Patents Examined by J. Pasterczyk
  • Patent number: 6969694
    Abstract: Chiral ligands and transition metal complexes based on such chiral ligands useful in asymmetric catalysis are disclosed. The chiral ligands include (R,S,S,R)-DIOP*. The ruthenium complex reduces enamide to the corresponding amine with up to 99% enantioselectivity. The transition metal complexes of the chiral ligands are useful in asymmetric reactions such as asymmetric hydrogenation, hydride transfer, hydrosilylation, hydroboration, hydrovinylation, hydroformylation, hydrocarboxylation, isomerization, allylic alkylation, cyclopropanation, Diels-Alder reaction, Heck reaction, isomerization, Aldol reaction, Michael addition and epoxidation reactions. The chiral ligands are of the formula the identittes of the R, R? and Y groups are defined herein.
    Type: Grant
    Filed: February 10, 2004
    Date of Patent: November 29, 2005
    Assignee: The Penn State Research Foundation
    Inventor: Xumu Zhang
  • Patent number: 6960549
    Abstract: The present invention relates to the use of at least one acid and at least one base and/or at least one reductant and at least one oxidant that when used with a polymerization catalyst in a polymerization process results in the controllable generation of a catalyst inhibitor that renders the polymerization catalyst substantially or completely inactive.
    Type: Grant
    Filed: August 17, 2001
    Date of Patent: November 1, 2005
    Assignee: Univation Technologies, LLC
    Inventors: Timothy T. Wenzel, Dick A. Nagaki, Simon Mawson, David James Schreck, Thomas H. Peterson
  • Patent number: 6958307
    Abstract: The present invention relates to a composition including an organic phosphorous-containing group bonded via an oxygen atom to a metal oxide of at least one element M. Generally, the composition is essentially amorphous, and includes an essentially monomolecular layer of an organic group directly bonded to the phosphorous atom. In addition, the composition is generally essentially free of any phosphate, phosphonate or phosphinate phase of the element M. Moreover, the composition has a ratio of the element M to phosphorous of about 15:1-200:1.
    Type: Grant
    Filed: August 16, 2001
    Date of Patent: October 25, 2005
    Assignee: Institut Francais Du Petrole
    Inventors: Alain Forestiere, P-Hubert Mutin, André Vioux, Gilles Guerrero
  • Patent number: 6951831
    Abstract: A catalyst composition for use in dimerizing, co-dimerizing or oligomerizing olefins comprises: at least one zero-valent nickel complex; at least one acid with formula H+X? in which X? represents an anion; and at least one ionic liquid with general formula Q+ A? in which A? is an anion identical to or different from X?. The composition can also comprise a nitrogen-containing ligand. It can be used in dimerizing, co-dimerizing, oligomerizing and in polymerizing olefins.
    Type: Grant
    Filed: February 3, 2003
    Date of Patent: October 4, 2005
    Assignee: Institut Francais du Petrole
    Inventors: Vincent Lecocq, Hélène Olivier-Bourbigou
  • Patent number: 6949489
    Abstract: The present invention relates to a solid supported catalyst usable for the polymerization of conjugated dienes, to a process for the preparation of said catalyst and to a process for the polymerization of conjugated dienes using said catalyst. The solid supported catalyst according to the invention comprises the reaction product of a) a complex represented by formula M(Ar)(AlX4)3, where M is a rare earth metal selected from among the metals having an atomic number of from 57 to 71, inclusive in Mendeleyev's periodic table of elements, Ar is an aromatic hydrocarbon solvent, Al is aluminum and X is selected from the group consisting of fluorine, chlorine, bromine and iodine, and b) a solid support comprising at least one inorganic metal oxide compound.
    Type: Grant
    Filed: October 11, 2000
    Date of Patent: September 27, 2005
    Assignee: Michelin Recherche et Technique S.A.
    Inventors: Fanny Barbotin, Christophe Boisson, Roger Spitz
  • Patent number: 6946532
    Abstract: Catalyst compositions useful for the polymerization of olefins are disclosed. These compositions comprise a Group 8-10 metal complex comprising a bidentate or variable denticity ligand comprising one or two nitrogen donor atom or atoms independently substituted by an aromatic or heteroaromatic ring(s), wherein the ortho positions of said ring(s) are substituted by aryl or heteroaryl groups. Also disclosed are processes for the polymerization of olefins using the catalyst compositions.
    Type: Grant
    Filed: November 18, 2004
    Date of Patent: September 20, 2005
    Assignee: Eastman Chemical Company
    Inventors: Leslie Shane Moody, Peter Borden Mackenzie, Christopher Moore Killian, Gino Georges Lavoie, James Allen Ponasik, Jr., Thomas William Smith, Jason Clay Pearson, Anthony Gerard Martin Barrett
  • Patent number: 6933258
    Abstract: The present invention relates to a catalyst composition and a method for making the catalyst composition which comprises a polymerization catalyst and at least one gelling agent. The invention is also directed to the use of the catalyst composition in the polymerization of olefin(s). In particular, the polymerization catalyst system is supported on a carrier.
