Additional Carbon Bonded Directly To Urea Nitrogen Patents (Class 564/58)
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Publication number: 20150144845Abstract: Provided is a solvent or solvent composition for organic transistor production that is excellent in solubility of an organic semiconductor material and that can form an organic transistor high in crystallinity. The solvent or solvent composition for organic transistor production according to the present invention is a solvent or solvent composition for organic semiconductor material dissolution, including a solvent A represented by the following formula (A). In the formula (A), R1 to R4 are the same or different, and represent a C1-2 alkyl group. R1 and R4 may be bound to each other to form a ring together with —N(R2)—C(?O)—N(R3)— in the formula.Type: ApplicationFiled: June 3, 2013Publication date: May 28, 2015Applicant: DAICEL CORPORATIONInventors: Youji Suzuki, Takeshi Yokoo, Yasuyuki Akai
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Patent number: 8940935Abstract: The disclosure provides curable inks including a bis-urea gelator having the structure of Formula I. wherein R and R? each, independently of the other, is a saturated aliphatic hydrocarbon group selected from the group consisting of (1) linear aliphatic groups, (2) branched aliphatic groups, (3) cyclic aliphatic groups, (4) aliphatic groups containing both cyclic and acyclic portions, any carbon atom of the saturated aliphatic hydrocarbon group may be optionally substituted with an alkyl group (cyclic or acyclic), wherein (1) and (2) groups have a carbon number of from about 1 to about 22 carbons, and wherein (3) and (4) groups have a carbon number of from about 4 to about 10 carbons; and X is selected from the group consisting of: (i) an alkylene group, (ii) an arylene group, (iii) an arylalkylene group, and (iv) an alkylarylene group.Type: GrantFiled: January 28, 2013Date of Patent: January 27, 2015Assignee: Xerox CorporationInventors: Naveen Chopra, Michelle N. Chretien, Barkev Keoshkerian, Jenny Eliyahu, Daryl W. Vanbesien, Adela Goredema
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Patent number: 8877968Abstract: Melanocortin receptor modulators, processes for preparing them and use thereof in human medicine and cosmetics are described. Melanocortin receptor modulators corresponding to formula (I): compositions containing them, processes for their preparation and their use in pharmaceutical or cosmetic compositions are also described.Type: GrantFiled: November 4, 2009Date of Patent: November 4, 2014Assignee: Galderma Research & DevelopmentInventors: Claire Bouix-Peter, Itaru Suzuki, Isabelle Pelisson, Pascal Collette, Samuel Tabet, Guillaume Lafitte
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Patent number: 8716320Abstract: The present invention provides novel heterocyclic urea compounds having useful antibacterial activity, pharmaceutical compositions comprising one or more of these compounds, methods of making the same, and methods of using the same.Type: GrantFiled: July 23, 2007Date of Patent: May 6, 2014Assignee: Replidyne, Inc.Inventors: Joseph Guiles, Thale Jarvis, Sarah Strong, Xicheng Sun
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Patent number: 8642807Abstract: Crystallized diacetylenic compounds having certain crystallographic and other characteristics; diacetylenic compounds and mixtures crystallized from diacetylenic solutions; methods of preparing and identifying solvent systems for dissolving diacetylenic compounds; diacetylenic solutions; methods of recrystallizing diacetylenic compounds; crystals of 2,4-hexadiyn-1,6-bis(alkylurea) compounds; and ambient condition indicators and time-temperature condition indicators comprising crystallized diacetylenic compounds.Type: GrantFiled: June 21, 2012Date of Patent: February 4, 2014Assignee: Temptime CorporationInventors: Ray H. Baughman, Lee J. Hall, Mikhail Kozlov, Dawn E. Smith, Thaddeus Prusik
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Patent number: 8604239Abstract: The present invention provides manufacturing of and the use of novel diethylene tricarbamide and its condensation reaction products formed by reacting with formaldehyde as wood composite binder resins and in other applications. These resins have thermosetting capabilities and therefore usefulness as binders for wood and other materials with superior resin properties of low cost, colorlessness, exceptionally good binding, and fast curing characteristics, as well as very low formaldehyde emissions. The synthesized novel starting material for the thermosetting resins of the present invention is diethylene tricarbamide.Type: GrantFiled: April 27, 2012Date of Patent: December 10, 2013Assignee: Mississippi State University Research and Technology CorporationInventor: Moon Kim
