To Three Ring Carbons Patents (Class 544/221)
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Patent number: 5837796Abstract: The present invention relates to a process for preparing polyisocyanates containing isocyanurate groups by trimerizing a portion of the isocyanate groups of an organic polyisocyanate component containinga) one or more diisocyanates corresponding to formula (1) ##STR1## wherein R represents a saturated, straight-chain, aliphatic hydrocarbon group having 8 to 15 carbon atoms and optionallyb) up to 95 NCO equivalent-%, based on the total equivalents a) and b), of one or more organic polyisocyanates other than a),in the presence of trimerization catalysts and terminating the trimerization reaction at any desired degree of trimerization.The invention also relates to the polyisocyanates containing isocyanurate groups obtained by this process and to their use, optionally in excess starting polyisocyanates and optionally blocked with blocking agents for isocyanate groups, as an isocyanate component for preparing polyisocyanate addition products.Type: GrantFiled: June 25, 1997Date of Patent: November 17, 1998Assignee: Bayer AktiengesellschaftInventors: Hans-Joachim Scholl, Bernhard Jansen, Rolf-Volker Meyer
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Patent number: 5798431Abstract: A process for the production of polyisocyanates containing isocyanurate groups by the catalytic trimerization of a mixture of low molecular weight isocyanate components having aliphatically and aromatically bound isocyanate groups in the presence of aminosilyl compounds, the resulting polyisocyanates and their use in coating compositions.Type: GrantFiled: July 15, 1996Date of Patent: August 25, 1998Assignee: Bayer AktiengesellschaftInventors: Martin Brahm, Carl-gerd Dieris, Lutz Schmalstieg, Reinhard Halpaap
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Patent number: 5763605Abstract: There is provided a 3-(3-aryloxyphenyl)-1-(substituted methyl)-s-triazine-2,4,6-oxo or thiotrione compound having the structural formula I ##STR1## Further provided are a composition and a method comprising that compound for the control of undesirable plant species.Type: GrantFiled: June 2, 1995Date of Patent: June 9, 1998Assignee: American Cyanamid CompanyInventors: Alvin Donald Crews, Jr., Philip Mark Harrington
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Patent number: 5726126Abstract: There is provided a 1-(3-heterocyclylphenyl)-s-triazine-2, 4,6-oxo or thiotrione compound having the structural formula I ##STR1## Further provided are a composition and a method comprising that compound for the control of undesirable plant species.Type: GrantFiled: November 26, 1996Date of Patent: March 10, 1998Assignee: American Cyanamid CompanyInventors: Alvin Donald Crews, Jr., Philip Mark Harrington, Gary Mitchell Karp, Mark Christopher Manfredi, Michael Anthony Guaciaro
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Patent number: 5723564Abstract: A process for the preparation of isocyanurate group-containing polyisocyanates in solvents which are inert towards isocyanate groups by reacting 0.2 to 1.5% of the isocyanate groups of diisocyanatotoluene with an aliphatic monohydric alcohol having 6 to 22 carbon atoms and subsequently trimerizing at least a portion of the isocyanate groups of the urethanized diisocyanates in the form of 40 to 70 wt. % solutions in lacquer solvents which are inert towards isocyanate groups, and the use of these polyisocyanates in two-component polyurethane coating compositions.Type: GrantFiled: June 21, 1996Date of Patent: March 3, 1998Assignee: Bayer AktiengesellschaftInventors: Lutz Schmalstieg, Carl-Gerd Dieris, Wolfgang Kremer, Bernd Riberi
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Patent number: 5719281Abstract: In a process for preparing 1,3,5-tris(2-hydroxyalkyl) isocyanurates from cyanuric acid and aliphatic epoxides, the reaction is carried out in the presence of catalytic amounts of an organic phosphorus compound.Type: GrantFiled: March 22, 1996Date of Patent: February 17, 1998Assignee: BASF AktiengesellschaftInventors: Frank Gutschoven, Rainer Becker, Johann-Peter Melder, Etienne van den Brande, Thomas Krader
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Patent number: 5670641Abstract: There is provided a 3-(3-aryloxyphenyl)-1-(substituted methyl)-s-triazine-2,4,6-oxo or thiotrione compound having the structural formula I ##STR1## Further provided are a composition and a method comprising that compound for the control of undesirable plant species.Type: GrantFiled: June 2, 1995Date of Patent: September 23, 1997Assignee: American Cyanamid CompanyInventors: Alvin Donald Crews, Jr., Philip Mark Harrington, Gary Mitchell Karp, Simon David Gill, Petra Dieterich