    Type: Grant
    Filed: November 15, 2001
    Date of Patent: August 23, 2005
    Assignee: Univation Technologies, L.L.C.
    Inventors: Agapios Kyriacos Agapiou, Chi-I Kuo, David M. Glowczwski, Steven K. Ackerman
  • Patent number: 6924248
    Abstract: Catalyst system for olefin polymerization comprising A) at least one calcined hydrotalcite, B) at least one organic transition metal compound, C) optionally one or more cation-forming compounds and D) at least one organic magnesium compound.
    Type: Grant
    Filed: June 13, 2001
    Date of Patent: August 2, 2005
    Assignee: Basell Polyolefine GmbH
    Inventors: Shahram Mihan, Markus Schopf, Joachim Wulff-Döring, Wolfgang Bidell, Volker Fraaije, Nicola Paczkowski, Markus Oberhoff
  • Patent number: 6921734
    Abstract: The present invention relates to a titanocene complex and a catalyst comprising the same and an alkylaluminoxane for preparing syndiotactic polystyrene. The catalyst is applicable to the industrial production of the syndiotactic polymerization of styrene. The titanocene complex has a general formula of R1Ti(OR2R3)3, where R1 is Cp or Cp containing 1-5 C1-4 alkyls, R2 is an aryl containing 6-12 carbon atoms, R3 is a halogen, OR2R3 is a halogenated aryloxy ligand.
    Type: Grant
    Filed: April 9, 2003
    Date of Patent: July 26, 2005
    Assignees: China Petroleum & Chemical Corporation, Shanghai Research Institute of Petrochemical Tech.
    Inventors: Zhigang Shen, Shang'an Lin, Wenle Zhou, Fangming Zhu, Huiming Zhang, Zaiku Xie
  • Patent number: 6921736
    Abstract: A heterogeneous catalytic system for RCM is recyclable, shows reactivity, tolerates functional groups and performs with dienes and highly hindered substrates.
    Type: Grant
    Filed: July 17, 2001
    Date of Patent: July 26, 2005
    Assignee: University of New Orleans Research and Technology Foundation, Inc.
    Inventors: Steven P. Nolan, Laleh Jafarpour
  • Patent number: 6919467
    Abstract: The present invention provides a catalyst precursor and catalyst system comprising the precursor, an embodiment of the precursor is selected from the following structures: wherein T is a bridging group; M is selected from Groups 3 to 7 atoms, and the Lanthanide series of atoms the Periodic Table of the Elements; Z is a coordination ligand; each L is a monovalent, bivalent, or trivalent anionic ligand; X and Y are each independently selected from nitrogen, oxygen, sulfur, and phosphorus; R is a non-bulky substituent that has relatively low steric hindrance with respect to X; and R? is a bulky substituent that is sterically hindering with respect to Y.
    Type: Grant
    Filed: December 18, 2001
    Date of Patent: July 19, 2005
    Assignee: Univation Technologies, LLC
    Inventor: Rex Eugene Murray
  • Patent number: 6919291
    Abstract: Zwitterionic compositions of matter comprising cations [Ct]+ and anions connected together with substantially rigid fluorinated linking groups are described. These zwitterionic compositions serve as cocatalysts. They activate olefin polymerization catalysts, and can dissolve in aliphatic solvents. Synthesis and polymerization are illustrated.
    Type: Grant
    Filed: October 31, 2001
    Date of Patent: July 19, 2005
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventor: George Rodriguez
  • Patent number: 6919413
    Abstract: The present invention provides a catalyst precursor and catalyst system comprising the precursor, an embodiment of the precursor is selected from the following structures: wherein T is a bridging group; M is selected from Groups 3 to 7 atoms; Z is a coordination ligand; each L is a monovalent, bivalent, or trivalent anionic ligand; X and Y are each independently selected from nitrogen, oxygen, sulfur, and phosphorus; R is a non-bulky substituent that has relatively low steric hindrance with respect to X; and R? is a bulky substituent that is sterically hindering with respect to Y.
    Type: Grant
    Filed: November 1, 2002
    Date of Patent: July 19, 2005
    Assignee: Univation Technologies, LLC
    Inventor: Rex Eugene Murray
  • Patent number: 6916759
    Abstract: A method of making an olefin polymerization catalyst is disclosed. The method involves contacting a magnesium halide compound with an alcohol, adding a mineral oil to the product, reacting this product with a hydroxylated ester and an alkoxy silane, then adding a titanium compound and a second silicon compound. The titanium compound is preferably an alkoxy halide, and the second silicon compound is preferably a silicon halide.
    Type: Grant
    Filed: November 9, 2001
    Date of Patent: July 12, 2005
    Assignee: Samsung Atofina Co., Ltd.
    Inventors: Chun-Byung Yang, Won-Young Kim, Weon Lee
  • Patent number: 6914028
    Abstract: A method of making an olefin polymerization catalyst is disclosed. The method first combines a magnesium halide with an alcohol, then adds a hydroxylated ester and a silicon alkoxide, followed by a titanium compound and another silicon compound to result in a solid composition. This solid composition is then reacted with an aluminum compound and an alkyl halide, followed by reaction with a second titanium compound which may be the same as or different from the first. The second silicon compound is preferably a silicon halide, and the titanium compounds are preferably halides and alkoxides. The aluminum compounds preferably have chloride and alkyl ligands bonded to them.
