Plural Benzene Rings Bonded Directly To Urea Nitrogen Patents (Class 564/55)
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Publication number: 20150045389Abstract: The present invention is a screening assay for identifying inhibitors of Pseudomonas aeruginosa CFTR Inhibitory Factor as well as compounds identified by the screening assay for use in compositions and methods for ameliorating or treating a respiratory disease such as cystic fibrosis or secondary infection thereof.Type: ApplicationFiled: April 9, 2013Publication date: February 12, 2015Inventors: Dean R. Madden, Christopher D. Bahl, Bruce D. Hammock, Christophe Morisseau
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Patent number: 8940681Abstract: The present invention improves dye transfer inhibition in the washing of textiles by the use of SO3M substituted urea derivatives of aromatic amines.Type: GrantFiled: August 21, 2014Date of Patent: January 27, 2015Assignee: Henkel AG & Co. KGaAInventors: Mareile Job, Birgit Gluesen, John Taylor, Anthony Lawrence
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Patent number: 8367715Abstract: The invention relates to pyrazole derivatives of general formula (I): in which X represents chlorine or fluorine; to a process for preparing said derivatives, and to therapeutic uses of said derivatives.Type: GrantFiled: December 23, 2011Date of Patent: February 5, 2013Assignee: SanofiInventors: Pierre Yves Abecassis, Pascal Desmazeau, Michel Tabart
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Patent number: 8173841Abstract: This invention relates to tetrahydro-naphthalene derivatives and salts thereof which are useful as an active ingredient of pharmaceutical preparations. The tetrahydro-naphthalene derivatives of the present invention have excellent activity as VR1 antagonist and useful for the prophylaxis and treatment of diseases associated with VR1 activity, in particular for the treatment of urinary incontinence, overactive bladder, urge urinary incontinence, chronic pain, neuropathic pain, post-operative pain, rheumatoid arthritic pain, neuralgia, neuropathies, algesia, nerve injury, ischaemia, neurodegeneration, stroke, inflammatory disorders, asthma and COPD.Type: GrantFiled: March 21, 2011Date of Patent: May 8, 2012Assignee: Xention LimitedInventors: Masaomi Tajimi, Toshio Kokubo, Masahiro Shiroo, Yasuhiro Tsukimi, Takeshi Yura, Klaus Urbahns, Noriyuki Yamamoto, Muneto Mogi, Hiroshi Fujishima, Tsutomu Masuda, Nagahiro Yoshida, Toshiya Moriwaki
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Patent number: 8143364Abstract: Process for preparing a composition by reacting a polyisocyanate, a monoalkoxy polyoxyalkylene monoamine and water. The composition and its use in making cellular products are claimed as well.Type: GrantFiled: February 12, 2007Date of Patent: March 27, 2012Assignee: Huntsman International LLCInventors: Gerhard Jozef Bleys, Hans Godelieve Guido Verbeke
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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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Publication number: 20100234503Abstract: A polymer composite includes a polymer matrix and an alkyl-substituted carbon nanotube. A polymer composite also includes a polymer matrix and a fluorinated carbon nanotube reacted with urea, thiourea, or guanidine. A method of functionalizing a carbon nanotube includes heating a fluorinated carbon nanotube urea, thiourea, or guanidine. A substituted carbon nanotube includes a fluorinated carbon nanotube and amino silane compounds The amino silane compounds covalently link to the fluorinated nanotube through the amino functional group. Polymer composites, ceramics and surface coating materials may be constructed from these substituted carbon nanotubes.Type: ApplicationFiled: August 10, 2007Publication date: September 16, 2010Inventors: Valery N. Khabashesku, Merlyn X. Pulikkathara
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Publication number: 20090280483Abstract: The present invention provides methods for screening compounds which inhibit activation of a member of the IL-6 signaling pathways, comprising: (a) a positive screening step using a cell capable of being killed by IL-6 stimulation to select compounds which inhibit death of the cell when it is stimulated by IL-6; and then (b) a biochemical screening step to further select compounds which inhibit activation of a member of the IL-6 signaling pathways by a biochemical means from the compounds selected in step (a). The present invention also provides compounds which inhibit activation of a member of the IL-6 signaling pathways identified using said methods.Type: ApplicationFiled: November 22, 2005Publication date: November 12, 2009Inventors: Toshio Kitamura, Toshiyuki Kawashima