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Patent number: 5659031Abstract: There is provided a 1-(3-heterocyclylphenyl)-s-triazine-2,4,6-oxo or thiotrione compound having the structural formula I ##STR1## Further provided are a composition and a method comprising that compound for the control of undesirable plant species.Type: GrantFiled: June 2, 1995Date of Patent: August 19, 1997Assignee: American Cyanamid CompanyInventors: Alvin Donald Crews, Jr., Gary Mitchell Karp, Mark Christopher Manfredi, Michael Anthony Guaciaro
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Patent number: 5654256Abstract: There is provided a 3-(3-aryloxyphenyl)-1-(substituted methyl)-s-triazine-2,4,6-oxo or thiotrione compound having the structural formula I ##STR1## Further provided are a composition and a method comprising that compound for the control of undesirable plant species.Type: GrantFiled: June 2, 1995Date of Patent: August 5, 1997Assignee: American Cyanamid CompanyInventors: Alvin Donald Crews, Jr., Philip Mark Harrington, Simon David Gill
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Patent number: 5646098Abstract: The invention relates to novel compositions comprising ene and free radical adducts of unsaturated and saturated hydrocarbons, and acyclic and cyclic vicinal polycarbonyl compounds such as diethyl ketomalonate and indantrione. The adducts are reacted with nucleophiles such as amines, electrophiles such as anhydrides and esters, and metal ions. Post-products are obtained via reaction of said products with capping reagents such as boric acid. Compositions containing said adducts, products and post-products include oleaginous substances such as fuels and lube oils.Type: GrantFiled: May 13, 1994Date of Patent: July 8, 1997Assignee: Exxon Chemical Patents IncInventor: Stanley J. Brois
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Patent number: 5637714Abstract: Esters or phenol ethers of the formula I or II ##STR1## in which m and n are each an integer from the range from 1 to 6; A.sup.1 is an m-valent hydrocarbon radical having 1 to 30 carbon atoms; or an m-valent hydrocarbon radical having 2 to 30 carbon atoms, which contains the heteroatoms oxygen, nitrogen and/or sulfur and the free valencies of which are located on carbon atoms; and in which A.sup.1, in the case where m=2, additionally is a direct bond;A.sup.2 is an n-valent aromatic or araliphatic hydrocarbon radical having 6 to 30 carbon atoms; or an n-valent aromatic or araliphatic hydrocarbon radical having 5 to 30 carbon atoms, which contains the heteroatoms oxygen, nitrogen and/or sulfur and n free valencies of which are located on those carbon atoms which are a constituent of aromatic rings;R.sup.1 is hydrogen; a hydrocarbon or hydrocarbonoxy radical having 1 to 36 carbon atoms, which is unsubstituted or substituted by --CO--N(R.sup.3).sub.2 or interrupted by --CON(R.sup.3)-- or --N(R.sup.Type: GrantFiled: June 7, 1995Date of Patent: June 10, 1997Assignee: Ciba-Geigy CorporationInventor: Alfred Steinmann
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Patent number: 5616706Abstract: There is provided a 1-(3-heterocyclylphenyl)-s-triazine-2,4,6-oxo or thiotrione compound having the structural formula I ##STR1## Further provided are a composition and a method comprising that compound for the control of undesirable plant species.Type: GrantFiled: June 2, 1995Date of Patent: April 1, 1997Assignee: American Cyanamid CompanyInventors: Alvin D. Crews, Jr., Philip M. Harrington, Gary M. Karp, Mark C. Manfredi, Michael A. Guaciaro
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Patent number: 5604180Abstract: There is provided a 3-(3-aryloxyphenyl)-1-(substituted methyl)-s-triazine-2,4,6-oxo or thiotrione compound having the structural formula I ##STR1## Further provided are a composition and a method comprising that compound for the control of undesirable plant species.Type: GrantFiled: June 2, 1995Date of Patent: February 18, 1997Inventors: Alvin D. Crews, Jr., Philip M. Harrington, Gary M. Karp, Simon D. Gill, Petra Dieterich
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Patent number: 5565564Abstract: Polyfluoro organic compound having at least one urea linkage derived from: (1) at least one polyisocyanate containing at least three isocyanate groups, (2) at least one fluorochemical compound which contains per molecule (a) a single functional group having one or more Zerewitinoff hydrogen atoms and (b) at least two carbon atoms each of which contains least two fluorine atoms, and (3) water in an amount sufficient to to react with from about 5% to about 60% of the isocyanate groups.Type: GrantFiled: March 3, 1995Date of Patent: October 15, 1996Assignee: E. I. Du Pont de Nemours and CompanyInventor: Jack R. Kirchner
