Patents Assigned to Lucite International UK Limited
  • Publication number: 20100022799
    Abstract: A process for the carbonylation of a conjugated diene is described. The process comprises the steps of reacting a conjugated diene with carbon monoxide and a co-reactant having an active hydrogen in the presence of a solvent system and a catalyst system. The solvent system comprises a an aromatic carboxylic acid or, under some conditions, any carboxylic acid. The catalyst system is obtainable by combining: a. a metal of Group 8, 9 or 10 or a compound thereof: and b.
    Type: Application
    Filed: December 20, 2007
    Publication date: January 28, 2010
    Applicant: LUCITE INTERNATIONAL UK LIMITED
    Inventors: Graham Ronald Eastham, Mark Waugh, Philip Ian Richards
  • Publication number: 20100010261
    Abstract: A process for the hydrogenation of carboxylic acids and/or derivatives, particularly amides, is described. The process includes reacting an acid or derivative such as an amide with a source of hydrogen in the presence of a catalyst system. The catalyst system obtainable by combining: (a) a source of ruthenium, and (b) a phosphine compound of general Formula I: (Formula I). The hydrogenation reaction is carried out in the presence of a low concentration of water or at low pressure or in the presence of a source of ammonia or the hydrogenation reaction is carried out in the absence of water or a combination of these factors is utilised. The invention also relates to the use of ammonia in the production of primary amines by hydrogenation of carboxylic acids and/or derivatives thereof or a process for the production of primary amines generally.
    Type: Application
    Filed: September 21, 2007
    Publication date: January 14, 2010
    Applicant: LUCITE INTERNATIONAL UK LIMITED
    Inventors: Graham Ronald Eastham, David Cole-Hamilton, Angel Alberto Nunez Magro
  • Publication number: 20090312561
    Abstract: The invention concerns metal complexes and their preparation, in particular a metal complex MLnXm, where M is a metal of group 8, 9 or 10 and X is a halide, HCO3—, NO3—, CO32— or carboxylate. n is a number equal to or less than the coordination number of the metal and m is 1 or 2 and is equal to the oxidation state of the metal. The ligand L may be a bidentate phosphine of formula (I), (II), (III) or (IV) as set out herein. The process of production comprises reacting an ammine compound of metal M with a complexing compound, which is preferably a phosphine.
    Type: Application
    Filed: April 10, 2007
    Publication date: December 17, 2009
    Applicant: LUCITE INTERNATIONAL UK LIMITED
    Inventors: Graham Ronald Eastham, Neil Tindale
  • Publication number: 20090216041
    Abstract: A continuous carbonylation process for high turnover carbonylation, and a carbonylation reaction medium and product stream thereof. The process comprises carbonylating an ethlenically unsaturated compound with carbon monoxide in the presence of a source of hydroxyl groups and a catalyst system. The catalyst system comprising: (a) a bidentate phosphine, arsine or stibine ligand; and (b) a catalytic metal selected from a group VIB or group VIIIB metal or a compound thereof. The catalytically active concentration of said catalytic metal, measured as the ACCF (product Kg·hr?1·Dm?3), is maintained at less than 0.5.
    Type: Application
    Filed: August 4, 2006
    Publication date: August 27, 2009
    Applicant: LUCITE INTERNATIONAL UK LIMITED
    Inventors: Graham Ronald Eastham, Neil Tindale
  • Publication number: 20090208390
    Abstract: A mixing apparatus (100) for mixing at least two fluids, the mixing apparatus (100) comprising a shaft (120) rotatable about its longitudinal axis (121), a first (122) and a second (124) radially extending impeller mounted on the shaft (120) and respectively axially spaced apart, characterised in that the first impeller (122) comprises a plurality of curved blades (125) operable to move said fluids in an axial direction towards the second impeller (124), and the second impeller (124) comprises a plurality of curved blades (125) operable to move said fluids in an axial direction towards the first impeller (122).