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Patent number: 8466200Abstract: The present invention relates to 2-adamantylurea derivatives of formula I as selective inhibitors of the enzyme 11-beta-hydroxysteroid dehydrogenase type 1 (11?-HSD1) and the use of such compounds for the treatment and prevention of metabolic syndrome, diabetes, insulin resistance, obesity, lipid disorders, glaucoma, osteoporosis, cognitive disorders, anxiety, depression, immune disorders, hypertension and other diseases and conditions.Type: GrantFiled: February 7, 2012Date of Patent: June 18, 2013Assignee: Merck Patent GmbHInventors: Denis Carniato, Christine Charon, Johannes Gleitz, Didier Roche, Bjoern Hock
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Patent number: 8389764Abstract: The invention relates to compounds of the formula I as defined herein, which are inhibitors of activated thrombin-activatable fibrinolysis inhibitor. The compounds of the formula I are suitable for manufacturing medicaments for the prophylaxis, secondary prevention and therapy of one or more disorders which are associated with thromboses, embolisms, hypercoagulability or fibrotic changes.Type: GrantFiled: June 8, 2009Date of Patent: March 5, 2013Assignee: SanofiInventors: Christopher Kallus, Mark Broenstrup, Werngard Czechtizky, Andreas Evers, Markus Follmann, Nis Halland, Herman Schreuder
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Publication number: 20130001092Abstract: There is provided a mixture having a freezing point of up to 100° C. formed by a process comprising the step of contacting: (A) from 1 to 2 equivalents of a compound of formula (I) AlX3 (I) wherein each X independently represents Cl, Br or F; with (B) 1 equivalent of a compound of formula (II) R1—C(O)—N(R2)(R3) (II) wherein R1 to R3 have meanings given in the description. There is also provided further mixtures containing additional components, as well as methods of using the mixtures in various applications, such as for the electroreduction of the mixtures to produce aluminium metal.Type: ApplicationFiled: November 25, 2010Publication date: January 3, 2013Inventors: Andrew Peter Abbott, Hadi Mohammad Ali Abood
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Publication number: 20120330059Abstract: Crystallized diacetylenic compounds having certain crystallographic and other characteristics; diacetylenic compounds and mixtures crystallized from diacetylenic solutions; methods of preparing and identifying solvent systems for dissolving diacetylenic compounds; diacetylenic solutions; methods of recrystallizing diacetylenic compounds; crystals of 2,4-hexadiyn-1,6-bis(alkylurea) compounds; and ambient condition indicators and time-temperature condition indicators comprising crystallized diacetylenic compounds.Type: ApplicationFiled: June 21, 2012Publication date: December 27, 2012Applicant: Temptime CorporationInventors: Ray H. BAUGHMAN, Lee J. HALL, Mikhail KOZLOV, Dawn E. SMITH, Thaddeus PRUSIK
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Publication number: 20120316058Abstract: The present invention relates to salts having thiouronium or uronium cations, to processes for the preparation thereof, and to the use thereof as ionic liquids.Type: ApplicationFiled: August 21, 2012Publication date: December 13, 2012Applicant: MERCK PATENT GMBHInventors: Nikolai (Myloka) IGNATYEV, Urs WELZ-BIERMANN, German BISSKY, Helge WILLNER, Andriy KUCHERYNA
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Publication number: 20120053342Abstract: The present invention provides methods of forming carbamates, ureas, and isocyanates. In certain embodiments these methods include the step of reacting an amine with an ester-substituted diaryl carbonate to form an activated carbamate which can be further derivatized to form non-activated carbamate or a urea. The urea or carbamate can be subjected to a pyrolysis reaction to form isocyanate.Type: ApplicationFiled: November 4, 2011Publication date: March 1, 2012Applicant: SABIC INNOVATIVE PLASTICS IP B.V.Inventors: Hatem Abdallah Belfadhel, Hans-Peter Brack, Ricardo Godoy-Lopez, Dennis James Patrick Maria Willemse
