Patents by Inventor Zeinab M. Elshenawy

Zeinab M. Elshenawy 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: 10211413
    Abstract: Novel heteroleptic iridium complexes are disclosed. The complexes contain a phenyl pyridine ligand and another ligand containing a dibenzofuran, dibenzothiophene, dibenzoselenophene, or carbazole linked to an imidazole or benzimidazole fragment. These complexes are useful materials when incorporated into OLED devices.
    Type: Grant
    Filed: January 17, 2012
    Date of Patent: February 19, 2019
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Bin Ma, Zeinab M. Elshenawy, Chuanjun Xia
  • Patent number: 9831442
    Abstract: A new class of compounds containing aza-dibenzothiophene or aza-dibenzofuran are provided. The compounds may be used in organic light emitting devices giving improved stability, improved efficiency, long lifetime and low operational voltage. In particular, the compounds may be used as the host material of an emissive layer having a host and an emissive dopant, or as a material in an enhancement layer.
    Type: Grant
    Filed: November 4, 2016
    Date of Patent: November 28, 2017
    Assignee: Universal Display Corporation
    Inventors: Chun Lin, Bin Ma, Raymond Kwong, Alexey Borisovich Dyatkin, Yonggang Wu, Zeinab M. Elshenawy
  • Publication number: 20170077417
    Abstract: A new class of compounds containing aza-dibenzothiophene or aza-dibenzofuran are provided. The compounds may be used in organic light emitting devices giving improved stability, improved efficiency, long lifetime and low operational voltage. In particular, the compounds may be used as the host material of an emissive layer having a host and an emissive dopant, or as a material in an enhancement layer.
    Type: Application
    Filed: November 4, 2016
    Publication date: March 16, 2017
    Applicant: Universal Display Corporation
    Inventors: Chun LIN, Bin MA, Raymond KWONG, Alexey Borisovich DYATKIN, Yonggang WU, Zeinab M. ELSHENAWY
  • Patent number: 9518063
    Abstract: A new class of compounds containing aza-dibenzothiophene or aza-dibenzofuran are provided. The compounds may be used in organic light emitting devices giving improved stability, improved efficiency, long lifetime and low operational voltage. In particular, the compounds may be used as the host material of an emissive layer having a host and an emissive dopant, or as a material in an enhancement layer.
    Type: Grant
    Filed: June 10, 2015
    Date of Patent: December 13, 2016
    Assignee: Universal Display Corporation
    Inventors: Chun Lin, Bin Ma, Raymond Kwong, Alexey Borisovich Dyatkin, Yonggang Wu, Zeinab M. Elshenawy
  • Publication number: 20150274749
    Abstract: A new class of compounds containing aza-dibenzothiophene or aza-dibenzofuran are provided. The compounds may be used in organic light emitting devices giving improved stability, improved efficiency, long lifetime and low operational voltage. In particular, the compounds may be used as the host material of an emissive layer having a host and an emissive dopant, or as a material in an enhancement layer.
    Type: Application
    Filed: June 10, 2015
    Publication date: October 1, 2015
    Applicant: Universal Display Corporation
    Inventors: Chun LIN, Bin MA, Raymond KWONG, Alexey Borisovich DYATKIN, Yonggang WU, Zeinab M. ELSHENAWY
  • Patent number: 9067947
    Abstract: A new class of compounds containing aza-dibenzothiophene or aza-dibenzofuran are provided. The compounds may be used in organic light emitting devices giving improved stability, improved efficiency, long lifetime and low operational voltage. In particular, the compounds may be used as the host material of an emissive layer having a host and an emissive dopant, or as a material in an enhancement layer.
    Type: Grant
    Filed: December 28, 2009
    Date of Patent: June 30, 2015
    Assignee: Universal Display Corporation
    Inventors: Chun Lin, Bin Ma, Raymond Kwong, Alexey Borisovich Dyatkin, Wu Yonggang, Zeinab M. Elshenawy
  • Patent number: 8952363
    Abstract: A new class of compounds containing aza-dibenzothiophene or aza-dibenzofuran are provided. The compounds may be used in organic light emitting devices giving improved stability, improved efficiency, long lifetime and low operational voltage. In particular, the compounds may be used as the host material of an emissive layer having a host and an emissive dopant, or as a material in an enhancement layer.
    Type: Grant
    Filed: September 6, 2012
    Date of Patent: February 10, 2015
    Assignee: Universal Display Corporation
    Inventors: Chun Lin, Alexey Borisovich Dyatkin, Zeinab M. Elshenawy
  • Publication number: 20130181190
    Abstract: Novel heteroleptic iridium complexes are disclosed. The complexes contain a phenyl pyridine ligand and another ligand containing a dibenzofuran, dibenzothiophene, dibenzoselenophene, or carbazole linked to an imidazole or benzimidazole fragment. These complexes are useful materials when incorporated into OLED devices.