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Publication number: 20090043099Abstract: The invention provides isolated agents having novel chemical structures and possessing superior activity as derepressors of IAP inhibited caspase. The invention further provides a method of derepressing an IAP-inhibited caspase. The invention further provides assay methods employing labeled compounds of the invention, especially fluorescent labeled compounds.Type: ApplicationFiled: October 31, 2007Publication date: February 12, 2009Applicant: The Burnham InstituteInventors: John C. Reed, Richard A. Houghten, Adel Nefzi, John M. Ostresh, Clemencia Pinilla, Kate Welsh
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Publication number: 20080293088Abstract: A two-photon probe for real-time monitoring of intracellular magnesium ions is provided. Specifically, the two-photon probe is represented by Formula 1: wherein R is H or CH2OCOCH3. The two-photon probe is very suitable for real-time imaging of intracellular magnesium ions. The two-photon probe shows 17-fold two-photon excited fluorescence enhancement in response to Mg2+, which is 7-fold stronger than commercial probes, thus enabling staining of cells in a greatly reduced amount. In addition, the two-photon probe has a sufficiently low molecular weight to stain cells and is very suitable for monitoring Mg2+ ions present in the deep tissue. Furthermore, the two-photon probe can be effectively used for the quantitative as well as qualitative detection of intracellular magnesium ions. Further provided are a method for preparing the two-photon probe and a method for real-time monitoring of intracellular magnesium ions using the two-photon probe.Type: ApplicationFiled: December 14, 2007Publication date: November 27, 2008Inventor: Bong-Rae Cho
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Publication number: 20080194859Abstract: The invention is directed to novel compounds that are used in the formation of polyurea compositions, including one-part and two-part polyurea compositions. The invention is also directed to polyureas formed from such compounds, cross-linked polyureas, and UV-stabilized polyureas.Type: ApplicationFiled: May 16, 2005Publication date: August 14, 2008Inventors: Kenneth I. Sawyer, Robert J. Kupper
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Patent number: 7235576Abstract: This invention relates to the use of a group of aryl ureas in treating raf mediated diseases, and pharmaceutical compositions for use in such therapy.Type: GrantFiled: January 11, 2002Date of Patent: June 26, 2007Assignee: Bayer Pharmaceuticals CorporationInventors: Bernd Riedl, Jacques Dumas, Uday Khire, Timothy B. Lowinger, William J. Scott, Roger A. Smith, Jill E. Wood, Mary-Katherine Monahan, Reina Natero, Joel Renick, Robert N. Sibley
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Patent number: 7157601Abstract: Compounds of the formulae wherein Z is —OR1, —SR1, —NR1R2, Y is —OR3, —SR3, or —NR3R4, at least one of R1, R2, R3, R4, R5, and R6 is hydrogen, at least one of R1, R2, R3, R4, R5, and R6 is other than hydrogen, at least one Z or Y within the compound is —NR1R2 or —NR3R4, R1, R2, R3, R4, R5, R6, and R7 each, independently of the others, is hydrogen, alkyl, aryl, arylalkyl, or alkylaryl, and wherein R7 can also be alkoxy, aryloxy, arylalkyloxy, alkylaryloxy, polyalkyleneoxy, polyaryleneoxy, polyarylalkyleneoxy, polyalkylaryleneoxy, silyl, siloxane, polysilylene, polysiloxane, or wherein X is a direct bond, oxygen, sulfur, —NR40— wherein R40 is hydrogen, alkyl, aryl, arylalkyl, alkylaryl, or —CR50R60— wherein R50 and R60 each, independently of the other, is hydrogen, alkyl, aryl, arylalkyl, or alkylaryl.Type: GrantFiled: February 28, 2006Date of Patent: January 2, 2007Assignee: Xerox CorporationInventors: Marcel P. Breton, Danielle C. Boils-Boissier, Jule W. Thomas, Jr., Donald R. Titterington, H. Bruce Goodbrand, Jeffrey H. Banning, James D. Wuest, Dominic Laliberte, Marie-Eve Perron
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Patent number: 7053244Abstract: The invention relates to a process for the preparation of tetrasubstituted ureas by reaction of the corresponding amines with phosgene in the presence of an aqueous inorganic base at a temperature in the range from 0 to 150° C., which comprises: feeding the corresponding amine, the phosgene and the aqueous inorganic base on average continuously to the reaction apparatus, forming a two-phase system in the reaction apparatus through the choice of the tetrasubstituted ureas to be prepared, through the mixing ratios of the substances and substance mixtures to be fed in, through the temperature during the reaction and, where appropriate, through the feed of an organic solvent which is not completely miscible with water, and discharging the reaction mixture on average continuously from the reaction apparatus.Type: GrantFiled: July 3, 2003Date of Patent: May 30, 2006Assignee: BASF AktiengesellschaftInventors: Jochem Henkelmann, Theodor Weber, Thorsten Rohde, Ralph Busch
