Patents by Inventor Mary McKiernan

Mary McKiernan has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9331284
    Abstract: It is an object of the invention to provide a polymer compound that, when used in a light-emitting device, results in excellent luminance life for the obtained light-emitting device. The invention provides a polymer compound comprising a constitutional unit represented by formula (1). [In formula (1), R1A, R1B, R2A, R2B represent an unsubstituted alkyl group, R3 and R4 represented an unsubstituted or substituted alkyl group, an unsubstituted or substituted alkoxy group, an unsubstituted or substituted aryl group, an unsubstituted or substituted aryloxy group, an unsubstituted or substituted heterocyclic group, an unsubstituted or substituted silyl group, a halogen atom, an alkoxycarbonyl group, a carboxyl or a cyano group, and R5 and R6 represent an unsubstituted or substituted alkyl group, an unsubstituted or substituted alkoxy group or an unsubstituted or substituted aryl group. The letters a, b, c and d each represent an integer of 0 to 3.
    Type: Grant
    Filed: January 28, 2011
    Date of Patent: May 3, 2016
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Daisuke Fukushima, Brian Tierney, Natasha Conway, Mary McKiernan
  • Patent number: 8933182
    Abstract: A polymer comprising a first repeat unit comprising ArhX2 wherein ArhX2 comprises a substituted or unsubstituted heteroaryl group and each X is the same or different and independently comprises a substituted or unsubstituted aryl or heteroaryl group and a second repeat unit that is adjacent to the first repeat unit wherein each X that is part of a main body of the polymer backbone is directly conjugated to the second repeat unit.
    Type: Grant
    Filed: July 22, 2011
    Date of Patent: January 13, 2015
    Assignee: Cambridge Display Technology Limited
    Inventor: Mary McKiernan
  • Patent number: 8916677
    Abstract: A monomer of formula (III): wherein X is a polymerisable group Ar, Ar1 and Ar2 each independently represent an optionally substituted aryl or heteroaryl group; R1 represents H or a substituent; and Z represents a direct bond or a divalent linking atom or group, wherein Ar1 and Ar2 are linked by a single bond or a divalent linking group selected from CR1R2, SiR1R2, PR1, NR1, O and S wherein R1 and R2 are independently selected from hydrogen; optionally substituted alkyl wherein one or more non-adjacent C atoms may be replaced with O, S, N, C?O and —COO—; alkoxy, aryl, arylalkyl, heteroaryl and heteroarylalkyl. Ar1 and Ar2 are preferably linked by an oxygen atom, and Ar1 and/or Ar2 may be fused to their respective adjacent Ar groups. Ar1 and its adjacent Ar group and/or Ar2 and its adjacent Ar group are optionally fused to form a fluorene unit.
    Type: Grant
    Filed: April 15, 2010
    Date of Patent: December 23, 2014
    Assignees: Cambridge Display Technology Limited, Sumitomo Chemical Company Limited
    Inventors: Mary McKiernan, Thomas Pounds
  • Patent number: 8916675
    Abstract: A method for forming a polymer comprising the polymerization of a plurality of monomers, wherein at least one of the plurality of monomers is one or both of: a charge transporting unit and a hydrocarbon monomer in which at least one carbon atom has been substituted by an atom or group with a greater quantity of unshared valence electrons than the carbon atom it has been substituted for, and wherein at least one of the plurality of monomers comprises an end-capping compound at one end of said monomer, the end-capping compound preventing polymerization at the end, wherein the end-capping compound is not charge transporting and comprises at least two rings. The end capping compound preferably consists of or includes a structural unit having the formula: (Ar)n—X, wherein Ar in each occurrence independently represents an aryl or heteroaryl group; X represents a leaving group comprising a boron derivative group or halogen; and n is 2 or more.
    Type: Grant
    Filed: April 15, 2010
    Date of Patent: December 23, 2014
    Assignees: Cambridge Display Technology Limited, Sumitomo Chemical Company Limited
    Inventors: Mary McKiernan, Thomas Pounds
  • Patent number: 8860007
    Abstract: The invention relates to organic semiconductive polymers comprising a new backbone system, monomers for the preparation of such polymers, methods for the preparation of such polymers and the use of such polymers in organic optoelectronic devices.
