Patents by Inventor Ashok Kumar Mishra
Ashok Kumar Mishra 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: 11390794Abstract: The invention relates to a process for mineral oil production, in which an aqueous saline surfactant formulation comprising a surfactant mixture of at least one anionic surfactant of the general formula R1—O—(CH2C(CH3)HO)x—(CH2CH2O)y—SO3M and at least one anionic surfactant of the general formula R2—O—(CH2CH2O)z—SO3M and a base is injected through injection boreholes into a mineral oil deposit, and crude oil is withdrawn from the deposit through production boreholes. The invention further relates to the surfactant mixture, a concentrate comprising the surfactant mixture and a manufacturing process as well as the use of the surfactant mixture and the con- centrate in the production of mineral oil from underground mineral oil deposits.Type: GrantFiled: September 19, 2018Date of Patent: July 19, 2022Assignee: BASF SEInventors: Christian Bittner, Ashok Kumar Mishra, Kathrin Cohen, Clara Maria Hernandez Morales, Prapas Lohateeraparp, Hans-Christian Raths, Michael Bueschel, Gabriela Alvarez Juergenson, Thomas Altmann, Benjamin Wenzke
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Publication number: 20200216747Abstract: The invention relates to a process for mineral oil production, in which an aqueous saline surfactant formulation comprising a surfactant mixture of at least one anionic surfactant of the general formula R1—O—(CH2C(CH3)HO)x, —(CH2CH2O)y—SO3M and at least one amionic surfactant of the general formula R2—O—(CH2CH2O)2—SO3M and a base is injected through injection boreholes into a mineral oil deposit, and crude oil is withdrawn from the deposit through production boreholes. The invention further relates to the surfactant mixture, a concentrate comprising the surfactant mixture and a manufacturing process as well as the use of the surfactant mixture and the con- centrate in the production of mineral oil from underground mineral oil deposits.Type: ApplicationFiled: September 19, 2018Publication date: July 9, 2020Inventors: Christian BITTNER, Ashok Kumar MISHRA, Kathrin COHEN, Clara Maria HERNANDEZ MORALES, Prapas LOHATEERAPARP, Hans-Christian RATHS, Michael BUESCHEL, Gabriela ALVAREZ JUERGENSON, Thomas ALTMANN, Benjamin WENZKE
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Patent number: 9780315Abstract: The present invention provides compounds of formula (1) wherein o is 1, 2 or 3, p is 0, 1 or 2, n is 0, 1 or 2, m is 0, 1 or 2, and A is a mono- or polycyclic ring system, which may contain at least one heteroatom, and an electronic device comprising the compounds as semiconducting material.Type: GrantFiled: November 25, 2013Date of Patent: October 3, 2017Assignee: BASF SEInventors: Chongjun Jiao, Iori Doi, Hans Jürg Kirner, Mi Zhou, Thomas Weitz, Ashok Kumar Mishra
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Patent number: 9650461Abstract: Disclosed herein are new semiconductor materials prepared from dithienylvinylene copolymers with aromatic or heteroaromatic ?-conjugated systems. Such copolymers, with little or no post-deposition heat treatment, can exhibit high charge carrier mobility and/or good current modulation characteristics. In addition, the polymers of the present disclosure can possess certain processing advantages such as improved solution-processability and low annealing temperature.Type: GrantFiled: November 19, 2015Date of Patent: May 16, 2017Assignees: BASF SE, FLEXTERRA, INC.Inventors: Ashok Kumar Mishra, Subramanian Vaidyanathan, Hiroyoshi Noguchi, Florian Doetz, Silke Koehler, Marcel Kastler
