydrocarbon group with 4 to 12 carbon atoms and a lateral hydroxyl group, wherein the hydrocarbon group can be interrupted by an ether oxygen, R5 is a hydrophilic, ionic group. A method for synthesizing these compounds is described. The silanes greatly lower the surface tension of aqueous solutions, the surface tension being reduced to values of about 23 mN/m. The silanes are biologically degradable and have pronounced surfactant properties.Type: GrantFiled: March 27, 2001Date of Patent: December 3, 2002Assignee: Th. Goldschmidt AGInventors: Klaus-Dieter Klein, Wilfried Knott, Götz Koerner, Manfred Krakenberg
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Patent number: 6432878Abstract: An adjuvant composition for pesticide formulations which exhibits reduced eye irritancy is comprised of a polyoxyalkylene aliphatic amine containing at least about 2 moles of an alkylene oxide group and an eye irritation reducing compound which simultaneously reduces the eye irritation caused by the polyoxyalkylene aliphatic amine and which complexes with metal ions such as calcium and iron which may be present in an aqueous solution of the adjuvant and a pesticide or a plant growth regulator. The eye irritation reducing compound is a carboxylic add that is capable of complexing with or forming chelates with metal ions in aqueous solution while simultaneously reducing the eye irritation caused by the polyoxyalkylene aliphatic amine. The adjuvant also contains a mixture of polyhydric alcohols and, optionally, a defoamer. The adjuvant is particularly in N-phosphonomethylglycine (glyphosate) herbicidal formulations.Type: GrantFiled: November 24, 1999Date of Patent: August 13, 2002Assignee: Cognis CorporationInventor: Mickey R. Brigance
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Patent number: 6432884Abstract: Compositions useful as adjuvants for agricultural chemical formulations are comprised of a lower alkanol ester of a fatty acid and an emulsifier package. The emulsifier package is comprised of a nonionic surfactant selected from the group consisting of an ethoxylated castor oil, an alkoxylated castor oil, an ethylene-propylene block copolymer, an ethoxylated-propoxylated alkyl phenol, an ethoxylated sorbitan fatty acid ester, a sorbitan fatty acid ester and an anionic surfactant selected from the group consisting of an ethoxylated partial phosphate ester, alkyl sulfate, an alkyl ether sulfate, a branched alkyl benzene sulfonate, a linear alkyl benzene sulfonate and an alpha olefin sulfonate. The adjuvants exhibit particularly good electrolyte tolerance and are stable to hard water when used in combination with fertilizers.Type: GrantFiled: December 3, 1998Date of Patent: August 13, 2002Assignee: Cognis CorporationInventor: Frank J. Lachut
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Patent number: 6350788Abstract: A low-foam wetting composition which, when mixed with water, enhances the penetration and spread of water on a plant, the composition containing: (a) an alkyl polyglycoside corresponding to formula I R—O—(G)x (I) wherein R is a primary hydrocarbon radical having from 8 to 18 carbon atoms, G is a glycose unit having 5 or 6 carbon atoms, and x is a number from 1 to 10; (b) an olefinically unsaturated alcohol; and (c) a lower water-soluble alcohol.Type: GrantFiled: October 22, 1999Date of Patent: February 26, 2002Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Claus-Peter Herold, Stephan Von Tapavicza, Heinz Mueller, Heinz Boettcher
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Patent number: 6337352Abstract: A method of improving the solubility of a defoaming non-ionic compound in an alkaline aqueous medium includes adding to the aqueous medium a defoaming compound an effective quantity of a compound having the formula: ROZn in which R represents a 2-ethyl hexyl radical, Z is a sugar residue, and n is between 1.1 and 2.Type: GrantFiled: December 20, 1999Date of Patent: January 8, 2002Assignee: Societe d'Exploitation de Produits pour les Industries Chimiques SeppicInventor: Alain Milius