    Type: Application
    Filed: April 25, 2007
    Publication date: August 20, 2009
    Applicant: LUCITE INTERNATIONAL UK LIMITED
    Inventors: Darren Gobby, John Colin Middleton, Neil Tindale
  • Publication number: 20090163724
    Abstract: A process for the carbonylation of ethylenically unsaturated compounds including vinyl esters and a process for the production of 3-hydroxy propanoate esters or acids. The process comprises reacting said compound with carbon monoxide in the presence of a source of hydroxyl groups and of a catalyst system. The catalyst system is obtainable by combining: (a) a metal of Group 8, 9 or 10 or a compound thereof: and (b) a bidentate ligand of general formula (I): X1(X2)-Q2-A-R—B-Q1-X3(X4).
    Type: Application
    Filed: November 8, 2006
    Publication date: June 25, 2009
    Applicant: Lucite International Uk Limited
    Inventors: Graham Ronald Eastham, Mark Waugh, Philip Ian Richards
  • Publication number: 20090131571
    Abstract: A polymeric composition comprising a polymer matrix derived from one or more polymerisable monomers and including particles comprising an inorganic oxide and having a weight average particle size of less than or equal to 400 nm contained therein, wherein said polymeric composition is obtainable by polymerising a polymerisable mixture comprising said one or more polymerisable monomers of the polymer matrix in the presence of said particles and a dispersing agent comprising an ethylenically unsaturated compound.
    Type: Application
    Filed: June 27, 2007
    Publication date: May 21, 2009
    Applicant: LUCITE INTERNATIONAL UK LIMITED
    Inventors: Ian Fraser, Neil Kirtley, Ian Robinson
  • Publication number: 20090131579
    Abstract: An embedment casting composition and a process of embedding a specimen in an acrylic polymer matrix is described. The composition comprises an acrylic copolymer and a suitable solvent. The acrylic copolymer is derived from 80-99% w/w methyl methacrylate, 0.1-10% w/w of a C3-C10 olefinically unsaturated acid co-monomer selected from carboxylic, phophonic, sulphonic or phosphinic acids and 0-10% w/w other suitable monomers and/or additives. A process of embedding a specimen in an acrylic polymer matrix, a cast of an embedded metal specimen, the use of an embedment composition for coating a specimen prior to an embedment coating process and use of an embedment composition as the copolymer resin component of an embedment slurry are also described.
    Type: Application
    Filed: May 24, 2006
    Publication date: May 21, 2009
    Applicant: LUCITE INTERNATIONAL UK LIMITED
    Inventor: Michael Stephen Chisholm
  • Publication number: 20090085242
    Abstract: A melt-processable thermoplastic composition is described, which comprises a) 50-99.5 wt. % of a melt-processable thermoplastic polymer and b) 0.5-50 wt. % of a particulate polymer comprising the residues of a monomer mixture comprising 50-100 wt. % of MMA, at least 0-50% of an ethylenically unsaturated comonomer comprising at least one alkyl acrylate or methacrylate and 0-10 wt. % of a copolymerisable cross-linking monomer said particles having a maximum dimension of 5 mm. The compositions have reduced surface gloss and may be useful for forming building components or in any other application in which a low gloss surface is required. A method of making the composition and its uses, for example its use as a capstock material, are also described.
    Type: Application
    Filed: December 9, 2008
    Publication date: April 2, 2009
    Applicant: LUCITE INTERNATIONAL UK LIMITED
    Inventors: Paul Eustace, Nicholas John Marston, John Robert Oliver
  • Patent number: 7497979
    Abstract: A melt-processable thermoplastic composition is described, which comprises a) 50-99.5 wt. % of a melt-processable thermoplastic polymer and b) 0.5-50 wt. % of a particulate polymer comprising the residues of a monomer mixture comprising 50-100 wt. % of MMA, at least 0-50% of an ethylenically unsaturated comonomer comprising at least one alkyl acrylate or methacrylate and 0-10 wt. % of a copolymerisable cross-linking monomer said particles having a maximum dimension of 5 mm. The compositions have reduced surface gloss and may be useful for forming building components or in any other application in which a low gloss surface is required. A method of making the composition and its uses, for example its use as a capstock material, are also described.
