Alicyclic Carbamates Patents (Class 560/115)
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Publication number: 20020188020Abstract: This invention is directed to compounds of the following formula: 1Type: ApplicationFiled: August 31, 2001Publication date: December 12, 2002Applicant: Yissum Research Development Company of the Hebrew University of JerusalemInventors: Michael Chorev, Tamar Goren, Yacov Herzig, Jeffrey Sterling, Marta Weinstock-Rosin, Moussa B.H. Youdim
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Patent number: 6489429Abstract: There is disclosed a resin composition for electrodeposition paint comprising (A) a resin containing hydroxyl group, and (B) a polyisocyanate compound blocked with an amidoalcohol having at least one amide bond and at least one alcoholic hydroxyl group in the molecule, excellent in storage stability and capable of forming a coating film excellent in low temperature curability.Type: GrantFiled: June 12, 2001Date of Patent: December 3, 2002Assignee: Kansai Paint Co., Ltd.Inventors: Shigeo Nishiguchi, Sinzi Hirato, Reijiro Nishida
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Patent number: 6482914Abstract: The invention concerns a compound of formula (I) in which m is to 0 or 1 Iso is the (poly)isocyanate radical (after elimination of an isocyanate function); R10 is selected among: a negative charge; a hydrocarbon-based radical (i.e. a residue containing hydrogen and carbon atoms) having a carbon as it binding point [i.e. the atom carrying the open bond]; R11 is selected among a negative charge. The invention is applicable to organic synthesis.Type: GrantFiled: February 9, 2001Date of Patent: November 19, 2002Assignee: Rhodia ChimieInventors: Jean-Marie Bernard, Thierry Jeannette, Minou Nabavi
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Patent number: 6479694Abstract: As process for the preparation of a cyclic carbamate of formula (1), comprises treatment of a cyclopentene of formula (2) wherein R1 is H or an organic group of up to 20 C atoms and R2 is C1-10 alkyl, aralkyl or aryl, with a source of halogen and a base.Type: GrantFiled: August 7, 2001Date of Patent: November 12, 2002Assignee: Chirotech Technology, Ltd.Inventor: Michael Lloyd
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Patent number: 6458953Abstract: This invention pertains generally to valency molecules, such as valency platform molecules which act as scaffolds to which one or more molecules may be covalently tethered to form a conjugate. More particularly, the present invention pertains to valency platform molecules which comprise a carbamate linkage (i.e., —O—C(═O)—N<). In one aspect, the present invention pertains to valency platforms comprising carbamate linkages, which molecules have the structure of any one of Formulae I, II, or III, shown in FIG. 1. In one aspect, the present invention pertains to valency platforms comprising carbamate linkages, which molecules have the structure of any one of Formulae IV, V, or VI, shown in FIG. 8. The present invention also pertains to methods of preparing such valency platform molecules, conjugates comprising such valency platform molecules, and methods of preparing such conjugates.Type: GrantFiled: December 8, 1999Date of Patent: October 1, 2002Assignee: La Jolla Pharmaceutical CompanyInventor: David S. Jones
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Patent number: 6452003Abstract: The present invention provides a process, which includes: partially trimerizing isophorone diisocyanate in the presence of a catalyst having the formula: [R—NX3]⊕Y⊖ wherein R and X are butyl groups and Y− is CH3COO−; or wherein R is a benzyl group, Y− is a carboxylate anion having from 4 to 8 carbon atoms and each X is an alkylene group having from 2 to 3 carbon atoms, wherein the three alkylene groups share a common carbon atom and, together with the N atom in the formula, form a tricyclic structure, and wherein at least one alkyene group has at least one OH group in an &agr; or &bgr; &ggr; position relative to the N atom, to obtain a monomer-containing polyisocyanurate mixture. The present invention also provides a monomer-containing polyisocyanurate mixture made from the above process.Type: GrantFiled: July 6, 2001Date of Patent: September 17, 2002Assignee: Degussa AGInventors: Michael Ewald, Rainer Lomoelder, Stephan Kohlstruk