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Patent number: 7981393Abstract: A method of preparing salt of dinitramidic acid, comprising nitration of an initial compound with a nitrating acid mixture to form dinitramidic acid in a reaction mixture. A positive ion is added to the reaction mixture and forms with the dinitramide ion an ion pair complex which precipitates in the acidic reaction mixture, and the precipitate is separated from the mixture. The remaining spent acid can be reprocessed for recovery of acid for preparation of a new nitrating acid mixture. The preferred positive ion is the guanylurea ion which gives a precipitate of guanylurea dinitramide. The precipitate can be used as starting material for preparation of other dinitramide salts, such as KDN and ADN. The guanylurea ion can be formed in situ in the process by cyanoguanidine being reacted with the reaction mixture.Type: GrantFiled: January 21, 2005Date of Patent: July 19, 2011Assignee: Försvarets MaterielverkInventors: Carin Vörde, Henrik Skifs
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Publication number: 20110123600Abstract: Methods of treating acne are provided. The methods involve applying to the acne an alkyl urea in a pharmaceutically acceptable carrier. The use of an alkyl urea in the manufacture of a medicament for the treatment of acne is also provided. Compositions of alkyl ureas in a pharmaceutically acceptable carrier are additionally provided.Type: ApplicationFiled: November 5, 2010Publication date: May 26, 2011Inventor: Arye Rubinstein
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Publication number: 20100261015Abstract: The present invention relates to a process for preparing ethylene urea in solid form, in which a water-comprising product melt of ethylene urea is cooled on a breaking-up apparatus and the water content of the solid obtained is from 5 to 15% by weight. Furthermore, the invention relates to ethylene urea as solid prepared by a process according to the invention, wherein the water content of the solid is from 5 to 15% by weight and the solid displays lasting powder flow.Type: ApplicationFiled: December 10, 2008Publication date: October 14, 2010Applicant: BASF SEInventors: Henry Szafranski, Stefanie Werland, Peter Raatz, Joachim Simon
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Patent number: 7704988Abstract: This invention provides cholesterol absorption inhibitors of Formula I: and the pharmaceutically acceptable salts and esters thereof. The compounds are useful for lowering plasma cholesterol levels, particularly LDL cholesterol, and for treating and preventing atherosclerosis and atherosclerotic disease events.Type: GrantFiled: October 4, 2006Date of Patent: April 27, 2010Assignee: Merck & Co., Inc.Inventors: Robert J. DeVita, Gregori J. Morriello, Peter Lin
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Publication number: 20090047435Abstract: One aspect of the invention is a compound of formula (I) Ro-[L-(CqH2qS)pCrH2rRf]2??(I) wherein Ro is a divalent organic group having 2 to 40 carbon atoms; L is a linking group selected from —NHC(O)NH— or —C(O)NH— wherein the left side of the linking group is bonded to Ro; p is an integer of 0 or 1; q is an integer of 2 to 10; r is an integer of 1 to 10; and Rf is a linear or branched C1-C6 perfluoroalkyl group. Another aspect of the invention is a composite material comprising a porous support and a porous nanoweb, wherein said porous nanoweb comprises fibrous structures of between about 10 nm and about 1000 nm effective average fiber diameter as determined with electron microscopy; said fibrous structures being comprised of one or more compositions of formula (I). Another aspect of the invention is a method for making a composite material comprising a porous support and a porous nanoweb.Type: ApplicationFiled: August 13, 2007Publication date: February 19, 2009Inventors: Keith Ward Hutchenson, Anilkumar Raghavanpillai, Stefan Reinartz
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Publication number: 20080255239Abstract: Therapeutic compounds, and methods, compositions, and medicaments related thereto are disclosed herein.Type: ApplicationFiled: March 28, 2008Publication date: October 16, 2008Inventors: Ken Chow, Wenkui K. Fang, Evelyn G. Corpuz, Daniel W. Gil, Michael E. Garst
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Patent number: 7087676Abstract: Blocked polyisocyanates and one-component stoving systems containing these blocked polyisocyanates, and the preparation thereof and their use for the preparation of lacquers, paints, adhesives and elastomers, wherein blocked polyisocyanates are prepared by reacting polyisocyanates with secondary amines corresponding to the formula wherein R1—R4 can be identical or different and denote hydrogen, C1–C6-alkyl or cycloalkyl, R5 denotes C1–C10-alkyl, C3–C10-cycloalkyl, y denotes a number from 2 to 8, and B represents wherein R6–R8 can be identical or different and independently of one another denote C1–6-alkyl and/or C3–C6-cycloalkyl, R9 denotes hydrogen or C1–6-alkyl or C3–C6-cycloalkyl.Type: GrantFiled: June 23, 2004Date of Patent: August 8, 2006Assignee: Bayer Materialscience AGInventors: Jan Mazanek, Reinhard Halpaap, Markus Mechtel, Thomas Klimmasch, Christoph Thiebes
