Patents by Inventor Subramanian Vaidyanathan
Subramanian Vaidyanathan 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: 11357186Abstract: The present invention provides medium compositions and methods for the regeneration of the whole plant from explants obtained from plants belonging to the Malvaceae family, particularly the Abelmoschus genus, more preferably Abelmoschus esculentus L, through somatic embryogenesis. The present invention also provides an efficient methodology for genetic transformation of plants belonging to the Malvaceae family through somatic embryogenesis in semisolid culture with the use of the Agrobacterium. The present invention is also related to a method for the development of virus-resistant transgenic plants belonging to the Malvaceae family.Type: GrantFiled: February 28, 2020Date of Patent: June 14, 2022Assignee: RASI SEEDS PRIVATE LIMITEDInventors: Poovannan Kandasami, Sabaripriya Ravindran, Mohanraj Perumal, Manonmani Elangovan, Packialakshmi Maruthayee Rajendran, Saravanakumar Marappan, Subramanian Vaidyanathan, Ramasami Muthugounder
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Publication number: 20200196549Abstract: The present invention provides medium compositions and methods for the regeneration of the whole plant from explants obtained from plants belonging to the Malvaceae family, particularly the Abelmoschus genus, more preferably Abelmoschus esculentus L, through somatic embryogenesis. The present invention also provides an efficient methodology for genetic transformation of plants belonging to the Malvaceae family through somatic embryogenesis in semisolid culture with the use of the Agrobacterium. The present invention is also related to a method for the development of virus-resistant transgenic plants belonging to the Malvaceae family.Type: ApplicationFiled: February 28, 2020Publication date: June 25, 2020Applicant: RASI SEEDS PRIVATE LIMITEDInventors: Poovannan Kandasami, Sabaripriya Ravindran, Mohanraj Perumal, Manonmani Elangovan, Packialakshmi Maruthayee Rajendran, Saravanakumar Marappan, Subramanian Vaidyanathan, Ramasami Muthugounder
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Patent number: 10645888Abstract: The present invention provides medium compositions and methods for the regeneration of the whole plant from explants obtained from plants belonging to the Malvaceae family, particularly the Abelmoschus genus, more preferably Abelmoschus esculentus L, through somatic embryogenesis. The present invention also provides an efficient methodology for genetic transformation of plants belonging to the Malvaceae family through somatic embryogenesis in semisolid culture with the use of the Agrobacterium. The present invention is also related to a method for the development of virus-resistant transgenic plants belonging to the Malvaceae family.Type: GrantFiled: January 27, 2016Date of Patent: May 12, 2020Assignee: RASI SEEDS PRIVATE LIMITEDInventors: Poovannan Kandasami, Sabaripriya Ravindran, Mohanraj Perumal, Manonmani Elangovan, Packialakshmi Maruthayee Rajendran, Saravanakumar Marappan, Subramanian Vaidyanathan, Ramasami Muthugounder
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Patent number: 10005879Abstract: A method for producing an organic semiconductor device (110) having at least one organic semiconducting material (122) and at least two electrodes (114) adapted to support an electric charge carrier transport through the organic semiconducting material (122) is disclosed. The organic semiconducting material (122) intrinsically has ambipolar semiconducting properties. The method comprises at least one step of generating at least one intermediate layer (120) which at least partially is interposed between the organic semiconducting material (122) and at least one of the electrodes (114) of the organic semiconductor device (110). The intermediate layer (120) comprises at least one thiol compound having the general formula HS—R, wherein R is an organic residue. The thiol compound has an electric dipole moment pointing away from the SH-group of the thiol compound. The electric dipole moment has at least the same magnitude as the electric dipole moment in 4-Phenylthiophenol.Type: GrantFiled: February 3, 2012Date of Patent: June 26, 2018Assignee: BASF SEInventors: Subramanian Vaidyanathan, Marcel Kastler, Bertha Tan, Mi Zhou
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Publication number: 20180116143Abstract: The present invention provides medium compositions and methods for the regeneration of the whole plant from explants obtained from plants belonging to the Malvaceae family, particularly the Abelmoschus genus, more preferably Abelmoschus esculentus L, through somatic embryogenesis. The present invention also provides an efficient methodology for genetic transformation of plants belonging to the Malvaceae family through somatic embryogenesis in semisolid culture with the use of the Agrobacterium. The present invention is also related to a method for the development of virus-resistant transgenic plants belonging to the Malvaceae family.Type: ApplicationFiled: January 27, 2016Publication date: May 3, 2018Applicant: RASI SEEDS PRIVATE LIMITEDInventors: POOVANNAN KANDASAMI, SABARIPRIYA RAVINDRAN, MOHANRAJ PERUMAL, MANONMANI ELANGOVAN, PACKIALAKSHMI MARUTHAYEE RAJENDRAN, SARAVANAKUMAR MARAPPAN, SUBRAMANIAN VAIDYANATHAN, RAMASAMI MUTHUGOUNDER