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Patent number: 5519133Abstract: There is provided a 3-(3-aryloxyphenyl)-1-(substituted methyl)-s-triazine-2,4,6-oxo or thiotrione compound having the structural formula I ##STR1## Further provided are a composition and a method comprising that compound for the control of undesirable plant species.Type: GrantFiled: June 2, 1995Date of Patent: May 21, 1996Assignee: American Cyanamid Co.Inventors: Alvin D. Crews, Jr., Philip M. Harrington, Gary M. Karp, Simon D. Gill, Petra Dieterich
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Patent number: 5473011Abstract: The present invention relates to polyisocyanate mixtures havinga) an average isocyanate functionality of at least 4.1,b) a (cyclo)aliphatically bound isocyanate group content (calculated as NCO, molecular weight =42) of 12.0 to 20.5% by weight,c) a chemically incorporated carboxyl group content (calculated as COOH, molecular weight =45) of 0.01 to 5.0% by weight andd) an ethylene oxide unit content arranged within terminal or lateral polyether chains of 0 to 10% by weight (calculated as C.sub.2 H.sub.4 O, molecular weight =44).The present invention also relates to a process for the preparation of these polyisocyanate mixtures and to their use as cross-linking agents in aqueous coating compositions containing water soluble or dispersible binders or binder components.Type: GrantFiled: April 15, 1992Date of Patent: December 5, 1995Assignee: Bayer AktiengesellschaftInventors: Hans-Josef Laas, Rainer Rettig, Reinhard Halpaap, Klaus Nachtkamp
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Patent number: 5457204Abstract: Esters or phenol ethers of the formula I or II ##STR1## in which m and n are each an integer from the range from 1 to 6; A.sup.1 is an m-valent hydrocarbon radical having 1 to 30 carbon atoms; or an m-valent hydrocarbon radical having 2 to 30 carbon atoms, which contains the heteroatoms oxygen, nitrogen and/or sulfur and the free valencies of which are located on carbon atoms; and in which A.sup.1, in the case where m=2, additionally is a direct bond;A.sup.2 is an n-valent aromatic or araliphatic hydrocarbon radical having 6 to 30 carbon atoms; or an n-valent aromatic or araliphatic hydrocarbon radical having 5 to 30 carbon atoms, which contains the heteroatoms oxygen, nitrogen and/or sulfur and n free valencies of which are located on those carbon atoms which are a constituent of aromatic rings;R.sup.1 is hydrogen; a hydrocarbon or hydrocarbonoxy radical having 1 to 36 carbon atoms, which is unsubstituted or substituted by --CO--N(R.sup.3).sub.2 or interrupted by --CO--N(R.sup.3)-- or --N(R.sup.Type: GrantFiled: July 7, 1994Date of Patent: October 10, 1995Assignee: Ciba-Geigy CorporationInventor: Alfred Steinmann
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Patent number: 5447904Abstract: The invention relates to new 3-aryl-triazine-2,4-diones of the general formula (I) ##STR1## in which Het represents a radical of the formula ##STR2## R.sup.1 represents hydrogen or halogen, R.sup.2 represents halogen, cyano or nitro andR.sup.3 represents a radical of the formula --X--R.sup.6 or --CO--X--R.sup.7, in whichR.sup.4 represents hydrogen, cyano, alkyl, alkenyl, alkinyl or halogenoalkyl,R.sup.5 represents alkyl, alkenyl or alkinyl,R.sup.6 represents hydrogen or optionally substituted alkyl,R.sup.7 represents hydrogen or optionally substituted alkyl,X represents oxygen or sulphur andZ represents oxygen or sulphur, to a process for their preparation, to new intermediates, and to their use as herbicides.Type: GrantFiled: August 17, 1993Date of Patent: September 5, 1995Assignee: Bayer AktiengesellschaftInventors: Otto Schallner, Klaus Lurssen, Hans-Joachim Santel, Robert R. Schmidt, Renate Vosswinkel
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Patent number: 5428162Abstract: Novel compounds of the formula (1), ##STR1## in which R.sub.1 is hydrogen or acyl, R.sub.2 to R.sub.5 are independently hydrogen, chloro, alkyl phenylalkyl, aryl, cycloalkyl, alkoxy, alkylthio, hydroxy, amino or substituted amino, R.sub.6 is hydrogen, R.sub.7 to R.sub.10 are independently hydrogen, alkyl or alkoxy, R.sub.17 or R.sub.19 is hydrogen or alkyl, and R.sub.18 is hydrogen, alkyl, aralkyl or aryl, are described for use as stabilizers for organic materials against thermal, oxidative or light-induced degradation.Type: GrantFiled: September 20, 1993Date of Patent: June 27, 1995Assignee: Ciba-Geigy CorporationInventor: Peter Nesvadba