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Patent number: 6927271Abstract: Coating compositions contain hydroxyl- or carbamate functional resins with a relatively low equivalent weight. The resins are based on a polyol core containing urea and hydroxyl groups, and made by reacting a polyisocyanate, preferably a triisocyanate, with an amino functional polyol, preferably a polyol having one amino group and two or more hydroxyl groups. The polyol core may be further extended to a first or higher generation dendrimer or hyperbranched structure by reacting the initial polyol core with a compound having one carboxyl group and two or more hydroxyl groups.Type: GrantFiled: January 10, 2002Date of Patent: August 9, 2005Assignee: BASF CorporationInventor: Sunitha Grandhee
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Patent number: 6777561Abstract: Compounds of general formula I are disclosed and claimed in the present application, as well as their pharmaceutically acceptable salts, pharmaceutical compositions comprising the novel compounds and their use in therapy, in particular in the management of pain.Type: GrantFiled: June 1, 2000Date of Patent: August 17, 2004Assignee: AstraZeneca Canada Inc.Inventors: Daniel Delorme, Vlad Gregor, Edward Roberts, Eric Sun
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Patent number: 6774233Abstract: Disclosed are novel processes and novel intermediate compounds for preparing aryl- and heteroaryl-substituted urea compounds of the formula(I) wherein Ar1, Ar2, L, Q and X are described herein. The product compounds are useful in pharmaceutic compositions for treating diseases or pathological conditions involving inflammation such as chronic inflammatory diseases.Type: GrantFiled: February 10, 2003Date of Patent: August 10, 2004Assignee: Boehringer Ingelheim Pharmaceuticals, Inc.Inventors: Lin-Hua Zhang, Lei Zhu
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Patent number: 6583282Abstract: Disclosed are novel processes and novel intermediate compounds for preparing aryl- and heteroaryl-substituted urea compounds of the formula (I) wherein Ar1, Ar2, L, Q and X are described herein. The product compounds are useful in pharmaceutic compositions for treating diseases or pathological conditions involving inflammation such as chronic inflammatory diseases.Type: GrantFiled: July 6, 2000Date of Patent: June 24, 2003Assignee: Boehringer Ingelheim Pharmaceuticals, Inc.Inventors: Lin-Hua Zhang, Lei Zhu
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Patent number: 6458998Abstract: Compounds of formula I are useful for treating conditions associated with hyperglycemia, especially Type II diabetes. These compounds are useful in stimulating the kinase activity of the insulin receptor, activating the insulin receptor, and stimulating the uptake of glucose. Pharmaceutical compositions comprising the antidiabetic compounds are also disclosed.Type: GrantFiled: May 25, 2000Date of Patent: October 1, 2002Assignee: Telik, Inc.Inventors: Wayne R. Spevak, Songyuan Shi, Prasad V. V. S. V. Manchem, Michael R. Kozlowski, Steven R. Schow, Robert T. Lum
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Patent number: 6372933Abstract: This invention relates to a process for making certain phenyl urea compounds by using a Lewis acid to effect the ring opening of a benzoxazolinone by an amine.Type: GrantFiled: February 27, 2001Date of Patent: April 16, 2002Assignee: SmithKline Beecham CorporationInventors: Neil H. Baine, Ann Marie Eldridge, Marvin Sungwhan Yu
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Patent number: 6316503Abstract: The invention provides compounds, compositions and methods for modulating the effects of LXR in a cell. The compounds and compositions are useful both as diagnostic indicators of LXR function and as pharmacologically active agents. The compounds and compositions find particular use in the treatment of disease states associated with cholesterol metabolism, particularly atherosclerosis and hypercholesterolemia.Type: GrantFiled: March 14, 2000Date of Patent: November 13, 2001Assignee: Tularik Inc.Inventors: Leping Li, Julio C. Medina, Kevin Lustig, Bei Shan, Hirohiko Hasegawa, Serena T. Cutler, Jiwen Liu, Liusheng Zhu
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Patent number: 6262113Abstract: The present invention relates to novel compounds and a novel use of phenyl ureas in the treatment of disease states mediated by the chemokine Interleukin-8 (IL-8).Type: GrantFiled: August 14, 1998Date of Patent: July 17, 2001Assignee: SmithKline Beecham CorporationInventors: Katherine Louisa Widdowson, Daniel Frank Veber, Anthony Joseph Jurewicz, Robert Philip Hertzberg, Melvin Clarence Rutledge, Jr.