    Type: Application
    Filed: January 17, 2012
    Publication date: July 18, 2013
    Applicant: Universal Display Corporation
    Inventors: Bin Ma, Zeinab M. Elshenawy, Chuanjun Xia
  • Publication number: 20130060037
    Abstract: A new class of compounds containing aza-dibenzothiophene or aza-dibenzofuran are provided. The compounds may be used in organic light emitting devices giving improved stability, improved efficiency, long lifetime and low operational voltage. In particular, the compounds may be used as the host material of an emissive layer having a host and an emissive dopant, or as a material in an enhancement layer.
    Type: Application
    Filed: September 6, 2012
    Publication date: March 7, 2013
    Applicant: Universal Display Corporation
    Inventors: Chun Lin, Bin Ma, Raymond Kwong, Alexey Borisovich Dyatkin, Wu Yonggang, Zeinab M. Elshenawy
  • Patent number: 8193118
    Abstract: Certain substituted benzylamino heterocyclic and heteroaryl derivatives have provided unexpected insecticidal and acaricidal activity. These compounds are represented by formula (I): wherein R, R1, R2, R3, and R4 are fully described herein. In addition, compositions comprising an insecticidally effective amount of at least one compound of formula (I), and optionally, an effective amount of at least one of an additional compound, with at least one insecticidally compatible carrier are also disclosed; along with methods of controlling insects comprising applying said compositions to a locus where insects are present or are expected to be present.
    Type: Grant
    Filed: May 19, 2006
    Date of Patent: June 5, 2012
    Assignee: FMC Corporation
    Inventors: John A. Dixson, George Theodoridis, Zeinab M. Elshenawy, Benjamin J. Dugan, Manorama M. Patel, Edward J. Barron, Stephen F. Donovan
  • Patent number: 8178567
    Abstract: Certain substituted amino heterocyclic and heteroaryl derivatives have provided unexpected insecticidal and acaricidal activity. These compounds are represented by formula (I): wherein R, R1, R2, R3, R4, A, B and Q are fully described herein. In addition, compositions comprising an insecticidally effective amount of at least one compound of formula I, and optionally, an effective amount of at least one of an additional compound, with at least one insecticidally compatible carrier are also disclosed; along with methods of controlling insects comprising applying said compositions to a locus where insects are present or are expected to be present.
    Type: Grant
    Filed: February 2, 2007
    Date of Patent: May 15, 2012
    Assignee: FMC Corporation
    Inventors: John A. Dixson, Benjamin J. Dugan, Zeinab M. Elshenawy, Edward J. Barron, Stephen F. Donovan, Manorama M. Patel, George Theodoridis, Roland Andree, Hans-Georg Schwarz, Eva-Maria Franken, Olga Malsam, Christian Arnold
  • Patent number: 7767667
    Abstract: It has now been found that certain novel heterocyclic derivitives have provided unexpected insecticidal activity. These compounds are represented by formula (I): R Preferred are those compounds of formula (I) where R2 and R3 taken together is ?NCH(R6)CH(R7)N(R8)—, ?NC(R6)?C(R7)N(R8)—, or ?CHN?C(R7)N(R8)—, and tautomers thereof, and where R4 and R5 taken together is —C(R11)?C(R12)C(R13)?C(R14) 1 12, -, where R,R,R6, R7, R8, RI1, R R13, R14, and X are described. In addition, compositions comprising an insecticidally effective amount of at least one compound of formula (I), and optionally, an effective amount of at least one of a second compound with at least one insecticidally compatable carrier are also disclosed; along with methods of controlling insects comprising applying said compositions to a locus where insects are present or are expected to be present.
    Type: Grant
    Filed: August 22, 2008
    Date of Patent: August 3, 2010
    Assignee: FMC Corporation
    Inventors: John A. Dixson, Zeinab M. Elshenawy, Harvey R. Wendt, Saroj Sehgel, Robert H. Henrie, II, David M. Roush, Ping Ding, John W. Lyga, Stephen F. Donovan
  • Publication number: 20100187984
    Abstract: A new class of compounds containing aza-dibenzothiophene or aza-dibenzofuran are provided. The compounds may be used in organic light emitting devices giving improved stability, improved efficiency, long lifetime and low operational voltage. In particular, the compounds may be used as the host material of an emissive layer having a host and an emissive dopant, or as a material in an enhancement layer.
    Type: Application
    Filed: December 28, 2009
    Publication date: July 29, 2010
    Applicant: Universal Display Corporation
    Inventors: Chun Lin, Bin Ma, Raymond Kwong, Alexey Borisovich Dyatkin, Wu Yonggang, Zeinab M. Elshenawy
  • Publication number: 20100137385
    Abstract: Certain substituted amino heterocyclic and heteroaryl derivatives have provided unexpected insecticidal and acaricidal activity. These compounds are represented by formula (I): wherein R, R1, R2, R3, R4, A, B and Q are fully described herein. In addition, compositions comprising an insecticidally effective amount of at least one compound of formula I, and optionally, an effective amount of at least one of an additional compound, with at least one insecticidally compatible carrier are also disclosed; along with methods of controlling insects comprising applying said compositions to a locus where insects are present or are expected to be present.
