Patents by Inventor Muthiah Thiyagarajan

Muthiah Thiyagarajan 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: 11760867
    Abstract: The present disclosure provides compositions and products formed therefrom. In particular, the disclosure provides polymer compositions and hydrogel-latex compositions in particular. Such compositions can include a water-soluble polymer, a natural or synthetic rubber latex, and a rheological stabilizer. The present disclosure further provides products and articles that include a coating layer of the polymer composition on at least a portion of a surface thereof. The coating formed of the polymer composition can impart improved properties to the product or article, such as improved moisture absorption, improved lubricity, and the like.
    Type: Grant
    Filed: December 17, 2020
    Date of Patent: September 19, 2023
    Assignee: Church & Dwight Co., Inc.
    Inventors: Jon Toliver, Rajesh Ranjan, Muthiah Thiyagarajan
  • Publication number: 20210189103
    Abstract: The present disclosure provides compositions and products formed therefrom. In particular, the disclosure provides polymer compositions and hydrogel-latex compositions in particular. Such compositions can include a water-soluble polymer, a natural or synthetic rubber latex, and a rheological stabilizer. The present disclosure further provides products and articles that include a coating layer of the polymer composition on at least a portion of a surface thereof. The coating formed of the polymer composition can impart improved properties to the product or article, such as improved moisture absorption, improved lubricity, and the like.
    Type: Application
    Filed: December 17, 2020
    Publication date: June 24, 2021
    Applicant: Church & Dwight Co., Inc.
    Inventors: Jon Toliver, Rajesh Ranjan, Muthiah Thiyagarajan
  • Publication number: 20210189104
    Abstract: The present disclosure provides compositions and products formed therefrom. In particular, the disclosure provides elastomeric latex articles, such as gloves and condoms, that can be prepared utilizing a styrene-polyisoprene-styrene (SIS) latex. The elastomeric articles can exhibit desired tensile properties while being substantially or completely free of undesired components, such as sulfur and zinc oxide, which can be allergens. The disclosure further provides methods of preparing elastomeric latex articles.
    Type: Application
    Filed: December 17, 2020
    Publication date: June 24, 2021
    Applicant: Church & Dwight Co., Inc.
    Inventors: Muthiah Thiyagarajan, Rajesh Ranjan, Carmen Guzman, Jon Toliver, Steven T. Adamy
  • Publication number: 20210189106
    Abstract: The present disclosure provides compositions and products formed therefrom. In particular, the disclosure provides elastomeric latex articles, such as gloves and condoms, that can exhibit a desired combination of properties that can be correlated to suitable strength and softness.
    Type: Application
    Filed: December 17, 2020
    Publication date: June 24, 2021
    Applicant: Church & Dwight Co., Inc.
    Inventors: Muthiah Thiyagarajan, Carmen Guzman, Jon Toliver, John Ip
  • Patent number: 9291909
    Abstract: The present invention relates a novel aqueous composition comprising polymeric thermal acid generator and a process of coating the novel composition onto photoresist pattern, thereby forming a layer of the polymeric thermal acid generator over the photoresist pattern. The polymeric thermal acid generator comprises a polymer having at least one repeating unit of structure 2; where R1 to R5 are independently chosen from the group consisting of H and C1-C6 alkyl; R6 is chosen from the group consisting of unsubstituted aryl, substituted aryl, alkyl (C1-C8) and fluoroalkyl (C1-C8) and W is a C2-C6 alkylene spacer.
    Type: Grant
    Filed: May 17, 2013
    Date of Patent: March 22, 2016
    Assignee: AZ ELECTRONIC MATERIALS (LUXEMBOURG) S.A.R.L.
    Inventors: Hengpeng Wu, SungEun Hong, Yi Cao, Jian Yin, Margareta Paunescu, Muthiah Thiyagarajan
  • Patent number: 9040659
    Abstract: The present invention relates to a method for treating a block copolymer solution, wherein the method comprises: providing a solution comprising a block copolymer in a non aqueous solvent; and, treating the solution to remove metals using an ion exchange resin. The invention also relates to a method of forming patterns using the treated block copolymer.
