Boron Containing Patents (Class 556/172)
  • Patent number: 8580991
    Abstract: To provide a process for increasing the proportion of an optical isomer of not only a compound having a closed ring but also a compound not having a closed ring when an optical isomer mixture of a compound having both a formyl group and a double bond capable of causing a carbonyl-ene ring closing reaction in the same molecule is subjected to a ring closing reaction. A process for increasing the proportion of an optical isomer characterized by subjecting an optical isomer mixture of a compound having both a formyl group and a double bond capable of causing a carbonyl-ene ring closing reaction in the same molecule to a ring closing reaction in the presence of a predetermined aluminum complex represented by the general formula: [Al2(L1)n(L2)3-n]m.
    Type: Grant
    Filed: December 17, 2009
    Date of Patent: November 12, 2013
    Assignee: Takasago International Corporation
    Inventors: Hisanori Itoh, Yoji Hori
  • Patent number: 8329931
    Abstract: A catalyst for obtaining isopulegol of high diastereoselectivity by highly selective cyclization reaction of citronellal is provided. The present invention relates to an organoaluminum compound obtained by reacting at least one organoaluminumoxy compound selected from the group consisting of chain aluminoxanes, cyclic aluminoxanes and bis(dialkylaluminumoxy)alkylboranes, with at least one hydroxy compound selected from the group consisting of diarylphenols, bis(diarylphenol) compounds, biaryldiols, dimethanols and silanols.
    Type: Grant
    Filed: May 25, 2011
    Date of Patent: December 11, 2012
    Assignee: Takasago International Corporation
    Inventors: Hisanori Itoh, Yoji Hori
  • Patent number: 8299284
    Abstract: A compound having the formula (I) where each of R1, R2, R3 and R4 is independently C6-C18 aryl-, C5-C8 cycloalkyl-, C6-C18 aryl having at least one C1-C20 alkyl substituent, C5-C8 cycloalkyl having at least one C1-C20 alkyl substituent, C4-C20 branched alkyl-, C16-C20 linear alkyl-, RO—, —NRR?, —PRR?, —SR, fluoro substituted forms thereof, and perfluoro forms thereof: and R5 is C6-C18 aryl-, C5-C8 cycloalkyl-, C6-C18 aryl having at least one C1-C20 alkyl substituent, C5-C8 cycloalkyl having at least one C1-C20 alkyl substituent, C3-C20 branched alkyl-, C2-C30 linear alkyl-, fluoro substituted forms thereof, and perfluoro forms thereof; where R and R? are each independently C6-C18aryl-, C5-C8 cycloalkyl-, C6-C18 aryl having at least one C1-C20 alkyl substituent, C5-C8 cycloalkyl having at least one C1-C20 alkyl substituent, C4-C20 branched alkyl-, C2-C30 linear alkyl-, fluoro substituted forms thereof, and perfluoro forms thereof; A is N, P, S, or O with the proviso that when A is S, R2 is a nullify; and M is
    Type: Grant
    Filed: November 14, 2007
    Date of Patent: October 30, 2012
    Assignee: Stephan Consulting Corporation
    Inventors: Douglas W. Stephan, Preston A. Chase, Gregory C. Welch
  • Patent number: 8262867
    Abstract: Compounds, synthesis of, and methods for synthesizing metal alkoxide derivatives; and metal alkoxide derivatives for use as flame retardants are described. Group 13 metal alkoxides having flame retardant properties may be prepared by reacting the periodic table group 13 metalloid or metal trihydroxide with an alcohol.
    Type: Grant
    Filed: March 25, 2010
    Date of Patent: September 11, 2012
    Assignee: Auterra, Inc.
    Inventors: Partha S. Dutta, Sarah L. Lewis, Kyle E. Litz, Mark N. Rossetti, Tracey M. Jordan, Jennifer L. Vreeland
  • Publication number: 20120156118
    Abstract: Complex hydrides based on Al(BH4)3 are stabilized by the presence of one or more additional metal elements or organic adducts to provide high capacity hydrogen storage material.
