Patents by Inventor Rajan Hariharan
Rajan Hariharan 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: 10059827Abstract: A conductive composition includes a mono-acid hybrid that includes an unprotected, single reactive group. The mono-acid hybrid may include substantially non-reactive groups elsewhere such that the mono-acid hybrid is functional as a chain terminator. Methods and devices using the compositions are also disclosed.Type: GrantFiled: May 6, 2016Date of Patent: August 28, 2018Inventors: Rajan Hariharan, James Hurley, Senthil Kanagavel, Jose Quinones, Martin Sobczak, Deborah Makita
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Publication number: 20160251495Abstract: A conductive composition includes a mono-acid hybrid that includes an unprotected, single reactive group. The mono-acid hybrid may include substantially non-reactive groups elsewhere such that the mono-acid hybrid is functional as a chain terminator. Methods and devices using the compositions are also disclosed.Type: ApplicationFiled: May 6, 2016Publication date: September 1, 2016Inventors: Rajan Hariharan, James Hurley, Senthil Kanagavel, Jose Quinones, Martin Sobczak, Deborah Makita
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Patent number: 9355938Abstract: A conductive composition includes a mono-acid hybrid that includes an unprotected, single reactive group. The mono-acid hybrid may include substantially non-reactive groups elsewhere such that the mono-acid hybrid is functional as a chain terminator. Methods and devices using the compositions are also disclosed.Type: GrantFiled: October 21, 2013Date of Patent: May 31, 2016Inventors: Rajan Hariharan, James Hurley, Senthil Kanagavel, Jose Quinones, Martin Sobczak, Deborah Makita
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Publication number: 20140153167Abstract: A conductive composition includes a mono-acid hybrid that includes an unprotected, single reactive group. The mono-acid hybrid may include substantially non-reactive groups elsewhere such that the mono-acid hybrid is functional as a chain terminator. Methods and devices using the compositions are also disclosed.Type: ApplicationFiled: October 21, 2013Publication date: June 5, 2014Applicant: ALPHA METALS, INC.Inventors: Rajan Hariharan, James Hurley, Senthil Kanagavel, Jose Quinones, Martin Sobczak, Deborah Makita
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Patent number: 8564140Abstract: A conductive composition includes a mono-acid hybrid that includes an unprotected, single reactive group. The mono-acid hybrid may include substantially non-reactive groups elsewhere such that the mono-acid hybrid is functional as a chain terminator. Methods and devices using the compositions are also disclosed.Type: GrantFiled: September 25, 2009Date of Patent: October 22, 2013Assignee: Alpha Metals, Inc.Inventors: Rajan Hariharan, James Hurley, Senthil Kanagavel, Jose Quinones, Martin Sobczak, Deborah Makita
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Publication number: 20100084757Abstract: A conductive composition includes a mono-acid hybrid that includes an unprotected, single reactive group. The mono-acid hybrid may include substantially non-reactive groups elsewhere such that the mono-acid hybrid is functional as a chain terminator. Methods and devices using the compositions are also disclosed.Type: ApplicationFiled: September 25, 2009Publication date: April 8, 2010Inventors: Rajan Hariharan, James Hurley, Senthil Kanagavel, Jose Quinones, Martin Sobczak, Deborah Makita
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Patent number: 7190016Abstract: Structures including a capacitor dielectric material disposed on the surface of an electrode suitable for use in forming capacitors are disclosed. Methods of forming such structures are also disclosed.Type: GrantFiled: October 5, 2005Date of Patent: March 13, 2007Assignee: Rohm and Haas Electronic Materials LLCInventors: John P. Cahalen, Maria Anna Rzeznik, John E. Schemenaur, Rajan Hariharan
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Publication number: 20060079050Abstract: Structures including a capacitor dielectric material disposed on the surface of an electrode suitable for use in forming capacitors are disclosed. Methods of forming such structures are also disclosed.Type: ApplicationFiled: October 5, 2005Publication date: April 13, 2006Applicant: Rohm and Haas Electronic Materials LLCInventors: John Cahalen, Maria Rzeznik, John Schemenaur, Rajan Hariharan