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Patent number: 6734321Abstract: The invention relates to novel composite materials comprising (a) an inorganic or organic bulk material having covalently bound to its surface initiator moieties for radical polymerization; and (b) a hydrophilic surface coating obtainable by applying one or more different ethylenically unsaturated hydrophilic macromonomers of formula (1) as outlined in the claims to the bulk material surface provided with the initiator radicals and polymerizing said macromonomers. The composite materials of the invention have desirable characteristics regarding adherence to the substrate, durability, hydrophilicity, wettability, biocompatibility and permeability and are thus useful for the manufacture of biomedical articles such as ophthalmic devices.Type: GrantFiled: June 20, 2002Date of Patent: May 11, 2004Assignee: Novartis AGInventors: Peter Chabrecek, Jens Höpken, Dieter Lohmann
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Patent number: 6686502Abstract: The present invention provides 1,4 substituted piperazines, 1,4 substituted piperidines, and 1-substituted,4-alkylidenyl piperidines compounds. The compounds of the invention are dual acting molecules having both leukotriene inhibition properties as well as antihistaminergic properties. The compounds of the invention are useful for treating conditions in which there is likely to be a histamine and/or leukotriene component. These conditions include preferably asthma, seasonal and perennial allergic rhinitis, sinusitus, conjunctivitis, food allergy, scombroid poisoning, psoriasis, urticaria, pruritus, eczema, rheumatoid arthritis, inflammatory bowel disease, chronic obstructive pulmonary disease, thrombotic disease and otitis media. Also provided are methods of treating asthma and rhinitis by administering an effective asthma and rhinitis-relieving amount of the compounds to a subject in need thereof.Type: GrantFiled: March 11, 2003Date of Patent: February 3, 2004Assignee: UCB S.A.Inventors: Xiong Cai, Timothy Lewis
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Patent number: 6620228Abstract: Resins and waxes made by reacting selected nucleophiles, including alcohols and/or amines, with an isocyanate are disclosed. The order of addition of the isocyanate and the different nucleophiles can tailor the distribution of di-urethane, mixed urethane/urea, and/or di-urea molecules in the final resin product. The isocyanate-derived resin and wax materials are useful as ingredients as phase change ink carrier compositions used to make phase change ink jet inks.Type: GrantFiled: May 13, 1998Date of Patent: September 16, 2003Assignee: Xerox CorporationInventors: Clifford R. King, Loc V. Bui, Jeffrey H. Banning, Donald R. Titterington
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Patent number: 6552092Abstract: The invention relates to compositions for defoaming aqueous media, comprising as defoamers urea derivatives of the formula I where R1—is a hydrocarbon radical, preferably having 4 to 30 carbon atoms or a hydrocarbon radical, preferably having 4 to 24 carbon atoms and one nitrogen atom or a hydrocarbon radical, preferably having 4 to 30 carbon atoms and one carbonyl group, R2—is a hydrogen atom or a hydrocarbon radical, preferably having 1 to 24 carbon atoms, R3—is a hydrogen atom or a hydrocarbon radical, preferably having 1 to 24 carbon atoms, R4—is an organic radical, preferably having 2 to 30 carbon atoms, and n—is from 0 to 5; in the form of solid particles, which are obtained by crystallization from a clear homogeneous melt dispersed in a carrier medium, and a process of preparation thereof.Type: GrantFiled: February 5, 2002Date of Patent: April 22, 2003Assignee: Goldschmidt AGInventors: Thomas Ebbrecht, Michael Gippert, Martina Hartmann, Wolfgang Josten, Peter Muss, Stefan Silber, Roland Sucker
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Patent number: 6531499Abstract: Peptoid compounds of Formula I and Formula II are disclosed The compounds are useful in the treatment of matrix metalloproteinase-mediated disorders.Type: GrantFiled: July 23, 2001Date of Patent: March 11, 2003Assignee: Wisconsin Alumni Research FoundationInventors: Donald T. Witiak, Paul J. Bertics, Yingsheng Zhang