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Patent number: 6214880Abstract: The invention provides compounds, compositions and methods relating to novel arylsulfonanilide derivatives and their use as pharmacologically active agents. The compositions find particular use as pharmacological agents in the treatment of disease states, particularly cancer, psoriasis, vascular restenosis, infections, atherosclerosis and hypercholesterolemia, or as lead compounds for the development of such agents.Type: GrantFiled: September 21, 1999Date of Patent: April 10, 2001Assignee: Tularik Inc.Inventor: Jonathan B. Houze
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Patent number: 6211373Abstract: This invention relates to novel compounds of Formula (I), and a novel use of these compounds in treating chemokine mediated diseases, wherein the chemokine binds to an IL-8 a or b receptor.Type: GrantFiled: July 8, 1998Date of Patent: April 3, 2001Assignee: SmithKline Beecham CorporationInventors: Katherine Louisa Widdowson, Daniel Frank Veber, Anthony Joseph Jurewicz, Robert Philip Hertzberg, Melvin Clarence Rutledge, Jr.
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Patent number: 5958376Abstract: The invention provides iodinated bis phenyl compounds, useful as X-ray contrast agents, of formula (I) (wherein each C.sub.6 R.sub.5 moiety may be the same or different; each denotes a hydrogen or iodine atom or a group M, two or three non-adjacent R groups on each C.sub.6 R.sub.5 moiety denoting iodine atoms and one, two or three R groups on each C.sub.6 R.sub.5 moiety denoting M groups; X denotes a group providing a 1, 2 or 3 atom chain linking the two C.sub.6 R.sub.5 groups, preferably where X is or contains in the bridging chain a carbonyloxy group each C.sub.6 R.sub.5 group being a triodophenyl group or a group in which each R is other than hydrogen; and each M is independently a non-ionic hydrophilic moiety, M preferably being a non-ionic hydrophilic moiety comprising a monohydroxy- or polyhydroxy-alkyl group) and isomers, especially stereoisomers and rotamers, thereof.Type: GrantFiled: June 27, 1997Date of Patent: September 28, 1999Assignee: Nycomed Imaging ASInventors: Anna Rydbeck, Torsten Almen, Mikkel Thaning, Sven Goran Andersson, Lars-Goran Wistrand, Klaes Golman
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Patent number: 5958375Abstract: The invention provides iodinated bis phenyl compounds, useful as X-ray contrast agents, of formula I ##STR1## (wherein each C.sub.6 R.sub.5 moeity may be the same or different; each R denotes a hydrogen or iodine atom or a group M, two or three non-adjacent R groups on each C.sub.6 R.sub.5 moiety denoting iodine atoms and one, two or three R groups on each C.sub.6 R.sub.5 moiety denoting M groups;X denotes a group providing a 1, 2 or 3 atom chain linking the two C.sub.6 R.sub.5 groups, preferably where X is or contains in the bridging chain a carbonyloxy group each C.sub.6 R.sub.5 group being a triodophenyl group or a group in which each R is other than hydrogen; and each M is independently a non-ionic hydrophilic moiety, M preferably being a non-ionic hydrophilic moiety comprising a monohydroxy- or polyhydroxy-alkyl group) and isomers, especially stereoisomers and rotamers, thereof.Type: GrantFiled: June 6, 1995Date of Patent: September 28, 1999Assignee: Nycomed Imaging ASInventors: Anna Rydeck, Torsten Almen, Mikkel Thaning, Sven Andersson, Lars-Goran Wistrand, Klaes Golman
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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: 5423905Abstract: The invention relates to a formulation for protecting keratinous material from attack by pests that feed on keratin, comprising (A) at least one diphenylurea of formula ##STR1## wherein R.sub.1 is hydrogen or 4-chlorophenoxy-6-sulfonate,R.sub.2 is hydrogen or chloro,R.sub.3 is chloro or trifluoromethyl,R.sub.4 is hydrogen or chloro, andR.sub.5 is hydrogen or trifluoromethyl, and(B) at least one glycol, and to a process for protecting keratinous material against attack by pests that feed on keratin with the novel formulation.Type: GrantFiled: July 18, 1994Date of Patent: June 13, 1995Assignee: Ciba-Geigy CorporationInventor: Werner Fringeli