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Patent number: 9644068Abstract: The present invention provides a polymer comprising a unit of formula, wherein R1 and R2 are independently from each other C1-30-alkyl, C2-30-alkenyl, C2-30-alkynyl, phenyl or a 5 to 8 membered heterocyclic ring system, wherein each of the C1-30-alkyl, C2-30-alkenyl or C2-30-alkynyl group may be substituted with 1 to 10 substituents independently selected from the group consisting of halogen, —CN, —NO2, —OH, —NH2, —NH(C1-20-alkyl), —N(C1-20-alkyl)2, —NH—C(O)—(C1-20-alkyl), —S(O)2OH, —CHO, —C(O)—C1-20-alkyl, —C(O)OH, —C(O)—OC1-20-alkyl, —C(O)NH2, —CO(O)NH—C1-20-alkyl, —C(O)N(C1-20-alkyl)2, —O—C1-20-alkyl, —O—C(O)—C1-20-alkyl, —SiH3, SiH2(C1-20-alkyl), SiH(C1-20-alkyl)2, Si(C1-20-alkyl)3, C4-8-cycloalkyl, phenyl and a 5 to 8 membered heterocyclic ring system, and phenyl and the 5 to 8 membered heterocyclic ring system may be substituted with 1 to 5 C1-16-alkyl groups, is 1, 2 or 3 and n is an integer from 2 to 10'000, a process for the preparation of the polymer and an electronic device comprising the pType: GrantFiled: December 12, 2013Date of Patent: May 9, 2017Assignees: BASF SE, FLEXTERRA, INC.Inventors: Ashok Kumar Mishra, Yucui Guan, Hiroyoshi Noguchi, Mi Zhou, Chongjun Jiao, Florian Dötz
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Patent number: 9570688Abstract: The present invention provides semiconducting compounds, oligomers and polymers of formula wherein A1 and A2 can be the same or different and are S or Se, E is selected from the group consisting of The compounds, oligomers and polymers of formula of formula (1) are suitable for use in electronic devices such as organic field effect transistors.Type: GrantFiled: February 12, 2015Date of Patent: February 14, 2017Assignees: BASF SE, Polyera CorporationInventors: Ashok Kumar Mishra, Subramanian Vaidyanathan, Hiroyoshi Noguchi, Florian Doetz, Bo Zhu, Johan Sebastian Basuki
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Publication number: 20160075808Abstract: Disclosed herein are new semiconductor materials prepared from dithienylvinylene copolymers with aromatic or heteroaromatic ?-conjugated systems. Such copolymers, with little or no post-deposition heat treatment, can exhibit high charge carrier mobility and/or good current modulation characteristics. In addition, the polymers of the present disclosure can possess certain processing advantages such as improved solution-processability and low annealing temperature.Type: ApplicationFiled: November 19, 2015Publication date: March 17, 2016Inventors: Ashok Kumar MISHRA, Subramanian Vaidyanathan, Hiroyoshi Noguchi, Florian Doetz, Silke Koehler, Marcel Kastler
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Patent number: 9231215Abstract: Phenacene compounds of formula (I) are disclosed. All the variables in the formula are the same as defined in the description. A thin film semiconductor comprising the above compounds, and a field effect transistor device, a photovoltaic device, an organic light emitting diode device and a unipolar or complementary circuit device comprising the thin film are also disclosed.Type: GrantFiled: April 29, 2013Date of Patent: January 5, 2016Assignee: BASF SEInventors: Florian Doetz, Thomas Weitz, Jiao Chongjun, Hiroyoshi Noguchi, Ang Sweemeng, Mi Zhou, Doi Iori, Ashok Kumar Mishra
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Patent number: 9221944Abstract: Disclosed are new semiconductor materials prepared from dithienylvinylene copolymers with aromatic or heteroaromatic ?-conjugated systems. Such copolymers, with little or no post-deposition heat treatment, can exhibit high charge carrier mobility and/or good current modulation characteristics. In addition, the polymers of the present teachings can possess certain processing advantages such as improved solution-processability and low annealing temperature.Type: GrantFiled: December 16, 2009Date of Patent: December 29, 2015Assignees: BASF SE, Polyera CorporationInventors: Ashok Kumar Mishra, Subramanian Vaidyanathan, Hiroyoshi Noguchi, Florian Doetz, Silke Koehler, Marcel Kastler