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Publication number: 20020161225Abstract: Phenylurethane compounds of the following general formula (1); asymmetric urea compounds of the following general formula (10) obtained from the phenylurethane compounds; barbituric acid derivatives of general formula (18) produced from the asymmetric urea compounds, which have specific substituents and are useful in diazo thermal recording materials; and diazo thermal recording materials containing the barbituric acid derivative.Type: ApplicationFiled: February 19, 2002Publication date: October 31, 2002Applicant: FUJI PHOTO FILM CO., LTD.Inventors: Akinori Fujita, Naoto Yanagihara, Yohsuke Takeuchi, Daisuke Arioka, Kimi Ikeda, Sachiko Arai
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Patent number: 6355829Abstract: The present invention relates to aspartate-terminated urea/urethane prepolymers that are based on the reaction products of NCO prepolymers with compounds corresponding to the formula wherein X represents an organic group which has a valency of n and is inert towards isocyanate groups at a temperature of 100° C. or less, R1 and R2 may be identical or different and represent organic groups which are inert towards isocyanate groups at a temperature of 100° C. or less, R3 and R4 may be identical or different and represent hydrogen or organic groups which are inert towards isocyanate groups at a temperature of 100° C. or less and n represents an integer with a value of at least 2, at an equivalent ratio of aspartate groups to isocyanate groups of 1.5:1 to 20:1. The present invention also relates to coating compositions containing the aspartate-terminated urea/urethane prepolymers and a polyisocyanate.Type: GrantFiled: September 2, 1999Date of Patent: March 12, 2002Assignee: Bayer CorporationInventors: Richard R. Roesler, Lyubov K. Gindin, P. Richard Hergenrother
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Publication number: 20020002300Abstract: The present invention relates to aspartate-terminated urea/urethane prepolymers that are based on the reaction products of NCO prepolymers with compounds corresponding to the formula 1Type: ApplicationFiled: September 2, 1999Publication date: January 3, 2002Inventors: RICHARD R ROESLER, LYUBOV K GINDIN, P RICHARD HERGENROTHER
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Patent number: 6294694Abstract: Peptoid compounds of Formula I and Formula II are disclosed The compounds are useful in the treatment of matrix metalloproteinase-mediated disorders.Type: GrantFiled: June 4, 1999Date of Patent: September 25, 2001Assignee: Wisconsin Alumni Research FoundationInventors: Donald T. Witiak, Paul J. Bertics, Yingsheng Zhang
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Patent number: 6291711Abstract: A new chemical compound suitable for use as an explosive consists of guanylurea dinitramide having the formula which is also suitable as a main essential component for explosives, especially propellants; a pressed rocket motor charge; and a gas-generating component in gas generators for vehicle safety equipment, such as airbags.Type: GrantFiled: November 17, 1999Date of Patent: September 18, 2001Assignee: Totalforsvarets Forskningsinstitut (FOI)Inventor: Abraham Langlet
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Patent number: 6231784Abstract: Alternative equilibrium modifiers for use with aldoxime extractants, such as hydroxyl aryl aldoxime extractants, employed in the process for extraction of metal values, particularly copper values, in the extraction from aqueous solutions, in which the extractant and modifiers are employed in an organic solvent phase, the solvent being a water insoluble, water immiscible hydrocarbon solvent, such as a kerosene.Type: GrantFiled: April 20, 1998Date of Patent: May 15, 2001Assignee: Henkel CorporationInventors: Michael J. Virnig, Phillip L. Mattison, Leroy O. Krbechek, J. Murdoch Mackenzie
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Patent number: 6180745Abstract: The present invention relates to moisture-curable compositions which have a) a content of (cyclo)aliphatically-bound isocyanate groups (calculated as NCO, MW 42) of 0.2 to 22% by weight and b) a content of succinyl urea groups (calculated as —NH—CO—N—, MW 57) of 0.1 to 14% by weight, and c) an equivalent ratio of (cyclo)aliphatically-bound isocyanate groups to succinyl urea groups of 4:1 to 1:1, wherein the preceding percentages are based on resin solids content of the moisture-curable compositions. The present invention also relates to coating, adhesive or sealing compositions containing these moisture-curable compounds as the binder.Type: GrantFiled: November 8, 1999Date of Patent: January 30, 2001Assignee: Bayer CorporationInventor: Richard R. Roesler