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Patent number: 5416118Abstract: Novel bicyclic amides of the formula ##STR1## wherein Ar.sup.1 and Ar.sup.2 are phenyl, R.sup.2 -substituted phenyl, heteroaryl or R.sup.2 -substituted heteroaryl, wherein R.sup.2 is 1 to 3 substituents independently selected from the group consisting of halogeno, hydroxy, lower alkyl, lower alkoxy, nitro, amino, lower alkylamino and lower dialkylamino;X, Y and Z are --CH.sub.2 --, --CH(alkyl)--, --C(alkyl).sub.2 --, --NH--, --N(alkyl)--, --O-- or --SO.sub.r, wherein r is 0, 1 or 2, and m, n and p are 0 or 1;R.sup.1 is an alkyl chain of 1 to 25 carbon atoms; an alkyl chain substituted by one or more optionally substituted phenyl or heteroaryl groups; an alkyl chain --O--, --SO.sub.r, phenylene, R.sup.2 -substituted phenylene, heteroarylene or R.sup.Type: GrantFiled: September 28, 1993Date of Patent: May 16, 1995Assignee: Schering CorporationInventors: John W. Clader, Thomas Fevig, Wayne Vaccaro, Joel G. Berger
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Patent number: 5384425Abstract: Diurea derivatives are provided which can be represented by the following general formula and salts thereof: ##STR1## wherein, R.sup.1 and R.sup.2 are the same or different, and each represents C.sup.1 -10 alkyl group, a C.sup.3 -18 cycloalkyl group, or a lower alkyl group substituted by cycloalkyl radical(s);R.sup.3, R.sup.4, R.sup.5 and R.sup.6 are the same or different, and each represents a hydrogen atom, a lower alkyl group, a cycloalkyl group, hydrocarbyl aralkyl group, a pyridyl group, or an unsubstituted or substituted phenyl group, the substituents of the phenyl group being selected from a group consisting of lower alkyl radical, halogen atom-substituted lower alkyl radical, halogen atom, nitro radical, amino radical, mono- or di-lower alkylamino radical, lower acylamino radical, hydroxyl radical, lower alkoxy radical and lower acyloxy radical;X represents an oxygen atom or a sulfur atom, and n.sup.1 and n.sup.2 represent an integer of 1 to 6; and wherein at least one of R.sup.3 -R.sup.Type: GrantFiled: October 7, 1993Date of Patent: January 24, 1995Assignee: Yamanouchi Pharmaceutical Co., Ltd.Inventors: Noriki Ito, Tomoyuki Yasunaga, Yuichi Iizumi, Tomio Araki
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Patent number: 5380941Abstract: A process for preparing ureas of the formula ##STR1## where the ring A can be substituted and benzo-fused andn is 0 or 2,R.sup.4 and R.sup.5 are hydrogen, C.sub.1 -C.sub.4 -alkyl or phenyl,L is unsubstituted or substituted C.sub.2 -C.sub.4 -alkylene, or NR.sup.5 and L are together the radical of the formula ##STR2## and Z is hydroxyl or a radical which can be eliminated under alkaline reaction conditions,by reacting a phenylurea of the formula ##STR3## where R.sup.4 and the ring A each have the abovementioned meanings, with an amine of the formula ##STR4## where n, R.sup.5, L and Z each have the abovementioned meanings, at from 80.degree. to 180.degree. C. in the presence or absence of an inert diluent is described.Type: GrantFiled: October 1, 1993Date of Patent: January 10, 1995Assignee: BASF AktiengesellschaftInventors: Bernd Siegel, Manfred Patsch
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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: 5248821Abstract: High molecular weight active polyoxyalkylene reaction product formed in two steps and containing urea or urethane and urea linkages are disclosed which contain as the principle reaction component, a diamine having the formula: ##STR1## or a diol having the formula: ##STR2## wherein R' independently represents hydrogen or methyl and x is a number having an average value of at least 1 to about 70 and a diisocyanate of the formula: ##STR3## an active amine selected from the group consisting of amine terminated triethylene glycol, amine terminated tetraethylene glycol, isophorone diamine, dipropylene triamine, or diethylene triamine.Type: GrantFiled: March 9, 1992Date of Patent: September 28, 1993Assignee: Texaco Inc.Inventors: Jiang-Jen Lin, George P. Speranza