    Type: Grant
    Filed: November 6, 2003
    Date of Patent: October 14, 2014
    Assignee: Merck Patent GmbH
    Inventors: Carl Towns, Ian Rees, Ilaria Grizzi, Mary Mckiernan, Paul Wallace, Thomas Pounds, Clare Foden, Sophie Heidenhain
  • Patent number: 8617724
    Abstract: A polymer compound that, when used for fabrication of a light emitting device, results in an excellent luminance lifetime for the obtained light emitting device. A polymer compound comprising a constitutional unit represented by formula (1). (In the formula, R1 and R2 each independently represent an unsubstituted alkyl group. R3 and R4 each independently represent a group other than an unsubstituted alkyl group. R5 and R6 each independently represent an unsubstituted or substituted alkyl, unsubstituted or substituted alkoxy or unsubstituted or substituted aryl group. The letters a and b each independently represent an integer of 0-4. The letters c and d each independently represent an integer of 0-3. When multiple R3, R4, R5 and R6 groups are present, they may be the same or different.
    Type: Grant
    Filed: January 28, 2011
    Date of Patent: December 31, 2013
    Assignees: Sumitomo Chemical Company, Limited, Cambridge Display Technology Limited
    Inventors: Daisuke Fukushima, Kazuei Ohuchi, Brian Tierney, Natasha Conway, Mary McKiernan
  • Patent number: 8598306
    Abstract: A monomer having the general formula: in which R1 is any substitution; R2 is any substitution; R1 and R2 may be linked to form a saturated or unsaturated ring; L represents a reactive leaving group; X and Y each independently represent CR2, O, BR, NR, SiR2, S, S?O, SO2, PR or P?O(R) wherein R in each occurrence is independently selected from H or a substituent; Z represents a single bond or a divalent atom or group, wherein X—Z—Y forms an unconjugated ring or chain, with the proviso that at least one of R1 and R2 is an aryl or heteroaryl group if Z is a single bond.
    Type: Grant
    Filed: April 15, 2010
    Date of Patent: December 3, 2013
    Assignees: Cambridge Display Technology Limited, Sumitomo Chemical Company Limited
    Inventors: Mary McKiernan, Jonathan Pillow
  • Patent number: 8440325
    Abstract: An electronic device containing a hole transporting semiconductive polymer comprising a first repeat unit comprising a first nitrogen of a triarylamine in the polymer backbone and a second nitrogen of an arylamine pendant from the polymer backbone, characterised in that said semiconductive polymer performs the function of transporting holes to or from a semiconductive material in said device.
    Type: Grant
    Filed: December 18, 2006
    Date of Patent: May 14, 2013
    Assignees: Cambridge Display Technology Limited, CDT Oxford Limited
    Inventors: Mary McKiernan, Natasha Conway, Richard Wilson
  • Patent number: 8399605
    Abstract: A semiconductive polymer comprising a first repeat unit in the polymer backbone comprising general formula 1: where a=1 or 2; b=0 or 1; and c=0, 1 or 2, provided that when c=0 then b=0; Ar1, Ar2, Ar3, Ar4, Ar5, and Ar6 each independently represent an aryl or heteroaryl ring or a fused derivative thereof; characterized in that at least one of Ar1, Ar2, Ar4, and Ar5 is non-conjugating; and provided that (a) when a=1, Ar1 is not linked to Ar2 by a direct bond, (b) when b=1 and c=1, Ar4 is not linked to Ar5 by a direct bond, (c) when b=0 and c=1, Ar2 is not linked to Ar5 by a direct bond, (d) when a=2, the Ar1 groups are not linked by a single bond, and (e) when c=2, the Ar5 groups are not linked by a single bond.
    Type: Grant
    Filed: December 18, 2006
    Date of Patent: March 19, 2013
    Assignees: Cambridge Display Technology Limited, CDT Oxford Limited
    Inventors: Annette Steudel, Nalinkumar Lallubhai Patel, Jonathan Pillow, Mary McKiernan, Sophie Heidenhain, Natasha Conway
  • Publication number: 20120326140
    Abstract: It is an object of the invention to provide a polymer compound that, when used in a light-emitting device, results in excellent luminance life for the obtained light-emitting device. The invention provides a polymer compound comprising a constitutional unit represented by formula (1). [In formula (1), R1A, R1B, R2A, R2B represent an unsubstituted alkyl group, R3 and R4 represented an unsubstituted or substituted alkyl group, an unsubstituted or substituted alkoxy group, an unsubstituted or substituted aryl group, an unsubstituted or substituted aryloxy group, an unsubstituted or substituted heterocyclic group, an unsubstituted or substituted silyl group, a halogen atom, an alkoxycarbonyl group, a carboxyl or a cyano group, and R5 and R6 represent an unsubstituted or substituted alkyl group, an unsubstituted or substituted alkoxy group or an unsubstituted or substituted aryl group. The letters a, b, c and d each represent an integer of 0 to 3.