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Patent number: 6127575Abstract: A process is disclosed for preparing N,N'-disubstituted urea by reacting an amine and CO/O.sub.2 mixture gas in the presence of a catalyst system comprising at least one selenium compound selected from SeO.sub.2, (CH.sub.3 O)Se(O)(OH) and (CH.sub.3 CH.sub.2 O)Se(O)(OH), and M.sub.2 CO.sub.3 (M=alkali metal) as a co-catalyst. The process enables less active aromatic amine with a low reactivity as well as an aliphatic amine to be easily transformed into disubstituted urea avoiding the use of expensive precious metal catalysts.Type: GrantFiled: September 13, 1999Date of Patent: October 3, 2000Assignee: Korea Institute of Science and TechnologyInventors: Hoon Sik Kim, Yong Jin Kim, Hyun Joo Lee, Moon Jo Chung, Sang Deuk Lee
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Patent number: 5985968Abstract: This invention provides water-based compositions, particularly coating, ink, and agricultural compositions, manifesting reduced equilibrium and dynamic surface tension by the incorporation of an effective amount of certain N,N-dialkyl urea compounds of the structure ##STR1## where R and R' are independently C1 to C6 alkyl or cycloalkyl with the sum of the carbon atoms in both R.sub.1 and R.sub.2 being 6 to 12.Type: GrantFiled: November 17, 1997Date of Patent: November 16, 1999Assignee: Air Products and Chemicals, Inc.Inventors: Kevin Rodney Lassila, John Anthony Marsella
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Patent number: 5902899Abstract: Process for preparing 1,3-disubstituted urea of the formula: ##STR1## wherein R.sup.5 is the same as or different from R.sup.6, and each of R.sup.5 and R.sup.6 is independently linear or branched, alkyl of 1-20 carbon atoms, alkenyl group having 2 to 20 carbon atoms or alkynyl group having 2 to 20 carbon atoms, which may have phenoxy, alkoxy of 1-13 carbon atoms, monocycloalkyl of 3-8 carbon atoms, bicycloalkyl of 6-12 carbon atoms, aryl of 6-13 carbon atoms, furyl, pyridyl, or aralkyl of 7-20 carbon atoms, comprising reacting cyclic carbonic acid ester with an amine using alkali metal alkoxide or trialkylamine as base, in safety and high yield.Type: GrantFiled: December 4, 1997Date of Patent: May 11, 1999Assignee: Sumika Fine Chemicals Co., Ltd.Inventors: Taketo Hayashi, Junichi Yasuoka
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Patent number: 5824711Abstract: A method for preparing a polyurethane foam which comprises reacting an organic polyisocyanate and a polyol in the presence of a blowing agent, a cell stabilizer and a catalyst composition consisting essentially of the compound represented by the following formula I or II, or any blend of I and II.Type: GrantFiled: May 6, 1997Date of Patent: October 20, 1998Assignee: Air Products and Chemicals, Inc.Inventors: Michael John Kimock, Mark Leo Listemann
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Patent number: 5782966Abstract: Resins and waxes made by reacting selected nucleophiles, including alcohols and/or amines, with an isocyanate are disclosed. The order of addition of the isocyanate and the different nucleophiles can tailor the distribution of di-urethane, mixed urethane/urea, and/or di-urea molecules in the final resin product. The isocyanate-derived resin and wax materials are useful as ingredients as phase change ink carrier compositions used to make phase change ink jet inks.Type: GrantFiled: June 28, 1996Date of Patent: July 21, 1998Assignee: Tektronix, Inc.Inventors: Loc V. Bui, Clifford R. King, Jeffery H. Banning, Donald R. Titterington
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Patent number: 5739398Abstract: A process for preparing N-alkenylureas of the general formula I ##STR1## where R.sup.1 and R.sup.2 are hydrogen, C.sub.1 - to C.sub.40 -alkyl, C.sub.2 - to C.sub.40 -alkenyl, C.sub.3 - to C.sub.20 -cycloalkyl, C.sub.4 - to C.sub.20 -alkylcyc1oalkyl, C.sub.4 - to C.sub.20 -cycloalkylalkyl, aryl, C.sub.7 - to C.sub.20 -alkylaryl or C.sub.7 - to C.sub.20 -aralkyl, or aryl, C.sub.7 - to C.sub.20 -alkylaryl or C.sub.7 - to C.sub.20 -aralkyl which are mono- to pentasubstituted by C.sub.1 - to C.sub.8 -alkyl, C.sub.1 - to C.sub.8 -alkoxy or halogen, together are a C.sub.2 - to C.sub.10 -alkylene chain which is unsubstituted or mono- to hexasubstituted by C.sub.1 - to C.sub.8 -alkyl, andR.sup.3 and R.sup.4 are hydrogen or C.sub.1 - to C.sub.8 -alkyl,by reaction of ureas of the general formula II ##STR2## where R.sup.1 and R.sup.2 have the abovementioned meanings, with an alkenyl carboxylate of the general formula III ##STR3## where R.sup.3 and R.sup.4 have the abovementioned meanings and R.sup.5 is hydrogen, C.sub.Type: GrantFiled: July 3, 1996Date of Patent: April 14, 1998Assignee: BASF AktiengesellschaftInventors: Jochem Henkelmann, Marc Heider, Thomas Ruhl