    Type: Grant
    Filed: February 1, 2005
    Date of Patent: March 3, 2009
    Assignee: Lucite International UK Limited
    Inventors: Paul Eustace, Nicholas John Marston, John Robert Oliver
  • Patent number: 7371705
    Abstract: A catalyst system capable of catalysing the carbonylation of an olefinally unsaturated compound is described. The 5 catalyst system is obtainable by combining: (a) a metal of Group VIB or Group VIII B or a compound thereof; and (b) a bidentate phosphine of general formula (I) Ad)s(CR4R5R6)TQ2-A-(K,D)Ar(E,Z)-B-Q1(Ad)u(CR1R2R3)v. Ad represents an optionally substituted adamantyl radical bonded to the phosphorous atom via any one of its tertiary carbon atoms. A method of production of the catalyst is also illustrated.
    Type: Grant
    Filed: August 6, 2003
    Date of Patent: May 13, 2008
    Assignee: Lucite International UK Limited
    Inventors: Graham R. Eastham, Paul A. Cameron, Robert P. Tooze, Kingsley J. Cavell, Peter G. Edwards, Dennis L. Coleman
  • Patent number: 7338579
    Abstract: A formaldehyde-containing product is separated from a formalin solution containing formaldehyde, water, and methanol by distilling in the presence of a water entraining compound, especially methyl propionate or methyl methacrylate. The product contains substantially less water than in the solution and may be used, for example, in a further process which requires a source of formaldehyde containing a relatively low level of water, for example, the catalyzed reaction of methy propionate with formaldehyde and methanol to produce methyl methacrylate.
    Type: Grant
    Filed: May 23, 2002
    Date of Patent: March 4, 2008
    Assignee: Lucite International UK Limited
    Inventor: William David Parten
  • Publication number: 20080051475
    Abstract: The present invention provides a process for the hydroformylation of ethylenically unsaturated compounds, which process comprises reacting said ethylenically unsaturated compound with carbon monoxide and hydrogen, in the presence of a catalyst system and a solvent, the catalyst system obtainable by combining: a) a metal of Group VIII or a compound thereof; and b) a bidentate phosphine, the process characterised in that a chlorine moiety is present in at least one of the said Group VIII metal compound or said solvent.
    Type: Application
    Filed: July 1, 2004
    Publication date: February 28, 2008
    Applicant: Lucite International UK Limited
    Inventors: Graham Eastham, David Cole-Hamilton, Christina Jimenez
  • Patent number: 7265240
    Abstract: A process for the carbonylation of ethylenically unsaturated compounds is described. The process comprises reacting an ethylenically unsaturated compound with carbon monoxide in the presence of a source of hydroxyl groups and a catalyst system. The catalyst system is obtained by combining: (a) metal of Group VIII or a compound thereof; and (b) a bidentate phosphine of general formula (I) The carbonylation reaction is carried out at a temperature of between ?30° C. to 49° C. and under a CO partial pressure of less than 30×105 N.
    Type: Grant
    Filed: August 4, 2003
    Date of Patent: September 4, 2007
    Assignee: Lucite International UK Limited
    Inventors: Graham R. Eastham, Cristina Jimenez, David Cole-Hamilton
  • Patent number: 7244796
    Abstract: Branched polymers are prepared by mixing together monofunctional vinylic monomer with from 0.3 to 100% w/w of polyfunctional vinylic monomer and from 0.0001 to 50% w/w of chain transfer agent and thereafter reacting the mixture to form a polymer. The resulting branched polymers are soluble and may be used as component of surface coatings and inks as well as molding resins.