    Type: Application
    Filed: January 28, 2011
    Publication date: December 27, 2012
    Applicants: CAMBRIDGE DISPLAY TECHNOLOGY LIMITED, SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Daisuke Fukushima, Brian Tierney, Natasha Conway, Mary Mckiernan
  • Publication number: 20120095184
    Abstract: A monomer having the general formula: in which R1 is any substitution; R2 is any substitution; R1 and R2 may be linked to form a saturated or unsaturated ring; L represents a reactive leaving group; X and Y each independently represent CR2, O, BR, NR, SiR2, S, S?O, SO2, PR or P?O(R) wherein R in each occurrence is independently selected from H or a substituent; Z represents a single bond or a divalent atom or group, wherein X—Z—Y forms an unconjugated ring or chain, with the proviso that at least one of R1 and R2 is an aryl or heteroaryl group if Z is a single bond.
    Type: Application
    Filed: April 15, 2010
    Publication date: April 19, 2012
    Applicants: Sumitomo Chemical Company Limited, Cambridge Display Technology Limited
    Inventors: Mary McKiernan, Johathan Pillow
  • Publication number: 20120053315
    Abstract: A monomer of formula (III): wherein X is a polymerisable group Ar, Ar1 and Ar2 each independently represent an optionally substituted aryl or heteroaryl group; R1 represents H or a substituent; and Z represents a direct bond or a divalent linking atom or group, wherein Ar1 and Ar2 are linked by a single bond or a divalent linking group selected from CR1R2, SiR1R2, PR1, NR1, O and S wherein R1 and R2 are independently selected from hydrogen; optionally substituted alkyl wherein one or more non-adjacent C atoms may be replaced with O, S, N, C?O and —COO—; alkoxy, aryl, arylalkyl, heteroaryl and heteroarylalkyl. Ar1 and Ar2 are preferably linked by an oxygen atom, and Ar1 and/or Ar2 may be fused to their respective adjacent Ar groups. Ar1 and its adjacent Ar group and/or Ar2 and its adjacent Ar group are optionally fused to form a fluorene unit.
    Type: Application
    Filed: April 15, 2010
    Publication date: March 1, 2012
    Applicants: Sumitomo Chemical Company Limited, Cambridge Display Technology Limited
    Inventors: Mary McKiernan, Thomas Pounds
  • Publication number: 20120046440
    Abstract: A method for forming a polymer comprising the polymerization of a plurality of monomers, wherein at least one of the plurality of monomers is one or both of: a charge transporting unit and a hydrocarbon monomer in which at least one carbon atom has been substituted by an atom or group with a greater quantity of unshared valence electrons than the carbon atom it has been substituted for, and wherein at least one of the plurality of monomers comprises an end-capping compound at one end of said monomer, the end-capping compound preventing polymerization at the end, wherein the end-capping compound is not charge transporting and comprises at least two rings. The end capping compound preferably consists of or includes a structural unit having the formula: (Ar)n—X, wherein Ar in each occurrence independently represents an aryl or heteroaryl group; X represents a leaving group comprising a boron derivative group or halogen; and n is 2 or more.
    Type: Application
    Filed: April 15, 2010
    Publication date: February 23, 2012
    Applicants: SUMITOMO CHEMICAL COMPANY LIMITED, CAMBRIDGE DISPLAY TECHNOLOGY LIMITED
    Inventors: Mary McKiernan, Thomas Pounds
  • Publication number: 20110279028
    Abstract: A polymer comprising a first repeat unit comprising ArhX2 wherein ArhX2 comprises a substituted or unsubstituted heteroaryl group and each X is the same or different and independently comprises a substituted or unsubstituted aryl or heteroaryl group and a second repeat unit that is adjacent to the first repeat unit wherein each X that is part of a main body of the polymer backbone is directly conjugated to the second repeat unit.