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Patent number: 5241118Abstract: A process for preparing trisubstituted ureas is disclosed. A nitroarene is reacted with carbon monoxide and a secondary amine in the presence of a Group VIII transition metal catalyst and optionally one or more promoters selected from primary amines, halide ion-containing compounds, and chelating phosphorus and nitrogen compounds.Type: GrantFiled: November 22, 1991Date of Patent: August 31, 1993Assignee: Arco Chemical Technology, L.P.Inventors: Robert J. Saxton, Wilfred P. Shum, Edward T. Shawl, Haven S. Kesling, Jr., John G. Zajacek
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Patent number: 5227492Abstract: Diurea derivatives are provided which can be represented by the following general formula and salts thereof: ##STR1## Illustrative derivatives include 1,3-bis[[1-cycloheptyl-3-(3-pyridyl)ureido]-methyl]benzene, 1,3-bis[[1-cycloheptyl-3-(2-pyridyl)ureido]-methyl]benzene, and 1,3-bis[[1-cycloheptyl-3-(4-pyridyl)ureido]-methyl]benzene.The above compounds inhibit acyl-coenzyme A cholesterol acyltransferase (ACAT enzyme), and thereby control the accumulation of cholesterol ester to the smooth muscle of arterial wall in the blood vessel.Type: GrantFiled: June 30, 1992Date of Patent: July 13, 1993Assignee: Yamanouchi Pharmaceutical Co., Ltd.Inventors: Noriki Ito, Tomoyuki Yasunaga, Yuichi Iizumi, Tomio Araki
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Patent number: 5220061Abstract: A selective process for the preparation of diphenylmethane bis(dialkylureas) is disclosed. An alkyl phenylcarbamate or an N,N-dialkyl-N'-phenylurea is reacted with a methylene bis(alkyl carbamate) in the presence of an acid catalyst. The use of a staged addition of phenylcarbamate or phenylurea to the methylene bis(carbamate) and the use of a ramped temperature program are the keys to good selectivity to MDI dimer products.Type: GrantFiled: October 19, 1992Date of Patent: June 15, 1993Assignee: Arco Chemical Technology, L.P.Inventors: Carmen L. Rodriguez, Edward T. Shawl, Haven S. Kesling, Jr.
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Patent number: 5198582Abstract: A process for preparing N,N'-disubstituted urea derivatives of the following formula (I) ##STR1## wherein Ar represents an unsubstituted aromatic radical or an aromatic radical substituted with a halogen atom, an alkyl group, or an alkoxy group, which comprises reacting an aromatic mono-nitro compound, an aromatic primary amine, and synthesis gas in the presence of a catalyst consisting essentially of a divalent palladium compound as a main catalyst component and an ammonium or a phosphonium salt containing halogen atom as a co-catalyst component, and a non-polar solvent.Type: GrantFiled: October 22, 1991Date of Patent: March 30, 1993Assignee: Lucky Ltd.Inventors: Jae S. Oh, Sang M. Lee
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Patent number: 5166429Abstract: Diurea Derivatives represented by the following general formula and salts thereof: ##STR1## The above compounds inhibit acyl-coenzyme A chloresterol acyl-transferase (ACAT enzyme), and thereby control the accumulation of cholesterol ester to the smooth muscle of arterial wall in the blood vessel.Type: GrantFiled: September 24, 1991Date of Patent: November 24, 1992Assignee: Yamanouchi Pharmaceutical Co., Ltd.Inventors: Noriki Ito, Tomoyuki Yasunaga, Yuichi Iizumi, Tomio Araki
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Patent number: 5155267Abstract: A selective process for the production of unsymmetric carbamates and ureas is disclosed. In the process, a primary formamide is reacted with a dialkyl amine or an alcohol in the presence of a Group VIII transition metal catalyst. The unsymmetric carbamates and ureas are useful precursors to isocyanates.Type: GrantFiled: October 24, 1991Date of Patent: October 13, 1992Assignee: Arco Chemical Technology, L.P.Inventor: Mahmoud K. Faraj