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Patent number: 6452038Abstract: The present invention provides a compound according to the formula: CH2═C(R1)—C(O)—R6—NHCO2(CH2)p(CF2)q—O—((CF2)aCFXO)m(CF2)r—Z wherein each R1 is independently selected from —H, —CH3, —F and —Cl, wherein each R6 is independently selected from substituted or unsubstituted C1-C10 alkyl, cyclic alkyl, or aryl groups, wherein each a is independently selected from 0-3, wherein each X is independently selected from —F, —CF3 or —CF2CF3, wherein each p is independently selected from 1-4, each q is independently selected from 1-5, each r is independently selected from 1-5, each m is independently selected from 1-50, each Z is independently selected from —F and —(CH2)sOH, and each s is independently selected from 1-4. The present invention also provides for the use of this compound as a surfactant in highly fluorinated liquid solvents. Latexes of dispersed particles utilizing this surfactant are provided.Type: GrantFiled: June 28, 2000Date of Patent: September 17, 2002Assignee: 3M Innovative Properties CompanyInventors: Prabhakara Satyauolu Rao, Naiyong Jing
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Patent number: 6444702Abstract: The present invention provides novel aminoadamantane derivatives, methods of making the derivatives, compositions including the novel aminoadamantane derivatives, and methods for the treatment and prevention of neurological diseases using the derivatives and compositions.Type: GrantFiled: February 22, 2000Date of Patent: September 3, 2002Assignee: NeuroMolecular, Inc.Inventors: Yuqiang Wang, Wenqing Ye, James W. Larrick, Jonathan S. Stemler, Stuart A. Lipton
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Patent number: 6437016Abstract: The invention relates to a radiation curable compound being a mono or multi valent carboxylic ester of a compound containing a hydroxyalkylamidegroup and a hydroxygroup in which the carboxylic ester is derived from an &agr;,&bgr;-ethylenically unsaturated carboxylic acid. A coating composition comprising this compound has a high rate of polymerisation and shows the desired chemical and mechanical properties.Type: GrantFiled: January 8, 2001Date of Patent: August 20, 2002Assignee: DSM N.V.Inventors: Johan F. G. A. Jansen, Aylvin J. A. A. Dias, Pascal M. H. P. Tijssen
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Patent number: 6426414Abstract: The present invention relates to water dispersible polyisocyanate mixtures prepared from aliphatic, cycloaliphatic, araliphatic and/or aromatic diisocyanates and having a) an average isocyanate functionality of at least 2.0, b) a content of 5.0 to 25.0 wt. %, based on resin solids, of isocyanate groups (calculated as NCO; molecular weight=42) and c) a content of 2 to 50 wt. %, based on resin solids, of ethylene oxide units calculated as C2H2O; molecular weight 44) incorporated within polyether chains containing an average of 5 to 35 ethylene oxide units, wherein at least 60 mole % of the polyether chains are connected via allophanate groups to two polyisocyanate molecules which are each prepared from at least two diisocyanate molecules. The present invention also relates to a process for the preparation of these water dispersible polyisocyanate.Type: GrantFiled: May 14, 1999Date of Patent: July 30, 2002Assignee: Bayer AktiengesellschaftInventors: Hans-Josef Laas, Reinhard Halpaap, Christian Wamprecht
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Patent number: 6420508Abstract: The present invention relates to polyisocyanate mixtures prepared from aliphatic and/or cycloaliphatic diisocyanates and having a) an average isocyanate functionality of at least 2.0, b) a content of isocyanate groups (calculated as NCO; molecular weight=42) of 4.0 to 28.0 wt. % and c) a content of alkoxy groups having up to 36 carbon atoms of 2.0 to 37.5 wt. %, wherein the alkoxy groups are constituents of allophanate groups or optionally urethane groups, provided that >50 mol % of the alkoxy groups are a constituent of allophanate groups that are connected to at least two polyisocyanate molecules which are each prepared from at least two diisocyanates. The present invention also relates to a process for preparing these polyisocyanate mixtures and to coating compositions, which are highly diluted or dilutable with non-polar solvents and contain these polyisocyanate mixtures and lacquer binders or binder components optionally containing isocyanate-reactive groups.Type: GrantFiled: June 8, 2000Date of Patent: July 16, 2002Assignee: Bayer AktiengesellschaftInventors: Karsten Danielmeier, Lutz Schmalstieg, Hans-Josef Laas, Harald Mertes, Reinhard Jahn
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Patent number: 6417313Abstract: Low-monomer, NCO-containing prepolymers based on 1,4-diisocyanato-2,2,6-trimethylcyclohexane, a process for their preparation, and their use.Type: GrantFiled: March 29, 2001Date of Patent: July 9, 2002Assignee: Degussa AGInventor: Emmanouil Spyrou
