1
David John Kemmish, Brian Wilson: Aromatic polyetherketones. Victrex Manufacturing, Birch Stewart Kolasch & Birch, June 21, 2005: US06909015 (15 worldwide citation)

The invention relates to polyetherketones and to a process for the preparation of aromatic polyetherketones which process comprises: a) self-condensing a compound of formula (I) wherein n represents 0 or 1 in the presence of an alkyl or optionally substituted aryl sulphonic acid solvent and in the a ...


2
John Neil Devine, Stuart Green, David John Kemmish, Brian Wilson: Polyketones. Victrex Manufacturing, Nixon & Vanderhye, January 9, 2007: US07160980 (7 worldwide citation)

Method of purifying a polymeric material of a type which includes (A) phenyl moieties; (B) carbonyl and/or sulphone moieties; and; (C) ether and/or thioether moieties. The method includes contacting the polymeric material with a solvent formulation which is at a temperature of greater than 100° C. a ...


3
Peter Charnock, David J Kemmish, Philip A Staniland, Brian Wilson: Ion-exchange polymers. Victrex Manufacturing, Nixon & Vanderhye, December 7, 2004: US06828353 (7 worldwide citation)

Ion-Exchange polymers for a polymer electrolyte membrane include a moiety of formula (I), and/or a moiety of formula (II), and/or a moiety of formula (III) wherein at least some of the units I, II and/or III are sulphonated. The phenyl moieties in units I, II, and III are independently optionally su ...


4
Peter Charnock, Brian Wilson, Richard F Bridges: Composite ion exchange material. Victrex Manufacturing, Nixon & Vanderhye, June 7, 2005: US06902801 (7 worldwide citation)

A composite material, for example a composite membrane for a polymer electrolyte membrane fuel cell includes a first conductive polymer and a support material for the polymer, wherein the support material comprises a second conductive polymer. A method making of the composite material is also disclo ...


5
Richard Thomas Leibfried, Guglielmo Pernice, Geoff Small, Jack Vloedman, Alan Wood: Polymeric materials. Victrex Manufacturing, Michael Best & Friedrich, August 26, 2014: US08813332 (5 worldwide citation)

A method of fitting a compressed component, for example a pipe, in a receiver, for example a bore, comprises compressing a selected component which is made out of a polymeric material having a glass transition temperature of at least 100° C., for example polyetheretherketone; arranging the compresse ...


6
Flath Dianne, Meakin Craig, Wilson Brian: Polyether ketone. Victrex Manufacturing, Flath Dianne, Meakin Craig, Wilson Brian, NEILL Alastair William, April 7, 2005: WO/2005/030836 (5 worldwide citation)

There is provided a pack comprising a polymeric material having a melt viscosity (MV) in the range 0.05 to 0.12 kNsm-2 wherein said polymeric material is of a type which includes: (a) phenyl moieties; (b) carbonyl moieties; and (c) ether moieties. Preferably the polymeric material is selected from i ...


7
John Edward Lockley, Brian Wilson: Ion-conducting polymeric materials. Victrex Manufacturing, Nixon & Vanderhye, October 24, 2006: US07125953 (4 worldwide citation)

A method of preparing an ion-conducting polymeric material, for example, for a fuel cell, in a desired form (hereinafter “said formed polymeric material”), comprises: (i) selecting a first ion-conducting polymeric material; (ii) selecting a solvent formulation which can dissolve said first ion-condu ...


8
John Jamieson Liggat, Catherine Jane Wilde, Philip Anthony Staniland: Process for making an aromatic polymer. Victrex Manufacturing, Arent Fox Kintner Plotkin & Kahn, May 30, 2000: US06069223 (4 worldwide citation)

A process for making a crystallizable aromatic polymer comprises polycondensing difunctional monomers in the presence of a base and adding to the reaction mixture a nucleating agent. The nucleating agent comprises a nucleophilic group and a group of formula --A--X, where X is a metal cation and A is ...


9
Craig Meakin, Dianne Flath, Brian Wilson: Polymeric material. Victrex Manufacturing, Nixon & Vanderhye, October 27, 2009: US07608648 (4 worldwide citation)

A polyaryletherketone polymeric material, for example polyetheretherketone and composite materials comprising said polymeric material are described. The polymeric material has a melt viscosity (MV) in the range 0.05 to 0.12 kNsm−2, preferably in the range 0.085 to 0.095 kNsm−2.


10
Craig Meakin, Dianne Flath, Brian Wilson: Polymeric ketone. Victrex Manufacturing, Nixon & Vanderhye, March 15, 2011: US07906574 (3 worldwide citation)

A polyaryletherketone polymeric material, for example polyetheretherketone and composite materials comprising said polymeric material are described. The polymeric material has a melt viscosity (MV) in the range 0.05 to 0.12 kNsm−2 preferably in the range 0.085 to 0.095 kNsm−2.



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