    Type: Application
    Filed: July 9, 2010
    Publication date: June 21, 2012
    Applicants: TOYOTA MOTOR ENGINEERING & MANUFAC. NA (TEMA), SAVANNAH RIVER NUCLEAR SOLUTIONS, LLC (SRNS)
    Inventors: Ragaiy Zidan, Rana F. Mohtadi, Christopher Fewox, Premkumar Sivasubramanian
  • Publication number: 20110295031
    Abstract: A catalyst for obtaining isopulegol of high diastereoselectivity by highly selective cyclization reaction of citronellal is provided. The present invention relates to an organoaluminum compound obtained by reacting at least one organoaluminumoxy compound selected from the group consisting of chain aluminoxanes, cyclic aluminoxanes and bis(dialkylaluminumoxy)alkylboranes, with at least one hydroxy compound selected from the group consisting of diarylphenols, bis(diarylphenol) compounds, biaryldiols, dimethanols and silanols.
    Type: Application
    Filed: May 25, 2011
    Publication date: December 1, 2011
    Applicant: TAKASAGO INTERNATIONAL CORPORATION
    Inventors: Hisanori ITOH, Yoji HORI
  • Publication number: 20110184133
    Abstract: The present invention relates to the covalent anchorage of non-coordinating anions on mineral supports to prepare activating supports for the polymerisation of ethylene and alpha-olefins and wherein the activating species is provided by a phosphonium-borate or phosphonium alane pair. The invention also discloses the concomitant covalent anchorage of zwitterionic systems containing both the non-coordinating anion and the counter cation parts of the activating supports.
    Type: Application
    Filed: December 11, 2008
    Publication date: July 28, 2011
    Applicant: TOTAL PETROCHEMICALS RESEARCH FELUY
    Inventors: Abdelkrim El Kadib, Karine Molvinger, Daniel Brunel, Floran Prades, Sabine Sirol
  • Patent number: 7683197
    Abstract: The invention relates to a method for the regeneration of a reactor and the use of said method for the improved performance of production processes for desired products.
    Type: Grant
    Filed: June 27, 2003
    Date of Patent: March 23, 2010
    Assignee: Max-Planck-Gesellschaft zur Forderung der Wissenschaften EV
    Inventors: Grigorios Kolios, Thomas Jäschke, Martin Jansen
  • Publication number: 20090093649
    Abstract: The present invention relates to a process for the preparation of a compound of the formula B having the following steps: provision of a compound of the formula A intramolecular reaction of the compound of the formula A in the presence of an aluminium siloxide of the formula (Ia) or (Ib).
    Type: Application
    Filed: August 17, 2006
    Publication date: April 9, 2009
    Applicant: SYMRISE GmbH & Co. KG
    Inventor: Markus Nobis
  • Patent number: 6815119
    Abstract: The present invention relates to tetrakisfluoroalkylborate salts, methods of producing same, and their use in electrolytes, batteries, capacitors, supercapacitors, and galvanic cells.
    Type: Grant
    Filed: November 9, 2001
    Date of Patent: November 9, 2004
    Assignee: Merck Patent GmbH
    Inventors: Michael Schmidt, Andreas Kuehner, Helge Willner, Eduard Bernhardt
  • Patent number: 6524985
    Abstract: Disclosed is a catalyst component for the polymerization of olefins, which is a compound having the following structure: wherein R1 is a hydrocarbon radical having 1 to 10 carbon atoms or a halogen-containing hydrocarbon radical having 1 to 10 carbon atoms, and R2s are each a hydrogen atom, a halogen atom, a siloxy group, a lower-alkyl-substituted siloxy group or a hydrocarbon radical having 1 to 10 carbon atoms, or which is a reaction product of the following sub-components (i) and (ii): sub-component (i) which is a compound having the formula R1—B—(OH)2 in which R1 is a hydrocarbon radical having 1 to 10 carbon atoms or a halogen-containing hydrocarbon radical having 1 to 10 carbon atoms; and sub-component (ii) which is an organoaluminum compound.
    Type: Grant
    Filed: July 2, 1997
    Date of Patent: February 25, 2003
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Toshihiko Sugano, Tomohiko Takahama
  • Publication number: 20020198394
    Abstract: The present invention provides weakly coordinating anion salts comprising a reactive cation and uses thereof. In particular, the present invention provides compounds of the formula MxQy and uses thereof, where M, Q, x, and y are those defined herein.
