Patents by Inventor Venkataram Krishnan

Venkataram Krishnan 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).

  • Publication number: 20230416558
    Abstract: The present disclosure generally relates to a water soluble or dispersible composition comprising a hydrophobically modified polyalkylene glycol having mono- and di- end capped hydrophobic groups. Additionally, the present disclosure also relates to applications thereof in various industrial areas such as coatings.
    Type: Application
    Filed: September 5, 2023
    Publication date: December 28, 2023
    Applicant: HERCULES LLC
    Inventors: Kelly Anne BRUSCH, Venkataram KRISHNAN, Grzegorz STOKLOSA, Zeena Kottukapally CHERIAN
  • Publication number: 20230323138
    Abstract: Disclosed is a hydrophobically-modified associative thickener polymer prepared from a reaction mixture comprising a) a poloxamer tri-block copolymer of the formula (I): b) at least one active hydrogen-containing compound c) a gem-polyhalide with an alkali hydroxide; or d) a polyglycidyl ether with an alkali hydroxide; e) optionally, a hydrophobe-containing compound; also disclosed are aqueous protective coating compositions; and further disclosed is a process to prepare a hydrophobically-modified associative thickener polymer.
    Type: Application
    Filed: August 6, 2021
    Publication date: October 12, 2023
    Applicant: HERCULES LLC
    Inventors: Kelly Anne BRUSCH, Venkataram KRISHNAN, Zeena Kottukapally CHERIAN, Todd A. BRUGEL
  • Publication number: 20230257522
    Abstract: Disclosed is a hydrophobically-modified associative thickener polymer prepared from a reaction mixture comprising a) a polytetrahydrofuran having a formula (I): b) at least one active hydrogen-containing compound; c) a gem-polyhalide with an alkali hydroxide; or d) a polyglycidyl ether with an alkali hydroxide; e) optionally, a hydrophobe-containing compound, wherein m is an integer in a range from 2 to 750; also disclosed are the aqueous protective coating compositions; further disclosed is a process to prepare a hydrophobically-modified associative thickener polymer.
    Type: Application
    Filed: August 6, 2021
    Publication date: August 17, 2023
    Applicant: HERCULES LLC
    Inventors: Kelly Anne BRUSCH, Venkataram KRISHNAN, Zeena Kottukapally CHERIAN, Todd A. BRUGEL
  • Publication number: 20220289908
    Abstract: The presently disclosed and/or claimed inventive concept(s) relates to a method for preparing a reaction product, comprising (1) molten mixing a first active hydrogen containing component and a first alkali hydroxide to form a first mixture; (2) adding water into the first mixture to dissolve the first molten alkali hydroxide to form a second mixture; (3) reacting a first hydrophobic component with the second mixture to provide a Diluent; (4) molten mixing at least one second active hydrogen containing component, a second alkali hydroxide and the Diluent to form a third mixture; (5) adding water into the third mixture to dissolve the second molten alkali hydroxide to form a fourth mixture; and (6) reacting the fourth mixture with a gem-polyhalide compound or a sulfonate ester for a sufficient time to form the reaction product.
    Type: Application
    Filed: July 31, 2020
    Publication date: September 15, 2022
    Applicant: Hercules LLC
    Inventors: Kelly anne BRUSCH, Venkataram Krishnan, Zeena Kottukapally CHERIAN, Sowmitri TARIMALA
  • Publication number: 20210261814
    Abstract: The present disclosure generally relates to a water soluble or dispersible composition comprising a hydrophobically modified polyalkylene glycol having mono- and di-end capped hydrophobic groups. Additionally, the present disclosure also relates to applications thereof in various industrial areas such as coatings.
    Type: Application
    Filed: July 19, 2019
    Publication date: August 26, 2021
    Applicant: HERCULES LLC
    Inventors: kelly Anne BRUSCH, Venkataram KRISHNAN, Grzegorz STOKLOSA, Zeena Kottukapally CHERIAN
  • Publication number: 20210253769
    Abstract: A reaction product derived from a reactant comprising a diglycidyl ether component, a difunctional active hydrogen containing component and a hydrophobic component is disclosed. Additionally, the present disclosure relates generally to compositions comprising the reaction products and applications thereof in various industrial areas such as coatings.