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Patent number: 5414111Abstract: Polyfluoro organic compound having at least one urea linkage derived from: (1) at least one polyisocyanate containing at least three isocyanate groups, (2) at least one fluorochemical compound which contains per molecule (a) a single functional group having one or more Zerewitinoff hydrogen atoms and (b) at least two carbon atoms each of which contains at least two fluorine atoms, and (3) water in an amount sufficient to to react with from about 5% to about 60% of the isocyanate groups.Type: GrantFiled: February 2, 1994Date of Patent: May 9, 1995Assignee: E. I. Du Pont de Nemours and CompanyInventor: Jack R. Kirchner
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Patent number: 5410073Abstract: Process comprising (I) reacting (a) at least one polyisocyanate or mixture of polyisocyanates which contains at least three isocyanate groups per molecule with (b) a stoichiometric deficiency of at least one fluorochemical compound which contains per molecule (i) a single functional group having one or more Zerewitinoff hydrogen atoms and (ii) at least two carbon atoms each of which contains at least two fluorine atoms, and (II) thereafter forming one or more urea linkages per mol of said polyisocyanate by reacting the remaining isocyanate groups with water in an amount sufficient to to react with from about 5% to about 60% of the isocyanate groups in said polyisocyanate.Type: GrantFiled: February 4, 1994Date of Patent: April 25, 1995Assignee: E. I. Du Pont de Nemours and CompanyInventor: Jack R. Kirchner
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Patent number: 5371167Abstract: A coating composition is described comprising two components that are reactable with each other to cure the coating. The two components are:(a) a carboxyl-functional polyurethane component that is the reaction product of:(i) a polyisocyanate compound, and(ii) a compound comprising at least one acid group and at least one isocyanate-reactive group,(b) a component comprising at least two groups that are reactive with the epoxy groups on the polyurethane compound.Type: GrantFiled: October 29, 1992Date of Patent: December 6, 1994Assignee: BASF CorporationInventors: John W. Rehfuss, Walter H. Ohrbom
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Patent number: 5348954Abstract: Heterocylic chelating agents and salts thereof of formula I: ##STR1## wherein X represents a bond, O or S, or a group CHR.sup.1 or NR.sup.3 ; R.sup.1 represents H, a group OR.sup.3 or NR.sup.3 R.sup.3, or an alkyl or alkoxyalkyl group optionally substituted by a hydroxyl group or by a group NR.sup.3 R.sup.3 or CON.sup.3 R.sup.3 ;each R.sup.2 represents H, or an alkyl or alkoxy group optionally substituted by a hydroxyl or alkoxy group;each R.sup.3 represents H, an optionally hydroxylated alkyl group or a group CH.sub.2 Y;Y represents a group COZ, CON(OH)R.sup.4, POZ.sub.2 or SO.sub.2 Z;Z represents a group OR.sup.4, NR.sup.4 R.sup.4 or ##STR2## where each R.sup.11 is H, a hydroxyl group or an optionally hydroxylated alkyl group, s is 0, 1 or 2, and W is CHR.sup.11, NR.sup.11 or an oxygen atom; andeach R.sup.4 represents H, or an optionally mono- or poly-hydroxylated alkyl, alkoxyalkyl or polyalkoxyalkyl group;with the provisos that where s is 0 then W is CHR.sup.11 and that where X represents a bond or CHR.Type: GrantFiled: July 24, 1991Date of Patent: September 20, 1994Assignee: Nycomed Imaging ASInventors: Torsten Almen, Arne Berg, Harald Dugstad, Jo Klaveness, Klaus D. Krautwurst, Pal Rongved
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Patent number: 5288811Abstract: Accordingly, novel carbonyl containing compositions are prepared by contacting, in the presence of a free radical initiator, a compound selected from the group consisting of saturated hydrocarbons, substituted saturated hydrocarbons, polymers and mixtures thereof with a carbonyl containing compound or mixtures thereof having the structures: ##STR1## wherein Q.dbd.HOH, MeOH, EtOH, or n-BuOH; n.dbd.0,1,>; and X and Y are independently selected from the group consisting of CH.sub.2, C.dbd.O; W is independently selected from the group consisting of CH.sub.2, C.dbd.O, O, NH, CMe.sub.2, C.dbd.N-alkyl and N-alkyl, wherein alkyl is 1 to 18 carbons; U and V are independently selected from the same groups as W and dependently selected so that U and V taken together are one of 1,2-phenylene, 1,8-naphthalene-diyl, and 1,2-naphthalene-diyl.Type: GrantFiled: November 5, 1992Date of Patent: February 22, 1994Assignee: Exxon Research and Engineering CompanyInventor: Stanley J. Brois