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Patent number: 6781506Abstract: Disclosed is a resistor structure for embedding in a dielectric material including a thin film resistive material disposed on a surface of a conductive layer wherein the surface has an isotropic surface roughness having a Rz (din) value of 3 to 10 &mgr;m and a peak-to-peak wavelength of 2 to 20 &mgr;m.Type: GrantFiled: January 13, 2003Date of Patent: August 24, 2004Assignee: Shipley Company, L.L.C.Inventors: John Schemenaur, Rajan Hariharan, Marc Langlois, Craig S. Allen
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Patent number: 6700006Abstract: Novel compounds derived from traditional semi- drying and non-drying oils featuring internally plasticizing and crosslinkable properties are disclosed and claimed. Preferred embodiments include acrylate or methacrylate esters of hydroxy long-chain olefinic compounds derived from castor oil or lesquerella oil. A process for the preparation of the novel compounds is also disclosed, which involves esterification reaction of ethylenically unsaturated carboxylic acids or its derivatives with substituted hydroxy long-chain olefinic compounds. These compounds are suitable for forming latices, which form films at low minimum film forming temperatures (MFT) ranging from −5 to 10° C. and cure to above ambient glass transition (Tg) polymers without the use of traditional organic cosolvents which contribute to environmental pollution via volatile organic compounds (VOCs) emissions. These latices are therefore useful in waterborne coatings, contact and pressure sensitive adhesives, and inks.Type: GrantFiled: April 10, 2001Date of Patent: March 2, 2004Assignee: University of Southern MississippiInventors: Shelby Freland Thames, Kamlesh Gopichand Panjnani, Rajan Hariharan, Zhiyu Wang
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Publication number: 20030231099Abstract: Disclosed is a resistor structure for embedding in a dielectric material including a thin film resistive material disposed on a surface of a conductive layer wherein the surface has an isotropic surface roughness having a Rz (din) value of 3 to 10 &mgr;m and a peak-to-peak wavelength of 2 to 20 &mgr;m.Type: ApplicationFiled: January 13, 2003Publication date: December 18, 2003Applicant: Shipley company, L.L.C.Inventors: John Schemenaur, Rajan Hariharan, Marc Langlois, Craig S. Allen
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Patent number: 6653381Abstract: Novel compounds derived from traditional semi- drying and non-drying oils featuring internally plasticizing and crosslinkable properties are disclosed and claimed. Preferred embodiments include acrylate or methacrylate esters of hydroxy long-chain olefinic compounds derived from castor oil or lesquerella oil. A process for the preparation of the novel compounds is also disclosed, which involves esterification reaction of ethylenically unsaturated carboxylic acids or its derivatives with substituted hydroxy long-chain olefinic compounds. These compounds are suitable for forming latices, which form films at low minimum film forming temperatures (MFT) ranging from −5 to 10 ° C. and cure to above ambient glass transition (Tg polymers without the use of traditional organic cosolvents which contribute to environmental pollution via volatile organic compounds (VOCs) emissions. These latices are therefore useful in waterborne coatings, contact and pressure sensitive adhesives, and inks.Type: GrantFiled: April 10, 2001Date of Patent: November 25, 2003Assignee: University of Southern MississippiInventors: Shelby Freland Thames, Kamlesh Gopichand Panjnani, Rajan Hariharan, Zhiyu Wang
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Patent number: 6624223Abstract: Novel latex or emulsion compositions containing internally plasticizing and crosslinkable monomers derived from traditional semi-drying or non-drying oils are disclosed and claimed. The monomers are ethylenically unsaturated esters of long-chain olefinic compounds. Preferred embodiments include latex formed from acrylate or methacrylate esters of hydroxy fatty acid esters derived from castor oil or lesquerella oil. A process for the synthesis of the latex composition is also disclosed, which involves (a) an esterification reaction of ethylenically unsaturated carboxylic acid or its derivatives with a substituted hydroxy long-chain olefinic compound; (b) subsequent polymerization of the so formed ethylenically unsaturated ester of a long-chain olefinic compound in an aqueous phase with at least one other copolymerizable monomer; and (c) blending so formed polymer with at least one drier and a surfactant to form the novel latex or emulsion compositions.Type: GrantFiled: December 14, 1999Date of Patent: September 23, 2003Assignee: University of Southern MississippiInventors: Shelby Freland Thames, Zhiyu Wang, Elizabeth H. Brister, Rajan Hariharan, Corey L. King, Kamlesh Gopichand Panjnani