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Patent number: 6313182Abstract: This invention provides water-based compositions, particularly coating, ink, fountain solution and agricultural compositions, manifesting reduced equilibrium and dynamic surface tension by the incorporation of a surface tension reducing amount of an acetylenic diol ethylene oxide/propylene oxide adduct of the structure where r and t are 1 or 2, (n+m) is 1 to 30 and (p+q) is 1 to 30. Also disclosed is a method for making random and block EO/PO adducts of acetylenic diols by reacting an acetylenic diol with EO and/or PO in the presence of a trialkylamine or Lewis acid.Type: GrantFiled: May 4, 1999Date of Patent: November 6, 2001Assignee: Air Products and Chemicals, Inc.Inventors: Kevin Rodney Lassila, Paula Ann Uhrin
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Patent number: 6300298Abstract: Composition (A) comprising: a) at least one compound of formula (I): (Z)y—(G)x—O—RA (I); b) at least one compound of formula (II): Z—O—[CH2—CH(R1)—O]n—RB (II); c) optionally one or more compounds of formula (IV): (G)x—O—RA (III), and d) optionally one or more compounds of formula (IV) HO—[CH2—CH(R1)—O]n—RB (IV), wherein the weight ratios of (I) to (II) is 0.1 to 10, (III)/(I) is 0 to 1, and (IV)/(II) is 0 to 1, and in each formula: Z is a —CH(CH3)—O—R2 group, wherein R2 is an aliphatic hydrocarbon radical of 1 to 30 carbons, y is greater than 0 and less than or equal to 3x+1; x is 1 to 5; n is 1 to 30; R1 is a hydrogen or methyl; G is the residue of a saccharide; RA and RB are independently a hydrocarbon radical of 1 to 30 carbons. Composition (A) has application as an antifoam in cleaning compositions.Type: GrantFiled: May 24, 1999Date of Patent: October 9, 2001Assignee: Societe d'Exploitation de Produits pour les Industries Chimiques SeppicInventors: Alain Milius, Jean-Pierre Boiteux, Maryse Carrausse
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Patent number: 6291401Abstract: The invention concerns the use of a composition containing a mixture of: (i) at least a fatty acid ester or alkoxylated fatty acid; and (ii) at least a terpenic derivative, as additive enhancing the efficacy of an active plant protective substance, in particular herbicide, fungicide, insecticide or regulating growth.Type: GrantFiled: October 12, 1999Date of Patent: September 18, 2001Assignee: Action PinInventors: Ghislain Dufau, Jean-Paul Lauilhe
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Publication number: 20010008652Abstract: A method for mixing an organic chemical substance with a carrier solvent, wherein the carrier solvent comprises at least one fluorinated solvent A selected from the group consisting of (perfluorohexyloxy)methane and tridecafluorohexane.Type: ApplicationFiled: January 8, 2001Publication date: July 19, 2001Applicant: Asahi Glass Company, LimitedInventors: Tsuyoshi Hanada, Masaaki Tsuzaki
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Patent number: 6238684Abstract: The present invention teaches the composition of terminally modified, amino, polyether, siloxanes, known henceforth as amino siloxane alkokylates, and their use as adjuvants. The amino siloxane alkoxylates of the present invention enhance the efficacy of agrichemicals on plants as compared to conventional TSE's alone. The amino siloxane alkoxylates have at one end, an amine functionality and at the other end, a polyalkyleneoxide functionality.Type: GrantFiled: December 10, 1998Date of Patent: May 29, 2001Assignee: OSi Specialties, Inc.Inventor: George A. Policello
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Patent number: 6235681Abstract: The present invention teaches the composition of terminally modified, amino, polyether, siloxanes, known henceforth as amino siloxane alkokylates, and their use as adjuvants. The amino siloxane alkoxylates of the present invention enhance the efficacy of agrichemicals on plants as compared to conventional TSE's alone. The amino siloxane alkoxylates have at one end, an amine functionality and at the other end, a polyalkyleneoxide functionality.Type: GrantFiled: February 24, 2000Date of Patent: May 22, 2001Assignee: CK Witco CorporationInventor: George A. Policello
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Patent number: 6221922Abstract: The present invention teaches that low foaming, superspreading compositions may be made the combination of three components (a) a tri or tetra-siloxane alkoxylate; (b) a siloxane polyether copolymer; and (c) a silicone foam control agent which is a tri or tetra siloxane propoxylate.Type: GrantFiled: March 23, 1999Date of Patent: April 24, 2001Assignee: Crompton CorporationInventors: George A. Policello, Sue L. Yang