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Patent number: 5221743Abstract: This invention relates to a process for preparing a trimer by the steps of: (a) cyclotrimerizing a polyisocyanate in the presence a polymer-bound trimerization catalyst by contacting said polyisocyanate with said catalyst at a temperature of between about 20.degree. and about 135.degree. C. in a reaction to form an isocyanurate-containing cyclotrimerized isocyanate wherein a portion of the isocyanate moieties comprising said polyisocyanate are converted to isocyanurate groups, and (b) separating said catalyst from said cyclotrimerized isocyanate in order to stop said reaction after a desired amount of isocyanate moieties in said polyisocyanate have been converted to isocyanurate moieties.Type: GrantFiled: March 2, 1992Date of Patent: June 22, 1993Assignee: Olin CorporationInventors: Stephen L. Goldstein, Curtis P. Smith
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Patent number: 5208334Abstract: The present invention is directed to a process for the production of a polyisocyanate composition having an NCO content of 10 to 47% by weight and a viscosity of less than 2,500 mPa.s, wherein the viscosity is determined from a mixture containing less than 1% by weight of the starting organic diisocyanate, and containing isocyanurate and allophanate groups in a molar ratio of monoisocyanurates to monoallophanates of 10:1 to 1:5 bya) catalytically trimerizing a portion of the isocyanate groups of an organic diisocyanate having (cyclo)aliphatically bound isocyanate groupsb) adding 0.01 to 0.Type: GrantFiled: June 9, 1992Date of Patent: May 4, 1993Assignee: Miles Inc.Inventors: Terry A. Potter, William E. Slack
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Patent number: 5142050Abstract: A novel tri-substituted triphenyl isocyanurate is defined by the following formula and useful as a crosslinking agent for resins. ##STR1## wherein X represents --O-- or --COO--; and R represents a hydrogen atom, a straight-chain or branched alkyl group having 1 to 10 carbon atoms, which may be either unsubstituted or substituted with a hydroxyl group, an aryl group or an R'.sub.3 Si group (wherein a plurality of R' groups may be the same or different from each other and each represents a straight-chain or branched alkyl group having 1 to 10 carbon atoms or a phenyl group), except when X is --O-- and R is CH.sub.3.Type: GrantFiled: February 26, 1991Date of Patent: August 25, 1992Assignee: Asahi Denka Kogyo K.K.Inventors: Takeshi Endo, Yoko Nambu
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Patent number: 5134234Abstract: Novel iminosilanes of the general formula Ia or Ib ##STR1## in which R.sub.1 is alkyl, cycloalkyl or aralkyl containing at least on the .alpha.-C atom substituents which are inert towards isocyanate groups, so that no hydrogen atom is present on this C atom, R.sub.2 is as defined for R.sub.1 or is hydrogen, or R.sub.1 and R.sub.2 , together with the common C atom, form a cyclohexylene ring which has on the two C atoms substituents which are inert towards isocyanate groups, R.sub.3 to R.sub.7 are organic radicals, p is 0,1 or 2, m is 1 or 2, n is an integer from 1 to 5 and X is --S-- or --NH--, are described.Type: GrantFiled: August 14, 1990Date of Patent: July 28, 1992Assignee: Ciba-Geigy CorporationInventors: Giovanni Parrinello, Rolf Muhaupt
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Patent number: 5124370Abstract: Disclosed herein are liquid polyisocyanate mixtures containing isocyanurate groups and having an NCO content of 15 to 30% by weight obtainable by partial trimerization of the isocyanate groups of polyisocyanate mixtures of the diphenyl methane series containing 80 to 100% by weight diisocyanatodiphenyl methane isomers and 0 to 20% by weight higher than difunctional polyisocyanates of the diphenyl methane series, 40 to 80% by weight of the diisocyanatodiphenyl methane isomers consisting of 4,4'-diisocyanatodiphenyl methane, 20 to 60% by weight of 2,4'-diisocyanatodiphenyl methane and 0 to 8% by weight of 2,2'-diisocyanatodiphenyl methane and the percentages shown adding up to 100.Type: GrantFiled: August 15, 1991Date of Patent: June 23, 1992Assignee: Bayer AktiengesellschaftInventors: Hans J. Scholl, Rainer Welte, Gunter Gleitsmann
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Patent number: 5101029Abstract: The invention relates to isocyanurate-containing, organosilicon compounds of the general formula ##STR1## in which Q=--(CH.sub.2).sub.3 SiR.sub.2 O(SiR.sub.2 O).sub.n SiR.sub.2 R', n is an integer from 0 to 25 and x is an integer from 0 to 10, and the following holds for the residues R and R', which can be the same or different:R=alkyl, cycloalkyl, aryl, arylalkyl or alkylaryl, andR'=an epoxy-functional residue with 4 to 10 C-atoms or a (meth)acrylate-functional residue with at least 6 C-atoms.Type: GrantFiled: April 5, 1990Date of Patent: March 31, 1992Assignee: Siemens AktiengesellschaftInventors: Bernhard Stapp, Helmut Markert, Lothar Schoen