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Patent number: 6416686Abstract: Polyisocyanates are prepared by a process which comprises (i) preparation of an addition product (A) which contains one group which is reactive toward isocyanate and one isocyanate group by reacting (a) a diisocyanate I with (b) compounds containing two groups which are reactive toward isocyanate, where at least one of the components (a) or (b) has functional groups having differing reactivities toward the functional groups of the other component, (ii) if desired, intermolecular addition reaction of the addition product (A) to form a polyaddition product (P) which contains one group which is reactive toward isocyanate and one isocyanate group and (iii) reaction of the addition product (A) and/or the polyaddition product (P) with a diisocyanate or polyisocyanate II which is different from diisocyanate I.Type: GrantFiled: March 16, 2001Date of Patent: July 9, 2002Assignee: BASF AktiengesellschaftInventors: Bernd Bruchmann, Hans Renz, Rainer Königer, Ulrike Ehe, Ulrich Treuling, Rudolf Müller-Mall
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Patent number: 6413698Abstract: A photohardenable resin composition comprising (A) a urethanated acrylic compound represented by formula (I): (A)a—C—(R)4−a wherein R is H or alkyl; a is 3 or 4; and A represents a group of formula (II): wherein D represents —CH2CH2O—, —CH2CH(CH3)O—, —CH2CH2COO— or —(CH2)6COO—; E represents —CH2CH2O—, —CH2CH(CH3)O—, —COCH2CH2O— or —CO(CH2)6O—; G represents a diol or triol residual group; J represents a divalent or trivalent and substituted or unsubstituted hydrocarbon group; L represents —(CH2CH2O)h— (h: integer of 1 to 4), —(CH2CH(CH3)O)j— (j: integer of 1 to 4), or —(CH2CH2O)k—(CH2CH(CH3)O)m— (k, m: integer of 1 to 3 (k+m=2, 3 or 4); b, c, and d are each 0 or 1 (b+c+d=1, 2 or 3); e is 0, 1 or 2; f is 0 or 1 (e+f=1 or 2); and g is 1 or 2, and (B) a radical polymerizable compound at a (A) : (B) rType: GrantFiled: January 6, 2000Date of Patent: July 2, 2002Assignees: Teijin Seiki Co., Ltd., Takemoto Yushi Kabushiki Kaisha, Shin-Nakamura Chemical Co., Ltd.Inventors: Yorikazu Tamura, Tsuneo Hagiwara, Makoto Ohtake, Minoru Shinoda, Toshiharu Suzuki, Tatsuhiko Ozaki, Yasushi Ishihama, Takayuki Nakamura
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Patent number: 6414158Abstract: The invention relates to novel carbazate intermediates of formula (II), and to a process for their preparation, and their usefulness in the preparation of (1,3,4) oxadiazine derivatives useful as pesticides, in particular as anthelminthicides, insecticides, acaricides, and nematicides.Type: GrantFiled: July 6, 2000Date of Patent: July 2, 2002Assignee: Bayer AKtiengesellschaftInventors: Hubert Dyker, Andrew Plant, Jürgen Scherkenbeck, Christoph Erdelen, Achim Harder
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Patent number: 6410749Abstract: Process for preparing optically active &bgr;-amino alcohols represented by a general formula (2): Ra—C*H(OH)—C*H(Rb)—Rc wherein Ra and Rc are each independently hydrogen, optionally substituted alkyl, optionally substituted cycloalkyl, Rb is one member selected from among groups represented by the following general formulae; (3) R1CO(R2)N—, and (4) R1CO(R1′CO)N—, and C* is an asymmetric carbon atom, characterized by reacting a racemic &agr;-aminocarbonyl compound represented by the general formula (1): Ra—CO—CH(Rb)—Rc, with hydrogen in the presence of an optically active transition metal compound represented by a general formula (7): MaXY(Px)m(Nx)n wherein Ma represents a metal atom belonging to VIII-group of the periodic law, X and Y represent each independently hydrogen, halogeno, Px represents a phosphine ligand, Nx represents an amine ligand, at least one of Px and Nx is optically active, and m and n each independently represent 0 or an integer of 1 thType: GrantFiled: July 17, 2001Date of Patent: June 25, 2002Assignee: Nippon Soda Co., Ltd.Inventors: Eiji Katayama, Daisuke Sato, Hirohito Ooka, Tsutomu Inoue
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Patent number: 6410778Abstract: Organic diurethanes and/or polyurethanes are prepared by reacting organic diamines and/or polyamines (a) with urea and/or alkyl cabamates (b) and alcohols (c) in the presence of soluble zirconium compounds, preferably zirconium alkoxides, zirconium acetate or zirconium acetylacetonate, as catalyst (d). They can be used for preparing diisocyanates and/or polyisocyanates by thermal dissociation.Type: GrantFiled: May 7, 1998Date of Patent: June 25, 2002Assignee: BASF AktiengesellschaftInventors: Gerhard Laqua, Ulrich Schoner, Andreas Otterbach, Hans Volkmar Schwarz