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Patent number: 6147246Abstract: A process for alkoxylating an organic carbonate wherein an alkylene oxide is reacted with an organic carbonate such as a dialkyl carbonate in the presence of a catalytically effective amount of a calcium-containing catalyst to produce alkoxylated carbonates.Type: GrantFiled: December 23, 1999Date of Patent: November 14, 2000Assignee: Condea Vista CompanyInventors: Upali Weerasooriya, K. Lee Matheson, Dewey L. Smith, Paul A. Filler, Elida G. Partain, Kelly D. Knouse, Janet L. Watson
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Patent number: 6110977Abstract: Products of the reaction of epichlorohydrin and compounds having the formula IIR.sub.3 (EO).sub.n (PO).sub.m OH (II)wherein R.sub.3 is an alkyl, alkenyl or arenyl group having from 4 to 22 carbon atoms; a substituted alkyl or alkenyl group having from 4 to 22 carbon atoms wherein; n is a number from 0 to 50 and m is a number from 0 to 10; wherein the mole ratio of epichlorohydrin to (II) is from about 0.60/1 to about 2/1 are extremely efficient defoamers for aqueous surfactant systems are effective as defoamers, viscosity reducers and crystallization preventives for aqueous surfactant solutions, particularly alkyl polyglycosides.Type: GrantFiled: June 10, 1998Date of Patent: August 29, 2000Assignee: Henkel CorporationInventors: Stephen F. Gross, Michael S. Wiggins, Ronald W. Broadbent, David I. Devore, Timothy C. Morris
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Patent number: 6075060Abstract: An aqueous composition and a method of applying an aqueous composition to a surface in which the surface active properties of the composition are improved through addition of a new class of surfactants based on the trans isomers of olefinic diols having the formula: ##STR1## wherein each of R.sub.1, R.sub.2, R.sub.3, and R.sub.4 is the same or a different C1 to C9 linear or branched alkyl group and the total number of carbons atoms in the olefinic diol is between 12 and 17. The compounds are useful in lowering the equilibrium surface tension of aqueous organic compositions; for example, those used in coatings, inks and adhesives.Type: GrantFiled: March 3, 1998Date of Patent: June 13, 2000Assignee: Air Products and Chemicals, Inc.Inventor: Kristen Elaine Minnich
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Patent number: 6063602Abstract: The invention relates to a new lipopolysaccaride biosurfactant, a strain of Acinetobacter calcoaceticus which produces this biosurfactant, and a process for its preparation. The biosurfactant has a high emulsifying capacity, it promotes the biodegradation of hydrocarbons in water and favors the adhesion of microorganisms to the water/oil interface.Type: GrantFiled: December 16, 1998Date of Patent: May 16, 2000Assignee: EniTecnologie S.p.A.Inventors: Giulio Prosperi, Marcello Camilli, Francesco Crescenzi, Eugenio Fascetti, Filippo Porcelli, Pasquale Sacceddu
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Patent number: 6051615Abstract: A process for reducing foam in an alkyl polyglycoside-containing cleaning composition by adding a defoaming-effective amount of an alkyl polyglycoside having the general formula I:R.sub.1 O(Z).sub.a Iwherein R.sub.1 is a monovalent organic radical having from 16 to 18 carbon atoms; Z is a glucose residue having 5 or 6 carbon atoms; a is a number having a value of from 1 to about 6, to a cleaning composition containing an alkyl polyglycoside having the general formula II:R.sub.2 O(Z).sub.a IIwherein R.sub.2 is a monovalent organic radical having from 8 to 16 carbon atoms; Z is a glucose residue having 5 or 6 carbon atoms; a is a number having a value of from 1 to about 6.Type: GrantFiled: June 16, 1997Date of Patent: April 18, 2000Assignee: Henkel CorporationInventors: Stephen F. Gross, John Frederick Hessel
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Patent number: 6015839Abstract: An anti-foaming composition and a cleaning composition including at least one defoaming nonionic surfactant and at least one alkylpolyglycoside of formula (I): ROZ.sub.n, in which R is a 2-ethylhexyl radical, Z is a saccharoid residue, and n is between 1 and 5.Type: GrantFiled: July 3, 1997Date of Patent: January 18, 2000Assignee: Societe d'Exploitation de Produits pour les Industries Chimiques SEPPICInventor: Alain Milius