    Type: Application
    Filed: July 25, 2002
    Publication date: December 26, 2002
    Applicant: Colorado State University Research Foundation (CSURF)
    Inventors: Steven H. Strauss, Sergei V. Ivanov
  • Patent number: 6344529
    Abstract: Disclosed are compounds useful as catalyst activators for olefin polymerization, comprising structures of the following formulae: wherein: L+ is a protonated derivative of an element of Group 15 of the Periodic Table of the Elements, additionally bearing two hydrocarbyl substituents of from 1 to 50 carbons each, or a positively charged derivative of an element of Group 14 of the Periodic Table of the Elements, said Group 14 element being substituted with three hydrocarbyl substituents of from 1 to 50 carbons each; R1 is a divalent linking group of from 1 to 40 non-hydrogen atoms; R2 independently each occurrence is a ligand group of from 1 to 50 nonhydrogen atoms with the proviso that in a sufficient number of occurrences to balance charge in the compound, R2 is L+—R1—; M1 is boron, aluminum or gallium; Arf independently each occurrence is a monovalent, fluorinated organic group containing from 6 to 100 non-hydrogen atoms; Y is a Group 15 element; and Z is a Grou
    Type: Grant
    Filed: December 6, 1999
    Date of Patent: February 5, 2002
    Assignee: The Dow Chemical Company
    Inventors: Edmund M. Carnahan, Grant B. Jacobsen, Jerzy Klosin, Peter N. Nickias, David J. Schwartz, David R. Neithamer
  • Patent number: 6281154
    Abstract: Novel compounds having one group 13 element bound with one mono- or di-anionic tridentate ligand, a method of preparation thereof and use thereof as a copolymerization catalyst.
    Type: Grant
    Filed: October 28, 1998
    Date of Patent: August 28, 2001
    Assignees: Societe de Conseils de Recherches et d'Applications Scientifiques (S.C.R.A.S), Centre National de la Recherche Scientifique (CNRS)
    Inventors: Guy Bertrand, Jean Bernard Cazaux, Norbert Emig, Régis Reau
  • Patent number: 6248914
    Abstract: A compound useful as a catalyst or as a cocatalyst in combination with a Group 3-10 metal for addition polymerizations corresponding to the formula: [M′Q12L′I′]+(Arf3MQ2)— wherein: M′ is aluminum, gallium, or indium.
    Type: Grant
    Filed: April 9, 1999
    Date of Patent: June 19, 2001
    Assignee: The Dow Chemical Company
    Inventor: Jerzy Klosin
  • Patent number: 6214760
    Abstract: A composition comprising a mixture of aluminum containing Lewis acids said mixture corresponding to the formula: (Arf3Al)(AlQ13)y(—AlQ2—O—)z where; Arf is a fluorinated aromatic hydrocarbyl moiety of from 6 to 30 carbon atoms; Q1 is C1-20 alkyl; Q2 is C1-20 hydrocarbyl, optionally substituted with one or more groups which independently each occurrence are hydrocarbyloxy, hydrocarbylsiloxy, hydrocarbylsilylamino, di(hydrocarbylsilyl)amino, hydrocarbylamino, di(hydrocarbyl)amino, di(hydrocarbyl)phosphino, or hydrocarbylsulfido groups having from 1 to 20 atoms other than hydrogen, or, optionally, two or more Q2 groups may be covalently linked with each other to form one or more fused rings or ring systems; y is a number from 0 to 1.0; z is a number from 0.1 to 20; and the moieties (Arf3Al)(AlQ13)y may exist as discrete entities or dynamic exchange products.
    Type: Grant
    Filed: June 11, 1999
    Date of Patent: April 10, 2001
    Assignee: The Dow Chemical Company
    Inventors: Eugene Y. Chen, William J. Kruper, Jr., Gordon R. Roof
  • Patent number: 6057466
    Abstract: Compounds, for initiating the polymerization of ethylenically unsaturated compounds, having the formula ##STR1## where E is nitrogen, phosphorus, arsenic or antimony,X is oxygen, NR.sup.1 or sulphur,L is R.sup.8 R.sup.9 R.sup.10 E.sup.1 (Y).sub.n, alkyl ether, ester, alkyl and aryl nitrites, pyridine, piperidine, sulphoxides, sulphones, sulphimides, sulphodiimides or sulphur ylides, and R.sup.1 -R.sup.5 are as defined in the specification.