    Type: Application
    Filed: August 28, 2019
    Publication date: August 19, 2021
    Applicant: HERCULES LLC
    Inventors: Kelly anne BRUSCH, Venkataram KRISHNAN, Grzegory STOKLOSA, Zeena Kottukapally CHERIAN
  • Patent number: 10358574
    Abstract: An aqueous coating composition comprising at least 0.5 wt % of a lactam-functionalized polymer is disclosed. The lactam-functionalized polymer includes lactam-functionalized polyacetal polyether, polyhemiaminal polyether or polyaminal polyether. The aqueous coating composition can increase an open time of a water-borne latex paint. A method of increasing an open time for an aqueous coating composition of a water-borne latex paint using the lactam-functionalized polymer is also disclosed.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: July 23, 2019
    Assignee: HERCULES LLC
    Inventors: Kelly A. Brush, Zeena Kottukapally Cherian, Venkataram Krishnan, Sowmitri Tarimala
  • Publication number: 20180112100
    Abstract: An aqueous coating composition comprising at least 0.5 wt % of a lactam-functionalized polymer is disclosed. The lactam-functionalized polymer includes lactam-functionalized polyacetal polyether, polyhemiaminal polyether or polyaminal polyether. The aqueous coating composition can increase an open time of a water-borne latex paint. A method of increasing an open time for an aqueous coating composition of a water-borne latex paint using the lactam-functionalized polymer is also disclosed.
    Type: Application
    Filed: December 20, 2017
    Publication date: April 26, 2018
    Applicant: HERCULES LLC
    Inventors: Kelly A. Brush, Zeena Kottukapally Cherian, Venkataram Krishnan, Sowmitri Tarimala
  • Patent number: 9220725
    Abstract: This invention relates to latex compositions that incorporate at least one bioactive component such as an antibacterial or antifungal agent, and methods for making and using such latex compositions. The latex compositions disclosed herein can be prepared by the emulsion polymerization of the latex component monomers in the presence of the at least one bioactive component.
    Type: Grant
    Filed: August 24, 2007
    Date of Patent: December 29, 2015
    Assignee: Mallard Creek Polymers, Inc.
    Inventor: Venkataram Krishnan
  • Publication number: 20150119490
    Abstract: The presently disclosed and claimed inventive concept(s) related to a dry mortar composition or an emulsion/dispersion based composition having hydrophobically modified polymer compositions. The dry mortar composition or an emulsion/dispersion based composition comprises one or more polymer emulsions and/or redispersible powders, and one or more hydrophobic, and water-resistant or water-repellent additive. The emulsion/dispersion based composition can be used as a grout, a joint filler, a mastic, a pasty, textured plaster, tile adhesive, structure-latex based render, silicate render, fine dispersion render for skim coat, dispersion based tile grout, acrylate based render, latex-based primer, and colorized latex-based renders.
    Type: Application
    Filed: October 23, 2014
    Publication date: April 30, 2015
    Inventors: Venkataram Krishnan, Brigitte Rennert
  • Patent number: 8785519
    Abstract: This invention relates to latex compositions that incorporate at least one bioactive component such as an antibacterial or an antifungal agent, and methods for making and using such latex compositions. The latex compositions disclosed herein can be prepared by the emulsion polymerization of the latex component monomers in the presence of the at least one bioactive component.
    Type: Grant
    Filed: August 24, 2007
    Date of Patent: July 22, 2014
    Assignee: Mallard Creek Polymers, Inc.
    Inventor: Venkataram Krishnan
  • Publication number: 20120238719
    Abstract: Provided is a thickener composition comprising the polymerization product of an aromatic monomer, an amine functional monomer, and a hydrophobic, associative monomer. The thickener composition is capable of thickening various formulations at a pH of 6.0 or less. Also provided are personal care, household, and industrial formulations that include the thickener compositions.
    Type: Application
    Filed: March 15, 2012
    Publication date: September 20, 2012
    Applicant: Mallard Creek Polymers, Inc.
    Inventor: Venkataram Krishnan
  • Patent number: 7981946
    Abstract: The present invention relates to a substrate having one or more antimicrobial or antistatic properties. Such properties are imparted by applying a coating or film formed from a cationically-charged polymer composition. The polymer composition includes a noncationic ethylenically unsaturated monomer and an ethylenically unsaturated monomer capable of providing a cationic charge to the polymer composition. Optionally, the polymer composition includes a steric stabilization component incorporated into the cationically-charged polymer composition. The present invention also relates to a personal care product and polymeric material comprising a base polymer blended with the above cationically-charged polymer composition.