    Type: Grant
    Filed: November 9, 2001
    Date of Patent: July 5, 2005
    Assignee: Samsung Atofina Co., Ltd.
    Inventors: Chun-Byung Yang, Sang-Yull Kim, Weon Lee
  • Patent number: 6906189
    Abstract: Catalytic systems and methods for oxidizing materials in the presence of metal catalysts (preferably manganese-containing catalysts) complexed with selected macropolycyclic rigid ligands, preferably cross-bridged macropolycyclic ligands. Included are using these metal catalysts in such processes as: synthetic organic oxidation reactions such as oxidation of organic functional groups, hydrocarbons, and heteroatoms, including enantiomeric epoxidation of alkenes, enynes, sulfides to sulfones and the like; oxidation of oxidizable compounds (e.g., stains) on surfaces such as fabrics, dishes, countertops, dentures and the like; oxidation of oxidizable compounds in solution, dye transfer inhibition in the laundering of fabrics; and further in the bleaching of pulp and paper products.
    Type: Grant
    Filed: August 27, 2002
    Date of Patent: June 14, 2005
    Assignee: Procter & Gamble Company
    Inventors: Daryle Hadley Busch, Simon Robert Collinson, Timothy Jay Hubin
  • Patent number: 6903229
    Abstract: This invention relates to metallocene compositions and their use in the preparation of catalyst systems for olefin polymerization, particularly propylene polymerization. The metallocene compositions may be represented by the formula: wherein R3 are identical or different and are each a halogen atom, a C1-C10 alkyl group which may be halogenated, a C6-C10 aryl group which may be halogenated, a C2-C10 alkenyl group, a C7-C40-arylalkyl group, a C7-C40 alkylaryl group, a C8-C40 arylalkenyl group, a —NR?2, —SR?, —OR?, —OSiR?3 or —PR?2 radical, wherein R? is one of a halogen atom, a C1-C10 alkyl group, or a C6-C10 aryl group, and R9 and R11 are identical or different and are a Group 14 radical having from 1 to 20 carbon atoms or are each primary, secondary or tertiary butyl groups, aryl groups, isopropyl groups, fluoroalkyl groups, trialkyl silyl groups, or other groups of similar size.
    Type: Grant
    Filed: January 31, 2002
    Date of Patent: June 7, 2005
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Terry J. Burkhardt, Udo M. Stehling, James R. Hart, William T. Haygood, Jr., Robert T. Li, James C. Vizzini, Matthew C. Kuchta
  • Patent number: 6903041
    Abstract: There are provided; (i) a solid catalyst component obtained by contacting a trivalent titanium atom-containing solid catalyst component precursor (C) with a halogeno compound (A) of the 13 or 14 group of elements in the periodic table of the elements and an electron donor (B), or a solid catalyst component obtained by contacting an intermediate product with a titanium-halogen bond-carrying compound (D), the intermediate product being obtained by contacting the solid catalyst component precursor (C) with a halogeno compound (A?) of the 14 group of elements in the periodic table of the elements and the electron donor (B), or a solid catalyst component comprising a magnesium atom, a titanium atom, a halogen atom and an electron donor and having a relative surface area of not more than 30 m2/g, the catalyst component being superior in a particle form, and (ii) a catalyst comprising the solid catalyst component and an organoaluminum compound, the catalyst being high in polymerization activity.
    Type: Grant
    Filed: June 22, 2001
    Date of Patent: June 7, 2005
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Shin-ichi Kumamoto, Makoto Satoh, Hideki Ohshima
  • Patent number: 6903045
    Abstract: A carbonylation catalyst useful for producing esters and carboxylic acids in a vapor phase carbonylation process, wherein the catalyst includes a solid component having a catalytically effective amount of platinum and tin associated with a solid catalyst support material and a vaporous halide promoter component.
    Type: Grant
    Filed: June 19, 2001
    Date of Patent: June 7, 2005
    Assignee: Eastman Chemical Company
    Inventors: Joseph Robert Zoeller, Andy Hugh Singleton, Gerald Charles Tustin, Donald Lee Carver
  • Patent number: 6900152
    Abstract: A catalyst used for trimerization of ethylene into 1-hexene is descrobed, which comprises (i) a specific organometallic complex having a neutral multidentate ligand having a tripod structure, (ii) an alkylaluminoxane, and an optional ingredient selected from: (iii) a halogenated inorganic compound, (iv) a specific alkyl group-containing compound, (v) a combination of a halogenated inorganic compound with a specific alkyl group-containing compound, (vi) an amine compound and/or an amide compound, and (vii) a combination of an amine compound and/or an amide compound with a specific alkyl group-containing compound.
    Type: Grant
    Filed: September 28, 2001
    Date of Patent: May 31, 2005
    Assignee: Tosoh Corporation
    Inventors: Toru Yoshida, Toshihide Yamamoto, Hisanori Okada, Hideyuki Murakita