Patents Assigned to Lucite International UK Limited
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Publication number: 20100022799Abstract: 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: ApplicationFiled: December 20, 2007Publication date: January 28, 2010Applicant: LUCITE INTERNATIONAL UK LIMITEDInventors: Graham Ronald Eastham, Mark Waugh, Philip Ian Richards
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Publication number: 20100010261Abstract: 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: ApplicationFiled: September 21, 2007Publication date: January 14, 2010Applicant: LUCITE INTERNATIONAL UK LIMITEDInventors: Graham Ronald Eastham, David Cole-Hamilton, Angel Alberto Nunez Magro
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Publication number: 20090312561Abstract: 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: ApplicationFiled: April 10, 2007Publication date: December 17, 2009Applicant: LUCITE INTERNATIONAL UK LIMITEDInventors: Graham Ronald Eastham, Neil Tindale
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Publication number: 20090216041Abstract: 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: ApplicationFiled: August 4, 2006Publication date: August 27, 2009Applicant: LUCITE INTERNATIONAL UK LIMITEDInventors: Graham Ronald Eastham, Neil Tindale
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Publication number: 20090208390Abstract: 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: ApplicationFiled: April 25, 2007Publication date: August 20, 2009Applicant: LUCITE INTERNATIONAL UK LIMITEDInventors: Darren Gobby, John Colin Middleton, Neil Tindale
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Publication number: 20090163724Abstract: 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: ApplicationFiled: November 8, 2006Publication date: June 25, 2009Applicant: Lucite International Uk LimitedInventors: Graham Ronald Eastham, Mark Waugh, Philip Ian Richards
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Publication number: 20090131571Abstract: 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: ApplicationFiled: June 27, 2007Publication date: May 21, 2009Applicant: LUCITE INTERNATIONAL UK LIMITEDInventors: Ian Fraser, Neil Kirtley, Ian Robinson
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Publication number: 20090131579Abstract: 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: ApplicationFiled: May 24, 2006Publication date: May 21, 2009Applicant: LUCITE INTERNATIONAL UK LIMITEDInventor: Michael Stephen Chisholm
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Publication number: 20090085242Abstract: 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: ApplicationFiled: December 9, 2008Publication date: April 2, 2009Applicant: LUCITE INTERNATIONAL UK LIMITEDInventors: Paul Eustace, Nicholas John Marston, John Robert Oliver
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Patent number: 7497979Abstract: 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: GrantFiled: February 1, 2005Date of Patent: March 3, 2009Assignee: Lucite International UK LimitedInventors: Paul Eustace, Nicholas John Marston, John Robert Oliver
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Patent number: 7371705Abstract: 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: GrantFiled: August 6, 2003Date of Patent: May 13, 2008Assignee: Lucite International UK LimitedInventors: Graham R. Eastham, Paul A. Cameron, Robert P. Tooze, Kingsley J. Cavell, Peter G. Edwards, Dennis L. Coleman
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Patent number: 7338579Abstract: 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: GrantFiled: May 23, 2002Date of Patent: March 4, 2008Assignee: Lucite International UK LimitedInventor: William David Parten
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Publication number: 20080051475Abstract: 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: ApplicationFiled: July 1, 2004Publication date: February 28, 2008Applicant: Lucite International UK LimitedInventors: Graham Eastham, David Cole-Hamilton, Christina Jimenez
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Patent number: 7265240Abstract: 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: GrantFiled: August 4, 2003Date of Patent: September 4, 2007Assignee: Lucite International UK LimitedInventors: Graham R. Eastham, Cristina Jimenez, David Cole-Hamilton
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Patent number: 7244796Abstract: 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: GrantFiled: September 16, 2003Date of Patent: July 17, 2007Assignee: Lucite International UK LimitedInventors: Michael S. Chisholm, Andrew T. Slark, David Sherrington, Nial O'Brien
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Publication number: 20060252935Abstract: A catalyst suitable for carbonylating ethylenically unsaturated compounds comprising a Group VIIIB metal or compound thereof and a metallocene.Type: ApplicationFiled: September 10, 2003Publication date: November 9, 2006Applicant: Lucite International UK LimitedInventors: Graham Eastham, Ian Butler, Kevin Fortune
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Publication number: 20060122435Abstract: 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: ApplicationFiled: August 4, 2003Publication date: June 8, 2006Applicant: Lucite International UK LimitedInventors: Graham Eastham, Cristina Jimenez, David Cole-Hamilton
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Patent number: 7053147Abstract: 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: GrantFiled: January 17, 2003Date of Patent: May 30, 2006Assignee: Lucite International UK LimitedInventors: Samuel David Jackson, David William Johnson, John David Scott, Gordon James Kelly, Brian Peter Williams
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Publication number: 20060106259Abstract: 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: ApplicationFiled: August 6, 2003Publication date: May 18, 2006Applicant: Lucite International UK LimitedInventors: Graham Eastham, Paul Cameron, Robert Tooze, Kingsley Cavell, Peter Edwards, Dennis Coleman
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Patent number: 6984668Abstract: 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: GrantFiled: August 2, 2000Date of Patent: January 10, 2006Assignee: Lucite International UK LimitedInventors: Graham Ronald Eastham, Raymond Anthony Hadden, David William Johnson