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Patent number: 5091419Abstract: Diurea derivatives are provided which are represented by the following general formula and salts thereof: ##STR1## The above compounds inhibit acyl-coenzyme A cholesterol acyl-transferase (ACAT enzyme), and thereby control the accumulation of cholesterol ester on the smooth muscle of arterial wall in the blood vessels.Type: GrantFiled: October 2, 1990Date of Patent: February 25, 1992Assignee: Yamanouchi Pharmaceutical Co., Ltd.Inventors: Noriki Ito, Tomoyuki Yasunaga, Yuichi Iizumi, Tomio Araki
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Patent number: 5091571Abstract: A process for preparing N, N-disubstituted urea and more particularly, to an improved process for preparing N,N'-disubstituted urea derivatives of the following formula (I) comprising ##STR1## wherein each of Ar.sup.1 and Ar.sup.2 represents unsubstituted aromatic radical or aromatic radical substituted with halogen, atom, alkyl group, or alkoxy group, and Ar.sup.1 and Ar.sup.2 are the same or different, reacting aromatic mono-nitro compound, aromatic primary amines, and carbon monoxide in the presence of the catalyst composition consisting of a palladium compound as a main catalyst and an ammonium or a phosphonium salt containing halogen atom aS a co-catalyst, and a non-polar solvent.Type: GrantFiled: October 31, 1990Date of Patent: February 25, 1992Assignee: Lucky, Ltd.Inventors: Chul Woo Lee, Jae Sung Lee, Sang Moo Lee
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Patent number: 5064827Abstract: Compounds of the present invention, are represented by the general formula ##STR1## wherein R.sub.1 group which may be alkyl of from 1 to about 6 carbon atoms, alkenyl of from 2 to about 6 carbon atoms, alkynyl of from 2 to about 10 carbon atoms, alkoxy wherein the alkyl group contains from 1 to about 6 carbon atoms, halogen, acetamido, amino, nitro, alkylamino of from 1 to about 6 carbon atoms, hydroxy, hydroxyalkyl of from 1 to about 6 carbon atoms, cyano or arylalkoxy wherein the alkyl group contains from 1 to about 6 carbon atoms R.sub.2, R.sub.3 and R.sub.4 are hydrogen or hydroxyl groups or the combination of either hydrogen or hydroxyl groups; W represents alkylene of from 1 to about 10 carbon atoms; and B represents --NHCOR.sub.5, --NHCONR.sub.5 R.sub.6, or --NHCOOR.sub.5 wherein R.sub.5 and R.sub.Type: GrantFiled: August 23, 1990Date of Patent: November 12, 1991Assignee: Du Pont Merck Pharmaceutical CompanyInventors: Ghanshyam Patil, William L. Matier, Khuong H. X. Mai
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Patent number: 5055544Abstract: This invention relates to novel polymeric polyamines containing internal urea, biuret, thiourea, dithiobiuret, amide, and/or thioamide moieties, and to polymers prepared therefrom. This invention also relates to novel isocyanate-functional prepolymers containing urea, biuret, thiourea, dithiobiuret, amide, and/or thioamide moieties and to polymers prepared therefrom.Type: GrantFiled: February 27, 1990Date of Patent: October 8, 1991Assignee: The Dow Chemical CompanyInventors: Robert F. Harris, Michael D. Joseph
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Patent number: 5041477Abstract: An oligomeric aromatic pigment dispersant is the reaction product of a diisocyanate and a diol or diamine. The oligomeric dispersant is comprised of at least 25 weight percent of a compound of the formula: ##STR1## wherein n is an integer of from 3 to 15, AR is a residual aromatic connecting group, DI is a residual organic connecting group, CAP is a capping moiety, and X is a residual connecting group selected from the group consisting of: ##STR2## The oligomeric aromatic dispersant has at least 3 aromatic "heads" and 2 aliphatic or rosin "tails".Type: GrantFiled: September 7, 1989Date of Patent: August 20, 1991Assignee: BASF CorporationInventor: Byron G. Hays