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Patent number: 5091496Abstract: Herein disclosed are a polyisocyanato-isocyanurate represented by the following formula (I): ##STR1## wherein n is an integer ranging 1 to 5 and R.sub.1, R.sub.2 and R.sub.3, may be the same or different and each represents hydrogen atom or a lower alkyl group and a method for preparing it; and a resin containing an organic polyisocyanate containing not lower than 10% by weight of the polyisocyanato-isocyanurate represented by Formula (I) and a compound having at least two active hydrogen atoms as well as a resin composition for coating materials which comprises the resin.Type: GrantFiled: May 15, 1990Date of Patent: February 25, 1992Assignee: Mitsui Toatsu Chemicals, Inc.Inventors: Ryuji Haseyama, Kazuyuki Kuroda, Kouzou Hayashi, Katsuyoshi Sasagawa, Taisaku Kano, Kiyoshi Shikai
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Patent number: 5086175Abstract: A polyisocyanate having an isocyanurate ring which is obtained by reacting a diisocyanate compound selected from the group consisting of alkylene, cycloalkylene and aralkylene diisocyanates with a monoalcohol of 10 to 50 carbon atoms in the presence of an isocyanuration catalyst, and removing of the unreacted diisocyanate compound from the reaction mixture, can be used in combination with various polyols, in the main, for the preparation of coatings, adhesives, architectural materials, molding materials, etc.Type: GrantFiled: December 18, 1989Date of Patent: February 4, 1992Assignee: Takeda Chemical Industries, Ltd.Inventors: Ichiro Minato, Fumiaki Hirata, Tatsuya Nakashima
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Patent number: 5084459Abstract: There is provided a pest control composition containing a compound represented by the formula, ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are the same or different and independently mean a hydrogen atom, a hydrocarbon group which may be substituted or a heterocyclic group which may be substituted and X means an electron attracting group or a salt thereof.The compounds are of minimal toxicity to man, domestic animals and fish and selectively display remarkable control effect on pests.Type: GrantFiled: October 25, 1989Date of Patent: January 28, 1992Assignee: Takeda Chemical Industries, Ltd.Inventors: Hideki Uneme, Isao Minamida, Tetsuo Okauchi, Noriko Higuchi
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Patent number: 5077291Abstract: Fungicidal trisubstituted 1,3,5-triazine-2,4,6-triones of the formula ##STR1## in which R.sup.1, R.sup.2 and R.sup.3 are different radicals andR.sup.1 represents an optionally substituted aliphatic or cycloaliphatic radical,R.sup.2 represents an optionally substituted aliphatic radical andR.sup.3 represents an optionally substituted aralkyl radical.Type: GrantFiled: September 20, 1990Date of Patent: December 31, 1991Assignee: Bayer AktiengesellschaftInventors: Hermann Uhr, Alfons Adler, Arno Widdig, Hermann Hagemann, Gerd Hanssler
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Patent number: 5070137Abstract: Disclosed is a process for preparing isocyanurate-type polyisocyanates characterized by reacting an aliphatic or alicyclic diisocyanate compound comprising hexamethylene diisocyanate as a major component in the presence of an isocyanuration catalyst represented by general formula [I], ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 independently represent a hydrocarbon group containing 1 to 20 carbon atoms, or a hydrocarbon group containing one or more hetero atoms; at least two of R.sup.1, R.sup.2 and R.sup.3 may be linked to each other; R.sup.4 indicates a hydrogen atom or a hydrocarbon group containing 1 to 20 carbon atoms; and R.sup.5, R.sup.6 and R.sup.7 independently represent a hydrocarbon group containing 1 to 20 carbon atoms. Diol-modified isocyanurate-type polyisocyanates can be prepared additionally using a hydrocarbon diol in the process.Type: GrantFiled: July 21, 1989Date of Patent: December 3, 1991Assignee: Dainippon Ink and Chemicals, Inc.Inventors: Mitsuo Kase, Yoichi Kawasaki, Noboru Okoshi