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Patent number: 6395860Abstract: The polyisocyanate ester compound is a branched material having at least two ester linkages, at least four urethane linkages further from the center of the compound compared to the ester linkages, and at least one terminal isocyanate group for each urethane linkage, which isocyanate group may be blocked. The compound can be prepared by first by reacting a polyol compound having at least two hydroxyl groups with a carboxylic acid compound having one carboxylic acid group and at least two hydroxyl groups to form a hydroxyl-functional ester product. The hydroxyl-functional ester product is then reacted with a polyisocyanate compound in which the isocyanate groups have different reactivities. The reaction with the polyisocyanate compound is carried out under conditions so that only one of the isocyanate groups is substantially reactive with the hydroxyl groups of the ester product of the first stage.Type: GrantFiled: September 26, 2000Date of Patent: May 28, 2002Assignee: BASF CorporationInventors: Swaminathan Ramesh, Manoj K. Gupta
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Patent number: 6392087Abstract: The present invention relates to a dimeric urethane compounds derived from monohydric alcohols, generally fatty alcohols, and a diisocyanate according to the following reaction scheme: wherein R1 is selected from the group of saturated, unsaturated or halogen substituted linear, cyclic or branch-chained hydrocarbons and R2 is a linear, cyclic or branch-chained alkyl or aminoalkyl group ranging from two to 200 carbon atoms, preferably two to 50 carbons, more preferably 6 to 36 carbons, said urethane compound being substantially free from terminal hydroxyl groups.Type: GrantFiled: May 10, 1999Date of Patent: May 21, 2002Assignee: Alzo, Inc.Inventors: Albert Zofchak, Madeline Kenney, John Obeji, Michael Mosquera
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Patent number: 6392001Abstract: The present invention relates to a process for the production of polyisocyanates containing allophanate groups and having aliphatically and/or cycloaliphatically bound isocyanate groups by reacting organic compounds containing urethane groups with organic polyisocyanates containing aliphatically and/or cycloaliphatically bound isocyanate groups in the presence of tin compounds and to the use of these polyisocyanates, optionally blocked with blocking agents for isocyanate groups, as an isocyanate component in the production of polyurethanes, in particular polyurethane coatings.Type: GrantFiled: May 1, 1995Date of Patent: May 21, 2002Assignee: Bayer AktiengesellschaftInventors: Harald Mertes, Josef Pedain, Reinhard Halpaap
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Patent number: 6392085Abstract: The present invention relates to intermediates useful for the preparation of certain compounds, for example, purine carbocyclic nucleosides.Type: GrantFiled: July 10, 1998Date of Patent: May 21, 2002Assignee: SmithKline Beecham CorporationInventors: Susan Mary Daluge, Douglas Alan Livingston
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Patent number: 6384174Abstract: Fluorine-containing diols represented by the following formula are provided: wherein Rf represents a perfluoroalkyl or perfluoroalkenyl group having 1 to 20 carbon atoms; X represents a substituted or unsubstituted alkylene group having 1 to 10 carbon atoms, a substituted or unsubstituted alkenylene group represented by —CH═CH—(CH2)n— in which n is from 1 to 10, or in which n is from 0 to 6; Y represents a direct bond, —O—, —NH—, or —R0—NH— in which R0 is an alkylene group having 1 to 6 carbon atoms; Z represents a direct bond or —N(R′)R— in which R is an alkylene group having 1 to 20 carbon atoms and R′ is a hydrogen atom or an alkyl group having 1 to 6 carbon atoms; R1 and R2 divalent organic groups; and R3 represents a residual group of diisocyanate. These diols are useful for polyurethanes.Type: GrantFiled: March 6, 2001Date of Patent: May 7, 2002Assignees: Dainichiseika Color & Chemicals Mfg. Co., Ltd., Ukima Colour & Chemicals Mfg. Co., Ltd.Inventors: Kazuyuki Hanada, Kazuya Kimura
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Patent number: 6380423Abstract: The invention includes colorless compounds having a central core and at least two arms extending from the core. The core can comprise one or more atoms. The at least two arms have the formula In such formula, Z is a segment of one or more atoms; j is an integer from 1 to about 300 and can be different at one of the at least two arms than at another of the at least two arms; Q is an alkyl or aryl group and can vary amongst different alkyl and aryl groups within the colorless compound; and n is an integer greater than 1 and can be different at one of the at least two arms than at another of the at least two arms. In other aspects, the invention encompasses phase change inks incorporating the above-described colorless compound as toughening agent, and methods of printing with such phase change inks.Type: GrantFiled: May 23, 2001Date of Patent: April 30, 2002Assignee: Xerox CorporationInventors: Jeffrey H. Banning, Donald R. Titterington, Wolfgang G. Wedler