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Patent number: 5998331Abstract: It has been discovered that organoamine modified siloxane alkoxylates overcome the antagonism associated with nonionic trisiloxane alkoxylates on pesticide uptake in plants. The organoamine modified siloxane alkoxylates of the present invention have the average general formula: AMe.sub.2 SiO[(Me).sub.2 SiO].sub.x [MeSi(Z)O].sub.y SiMe.sub.2 A, wherein x=0 to 1, y=0 to 2, with the proviso than when y=0, A is Z, A=is Z or Me, Z=RO(R.sup.1).sub.n R.sup.2 N(R.sup.3).sub.2, R is a divalent organic group having from 2 to 4 carbon atoms, R.sup.1 is an alkyleneoxide group containing 2 to 4 carbon atoms, R.sup.2 is a divalent organic group containing 2 to 6 carbons, R.sup.3 may be hydrogen, an alkyl radical with 1 to 4 carbons, an amino alkyl of one to four carbons, or an alkyl of 2 to 4 carbon atoms which may have hydroxy substitutions thereon. Each R.sup.3 may be the same or different.When R.sup.1 is oxyethylene, n is from 1 to 10, preferably 2 to 5. When R.sup.Type: GrantFiled: March 6, 1997Date of Patent: December 7, 1999Assignee: Witco CorporationInventor: George A. Policello
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Patent number: 5968872Abstract: The present invention teaches silicone polyether copolymers with a low degree of polymerization (3 to 4 Si units) provide control for foams generated by organosilicone based surfactants in water without the need for an additional antifoam component. The copolymer foam control agent is a compound of the formula(CH.sub.3).sub.3 SiO[SiO(CH.sub.3).sub.2 ].sub.X [SiOCH.sub.3 R.sup.1 ].sub.Y Si(CH.sub.3).sub.3wherein X+Y=1 to 2, Y.gtoreq.1, R.sup.1 is an alkyleneoxide group of the formula C.sub.a H.sub.2a O(C.sub.3 H.sub.6 O).sub.z R.sup.2 wherein a=3 to 4, z is 1 to 15, R.sup.2 is hydrogen, a hydrocarbon radical of 1 to 4 carbons or acetyl. This invention provides compositions for use in agricultural formulations that give improved foam control for foams generated from organosilicone surfactants in aqueous systems. The copolymer foam control agent is soluble in a surfactant matrix comprised of an organosilicone surfactant alone or in mixtures with short chain conventional surfactants.Type: GrantFiled: February 20, 1997Date of Patent: October 19, 1999Assignee: Witco CorporationInventors: George Policello, Gerald Murphy
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Patent number: 5941812Abstract: The invention relates to a storage-stable, concentrated, aqueous surfactant composition comprisinga) 40 to 75% by weight of one or more alkylglucosides of the formulaR.sup.1 O--?G!.sub.p (I)whereinR.sup.1 is an alkyl radical having 6 to 22 C atoms, in particular 12 to 18 C atoms, andG is the glucoside radical andP is a number from 1 to 3,b) 1 to 15% by weight of a fatty acid,c) 0 to 5% by weight of an electrolyte of alkali metal or alkaline earth metal halides andd) 5 to 59% by weight of water.Type: GrantFiled: June 14, 1996Date of Patent: August 24, 1999Assignee: Th. Goldschmidt AGInventors: Burghard Gruning, Christian Weitemeyer
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Patent number: 5928993Abstract: An aqueous composition which contains a low-foaming alkyl glycoside of the formula (I): ROG.sub.x wherein R is a branched alkyl group having 6-12 carbon atoms, G is a monosaccharide residue, and x is a number in the range of 1-5. When combined with a low-foaming amphoteric compound and/or a low-foaming nonionic alkoxylate, the composition has proved to have a surprisingly good wetting effect. In addition to the surfactant composition, the aqueous composition may contain active substances such as pesticides, herbicides, fertilizers, cleaning surfactants, and alkaline agents.Type: GrantFiled: October 9, 1997Date of Patent: July 27, 1999Assignee: Akzo Nobel nvInventor: Ingegard Johansson
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Patent number: RE37313Abstract: A homogeneous, essentially nonaqueous adjuvant composition containing at least one spray oil selected from the group consisting of: (a) vegetable oils; (b) fatty acids and blends thereof; (c) esterified fatty acids or blends thereof; (d) saponified fatty acids or blends thereof; (e) N,N-dimethylamide of the formula RCON(CH3)2 (f) polybutenes of the following formula a surfactant in an effective amount to emulsify said composition and a buffering agent in amount sufficient to reduce the pH to below about 7.Type: GrantFiled: November 25, 1998Date of Patent: August 7, 2001Assignee: Helena Chemical CompanyInventor: Johnnie Roberts