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Publication number: 20030176610Abstract: The present invention comprises a method of making a polyethylene/methylane terephthalate copolymer with more desirable properties by the incorporation of a minor percentage of poly(methylene) components. Applicants have found, as demonstrated herein, that a small amount of this poly(methylene terephthalate) incorporated into the poly/ethylene terephthalate) serves to drastically depress the melting point. Such depression of melting points will make the production of fibers from melting polymers less expensive. Applicants have also found that the mixture with the depressed melting point has apparently less adherence to the surfaces of the equipment used to handle such molten polymers.Type: ApplicationFiled: February 12, 2003Publication date: September 18, 2003Inventors: A. George Pinkus, Rajan Hariharan
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Process for reducing mono-functional and non-functional by-products during aralkylation of phenolics
Patent number: 6399740Abstract: Phenol aralkyistion polymers can be prepared by reaction among a phenolic monomer, at least one styrenic monomer and an aryl diolefin. A phenolic monomer can be initially aralkylated in the presence of an acid catalyst with a first portion of at least one styrenic monomer to obtain an aralkylated phenol. The aralkylated phenol thereafter can be reacted with an aryl diolefin to obtain a phenol aralkylation polymer. Optionally, (though preferably) the phenol aralkylation polymer is further aralkylated with a second portion of at least one styrenic monomer. By employing specific catalyst concentrations, reactant concentrations, reaction temperatures, and reaction times, the formation of mono-functional and non-functional by-products is substantially reduced.Type: GrantFiled: July 6, 1999Date of Patent: June 4, 2002Assignee: Georgia-Pacific Resins, Inc.Inventors: Edward Lucas, Jr., David A. Hutchings, Rajan Hariharan, Syed A. Elahi, David J. Bir -
Publication number: 20020007080Abstract: Novel compounds derived from traditional semi-drying and non-drying oils featuring internally plasticizing and crosslinkable properties are disclosed and claimed. Preferred embodiments include acrylate or methacrylate esters of hydroxy long-chain olefinic compounds derived from castor oil or lesquerella oil. A process for the preparation of the novel compounds is also disclosed, which involves esterification reaction of ethylenically unsaturated carboxylic acids or its derivatives with substituted hydroxy long-chain olefinic compounds. These compounds are suitable for forming latices, which form films at low minimum film forming temperatures (MFT) ranging from −5 to 10° C. and cure to above ambient glass transition (Tg) polymers without the use of traditional organic cosolvents which contribute to environmental pollution via volatile organic compounds (VOCs) emissions. These latices are therefore useful in waterborne coatings, contact and pressure sensitive adhesives, and inks.Type: ApplicationFiled: April 10, 2001Publication date: January 17, 2002Applicant: University of Southern MississippiInventors: Shelby Freland Thames, Kamlesh Gopichand Panjnani, Rajan Hariharan, Zhiyu Wang