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Publication number: 20150333264Abstract: The present invention provides a polymer comprising a unit of formula, wherein R1 and R2 are independently from each other C1-30-alkyl, C2-30-alkenyl, C2-30-alkynyl, phenyl or a 5 to 8 membered heterocyclic ring system, wherein each of the C1-30-alkyl, C2-30-alkenyl or C2-30-alkynyl group may be substituted with 1 to 10 substituents independently selected from the group consisting of halogen, —CN, —NO2, —OH, —NH2, —NH(C1-20-alkyl), —N(C1-20-alkyl)2, —NH—C(O)—(C1-20-alkyl), —S(O)2OH, —CHO, —C(O)—C1-20-alkyl, —C(O)OH, —C(O)—OC1-20-alkyl, —C(O)NH2, —CO(O)NH—C1-20-alkyl, —C(O)N(C1-20-alkyl)2, —O—C1-20-alkyl, —O—C(O)—C1-20-alkyl, —SiH3, SiH2(C1-20-alkyl), SiH(C1-20-alkyl)2, Si(C1-20-alkyl)3, C4-8-cycloalkyl, phenyl and a 5 to 8 membered heterocyclic ring system, and phenyl and the 5 to 8 membered heterocyclic ring system may be substituted with 1 to 5 C1-16-alkyl groups, is 1, 2 or 3 and n is an integer from 2 to 10'000, a process for the preparation of the polymer and an electronic device comprising the pType: ApplicationFiled: December 12, 2013Publication date: November 19, 2015Applicants: BASF SE, POLYERA CORPORATIONInventors: Ashok Kumar MISHRA, Yucui GUAN, Hiroyoshi NOGUCHI, Mi ZHOU, Chongjun JIAO, Florian DÖTZ
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Publication number: 20150318496Abstract: The present invention provides compounds of formula (1) wherein o is 1, 2 or 3, p is 0, 1 or 2, n is 0, 1 or 2, m is 0, 1 or 2, and A is a mono- or polycyclic ring system, which may contain at least one heteroatom, and an electronic device comprising the compounds as semiconducting material.Type: ApplicationFiled: November 25, 2013Publication date: November 5, 2015Inventors: Chongjun JIAO, Iori DOI, Hans Jürg KIRNER, Mi ZHOU, Thomas WEITZ, Ashok Kumar MISHRA
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Publication number: 20150162546Abstract: The present invention provides semiconducting compounds, oligomers and polymers of formula wherein A1 and A2 can be the same or different and are S or Se, E is selected from the group consisting of The compounds, oligomers and polymers of formula of formula (1) are suitable for use in electronic devices such as organic field effect transistors.Type: ApplicationFiled: February 12, 2015Publication date: June 11, 2015Applicants: BASF SE, POLYERA CORPORATIONInventors: Ashok Kumar MISHRA, Subramanian VAIDYANATHAN, Hiroyoshi NOGUCHI, Florian DOETZ, Bo ZHU, Johan Sebastian BASUKI
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Publication number: 20150126751Abstract: Phenacene compounds of formula (I) are disclosed. All the variables in the formula are the same as defined in the description. A thin film semiconductor comprising the above compounds, and a field effect transistor device, a photovoltaic device, an organic light emitting diode device and a unipolar or complementary circuit device comprising the thin film are also disclosed.Type: ApplicationFiled: April 29, 2013Publication date: May 7, 2015Applicant: BASF SEInventors: Florian Doetz, Thomas Weitz, Jiao Chongjun, Hiroyoshi Noguchi, Ang Sweemeng, Mi Zhou, Doi Iori, Ashok Kumar Mishra
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Patent number: 9006725Abstract: The invention concerns apolymer of the formula (I): wherein: M1 is an optionally substituted dithienophthalimide formula (II): wherein: X is N or C—R, wherein R is H or a C1-C40 alkyl group, R2, at each occurrence, is independently selected from H, a C1-40 alkyl group, a C2-40 alkenyl group, a C1-40 haloalkyl group, and a monocyclicor polycyclic moiety, wherein: each of the C1-40 alkyl group, the C2-40 alkenyl group, and the C1-40 haloalkyl group can be optionally substituted with 1-10 substituents independently selected from a halogen, CN, —NO2, OH, NH2, —NH(C1-20 alkyl), N(C1-20 alkyl)2, —S(O)2OH, —CHO, —C(O)—C1-20 alkyl, —C(O)OH, —C(O)—OC1-20 alkyl, —C(O)NH2, —C(O)NH—C1-20 alkyl, —C(O)N(C1-20 alkyl)2, —OC1-20 alkyl, —SiH3, —SiH(C1-20 alkyl)2, —SiH2(C1-20 alkyl), and —Si(C1-20 alkyl)3; and the monocyclic or polycyclic moiety can be covalently bonded to the imide nitrogen via an optional linker, and can be optionally substituted with 1-5 substituentsindependently selected from a halogen, oxo, —CN, —NO2, OH,Type: GrantFiled: July 4, 2012Date of Patent: April 14, 2015Assignee: BASF SEInventors: Hiroyoshi Noguchi, Florian Doetz, Ashok Kumar Mishra, Subramanian Vaidyanathan, Mai Minh-Tien