    Type: Application
    Filed: July 22, 2011
    Publication date: November 17, 2011
    Inventors: Richard O'Dell, Carl Towns, Mary McKiernan
  • Publication number: 20110187266
    Abstract: A polymer compound that, when used for fabrication of a light emitting device, results in an excellent luminance lifetime for the obtained light emitting device. A polymer compound comprising a constitutional unit represented by formula (1). (In the formula, R1 and R2 each independently represent an unsubstituted alkyl group. R3 and R4 each independently represent a group other than an unsubstituted alkyl group. R5 and R6 each independently represent an unsubstituted or substituted alkyl, unsubstituted or substituted alkoxy or unsubstituted or substituted aryl group. The letters a and b each independently represent an integer of 0-4. The letters c and d each independently represent an integer of 0-3. When multiple R3, R4, R5 and R6 groups are present, they may be the same or different.
    Type: Application
    Filed: January 28, 2011
    Publication date: August 4, 2011
    Applicants: SUMITOMO CHEMICAL COMPANY, LIMITED, CAMBRIDGE DISPLAY TECHNOLOGY LIMITED
    Inventors: Daisuke FUKUSHIMA, Kazuei OHUCHI, Brian TIERNEY, Natasha CONWAY, Mary MCKIERNAN
  • Patent number: 7985815
    Abstract: A polymer comprising a first repeat unit comprising ArhX2 wherein ArhX2 comprises a substituted or unsubstituted heteroaryl group and each X is the same or different and independently comprises a substituted or unsubstituted aryl or heteroaryl group and a second repeat unit that is adjacent to the first repeat unit wherein each X that is part of a main body of the polymer backbone is directly conjugated to the second repeat unit.
    Type: Grant
    Filed: April 10, 2002
    Date of Patent: July 26, 2011
    Assignee: Cambridge Display Technology Limited
    Inventors: Richard O'Dell, Carl Towns, Mary McKiernan
  • Patent number: 7898163
    Abstract: A polymer for use in an optical device comprising one or more regions, where each region comprises (i) a first structural unit having general formula I: where m=1 or 2 and which contains at least one substituent selected from the group consisting of alkyl, alkoxy, aryl, aryloxy, heteroaryl, and heteroaryloxy groups, each of which may be further substituted; and (ii) a second structural unit Ar selected from the group consisting of heteroaryl, triarylamine and 2,7-fluorenyl; such that where m=1 each region comprises a unit having general formula II: wherein, the substituent has a molecular weight of less than 300.
    Type: Grant
    Filed: October 24, 2006
    Date of Patent: March 1, 2011
    Assignee: Cambridge Display Technology Limited
    Inventors: Richard O'Dell, Carl Towns, Mary McKiernan
  • Publication number: 20100025703
    Abstract: A conductive polymer composition comprising a conductive polymer in a solid polyelectrolyte.
    Type: Application
    Filed: December 23, 2005
    Publication date: February 4, 2010
    Applicants: Cambridge Display Technology Limited, CDT OXFORD LIMITED
    Inventors: Carl Towns, Andrew Bruce Holmes, Mary McKiernan
  • Publication number: 20090253883
    Abstract: A polymer comprising an optionally substituted first repeat unit of formula (1): wherein F is a divalent residue; each G in each occurrence is independently a divalent residue; r is at least 1; each p is independently 0 or 1 and each corresponding q is the other of 0 or 1; and G comprises a heteroatom in the case where n is 1.
    Type: Application
    Filed: June 9, 2009
    Publication date: October 8, 2009
    Applicant: Merck Patent GmbH
    Inventors: Mary McKiernan, Carl Towns
  • Patent number: 7592622
    Abstract: A polymer comprising an optionally substituted first repeat unit off formula (1): wherein F is a divalent residue; each G in each occurrence is independently a divalent residue; r is at least 1; each p is independently 0 or 1 and each corresponding q is the other of 0 or 1; and G comprises a heteroatom in the case where n is 1.
    Type: Grant
    Filed: August 11, 2005
    Date of Patent: September 22, 2009
    Assignee: Merck Patent GmbH
    Inventors: Mary McKiernan, Carl Towns