    Type: Grant
    Filed: May 6, 2008
    Date of Patent: July 19, 2011
    Assignee: Mallard Creek Polymers, Inc.
    Inventor: Venkataram Krishnan
  • Patent number: 7781498
    Abstract: This invention relates to latex compositions that incorporate at least one bioactive component such as an antibacterial or antifungal agent, and methods for making and using such latex compositions. The latex compositions disclosed herein can be prepared by the emulsion polymerization of the latex component monomers in the presence of the at least one bioactive component.
    Type: Grant
    Filed: February 27, 2007
    Date of Patent: August 24, 2010
    Assignee: Mallard Creek Polymers, Inc.
    Inventor: Venkataram Krishnan
  • Patent number: 7776981
    Abstract: A filter substrate impregnated with an emulsion polymer, the emulsion polymer being substantially devoid of phenolics and stabilized using a protective colloid.
    Type: Grant
    Filed: August 2, 2005
    Date of Patent: August 17, 2010
    Assignee: Mallard Creek Polymers, Inc.
    Inventor: Venkataram Krishnan
  • Patent number: 7491753
    Abstract: The present invention relates to a substrate having antimicrobial and/or antistatic properties. Such properties are imparted by applying a coating or film formed from a cationically-charged polymer composition. The polymer composition includes a noncationic ethylenically unsaturated monomer, an ethylenically unsaturated monomer capable of providing a cationic charge to the polymer composition, and a steric stabilization component incorporated into the cationically-charged polymer composition. The present invention also relates to a polymeric material comprising a base polymer blended with the above cationically-charged polymer composition.
    Type: Grant
    Filed: July 1, 2004
    Date of Patent: February 17, 2009
    Assignee: Mallard Creek Polymers, Inc.
    Inventor: Venkataram Krishnan
  • Patent number: 7479519
    Abstract: The curable urethane polymer adhesive or coating of the present invention comprises at least one ethylenically unsaturated monomer and in one embodiment an aliphatic conjugated diene monomer, a hydroxy functional monomer, and a colloid having hydroxy functionality and a moiety having isocyanate functionality. The colloid having hydroxy functionality is present with the ethylenically unsaturated monomer and the hydroxy-functional monomer during polymerization so as to become incorporated into the latex to provide stabilization.
    Type: Grant
    Filed: October 27, 2005
    Date of Patent: January 20, 2009
    Assignee: Mallard Creek Polymers, Inc.
    Inventor: Venkataram Krishnan
  • Publication number: 20080233062
    Abstract: This invention relates to the field of polymeric materials that can be used in combination with a wide variety of substrates, such as textiles, metal, cellulosic materials, plastics, and the like, and to the field of active agents including, for example, antimicrobial, antibacterial, and antifungal materials. This invention further relates to latex polymer coatings that comprise at least one active component as well as methods for making and using such latex compositions.
    Type: Application
    Filed: May 6, 2008
    Publication date: September 25, 2008
    Inventor: Venkataram Krishnan
  • Publication number: 20080226584
    Abstract: The present invention relates to a substrate having one or more antimicrobial or antistatic properties. Such properties are imparted by applying a coating or film formed from a cationically-charged polymer composition. The polymer composition includes a noncationic ethylenically unsaturated monomer and an ethylenically unsaturated monomer capable of providing a cationic charge to the polymer composition. Optionally, the polymer composition includes a steric stabilization component incorporated into the cationically-charged polymer composition. The present invention also relates to a personal care product and polymeric material comprising a base polymer blended with the above cationically-charged polymer composition.
    Type: Application
    Filed: May 6, 2008
    Publication date: September 18, 2008
    Inventor: Venkataram Krishnan
  • Publication number: 20080207774
    Abstract: This invention relates to the field of polymeric materials that can be used in combination with a wide variety of substrates, such as personal care products, textiles, metal, cellulosic materials, plastics, and the like, and to the field of active agents including, for example, antimicrobial, antibacterial and antifungal materials. This invention further relates to latex polymer coatings that comprise at least one active component as well as methods for making and using such latex compositions.
    Type: Application
    Filed: May 6, 2008
    Publication date: August 28, 2008
    Inventor: Venkataram Krishnan