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Publication number: 20020045777Abstract: The present invention relates to aminocyclohexanol derivatives useful for the treatment and/or prophylaxis of diseases which are associated with 2,3-oxidosqualene-lanosterol cyclase such as hypercholesterolemia, hyperlipemia, arteriosclerosis, vascular diseases, mycoses, gallstones, tumors and/or hyperproliferative disorders, and treatment and/or prophylaxis of impaired glucose tolerance and diabetes.Type: ApplicationFiled: August 9, 2001Publication date: April 18, 2002Inventors: Jean Ackermann, Johannes Aebi, Denise Blum, Alexander Chucholowski, Henrietta Dehmlow, Hans-Peter Maerki, Olivier Morand, Rene Trussardi, Elisabeth von der Mark, Sabine Wallbaum, Thomas Weller
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Patent number: 6369188Abstract: Polyfunctional polymerizable urethane- or urea-containing oligomers allow the design, adjustment, and regulation of chemical and physical properties of the described oligomers. The invention discloses the formulas and compositions of these oligomers, methods of their synthesis, and methods of converting the described oligomers into useful polymeric products. The described oligomers can be used for many purposes, both directly and in combination with other chemicals in multiple applications such as adhesives, sealants, coatings, composites, etc., as well as in castable and moldable materials.Type: GrantFiled: March 27, 1999Date of Patent: April 9, 2002Assignee: Polymeright, Inc.Inventors: Leonid Rappoport, Alex Vainer, Aleksandr Yam
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Publication number: 20020040110Abstract: This invention involves a carbamate functional polymer or oligomer made by reacting a cyclic carbonate with ammonia or a primary amine, then reacting the resulting hydroxycarbamate with a polyfucnctional material containing groups reactive with hydroxyl groups to form a polyfunctional carbamate. The polymer formed is mixed with an aminoplast, coated on a substrate and cured to form a crosslinked coating.Type: ApplicationFiled: December 22, 2000Publication date: April 4, 2002Inventors: Dean C. Webster, Allen L. Crain
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Patent number: 6362359Abstract: The present invention relates to compounds containing modified hydrazide groups and corresponding to formula I wherein R represents the residue obtained by removing the isocyanate groups from a monomeric polyisocyanate, a polyisocyanate adduct or an NCO prepolymer, X represents OR′ or NHR′ and R′ represents a group which is inert to isocyanate groups under the conditions used to form the compound of formula I, R″ represents a divalent, linear or branched aliphatic group containing 2 to 10 carbon atoms, provided that there are at least two carbons between the oxygen atoms wherein the aliphatic group may optionally be substituted by heteroatoms to form ether or ester groups, and n is 2 to 6.Type: GrantFiled: December 1, 2000Date of Patent: March 26, 2002Assignee: Bayer CorporationInventors: Sze-Ming Lee, Karen M. Henderson, Patricia B. Jacobs, Robert A. Sylvester, Douglas A. Wicks
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Publication number: 20020035232Abstract: The invention concerns an isocyanate composition at least partially masked, characterized in that it is masked by at least two agents, one of which at least has a non-carbon carboxylic function. The invention is applicable to organic synthesis.Type: ApplicationFiled: October 9, 2001Publication date: March 21, 2002Inventor: Jean-Marie Bernard
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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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Patent number: 6350905Abstract: Osmium-catalyzed aminohydroxylation reactions are accelerated and expanded in scope by the use of olefinic substrates having ionic groups, either anionic or cationic. The use of ionic groups on olefinic substrates also extends the aminohydroxylatable positions of unsaturations to include &agr;,&bgr;, &bgr;,&ggr;, and &ggr;,&dgr; positions, with respect to such ionic groups. A mechanism for the disclosed acceleration and extension is provided.Type: GrantFiled: August 20, 1999Date of Patent: February 26, 2002Assignee: The Scripps Research InstituteInventors: K. Barry Sharpless, Valery Fokin