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Patent number: 5068402Abstract: The present invention is directed to polyisocyanates containing a stabilizing amount of a carboxylic acid corresponding to the formula ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 represent hydrogen or C.sub.1 -C.sub.5 -alkyl andX and Y represent hydrogen, chlorine or methyl, with the proviso that when X=Cl, Y=H or CH.sub.3 and when Y=Cl, X=H or CH.sub.3.The present invention is also directed to the use of the stabilized polyisocyanates as binders for coating compositions, sealing compounds and adhesives.Type: GrantFiled: July 20, 1990Date of Patent: November 26, 1991Assignee: Bayer AktiengesellschaftInventors: Josef Pedain, Lothar Kahl, Karl-Arnold Weber
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Patent number: 5064960Abstract: The present invention relates to a process for the preparation of a composition containing an isocyanurate polyisocyanate dissolved in a solvent inert to isocyanate groups bya) reacting 2.5 to 7% of the isocyanate groups of a starting diisocyanate based on 2,4-diisocyanatotoluene or a mixture of 2,4-diisocyanatotoluene and 2,6-diisocyanatotoluene with a monohydric alcohol corresponding to the formula ##STR1## wherein R.sub.1 is an aliphatic or cycloaliphatic C.sub.6-18 hydrocarbon radical which may be olefinically unsaturated,R.sub.Type: GrantFiled: August 22, 1990Date of Patent: November 12, 1991Assignee: Bayer AktiengesellschaftInventors: Josef Pedain, Dieter Margotte
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Patent number: 5057564Abstract: The present invention relates to novel polymers which are adducts of an unsaturated hydrocarbon, wherein the novel polymers are produced by contacting cyclic carbonyl monomers with an unsaturated hydrocarbon to form novel cyclic carbonyl polymers having an Mn of about 500 to about 10.sup.7.Type: GrantFiled: July 23, 1990Date of Patent: October 15, 1991Assignee: Exxon Research and Engineering CompanyInventor: Stanley J. Brois
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Patent number: 5036151Abstract: The invention relates to trimerized aliphatic isocyanates produced by special processes, to their use as mold release agents in thermoplastic aromatic polycarbonates and/or thermoplastic aromatic polyestercarbonates and/or thermoplastic aromatic polyesters, optionally using standard additives, to the readily demoldable molding compounds thus obtained on the basis of the thermoplastic polycarbonates, polyestercarbonates and/or polyesters and to processes for the production of these readily demoldable molding compounds.Type: GrantFiled: March 14, 1990Date of Patent: July 30, 1991Assignee: Bayer AktiengesellschaftInventors: Holger Ohst, Helmut-Martin Meier, Klaus Kircher
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Patent number: 4992548Abstract: The present invention is directed to catalysts obtained by mixing alkali fluorides with quaternary ammonium or phosphonium salts.The present invention is also directed to a process for the production of these catalysts by stirring alkali fluorides and quaternary ammonium or phosphonium salts in alcohol, separating any deposits formed, removing the alcohol and converting the catalyst into useful form by dilution in solvents or absorption onto support materials.Finally, the present invention is directed to the use of the new catalysts as trimerization catalysts for the production of polyisocyanates containing isocyanurate groups.Type: GrantFiled: August 8, 1989Date of Patent: February 12, 1991Assignee: Bayer AktiengesellschaftInventors: Hans-Joachim Scholl, Josef Pedain
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Patent number: 4990578Abstract: Polyol-polycarbonates having a molecular weight comprising within the range from 750 to 2500, endowed with good rheologic characteristics and having a low glass transition temperature (Tg), are obtained by means of the reaction, under transesterification conditions, of(a) an organic carbonate;(b) a saturated alifatic .alpha.,.omega.-glycol; and(c) tris-(hydroxyethyl)-isocyanurate.These polyol-polycarbonates are useful as bases for paints in combination with polyisocyanates.Furthermore, the polyol-polycarbonates can be reacted with bicarboxy acids, or with cyclic anhydrides in order to yield the corresponding products with carboxy end groups which are useful as bases for paints in combination with melaminic or epoxy resins.Type: GrantFiled: June 19, 1989Date of Patent: February 5, 1991Assignee: Enichem Synthesis S.p.A.Inventors: Alberto Greco, Gabriele Lugli
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Patent number: 4977262Abstract: Triazine derivatives of the formula:[(NCO).sub.3 R.sub.1 R.sub.2 R.sub.3 ].sub.n (I)are described, wherein:R.sub.1, R.sub.2 and R.sub.3 are the same or different and represent a ring perhalogenated benzyl and/or xylylidene, and which are bonded to the triazine ring on the N atoms when the ring is saturated, or on the O atoms when the ring is unsaturated, and n is an integer between 1 and 5. The invention is further directed to flame-retardant compositions and to plastic compositions which comprise a compound of formula I.Type: GrantFiled: August 25, 1988Date of Patent: December 11, 1990Assignee: Bromine Compounds LimitedInventors: Andrei Herzlinger, Leonard M. Shorr, Salomone Antebi, Theodor Morel-Fisher, Lev Utevskii, Yaakov Scheinert