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Patent number: 5648515Abstract: Urea- and urethane-containing monomers for contact lens materials are disclosed.Type: GrantFiled: May 16, 1995Date of Patent: July 15, 1997Assignee: Bausch & Lomb IncorporatedInventor: Yu-Chin Lai
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Patent number: 5637769Abstract: The present invention provides: a urea-modified carbodiimide represented by the following general formula ##STR1## (wherein each R is a C.sub.1 -C.sub.12 alkyl group or a C.sub.3 -C.sub.10 cycloalkyl group; each Z is a C.sub.1 -C.sub.12 alkylene group, a C.sub.3 -C.sub.10 cycloalkylene group, a C.sub.4 -C.sub.16 alkylene group having a cyclic or non-cyclic structure, or a C.sub.8 -C.sub.16 alkylene group having an aromatic ring; n is an integer of 1-50; and each m is an integer of 1 or 2), and a process for producing the above urea-modified carbodiimide, which comprises (1) reacting an organic aliphatic diisocyanate represented by the following general formulaO.dbd.C.dbd.N--Z--N.dbd.C.dbd.Type: GrantFiled: June 27, 1995Date of Patent: June 10, 1997Assignee: Nisshinbo Industries, Inc.Inventors: Yasuo Imashiro, Ikuo Takahashi, Naofumi Horie, Takeshi Yamane
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Patent number: 5395971Abstract: A process for making unsaturated .alpha.-amines from olefins wherein the process includes adding an aminating agent, an olefin and a molybdenum based catalyst to a reaction vessel having a nitrogen atmosphere. The catalyst may be described by the general formula LL'MoO.sub.2, L.sub.2 L'MoO.sub.2, or LL'MoO(X--Y).Type: GrantFiled: March 11, 1994Date of Patent: March 7, 1995Assignee: The Board of Regents of The University of OklahomaInventors: Kenneth M. Nicholas, Anurag S. Srivastava
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Patent number: 5349109Abstract: A process for making unsaturated .alpha.-amines from olefins wherein the process includes adding an aminating agent, an olefin and a molybdenum based catalyst to a reaction vessel having a nitrogen atmosphere. The catalyst may be described by the general formula LL'MoO.sub.2, L.sub.2 L'MoO.sub.2, or LL'MoO(X-Y).Type: GrantFiled: August 26, 1993Date of Patent: September 20, 1994Assignee: The Board of Regents of the University of OklahomaInventors: Kenneth M. Nicholas, Anurag S. Srivastava
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Patent number: 5294582Abstract: As a curing catalyst of epoxy resins, superacid salts of an N,N'-di- or N,N',N'-trisubstitued urea, the urea component of which is produced by reacting an organic isocyanate and a primary or secondary amine, at least one of which is monofunctional, are soluble in conventional organic solvents compatible with epoxy resins and catalyze the cationic polymerization reaction of epoxy resins at room temperature.Type: GrantFiled: June 14, 1993Date of Patent: March 15, 1994Assignee: Nippon Paint Co., Ltd.Inventors: Tadafumi Miyazono, Koji Tabuchi
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Patent number: 5274080Abstract: Inhibitors of human leukocytes elastase are known to be useful in the treatment of a wide variety of antiinflammatory and antidegenerative diseases. In inhibiting elastase, the therapeutic agents are shown to form a characteristic stable complex with the enzyme. In the radioimmunoassay disclosed herein, the inhibitor-enzyme complex is advantageously hydrolyzed and specific product(s) of the hydrolysis are measured utilizing polyclonal antibodies capable of binding to one or more haptens of formula II ##STR1## wherein M is allyl or n-propyl,Z.sub.1 is(a) 5-benzofuranyl or(b) substituted phenyl wherein the substituent is methyl or ethyloxy.The assays utilizing these antibodies are useful in a clinical setting, for determining appropriate dosage and assessing the effectiveness of treatment.Type: GrantFiled: August 26, 1991Date of Patent: December 28, 1993Assignee: Merck & Co., Inc.Inventors: Malcolm MacCoss, Richard A. Mumford