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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: 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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Patent number: 9543521Abstract: An organic semiconductor device selected from organic diodes, organic field effect transistors, and devices comprising an organic diode and/or organic field effect transistor and a method of producing such a device are provided. The organic semiconductor device comprises at least one semiconducting layer based on a diketopyrrolopyrrole (DPP) polymer. The semiconducting layer may effectively be protected against degradation by radiation and/or oxidation by adding at least one stabilizing agent selected from hydroxybenzophenones, hydroxyphenyl benzotriazoles, oxalic acid anilides, hydroxyphenyl triazines, hindered phenols and/or merocyanines to the DPP polymer layer. The stabilization is effective both during production and during usage of the device, while the device's electronic properties are retained. The stabilizing agent is preferably a UV absorbing agent or an antioxidant or anti-radical agent known from the field of organic polymer technology.Type: GrantFiled: November 14, 2012Date of Patent: January 10, 2017Assignee: BASF SEInventors: Nikolai Kaihovirta, Tero Mustonen, Subramanian Vaidyanathan, Jean-Luc Budry
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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: 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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Patent number: 9219233Abstract: Disclosed are new semiconductor materials prepared from rylene-(?-acceptor) copolymers. Such copolymers can exhibit high n-type carrier mobility and/or good current modulation characteristics. In addition, the polymers of the present teachings can possess certain processing advantages such as solution-processability and/or good stability at ambient conditions.Type: GrantFiled: February 5, 2009Date of Patent: December 22, 2015Assignees: BASF SE, Polyera CorporationInventors: Antonio Facchetti, Zhihua Chen, He Yan, Shaofeng Lu, Tobin J. Marks, Yan Zheng, Marcel Kastler, Subramanian Vaidyanathan, Florian Doetz, Silke Annika Koehler
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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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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: 20140306212Abstract: An organic semiconductor device selected from organic diodes, organic field effect transistors, and devices comprising an organic diode and/or organic field effect transistor and a method of producing such a device are provided. The organic semiconductor device comprises at least one semiconducting layer based on a diketopyrrolopyrrole (DPP) polymer. The semiconducting layer may effectively be protected against degradation by radiation and/or oxidation by adding at least one stabilizing agent selected from hydroxybenzophenones, hydroxyphenyl benzotriazoles, oxalic acid anilides, hydroxyphenyl triazines, hindered phenols and/or merocyanines to the DPP polymer layer. The stabilization is effective both during production and during usage of the device, while the device's electronic properties are retained. The stabilizing agent is preferably a UV absorbing agent or an antioxidant or anti-radical agent known from the field of organic polymer technology.Type: ApplicationFiled: November 14, 2012Publication date: October 16, 2014Applicant: BASF SEInventors: Nikolai Kaihovirta, Tero Mustonen, Subramanian Vaidyanathan, Jean-Luc Budry
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Patent number: 8748220Abstract: A method includes combining organic semiconductor molecules and plasticizer molecules to form over a substrate a solid organic semiconductor channel. The channel may comprise at least about 50% by weight of the plasticizer molecules.Type: GrantFiled: December 5, 2011Date of Patent: June 10, 2014Assignee: Alcatel LucentInventors: Oleksandr Sydorenko, Subramanian Vaidyanathan
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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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Publication number: 20130200336Abstract: A method for producing an organic semiconductor device (110) having at least one organic semiconducting material (122) and at least two electrodes (114) adapted to support an electric charge carrier transport through the organic semiconducting material (122) is disclosed. The organic semiconducting material (122) intrinsically has ambipolar semiconducting properties. The method comprises at least one step of generating at least one intermediate layer (120) which at least partially is interposed between the organic semiconducting material (122) and at least one of the electrodes (114) of the organic semiconductor device (110). The intermediate layer (120) comprises at least one thiol compound having the general formula HS—R, wherein R is an organic residue. The thiol compound has an electric dipole moment pointing away from the SH-group of the thiol compound. The electric dipole moment has at least the same magnitude as the electric dipole moment in 4-Phenylthiophenol.Type: ApplicationFiled: February 3, 2012Publication date: August 8, 2013Applicant: BASF SEInventors: Subramanian VAIDYANATHAN, Marcel Kastler, Bertha Tan, Mi Zhou
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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: 8450143Abstract: A method of fabricating a circuit includes chemically bonding a coating to a plurality of nanoparticles. The nanoparticles are dispersed in a medium comprising organic molecules. An organic semiconductor channel is formed that comprises the medium. A plurality of electrodes is formed over the substrate. The electrodes are located to function as two of a gate electrode, a drain electrode, and a source electrode of a field-effect transistor.Type: GrantFiled: March 14, 2012Date of Patent: May 28, 2013Assignee: Alcatel LucentInventors: Oleksandr Sydorenko, Subramanian Vaidyanathan