    Type: Application
    Filed: February 2, 2007
    Publication date: June 3, 2010
    Applicant: Bayer CropScience AG
    Inventors: John A. Dixon, Benjamin J. Dugan, Zeinab M. Elshenawy, Edward J. Barron, Stephen F. Donovan, Manorama M. Patel, George Theodoridis, Roland Andree, Hans-Georg Schwarz, Eva-Maria Franken, Olga Malsam, Christian Arnold
  • Publication number: 20090209422
    Abstract: Certain substituted aminoalkyl heteroaryl and heterocyclyl derivatives have provided unexpected insecticidal and acaricidal activity. These compounds are represented by formula I: wherein R, R1, R2, R3 and R4 are folly described herein. In addition, compositions comprising an insecticidally effective amount of at least one compound of formula I, and optionally, an effective amount of at least one of an additional compound, with at least one insecticidally compatible carrier are also disclosed; along with methods of controlling insects comprising applying said compositions to a locus where insects are present or are expected to be present.
    Type: Application
    Filed: May 2, 2006
    Publication date: August 20, 2009
    Applicant: Bayer CropScience AG
    Inventors: John A. Dixson, George Theodoridis, Zeinab M. Elshenawy, Benjamin J. Dugan, Manorama M. Patel, John W. Lyga, Stephen F. Donovan, Ping Ding
  • Publication number: 20090036306
    Abstract: Certain substituted benzylamino heterocyclic and heteroaryl derivatives have provided unexpected insecticidal and acaricidal activity. These compounds are represented by formula (1): wherein R, R1, R2, R3, and R4 are fully described herein. In addition, compositions comprising an insecticidally effective amount of at least one compound of formula (1), and optionally, an effective amount of at least one of an additional compound, with at least one insecticidally compatible carrier are also disclosed; along with methods of controlling insects comprising applying said compositions to a locus where insects are present or are expected to be present.
    Type: Application
    Filed: May 19, 2006
    Publication date: February 5, 2009
    Applicant: Bayer CropScience AG
    Inventors: John A. Dixson, George Theodoridis, Zeinab M. Elshenawy, Benjamin J. Dugan, Manorama M. Patel, Edward J. Barron, Stephen F. Donovan
  • Publication number: 20090012070
    Abstract: It has now been found that certain novel heterocyclic derivatives have provided unexpected insecticidal activity. These compounds are represented by formula (I): R Preferred are those compounds of formula (I) where R2 and R3 taken together is ?NCH(R6)CH(R7)N(R8)—, ?NC(R6)=C(R7)N(R8)-, or ?CHN?C(R7)N(R8)—, and tautomers thereof, and where R4 and R5 taken together is —C(R11)=C(R12)C(R13)=C(R14) 112, -, where R, R, R6, R7, R8, R11, R R13, R14, and X are described. In addition, compositions comprising an insecticidally effective amount of at least one compound of formula (I), and optionally, an effective amount of at least one of a second compound, with at least one insecticidally compatible carrier are also disclosed; along with methods of controlling insects comprising applying said compositions to a locus where insects are present or are expected to be present.
    Type: Application
    Filed: August 22, 2008
    Publication date: January 8, 2009
    Applicant: Bayer Cropscience AG
    Inventors: John A. Dixson, Zeinab M. Elshenawy, Harvey R. Wendt, Saroj Sehgel, Robert H. Henrie, II, David M. Roush, Ping Ding, John W. Lyga, Stephen F. Donovan
  • Patent number: 7417057
    Abstract: It has now been found that certain novel heterocyclic derivatives have provided unexpected insecticidal activity. These compounds are represented by formula (I): R Preferred are those compounds of formula (I) where R2 and R3 taken together is ?NCH(R6)CH(R7)N(R8)—, ?NC(R6)?C(R7)N(R8)—, or ?CHN?C(R7)N(R8)—, and tautomers thereof, and where R4 and R5 taken together is —C(R11)?C(R12)C(R13)?C(R14) 1 12, —, where R,R,R 6, R 7, R8, R I1, R R 13, R 14, and X are described.
    Type: Grant
    Filed: April 28, 2003
    Date of Patent: August 26, 2008
    Assignee: Bayer Cropscience AG
    Inventors: John A. Dixson, Zeinab M. Elshenawy, Harvey R. Wendt, Saroj Sehgel, Robert H. Henrie, II, David M. Roush, Ping Ding, John W. Lyga, Stephen F. Donovan