    Type: Grant
    Filed: February 7, 2014
    Date of Patent: May 26, 2015
    Assignee: AZ ELECTRONIC MATERIALS (LUXEMBOURG) S.A.R.L.
    Inventors: Jian Yin, Hengpeng Wu, Muthiah Thiyagarajan, SungEun Hong, Mark Neisser, Yi Cao
  • Publication number: 20140342290
    Abstract: The present invention relates a novel aqueous composition comprising polymeric thermal acid generator and a process of coating the novel composition onto photoresist pattern, thereby forming a layer of the polymeric thermal acid generator over the photoresist pattern. The polymeric thermal acid generator comprises a polymer having at least one repeating unit of structure 2; where R1 to R5 are independently chosen from the group consisting of H and C1-C6 alkyl; R6 is chosen from the group consisting of unsubstituted aryl, substituted aryl, alkyl (C1-C8) and fluoroalkyl (C1-C8) and W is a C2-C6 alkylene spacer.
    Type: Application
    Filed: May 17, 2013
    Publication date: November 20, 2014
    Applicant: AZ ELECTRONIC MATERIALS (LUXEMBOURG) S.A.R.L.
    Inventors: Hengpeng WU, SungEun HONG, Yi CAO, Jian YIN, Margareta PAUNESCU, Muthiah THIYAGARAJAN
  • Publication number: 20140151330
    Abstract: The present invention relates to a method for treating a block copolymer solution, wherein the method comprises: providing a solution comprising a block copolymer in a non aqueous solvent; and, treating the solution to remove metals using an ion exchange resin. The invention also relates to a method of forming patterns using the treated block copolymer.
    Type: Application
    Filed: February 7, 2014
    Publication date: June 5, 2014
    Applicant: AZ ELECTRONIC MATERIALS (LUXEMBOURG) S.A.R.L.
    Inventors: Jian YIN, Hengpeng WU, Muthiah THIYAGARAJAN, SungEun HONG, Mark NEISSER, Yi CAO
  • Patent number: 8686109
    Abstract: The present invention relates to a method for treating a block copolymer solution, wherein the method comprises: providing a solution comprising a block copolymer in a non aqueous solvent; and, treating the solution to remove metals using an ion exchange resin. The invention also relates to a method of forming patterns using the treated block copolymer.
    Type: Grant
    Filed: March 9, 2012
    Date of Patent: April 1, 2014
    Assignee: AZ Electronic Materials (Luxembourg) S.A.R.L.
    Inventors: Jian Yin, Hengpeng Wu, Muthiah Thiyagarajan, SungEun Hong, Mark Neisser, Yi Cao
  • Publication number: 20130233827
    Abstract: The present invention relates to a method for treating a block copolymer solution, wherein the method comprises: providing a solution comprising a block copolymer in a non aqueous solvent; and, treating the solution to remove metals using an ion exchange resin. The invention also relates to a method of forming patterns using the treated block copolymer.
    Type: Application
    Filed: March 9, 2012
    Publication date: September 12, 2013
    Applicant: AZ ELECTRONIC MATERIALS (LUXEMBOURG) S.A.R.L.
    Inventors: Jian YIN, Hengpeng WU, Muthiah THIYAGARAJAN, SungEun HONG, Mark NEISSER, Yi CAO
  • Publication number: 20120219919
    Abstract: The present invention relates to an aqueous coating composition for coating a photoresist pattern comprising a polymer containing a lactam group of structure (1) where R1 is independently selected hydrogen, C1-C4 alkyl, C1-C6 alkyl alcohol, hydroxy (OH), amine (NH2), carboxylic acid, and amide (CONH2), represents the attachment to the polymer, m=1-6, and n=1-4. The present invention also relates to a process for manufacturing a microelectronic device comprising providing a substrate with a photoresist pattern, coating the photoresist pattern with the novel coating material reacting a portion of the coating material in contact with the photoresist pattern, and removing a portion of the coating material which is not reacted with a removal solution.
    Type: Application
    Filed: February 24, 2011
    Publication date: August 30, 2012
    Inventors: Muthiah Thiyagarajan, Ralph R. Dammel, Yi Cao, SungEun Hong, WenBing Kang, Clement Anyadiegwu
  • Patent number: 8252503
    Abstract: Photoresist compositions are disclosed.