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Patent number: 6350305Abstract: A polymeric furanone magenta colorant is disclosed that contains a furanone magenta chromophore having a furanone adduct, the adduct containing at least one alkoxylated phenyl radical, the chromophore further being derived from at least one aromatic aldehyde having a para-nitrogen and containing electron donating groups selected from the group consisting of alkyls, cycloalkyls, and oligomers or polymers derived from alkyleneoxy or aryleneoxy moieties. The colorant can be utilized in resins, waxes and inks.Type: GrantFiled: October 8, 1999Date of Patent: February 26, 2002Assignee: Xerox CorporationInventors: Clifford R. King, Jeffery H. Banning
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Patent number: 6346545Abstract: The present invention relates to urethanes and the thio and dithio analogues thereof of general formula wherein m, n, A, X, Y and R1 to R8 are defined as in claim 1, the enantiomers, diastereomers and the salts thereof, particularly the physiologically acceptable acid addition salts thereof which have valuable properties, particularly an inhibitory effect on cholesterol biosynthesis, pharmaceutical compositions containing these compounds, their use and processes for preparing them.Type: GrantFiled: March 24, 1999Date of Patent: February 12, 2002Assignee: Boehringer Ingelheim Pharma KGInventors: Roland Maier, Rudolf Hurnaus, Michael Mark, Bernhard Eisele, Peter Mueller, Gebhard Adelgoss, Gebhard Schilcher
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Publication number: 20020010360Abstract: The invention relates to a novel process for the preparation of an aminoalcohol of the formula 1Type: ApplicationFiled: January 30, 2001Publication date: January 24, 2002Applicant: Lonza AGInventors: Walter Brieden, Josef Schroer, Christine Bernegger-Egli, Eva Maria Urban, Michael Petersen, Jean-Paul Roduit, Katja Berchtold, Holger Breitbach
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Publication number: 20020007036Abstract: High-functionality polyisocyanates are prepared by a process which comprisesType: ApplicationFiled: March 19, 2001Publication date: January 17, 2002Inventors: Bernd Bruchmann, Hans Renz, Rainer Koniger, Ulrike Ehe, Ulrich Treuling, Rudolf Muller-Mall
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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: 6316573Abstract: An adhesive paste, free of water, based on a reaction product of a polyisocyanate component and a co-reactant selected from the group consisting of a polyol, a monofunctional fatty derivative component and mixtures thereof, wherein the reaction product contains moisture reactive isocyanate groups.Type: GrantFiled: August 24, 1998Date of Patent: November 13, 2001Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Wolfgang Klauck, Wolfgang Maier
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Publication number: 20010039325Abstract: Unique masked isocyanates well suited for formulation into a variety of coating compositions, for example paint powders, are prepared by condensing an isocyanate with a ring-hydroxylated aromatic compound bearing at least one substituent which comprises a carbonyl or nitrile functional group and the apparent melting point of which being at least 30° C.Type: ApplicationFiled: October 29, 1997Publication date: November 8, 2001Inventors: PIERRE ARDAUD, JEAN-MARIE BERNARD
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Patent number: 6310172Abstract: This invention relates to water-dispersible polyisocyanates obtained by reacting a) at least one bishydroxy-functional compound of the formula (I) HO—R1,—[O—CR2R3—O—R1]n—OH (I) wherein R1, R2, R3, and n are defined herein, with b) at least one polyisocyanate of the formula (II) Q[NCO]q (II) wherein Q and q are defined herein, and subsequently, in any order, with c) at least one monofunctional polyether alcohol of the formula (III) R4—[O—R5]m—O—H (III) wherein R4, R5, and m are defined herein, and optionally with d) at least one compound of the formula (IV) H—O—[R5—O]o—N+R6R7R8 X− (IV) wherein R5, R6, R7, R8, O, and X− are defined herein.Type: GrantFiled: August 30, 2000Date of Patent: October 30, 2001Assignee: Bayer AktiengesellschaftInventors: Bernhard Jansen, Bernd Thiele, Thomas Roick