    Type: Grant
    Filed: September 16, 2003
    Date of Patent: July 17, 2007
    Assignee: Lucite International UK Limited
    Inventors: Michael S. Chisholm, Andrew T. Slark, David Sherrington, Nial O'Brien
  • Publication number: 20060252935
    Abstract: A catalyst suitable for carbonylating ethylenically unsaturated compounds comprising a Group VIIIB metal or compound thereof and a metallocene.
    Type: Application
    Filed: September 10, 2003
    Publication date: November 9, 2006
    Applicant: Lucite International UK Limited
    Inventors: Graham Eastham, Ian Butler, Kevin Fortune
  • Publication number: 20060122435
    Abstract: A process for the carbonylation of ethylenically unsaturated compounds is described. The process comprises reacting an ethylenically unsaturated compound with carbon monoxide in the presence of a source of hydroxyl groups and a catalyst system. The catalyst system is obtained by combining: (a) metal of Group VIII or a compound thereof; and (b) a bidentate phosphine of general formula (I) The carbonylation reaction is carried out at a temperature of between ?30° C. to 49° C. and under a CO partial pressure of less than 30×105 N.m?2.
    Type: Application
    Filed: August 4, 2003
    Publication date: June 8, 2006
    Applicant: Lucite International UK Limited
    Inventors: Graham Eastham, Cristina Jimenez, David Cole-Hamilton
  • Patent number: 7053147
    Abstract: The production of ethylenically unsaturated acids or esters by the catalytic reaction of an alkanoic acid or ester, especially methyl propionate, with formaldehyde, and a catalyst therefor wherein the catalyst comprises a porous high surface area silica containing 1–10% by weight of an alkali metal, especially cesium (expressed as a metal) and having compounds of at least one modifier element selected from boron, magnesium, aluminium, zirconium and hafnium dispersed in the pores of said silica in such amount that the catalyst contains a total of 0.25 to 2 gram atoms of primary modifier element per 100 moles of silica.
    Type: Grant
    Filed: January 17, 2003
    Date of Patent: May 30, 2006
    Assignee: Lucite International UK Limited
    Inventors: Samuel David Jackson, David William Johnson, John David Scott, Gordon James Kelly, Brian Peter Williams
  • Publication number: 20060106259
    Abstract: A catalyst system capable of catalysing the carbonylation of an olefinally unsaturated compound is described. The 5 catalyst system is obtainable by combining: (a) a metal of Group VIB or Group VIII B or a compound thereof; and (b) a bidentate phosphine of general formula (I) Ad)s(CR4R5R6)TQ2-A-(K,D)Ar(E,Z)-B-Q1(Ad)u(CR1R2R3)v. Ad represents an optionally substituted adamantyl radical bonded to the phosphorous atom via any one of its tertiary carbon atoms. A method of production of the catalyst is also illustrated.
    Type: Application
    Filed: August 6, 2003
    Publication date: May 18, 2006
    Applicant: Lucite International UK Limited
    Inventors: Graham Eastham, Paul Cameron, Robert Tooze, Kingsley Cavell, Peter Edwards, Dennis Coleman
  • Patent number: 6984668
    Abstract: A liquid-phase chemical reaction medium comprises one or more reactants, optionally in the presence of a reaction product(s) and one or more solvents, diluents or other form of liquid carrier, a catalyst system comprising at least a metal or metal compound and optionally further compounds such as ligands or complexing agents; characterized in that the reaction medium further comprises a polymeric dispersant dissolved in said liquid carrier, said polymeric dispersant being capable of stabilizing a colloidal suspension of particles of said metal or metal compound within the liquid carrier. The presence of the polymeric dispersant enables metal formed by catalyst deactivation to be more easily recovered and recycled. Preferably, the polymeric dispersant has sufficiently acidic or basic functionality to stabilize the colloidal suspension of said metal or metal compound.
    Type: Grant
    Filed: August 2, 2000
    Date of Patent: January 10, 2006
    Assignee: Lucite International UK Limited
    Inventors: Graham Ronald Eastham, Raymond Anthony Hadden, David William Johnson