    Type: Grant
    Filed: August 24, 2007
    Date of Patent: August 28, 2012
    Assignee: AZ Electronic Materials USA Corp.
    Inventors: Srinivasan Chakrapani, Munirathna Padmanaban, Muthiah Thiyagarajan, Takanori Kudo, David L. Rentkiewicz
  • Patent number: 7923200
    Abstract: The present invention relates to an aqueous coating composition for coating a photoresist pattern comprising a polymer containing a lactam group of structure (1) where R1 is independently selected hydrogen, C1-C4 alkyl, C1-C6 alkyl alcohol, hydroxy (OH), amine (NH2), carboxylic acid, and amide (CONH2), ?represents the attachment to the polymer, m=1-6, and n=1-4. The present invention also relates to a process for manufacturing a microelectronic device comprising providing a substrate with a photoresist pattern, coating the photoresist pattern with the novel coating material reacting a portion of the coating material in contact with the photoresist pattern, and removing a portion of the coating material which is not reacted with a removal solution.
    Type: Grant
    Filed: April 9, 2007
    Date of Patent: April 12, 2011
    Assignee: AZ Electronic Materials USA Corp.
    Inventors: Muthiah Thiyagarajan, Ralph R. Dammel, Yi Cao, SungEun Hong, WenBing Kang, Clement Anyadiegwu
  • Publication number: 20100183851
    Abstract: A process for forming a double photoresist pattern is disclosed.
    Type: Application
    Filed: January 21, 2009
    Publication date: July 22, 2010
    Inventors: Yi Cao, Muthiah Thiyagarajan, SungEun Hong, DongKwan Lee, Meng Li, David Mikrut
  • Patent number: 7745077
    Abstract: The present invention relates to an aqueous coating composition for coating a photoresist pattern, comprising a polymer comprising at least one unit with an alkylamino group, where the unit has a structure (1), where, R1 to R5 are independently selected from hydrogen and C1 to C6 alkyl, and W is C1 to C6 alkyl. The invention also relates to a process for imaging a photoresist layer using the present composition.
    Type: Grant
    Filed: June 18, 2008
    Date of Patent: June 29, 2010
    Assignee: AZ Electronic Materials USA Corp.
    Inventors: Muthiah Thiyagarajan, Yi Cao, Sung Eun Hong, Ralph R. Dammel
  • Publication number: 20090317739
    Abstract: The present invention relates to an aqueous coating composition for coating a photoresist pattern, comprising a polymer comprising at least one unit with an alkylamino group, where the unit has a structure (1), where, R1 to R5 are independently selected from hydrogen and C1 to C6 alkyl, and W is C1 to C6 alkyl. The invention also relates to a process for imaging a photoresist layer using the present composition.
    Type: Application
    Filed: June 18, 2008
    Publication date: December 24, 2009
    Inventors: Muthiah Thiyagarajan, Yi Cao, Sung Eun Hong, Ralph R. Dammel
  • Publication number: 20090053652
    Abstract: Photoresist compositions are disclosed.
    Type: Application
    Filed: August 24, 2007
    Publication date: February 26, 2009
    Inventors: Srinivasan Chakrapani, Munirathna Padmanaban, Muthiah Thiyagarajan, Takanori Kudo, David L. Rentkiewicz
  • Publication number: 20080248427
    Abstract: The present invention relates to an aqueous coating composition for coating a photoresist pattern comprising a polymer containing a lactam group of structure (1) where R1 is independently selected hydrogen, C1-C4 alkyl, C1-C6 alkyl alcohol, hydroxy (OH), amine (NH2), carboxylic acid, and amide (CONH2), represents the attachment to the polymer, m=1-6, and n=1-4. The present invention also relates to a process for manufacturing a microelectronic device comprising providing a substrate with a photoresist pattern, coating the photoresist pattern with the novel coating material reacting a portion of the coating material in contact with the photoresist pattern, and removing a portion of the coating material which is not reacted with a removal solution.
    Type: Application
    Filed: April 9, 2007
    Publication date: October 9, 2008
    Inventors: Muthiah Thiyagarajan, Ralph R. Dammel, Yi Cao, SungEun Hong, WenBing Kang, Clement Anyadiegwu