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Patent number: 6303650Abstract: This invention is directed to compounds of the following formula wherein when a is O, b is 1 or 2; when a is 1, b is 1, m is from 0-3 X is O or S, Y is halogeno, R1 is hydrogen C1-4 alkyl, R2 is hydrogen, C1-4 alkyl, or optionally substituted propargyl and R3 and R4 are each independently hydrogen, C1-8 alkyl, C6-12 aryl, C6-12 aralkyl each optionally substituted. This invention is also directed to the use of these compounds for treating depression, Attention Deficit Disorder (ADC), Attention Deficit and Hyperactivity Disorder (ADHD), Tourette's Syndrome, Alzheimer's Disease and other dementia's such as senile dementia, dementia of the Parkinson's type, vascular dementia and Lewy body dementia. This invention is further directed to a pharmaceutical composition comprising a therapeutically effective amount of the above-defined compounds and a pharmaceutically acceptable carrier.Type: GrantFiled: June 18, 1999Date of Patent: October 16, 2001Assignees: Yissum Research Development Company of the Hebrew University of Jerusalem, Technion Research and Development Foundation, Ltd., Teva Pharmaceutical Industries, Ltd.Inventors: Michael Chorev, Tamar Goren, Yacov Herzig, Jeffrey Sterling, Marta Weinstock-Rosin, Moussa B. H. Youdim
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Publication number: 20010027242Abstract: Low-monomer, NCO-containing prepolymers based on 1,4-diisocyanato-2,2,6-trimethylcyclohexane, a process for their preparation, and their use.Type: ApplicationFiled: March 29, 2001Publication date: October 4, 2001Applicant: Degussa AGInventor: Emmanouil Spyrou
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Patent number: 6284811Abstract: A polyester-polyol being liquid at 40° C. and having a viscosity of not more than 10,000 mPa·s at 60° C., prepared by polycondensation of an acid component including at least one phthalic acid component selected from phthalic anhydride and o-phthalic acid, and an aliphatic polybasic acid, with a polyhydric alcohol; a process for preparing a polyurethane foam including reacting a polyisocyanate component with a polyol component including the polyester-polyol; a process for preparing an isocyanate prepolymer from a polyisocyanate component and a polyol component including the polyester-polyol; and a process for preparing a polyurethane foam including reacting an isocyanate prepolymer prepared from a polyisocyanate component and a polyol component including the polyester-polyol, with a polyol component. The resulting polyurethane foam shows remarkably improved physical properties such as tensile strength and tear strength, while having low density, acceptable appearance and texture.Type: GrantFiled: May 17, 2000Date of Patent: September 4, 2001Assignee: Kao CorporationInventors: Minoru Sawai, Makoto Okubo, Kenichi Miyamoto, Kazunari Takemura, Masahiro Mori
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Publication number: 20010008946Abstract: The present invention relates to intermediates useful for the preparation of certain compounds, for example, purine carbocyclic nucleosides.Type: ApplicationFiled: July 10, 1998Publication date: July 19, 2001Inventors: SUSAN MARY DALUGE, DOUGLAS ALAN LIVINGSTON
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Patent number: 6262296Abstract: A polyisocyanate prepolymer with isocyanate group on terminal obtainable by reaction of (A) polyoxyalkylenepolyol, (B) polyhydric alcohol having a molecular weight of 90 to 250 and the number of hydroxyl group of 2 to 3 with branched alkyl group and/or cyclohexane ring and (C) organic polyisocyanate composed of bis(isocyanatemethyl)cyclohexane, wherein NCO group content in the polyisocyanate prepolymer is 8% by weight or above and urethane group content in the polyisocyanate prepolymer is 8% by weight or above and sum total of NCO group content and urethane group content is 16 to 30% by weight and a concentration of unreacted (C) organic polyisocyanate remained in the polyisocyanate prepolymer is 1% by weight or below.Type: GrantFiled: April 14, 2000Date of Patent: July 17, 2001Assignee: Mitsubishi Gas Chemical Company, Inc.Inventors: Takeshi Nomura, Takeshi Koyama, Yutaka Kono
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Patent number: 6262295Abstract: A process for the preparation of a racemic or optically active compound of the formula where the group R1 is an unsubstituted or a halogen substituted C1-4-alkyl, a C1-4-alkoxy, an aryl, an arylalkyl, an aryloxy, or arylalkylloxy.Type: GrantFiled: August 13, 1999Date of Patent: July 17, 2001Assignee: Lonza A.G.Inventors: Christine Bernegger, Eva Maria Urban, Olwen Mary Birch, Kurt Burgdorf, Frank Brux, Kay-Sara Etter, Pierre Bossard, Walter Brieden, Laurent Duc, John Gordon, Colm O'Murchu, Yves Guggisberg
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Publication number: 20010007900Abstract: Amine-terminated urethane oligomer compositions are described that include very high oligomer concentrations. The compositions are melts of the amine-terminated oligomers. The compositions can include one or more property modifiers. The compositions are useful in the formation of crosslinked copolymers, especially with epoxy resins. The resulting copolymers are useful in the formation of coatings.Type: ApplicationFiled: February 26, 2001Publication date: July 12, 2001Inventors: Joseph S. Keute, Anne-Marie Thunnissen, Robert J. Tweedy