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Patent number: 4950789Abstract: Aromatic polyalkyleneoxy polyamines which are the reaction products of an aminocarbonyl, a polyalkyleneoxy polyamine, and aromatic diamines are useful in reaction injection molding processes to enhance the physical properties of the products produced. In addition, the polyamines of this invention are also useful as compatiblilizing agents in RIM systems to compatibilize mixtures of high molecular weight and low molecular weight polyols.Type: GrantFiled: January 25, 1989Date of Patent: August 21, 1990Assignee: The Dow Chemical CompanyInventor: Benny G. Barron
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Patent number: 4839406Abstract: A fluidity controlling agent for paints is provided which comprises a product obtained by reacting paratoluidine and hexamethylene diisocyanate at a particular equivalent ratio (NH.sub.2 NCO) and gives thixotropic properties to the paint without sagging at a large coating film thickness.Type: GrantFiled: September 14, 1987Date of Patent: June 13, 1989Assignee: Nippon Oil and Fats Co., Ltd.Inventors: Osamu Nagura, Osamu Inoue, Yoshimasa Kamikuri, Norikazu Takizuka
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Patent number: 4822729Abstract: Cyan-forming color couplers according to the formula: ##STR1## wherein Z is hydrogen or a coupling off group, R.sup.1 is hydrogen, a halogen atom, alkyl, or alkoxy, R.sup.2 is hydrogen or alkyl, R.sub.3 is hydrogen, a halogen atom, alkyl, alkoxy, alkylsulphonyl, alkanamidosulphonyl, alkoxycarbonyl, alkanamidocarbonyl, alkanamido, alkylsulphonamido, or cyano, R.sup.4 is a substituent standing at the 3- or 6-position of the phenol and selected from hydrogen, a halogen atom, and alkyl, and n is 0 or 1. These couplers can be incorporated into (a) red-sensitized silver halide emulsion layer(s) of a photographic multilayer color element or in a non-light-sensitive colloid layer in water-permeable relationship with the red-sensitized emulsion layer(s).Type: GrantFiled: November 24, 1987Date of Patent: April 18, 1989Assignee: AGFA-Gevaert, N.V.Inventors: Marcel J. Monbaliu, Paul L. Van Meerbeeck
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Patent number: 4820871Abstract: N,N-Diaryl-ureas of the formulaR.sup.1 --NR.sup.2 --CO--NH--R.sup.3whereinR.sup.1 and R.sup.2 denote aryl andR.sup.3 denotes alkyl, aralkyl or aryl, can be prepared by a process in which a diarylamine of the formulaR.sup.1 --NH--R.sup.2is reacted with an isocyanate of the formulaR.sup.3 --NCOwherein R.sup.1, R.sup.2 and R.sup.34 have the above meaning, in the presence of acid compounds and in the presence or absence of an inert solvent and/or diluent at elevated temperature.Type: GrantFiled: October 7, 1987Date of Patent: April 11, 1989Assignee: Bayer AktiengesellschaftInventors: Wolfram Kissener, Joachim Franke, Helmut Fiege, Karlfried Wedemeyer
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Patent number: 4806653Abstract: A process of the preparation of iminooxazolidines which comprises (a) reacting a urea alcohol of the formula ##STR1## X, Y, n and R are as defined, with a dehydrating agent to form an intermediate salt compound of the formula ##STR2## wherein X, Y, n and R are as previously defined and X.degree.Type: GrantFiled: October 17, 1986Date of Patent: February 21, 1989Assignee: Stauffer Chemical CompanyInventor: Raymond A. Felix
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Patent number: RE34137Abstract: The present invention relates to a method of manufacturing aromatic urethane, an aromatic mononitro-compound, an aromatic primary amine, and carbon monoxide being reacted using a catalyst containing a platinum group metal-containing compound as a major constituent to prepare N,N'-di-substituted urea. The resultant N,N'-di-substituted urea is reacted with a hydroxyl group-containing organic compound to prepare an aromatic primary amine and aromatic urethane, and the aromatic primary amine is separated to obtain aromatic urethane.Type: GrantFiled: October 12, 1989Date of Patent: December 1, 1992Assignee: NKK CorporationInventors: Takao Ikariya, Masanori Itagaki, Masatsugu Mizuguchi, Itaru Sakai, Osamu Tajima