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Patent number: 5245032Abstract: A process for preparing N,N,N-trisubstituted nitrogen-containing compounds which comprises contacting a carboxylated N,N,N-trisubstituted nitrogen-containing compound with a mixed metal oxide catalyst under conditions effective to produce the N,N,N-trisubstituted nitrogen-containing compound.Type: GrantFiled: September 20, 1990Date of Patent: September 14, 1993Assignee: Union Carbide Chemicals & Plastics Technology CorporationInventor: Stephen W. King
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Patent number: 5179231Abstract: Hexene-1,6-dioic acids, e.g., hex-3-ene-1,6-dioic acid, are prepared by reacting carbon monoxide with at least one butenediol, in a polar, aprotic, basic solvent, in the presence of a catalytically effective amount of palladium values and at least one inorganic halide, the cation of which halide being an alkali or alkaline earth metal and the anion thereof being a chloride or bromide.Type: GrantFiled: December 13, 1990Date of Patent: January 12, 1993Assignee: Rhone-Poulenc ChimieInventor: Philippe Denis
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Patent number: 5030738Abstract: To synthesize molecules with antiulcer action, specifically ranitidine, niperotidine and cimetidine, having the formula: ##STR1## wherein R.sub.1 is hydrogen or together with R.sub.2 represents the rest of a cycloaliphatic or heterocyclic optionally substituted ring with 5 or 6 carbon atoms, R.sub.2 represents H, alkyl, alkyl substituted with a simple or substituted aromatic ring or with a single or substituted heterocyclic ring, Ar represents a simple or substituted phenyl group, a simple or substituted heterocyclic aromatic group, N=1, 2, 3, 4, 5 or 6 and X represents CH--NO.sub.2, S, N--C.tbd.N, the compound (II) is prepared through the following process sequence: ##STR2## wherein Z=H, NO.sub.2, halogen and R.sub.3 =--(CH.sub.2).sub.n Ar, --(CH.sub.2).sub.n --SH, --(CH.sub.2).sub.n --S--S--(CH.sub.2).sub.n, --(CH.sub.2).sub.n --S--CH.sub.2 Ar Y being halogen.Type: GrantFiled: May 22, 1990Date of Patent: July 9, 1991Assignee: Janus Farmaceutici S.r.l.Inventor: Alberto Reiner
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Patent number: 4874786Abstract: A method of fighting fungus infections by using compounds having the formula: ##STR1## wherein: R is H, a C.sub.1 -C.sub.4 alkyl, an alkenyl, or an alkynyl radical; n is 1 or 2;A represents a C.sub.1 -C.sub.6 alkylene bridge, an arylene or a heterocyclic bridge;X represents O, S, SO, SO.sub.2 ; andR.sup.1 is selected from the group consisting of C.sub.1 -C.sub.6 alkyl radicals, a phenyl radical, optionally substituted, polyfluoroalkyl radicals containing from 1 to 4 carbon atoms and at least 2 fluorine atoms, polyfluoroalkenyl radicals containing from 2 to 4 carbon atoms and at least 2 fluorine atoms, but excluding compounds having the formula (I) wherein A is an alkylene radical, n is 2, and R.sup.1 is a C.sub.1 -C.sub.6 alkyl radical.Type: GrantFiled: April 9, 1987Date of Patent: October 17, 1989Assignee: Montedison S.p.A.Inventors: Augusto Menconi, Giovanni Camaggi, Franco Gozzo, Luigi Mirenna, Carlo Garavaglia
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Patent number: 4824996Abstract: There are disclosed compounds of the formulaR.sup.1 -XwhereinR.sup.1 is alkyl of 8-22 carbon atoms;X is ##STR1## R.sup.2 is --(CH.sub.2).sub.n NR.sup.4 R.sup.5 ; R.sup.3 is hydrogen or lower alkyl;R.sup.4 is hydrogen or lower alkyl;R.sup.5 is hydrogen or lower alkyl; andn is 0-7, with the proviso that when X is ##STR2## n is 6-7; and their use in the prevention and/or treatment of conditions such as allergic rhinitis, allergic bronchial asthma and other naso-bronchial obstructive air-passageway conditions, other immediate hypersensitivity reactions such as allergic conjunctivitis and various inflammatory conditions.Type: GrantFiled: November 6, 1986Date of Patent: April 25, 1989Assignee: American Home Products CorporationInventors: William H. McGregor, Joseph Y. Chang
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Patent number: 4740618Abstract: Monocyclohexylurea can be prepared particularly selectively if 100 parts by weight of cyclohexylamine are reacted with 70 to 300 parts by weight of urea in the presence of water in the boiling range of water.Type: GrantFiled: September 19, 1983Date of Patent: April 26, 1988Assignee: Bayer AktiengesellschaftInventors: Rudolf Fauss, Kurt Findelsen, Uwe Dobereiner
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Patent number: 4686220Abstract: This disclosure describes certain substituted piperazine-1,4-naphthalenediones useful as anti-asthmatic agents.Type: GrantFiled: December 19, 1985Date of Patent: August 11, 1987Assignee: American Cyanamid CompanyInventors: Jeffrey B. Medwid, Lawrence W. Torley, Andrew S. Tomcufcik