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Publication number: 20010031883Abstract: Novel compounds derived from traditional semi- drying and non-drying oils featuring internally plasticizing and crosslinkable properties are disclosed and claimed. Preferred embodiments include acrylate or methacrylate esters of hydroxy long-chain olefinic compounds derived from castor oil or lesquerella oil. A process for the preparation of the novel compounds is also disclosed, which involves esterification reaction of ethylenically unsaturated carboxylic acids or its derivatives with substituted hydroxy long-chain olefinic compounds. These compounds are suitable for forming latices, which form films at low minimum film forming temperatures (MFT) ranging from −5 to 10° C. and cure to above ambient glass transition (Tg) polymers without the use of traditional organic cosolvents which contribute to environmental pollution via volatile organic compounds (VOCs) emissions. These latices are therefore useful in waterborne coatings, contact and pressure sensitive adhesives, and inks.Type: ApplicationFiled: April 10, 2001Publication date: October 18, 2001Applicant: The University of Southern MississippiInventors: Shelby Freland Thames, Kamlesh Gopichand Panjnani, Rajan Hariharan, Zhiyu Wang
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Patent number: 6291077Abstract: A lactone chain-extended polyester polyol of the present invention comprises the reaction product of a lactone and a previously chain-extended phenolic-based hydroxyl compound. The previously chain-extended phenolic-based hydroxyl compound may comprise the reaction product of (i) a lactone or an alkoxylating agent selected from the group consisting of alkylene oxides and alkylene carbonates, and (ii) a phenolic aralkylation polymer comprising the reaction product of a phenolic monomer having at least two free reactive positions; a styrene derivative; and a coupling agent. The previously chain-extended phenolic-based hydroxyl compound also may be chain-extended by reacting with a lactam to produce a lactam chain-extended polyester polyamide. The polyols and polyamides of the present invention provide unique combinations of hard and soft functionalities, which translates into materials exhibiting a unique combination of toughness and hardness.Type: GrantFiled: August 28, 2000Date of Patent: September 18, 2001Assignee: Georgia-Pacific Resins, Inc.Inventors: Rajan Hariharan, David A. Hutchings, Kenneth A. Bourlier, Ellen V. Nagy
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Patent number: 6235916Abstract: Novel compounds derived from traditional semi-drying and non-drying oils featuring internally plasticizing and crosslinkable properties are disclosed and claimed. Preferred embodiments include acrylate or methacrylate esters of hydroxy long-chain olefinic compounds derived from castor oil or lesquerella oil. A process for the preparation of the novel compounds is also disclosed, which involves esterification reaction of ethylenically unsaturated carboxylic acids or its derivatives with substituted hydroxy long-chain olefinic compounds. These compounds are suitable for forming latices, which form films at low minimum film forming temperatures (MFT) ranging from −5 to 10° C. and cure to above ambient glass transition (Tg) polymers without the use of traditional organic cosolvents which contribute to environmental pollution via volatile organic compounds (VOCs) emissions. These latices are therefore useful in waterborne coatings, contact and pressure sensitive adhesives, and inks.Type: GrantFiled: December 24, 1996Date of Patent: May 22, 2001Assignee: University of Southern MississippiInventors: Shelby Freland Thames, Kamlesh Gopichand Panjnani, Rajan Hariharan, Zhiyu Wang
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Patent number: 6203720Abstract: Novel latex or emulsion compositions containing internally plasticizing and crosslinkable monomers derived from traditional semi-drying or non-drying oils are disclosed and claimed. The monomers are ethylenically unsaturated esters of long-chain olefinic compounds. Preferred embodiments include latex formed from acrylate or methacrylate esters of hydroxy fatty acid esters derived from castor oil or lesquerella oil. A process for the synthesis of the latex composition is also disclosed, which involves (a) an esterification reaction of ethylenically unsaturated carboxylic acid or its derivatives with a substituted hydroxy long-chain olefinic compound; (b) subsequent polymerization of the so formed ethylenically unsaturated ester of a long-chain olefinic compound in an aqueous phase with at least one other copolymerizable monomer; and (c) blending so formed polymer with at least one drier and a surfactant to form the novel latex or emulsion compositions.Type: GrantFiled: December 24, 1996Date of Patent: March 20, 2001Assignee: University of Southern MississippiInventors: Shelby Freland Thames, Kamlesh Gopichand Panjnani, Rajan Hariharan, Zhiyu Wang