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).
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Patent number: 10211413Abstract: 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: GrantFiled: January 17, 2012Date of Patent: February 19, 2019Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: Bin Ma, Zeinab M. Elshenawy, Chuanjun Xia
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Patent number: 9831442Abstract: 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: GrantFiled: November 4, 2016Date of Patent: November 28, 2017Assignee: Universal Display CorporationInventors: Chun Lin, Bin Ma, Raymond Kwong, Alexey Borisovich Dyatkin, Yonggang Wu, Zeinab M. Elshenawy
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Publication number: 20170077417Abstract: 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: ApplicationFiled: November 4, 2016Publication date: March 16, 2017Applicant: Universal Display CorporationInventors: Chun LIN, Bin MA, Raymond KWONG, Alexey Borisovich DYATKIN, Yonggang WU, Zeinab M. ELSHENAWY
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Patent number: 9518063Abstract: 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: GrantFiled: June 10, 2015Date of Patent: December 13, 2016Assignee: Universal Display CorporationInventors: Chun Lin, Bin Ma, Raymond Kwong, Alexey Borisovich Dyatkin, Yonggang Wu, Zeinab M. Elshenawy
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Publication number: 20150274749Abstract: 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: ApplicationFiled: June 10, 2015Publication date: October 1, 2015Applicant: Universal Display CorporationInventors: Chun LIN, Bin MA, Raymond KWONG, Alexey Borisovich DYATKIN, Yonggang WU, Zeinab M. ELSHENAWY
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Patent number: 9067947Abstract: 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: GrantFiled: December 28, 2009Date of Patent: June 30, 2015Assignee: Universal Display CorporationInventors: Chun Lin, Bin Ma, Raymond Kwong, Alexey Borisovich Dyatkin, Wu Yonggang, Zeinab M. Elshenawy
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Patent number: 8952363Abstract: 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: GrantFiled: September 6, 2012Date of Patent: February 10, 2015Assignee: Universal Display CorporationInventors: Chun Lin, Alexey Borisovich Dyatkin, Zeinab M. Elshenawy
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Publication number: 20130181190Abstract: 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: ApplicationFiled: January 17, 2012Publication date: July 18, 2013Applicant: Universal Display CorporationInventors: Bin Ma, Zeinab M. Elshenawy, Chuanjun Xia
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Publication number: 20130060037Abstract: 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: ApplicationFiled: September 6, 2012Publication date: March 7, 2013Applicant: Universal Display CorporationInventors: Chun Lin, Bin Ma, Raymond Kwong, Alexey Borisovich Dyatkin, Wu Yonggang, Zeinab M. Elshenawy
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Patent number: 8193118Abstract: 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: GrantFiled: May 19, 2006Date of Patent: June 5, 2012Assignee: FMC CorporationInventors: John A. Dixson, George Theodoridis, Zeinab M. Elshenawy, Benjamin J. Dugan, Manorama M. Patel, Edward J. Barron, Stephen F. Donovan
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Patent number: 8178567Abstract: 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: GrantFiled: February 2, 2007Date of Patent: May 15, 2012Assignee: FMC CorporationInventors: 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
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Patent number: 7767667Abstract: 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: GrantFiled: August 22, 2008Date of Patent: August 3, 2010Assignee: FMC CorporationInventors: 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
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Publication number: 20100187984Abstract: 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: ApplicationFiled: December 28, 2009Publication date: July 29, 2010Applicant: Universal Display CorporationInventors: Chun Lin, Bin Ma, Raymond Kwong, Alexey Borisovich Dyatkin, Wu Yonggang, Zeinab M. Elshenawy
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Publication number: 20100137385Abstract: 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: ApplicationFiled: February 2, 2007Publication date: June 3, 2010Applicant: Bayer CropScience AGInventors: 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
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Publication number: 20090209422Abstract: 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: ApplicationFiled: May 2, 2006Publication date: August 20, 2009Applicant: Bayer CropScience AGInventors: John A. Dixson, George Theodoridis, Zeinab M. Elshenawy, Benjamin J. Dugan, Manorama M. Patel, John W. Lyga, Stephen F. Donovan, Ping Ding
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Publication number: 20090036306Abstract: 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: ApplicationFiled: May 19, 2006Publication date: February 5, 2009Applicant: Bayer CropScience AGInventors: John A. Dixson, George Theodoridis, Zeinab M. Elshenawy, Benjamin J. Dugan, Manorama M. Patel, Edward J. Barron, Stephen F. Donovan
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Publication number: 20090012070Abstract: 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: ApplicationFiled: August 22, 2008Publication date: January 8, 2009Applicant: Bayer Cropscience AGInventors: 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
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Patent number: 7417057Abstract: 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: GrantFiled: April 28, 2003Date of Patent: August 26, 2008Assignee: Bayer Cropscience AGInventors: 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