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Publication number: 20140142265Abstract: The invention concerns apolymer of the formula (I): wherein: M1 is an optionally substituted dithienophthalimide formula (II): wherein: X is N or C—R, wherein R is H or a C1-C40 alkyl group, R2, at each occurrence, is independently selected from H, a C1-40 alkyl group, a C2-40 alkenyl group, a C1-40 haloalkyl group, and a monocyclicor polycyclic moiety, wherein: each of the C1-40 alkyl group, the C2-40 alkenyl group, and the C1-40 haloalkyl group can be optionally substituted with 1-10 substituents independently selected from a halogen, CN, —NO2, OH, NH2, —NH(C1-20 alkyl), N(C1-20 alkyl)2, —S(O)2OH, —CHO, —C(O)—C1-20 alkyl, —C(O)OH, —C(O)—OC1-20 alkyl, —C(O)NH2, —C(O)NH—C1-20 alkyl, —C(O)N(C1-20 alkyl)2, —OC1-20 alkyl, —SiH3, —SiH(C1-20 alkyl)2, —SiH2(C1-20 alkyl), and —Si(C1-20 alkyl)3; and the monocyclic or polycyclic moiety can be covalently bonded to the imide nitrogen via an optional linker, and can be optionally substituted with 1-5 substituentsindependently selected from a halogen, oxo, —CN, —NO2, OH,Type: ApplicationFiled: July 4, 2012Publication date: May 22, 2014Applicant: BASFInventors: Hiroyoshi Noguchi, Florian Doetz, Ashok Kumar Mishra, Subramanian Vaidyanathan, Mai Minh-Tien
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Patent number: 8466460Abstract: A polymer comprising repeating units A and optionally repeating units B wherein Z=S, Se, N—R and O; W is at each occurrence independently a monocyclic or polycylic moiety optionally substituted with 1-4 Ra groups; Y, at each occurrence, is independently a divalent C1-6 alkyl group, a divalent C1-6 haloalkyl group, or a covalent bond; c is from 1 to 6.Type: GrantFiled: May 26, 2010Date of Patent: June 18, 2013Assignees: BASF SE, Polyera CorporationInventors: Ashok Kumar Mishra, Subramanian Vaidyanathan, Hiroyoshi Noguchi, Florian Doetz, Silke Annika Koehler, Marcel Kastler
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Publication number: 20130144065Abstract: The present invention provides semiconducting compounds, oligomers and polymers of formula wherein A1 and A2 can be the same or different and are S or Se, E is selected from the group consisting of The compounds, oligomers and polymers of formula of formula (1) are suitable for use in electronic devices such as organic field effect transistors.Type: ApplicationFiled: July 29, 2011Publication date: June 6, 2013Applicants: Polyera Corporation, BASF SEInventors: Ashok Kumar Mishra, Subramanian Vaidyanathan, Hiroyoshi Noguchi, Florian Doetz, Bo Zhu, Johan Sebastian Basuki
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Patent number: 8436127Abstract: The present invention provides a polymer comprising a unit of formula and an electronic device comprising the polymer as semiconducting material.Type: GrantFiled: April 24, 2012Date of Patent: May 7, 2013Assignee: BASF SEInventors: Ashok Kumar Mishra, Subramanian Vaidyanathan, Hiroyoshi Noguchi, Florian Dötz, Yucui Guan
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Patent number: 8431680Abstract: The present invention provides a polymer comprising a unit of formula and an electronic device comprising the polymer as semiconducting material.Type: GrantFiled: April 24, 2012Date of Patent: April 30, 2013Assignee: BASF SEInventors: Ashok Kumar Mishra, Subramanian Vaidyanathan, Hiroyoshi Noguchi, Florian Doetz, Bo Zhu
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Patent number: 8394919Abstract: The present invention provides a polymer comprising a unit of formula The present invention also provides an electronic device comprising the polymer as semiconducting material.Type: GrantFiled: April 24, 2012Date of Patent: March 12, 2013Assignee: BASF SEInventors: Ashok Kumar Mishra, Subramanian Vaidyanathan, Hiroyoshi Noguchi, Florian Dötz, Yucui Guan