    Type: Grant
    Filed: September 29, 1997
    Date of Patent: May 2, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Karl-Heinz Aleksander Ostoja Starzewski, Uwe Denninger
  • Patent number: 5777120
    Abstract: Aluminum amidinate compounds of the formula ##STR1## wherein R.sup., R.sup.2, and R.sup.3 are selected from the group consisting of C.sub.1 to C.sub.50 alkyl, aryl, and silyl groups, X is an anionic ligand, preferably a hydrocarbyl, n=0 or 1, L, if present, is a labile Lewis base ligand, preferably having an oxygen, nitrogen, or phosphorus atom donating a lone pair of electrons to the aluminum center, and A.sup.- is an anion which balances the charge of the aluminum cation and only weakly if at all coordinates to the aluminum center and preferably contains boron, are disclosed. These compounds are useful as olefin polymerization catalysts without the need for cocatalysts or transition metal species.
    Type: Grant
    Filed: March 14, 1997
    Date of Patent: July 7, 1998
    Assignee: University of Iowa Research Foundation
    Inventors: Richard F. Jordan, Martyn P. Coles
  • Patent number: 5648440
    Abstract: Disclosed is a catalyst component for the polymerization of olefins, which is a compound having the following structure: ##STR1## wherein R.sup.1 is a hydrocarbon radical having 1 to 10 carbon atoms or a halogen-containing hydrocarbon radical having 1 to 10 carbon atoms, and R.sup.2 s are each a hydrogen atom, a halogen atom, a siloxy group, a lower-alkyl-substituted siloxy group or a hydrocarbon radical having 1 to 10 carbon atoms, or which is a reaction product of the following sub-components (i) and (ii):sub-component (i) which is a compound having the formulaR.sup.1 --B--(OH).sub.2in which R.sup.1 is a hydrocarbon radical having 1 to 10 carbon atoms or a halogen-containing hydrocarbon radical having 1 to 10 carbon atoms; andsub-component (ii) which is an organoaluminum compound.
    Type: Grant
    Filed: March 1, 1995
    Date of Patent: July 15, 1997
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Toshihiko Sugano, Tomohiko Takahama
  • Patent number: 5414180
    Abstract: Organic aluminoxy compounds are prepared by reacting an organo boronic acid with a trihydrocarbyl aluminum compound. The resulting products are suitable as components for catalyst systems for the polymerization of olefins.
    Type: Grant
    Filed: July 14, 1993
    Date of Patent: May 9, 1995
    Assignee: Phillips Petroleum Company
    Inventors: Rolf L. Geerts, Tara G. Hill
  • Patent number: 5154912
    Abstract: The peroxides which include the O.sup.17 isotope, especially the hydrogen peroxides and peroxides and hydroperoxides prepared therefrom, are well adapted as nonradioactive labeled compounds for use in the medicinal and biological arts.
    Type: Grant
    Filed: September 20, 1990
    Date of Patent: October 13, 1992
    Assignee: Atochem
    Inventors: Jean-Pierre Schirmann, Jean-Jacques Barieux
  • Patent number: 4778612
    Abstract: Compounds of formula I ##STR1## wherein R and R.sup.1 are identical or different and are a radical of the formula ##STR2## where R.sup.2, R.sup.3 and R.sup.4 are each independently C.sub.1 -C.sub.18 alkyl and together contain not more than 22 carbon atoms, and R.sup.3 and R.sup.4 are also hydrogen, or wherein R and R.sup.1 are C.sub.5 -C.sub.6 cycloalkyl, unsubstituted or C.sub.1 -C.sub.4 alkyl-substituted phenyl, or naphthyl, C.sub.7 -C.sub.14 aralyl, furfuryl or thienyl, and wherein Y is --S--, --O--, --NH--, --N(C.sub.1 -C.sub.12 alkyl)--, --CH.sub.2 --, --CH(C.sub.1 -C.sub.12 alkyl)-- or --C(C.sub.1 -C.sub.12 alkyl).sub.2 -- and X.sup..sym. is 1 equivalent of a metallic cation selected from the group consisting of Li.sup..sym., Na.sup..sym., K.sup..sym., Mg.sup.2.sym., Ca.sup.2.sym., Ba.sup.2.sym., Zn.sup.2.sym., Mn.sup.2.sym., Ni.sup.2.sym., Fe.sup.3.sym., Fe.sup.2.sym., Co.sup.2.sym., Cu.sup.2.sym., Al.sup.3.sym., Cr.sup.3.sym., VO.sup. 3.sym., ZrO.sup.2.sym., MoO.sub.2.sup.2.sym. and TiO.sup.2.sym.
    Type: Grant
    Filed: October 22, 1986
    Date of Patent: October 18, 1988
    Assignee: Ciba-Geigy Corporation
    Inventors: Hermann O. Wirth, Rolf Schumacher, Klaus Muller