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Patent number: 4927824Abstract: Fungicidal trisubstituted 1,3,5-triazine-2,4,6-triones of the formula ##STR1## in which R.sup.1 stands for an optionally substituted aliphatic, aromatic or cycloaliphatic radical,R.sup.2 stands for an optionally substituted aliphatic radical andR.sup.3 stands for optionally substituted, heterocyclically fused phenyl.Type: GrantFiled: March 17, 1989Date of Patent: May 22, 1990Assignee: Bayer AktiengesellschaftInventors: Alfons Adler, Arno Widdig, Engelbert Kuhle, Wolfgang Fuhrer, Hermann Hagemann, Gerd Hanssler
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Patent number: 4925938Abstract: Novel hindered hydroxyphenyl alkyl isocyanurates are provided which are useful as stabilizers of resins made from at least one ethylenically unsaturated monomer.Type: GrantFiled: December 20, 1988Date of Patent: May 15, 1990Assignee: ICI Americas Inc.Inventors: James P. Neilan, John F. Stephen
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Patent number: 4918189Abstract: Compounds of the formulae ##STR1## are useful stabilizers of organic polymeric materials which are subject to thermal, oxidative and/or actinic degradation.Type: GrantFiled: March 16, 1988Date of Patent: April 17, 1990Assignee: Ciba-Geigy CorporationInventors: Ramanathan Ravichandran, Raymond Seltzer
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Patent number: 4898979Abstract: The novel process ##STR1## gives the end products, known as animal growth-promoters and coccidiostatics. Intermediates II are new.Type: GrantFiled: September 8, 1987Date of Patent: February 6, 1990Assignee: Bayer AktiengesellschaftInventors: Bernd Gallenkamp, Andreas Gunther, Karl-Heinrich Mohrmann, Thomas Schmidt
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Patent number: 4880927Abstract: A method for preparing a cyclic isocyanuric ester having organosilicon groups which comprises thermally treating an isocyanic ester for addition reaction in the presence of an alkali metal hydroxide or alkoxide. By the above reaction, a cyclic trimer of the starting isocyanic ester can be selectively obtained. The catalyst can be readily removed from the reaction system.Type: GrantFiled: December 3, 1987Date of Patent: November 14, 1989Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Toshio Takago, Yasushi Yamamoto
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Patent number: 4876253Abstract: Fungicidally active trisubstituted 1,3,5-triazine-2,4,6-trione of the formula ##STR1## in which Ar represents optionally substituted aryl,R.sup.1 represents an optionally substituted aliphatic or cycloaliphatic radical andR.sup.2 represents an optionally substituted aliphatic radical,with the provisos that (a) when Ar is unsubstituted phenyl R.sup.1 and R.sup.2 are not alkyl or alkenyl, and (b) when Ar is phenyl substituted by 1 or 2 halogen, lower alkyl, nitro, lower alkoxycarbonyloxy or lower monoalkylcarbonyloxy radicals R.sup.1 and R.sup.2 are not identical alkyl radicals.Type: GrantFiled: April 18, 1988Date of Patent: October 24, 1989Assignee: Bayer AktiengesellschaftInventors: Wolfgand Fuhrer, Engelbert Kuhle, Alfons Adler, Gerd Hanssler
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Patent number: 4874859Abstract: The subject of the invention is new derivatives (I) and (II) of cyanuric acid which have the formula, respectively, ##STR1## in which: R' and R" are --CH.sub.2 --CH(OH)--CH.sub.2 OH andR is an alkyl containing a polymerizable ethylenic functional group such as an acrylic, methacrylic or allyl group.The derivatives (I) and (II) according to the invention may be employed as crosslinking agents in polymers.Type: GrantFiled: December 11, 1987Date of Patent: October 17, 1989Assignee: Societe Chimique des CharbonnagesInventors: Remy Teissier, Serge Clamens
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Patent number: RE35004Abstract: The present invention relates to novel polymers which are adducts of an unsaturated hydrocarbon, wherein the novel polymers are produced by contacting cyclic carbonyl monomers with an unsaturated hydrocarbon to form novel cyclic carbonyl polymers having an Mn of about 500 to about 10.sup.7.Type: GrantFiled: July 15, 1993Date of Patent: July 25, 1995Assignee: Exxon Research & Engineering Co.Inventor: Stanley J. Brois