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Publication number: 20010005761Abstract: Organic diurethanes and/or polyurethanes are prepared by reacting organic diamines and/or polyamines (a) with urea and/or alkyl cabamates (b) and alcohols (c) in the presence of soluble zirconium compounds, preferably zirconium alkoxides, zirconium acetate or zirconium acetylacetonate, as catalyst (d). They can be used for preparing diisocyanates and/or polyisocyanates by thermal dissociation.Type: ApplicationFiled: May 7, 1998Publication date: June 28, 2001Inventors: GERHARD LAQUA, ULRICH SCHONER, ANDREAS OTTERBACH, HANS VOLKMAR SCHWARZ
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Patent number: 6251938Abstract: This invention is directed to compounds of the following formula: wherein m is from 0-4; X is O or S; Y is halogeno; R1 is hydrogen or C1-4 alkyl; R2 is hydrogen, C1-4 alkyl or optionally substituted propargyl; and R3 and R4 are each independently hydrogen, C1-8 alkyl, C6-12 aryl, C6-12 cycloalkyl or C6-12 aralkyl, R5 is hydrogen or C1-4 alkyl; and pharmaceutically acceptable salts thereof, provided that when X is O, R2 is optionally substituted propargyl. This invention is also directed to the use of these compounds for treating depression, Attention Deficit Disorder (ADD), Attention Deficit and Hyperactivity Disorder (ADHD), Tourette's Syndrome, Alzheimer's Disease and other dementia's such as senile dementia, dementia of the Parkinson's type, vascular dementia and Lewy body dementia. This invention is further directed to a pharmaceutical composition comprising a therapeutically effective amount of the above-defined compounds and a pharmaceutically acceptable carrier.Type: GrantFiled: June 18, 1999Date of Patent: June 26, 2001Assignees: Teva Pharmaceutical Industries, Ltd.,, Technion Research and Development Foundation, Ltd.,, Yissum Research Development Company of the Hebrew University of JerusalemInventors: Michael Chorev, Tamar Goren, Yacov Herzig, Jeffrey Sterling, Marta Weinstock-Rosin, Moussa B. H. Youdim
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Patent number: 6252112Abstract: A novel process for the preparation of (1S, 4R)- or (1R, 4S)-4-(2-amino-6-chloro-9H-purin-9-yl)-2 -cyclopentene-1-methanol of the formula is described.Type: GrantFiled: August 13, 1999Date of Patent: June 26, 2001Assignee: Lonza A.G.,Inventors: Christine Bernegger, Eva Maria Urban, Olwen Mary Birch, Kurt Burgdorf, Frank Brux, Kay-Sara Etter, Pierre Bossard, Walter Brieden, Laurent Duc, John Gordon, Colm O'Murchu, Yves Guggisberg
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Patent number: 6242530Abstract: The present invention relates to (cyclo)aliphatic polyisocyanates which have a content of blocked and unblocked isocyanate groups (calculated a NCO) of 5 to 25 wt. %, in which at least 95% of the isocyanate groups are present in a form blocked with blocking agents, and which also contain 0.1 to 5.0 wt. % of amines having a structural unit corresponding to formula (I) The present invention also relates to the use of the blocked polyisocyanates according to the invention as crosslinking agents for organic polyhydroxyl compounds in 1C-PUR stoving lacquers, especially for automotive clearcoats and coil coating lacquers.Type: GrantFiled: September 3, 1997Date of Patent: June 5, 2001Assignee: Bayer AktiengesellschaftInventors: Eberhard König, Karl-Ludwig Noble, Theodor Engbert
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Patent number: 6239247Abstract: The present invention provides a method for preparing a fluorochemical composition comprising a urethane by reacting: (A) fluorochemical oligomer of the formula (I): MfmMn—Q1—T1 wherein MfmMn represents a fluorochemical oligomer comprising m units derived from fluorinated monomer and n units derived from fluorine-free monomer and wherein the fluorinated monomers and fluorine-free monomers may be the same or different; m is a value of about 2 to 40; n is a value of about 0 to 20; T1 is an —OH or —NH2 moiety; Q1 and T1 together represent an organic residue obtained by removing a hydrogen atom from a chain transfer agent that is functionalized with T1; (B) monofunctional compound capable of reacting with an isocyanate and comprising a poly(oxyalkylene) group; (C) isocyanate blocking agent or a fluorine-free oligomer; and (D) isocyanate-reactive compound other than said fluorochemical oligomer, said isocyanate blocking agent, said fluorine-free oligomer and said monofunctional compound; wiType: GrantFiled: September 24, 1999Date of Patent: May 29, 2001Assignee: 3M Innovative Properties CompanyInventors: Kathy E. M. L. A. Allewaert, Rudolf J. Dams, Pierre J. Vander Elst