Patents by Inventor Manjari Kuntimaddi

Manjari Kuntimaddi 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).

  • Golf equipment formed from amine-adduct modified polyurea compositions
    Patent number: 7705102
    Abstract: Golf equipment having at least one portion formed from amine-adduct modified polyurea compositions, including epoxy-silicone modified polyurea compositions, epoxy modified polyurea compositions, silicone modified polyurea compositions, and polyurea compositions including polyamine/carbonyl adducts and/or amine-modified adducts having backbones based on polyfunctional acrylates or methacrylates or caprolactone monomers or oligomers.
    Type: Grant
    Filed: March 13, 2006
    Date of Patent: April 27, 2010
    Assignee: Acushnet Company
    Inventors: Shawn Ricci, Shenshen Wu, Manjari Kuntimaddi, Kevin M. Harris, Murali Rajagopalan
  • CASTABLE GOLF BALL COMPONENTS USING ACRYLATE FUNCTIONAL RESINS
    Publication number: 20100062877
    Abstract: Golf ball components, such as cores, intermediate layers, and covers, formed with compositions including precursors with acrylate functionality crosslinked with a curing agent.
    Type: Application
    Filed: July 29, 2009
    Publication date: March 11, 2010
    Inventors: Mitchell E. Lutz, Manjari Kuntimaddi
  • Castable golf ball components using acrylate functional resins
    Patent number: 7572873
    Abstract: Golf ball components, such as cores, intermediate layers, and covers, formed with compositions including precursors with acrylate functionality crosslinked with a curing agent.
    Type: Grant
    Filed: December 18, 2006
    Date of Patent: August 11, 2009
    Assignee: Acushnet Company
    Inventors: Mitchell E. Lutz, Manjari Kuntimaddi
  • Compositions for use in golf balls
    Patent number: 7534849
    Abstract: A golf ball having a core and at least one layer disposed about the core is disclosed. The at least one layer is formed from a composition having multiple reactive and/or non-reactive ingredients. At least one of these ingredients is an isocyanate having a fused or bridge cyclic structure that is partially alicyclic and partially aromatic.
    Type: Grant
    Filed: September 14, 2005
    Date of Patent: May 19, 2009
    Assignee: Acushnet Company
    Inventor: Manjari Kuntimaddi
  • Sulfur-containing composition for golf equipment and method of using same
    Patent number: 7524918
    Abstract: The present invention is directed to golf items formed from a sulfur-containing composition. The sulfur-containing composition comprises the reaction product of four reactable components: (a) polyisocyanates and polyisothiocyanates; (b) polyols and polythiols; (c) epoxides and episulfides; and (d) amines and anilines; wherein at least one of the four reactable components contains a sulfur atom. The present invention also relates to methods, e.g., reaction injection molding processes and castable molding processes, for forming such golf items.
    Type: Grant
    Filed: April 27, 2006
    Date of Patent: April 28, 2009
    Assignee: Acushnet Company
    Inventor: Manjari Kuntimaddi
  • Golf ball layer compositions formed from oxirane functional endcapped polymers
    Patent number: 7517943
    Abstract: Compositions for golf balls including oxirane functional endcapped polymers and, in particular, compositions formed from polyurethane-based or polyurea-based prepolymers that are endcapped with an oxirane functional group. The oxirane functionality is opened with a suitable curing agent to provide a composition that has flexibility via the prepolymer backbone and stiffness via the oxirane functional endcaps.
    Type: Grant
    Filed: December 6, 2005
    Date of Patent: April 14, 2009
    Assignee: Acushnet Company
    Inventors: Manjari Kuntimaddi, Shenshen Wu, Murali Rajagopalan, Matthew F. Hogge, Steven R. Zawacky, Michael A. Mayo
  • Method for molding castable light stable polyurethane and polyurea golf balls
    Patent number: 7481956
    Abstract: The present invention relates to a method of molding cosmetically defect-free golf ball components that contain light stable polyurethane, polyurea, or blends thereof at processing temperatures that are lower than conventional processing temperatures used for aromatic formulations. The present invention also relates to a golf ball component formed by using such a method.
    Type: Grant
    Filed: July 26, 2004
    Date of Patent: January 27, 2009
    Assignee: Acushnet Company
    Inventors: Shenshen Wu, Manjari Kuntimaddi, Shawn Ricci, Peter Serdahl
  • REACTION INJECTION MOLDABLE COMPOSITIONS, METHODS FOR MAKING SAME, AND RESULTANT GOLF ARTICLES
    Publication number: 20090011854
    Abstract: The invention relates to a method for forming golf equipment, or a portion thereof, preferably for forming one or more layers of a golf ball, including: providing a first reactable component containing an isocyanate-containing compound, and a second reactable component containing at least one polyol, polyamine, or epoxy-containing compound; mixing the reactable components together to form a reactive mixture; and injecting the reactive mixture into a cavity or mold having a desired shape within a time sufficient to avoid substantial polymerization, gelation, or solidification.
    Type: Application
    Filed: September 17, 2008
    Publication date: January 8, 2009
    Inventors: Shenshen Wu, Murali Rajagopalan, Manjari Kuntimaddi, Kevin M. Harris
  • GOLF BALLS CONTAINING INTERPENETRATING POLYMER NETWORKS
    Publication number: 20090011861
    Abstract: The present invention is directed to a golf ball that contains an interpenetrating polymer network, or IPN, including at least two polymeric components. These IPNs may be present in any golf ball layer, although in an intermediate or cover layer in one preferred embodiment. The present invention is also directed to methods of forming a golf ball containing an IPN in one or more of the layers.
    Type: Application
    Filed: September 17, 2008
    Publication date: January 8, 2009
    Inventors: Manjari Kuntimaddi, Shenshen Wu, Kevin M. Harris, Muradli Rajagopalan, David A. Bulpett, Mitchell E. Lutz
  • Golf balls containing interpenetrating polymer networks
    Patent number: 7429220
    Abstract: The present invention is directed to a golf ball that contains an interpenetrating polymer network, or IPN, including at least two polymeric components. These IPNs may be present in any golf ball layer, although in an intermediate or cover layer in one preferred embodiment. The present invention is also directed to methods of forming a golf ball containing an IPN in one or more of the layers.
    Type: Grant
    Filed: April 13, 2001
    Date of Patent: September 30, 2008
    Assignee: Acushnet Company
    Inventors: Manjari Kuntimaddi, Shenshen Wu, Kevin M. Harris, Murali Rajagopalan, David A. Bulpett, Mitchell E. Lutz
  • Reaction injection moldable compositions, methods for making same, and resultant golf articles
    Patent number: 7427241
    Abstract: A reaction injection molding process and compositions for forming golf equipment or components thereof that involves providing at least two reactable components that have a fast reaction time and injecting them with sufficient speed after they are mixed so that they are polymerized, solidified, or gelled in a mold cavity.
    Type: Grant
    Filed: September 15, 2003
    Date of Patent: September 23, 2008
    Assignee: Acushnet Company
    Inventors: Shenshen Wu, Murali Rajagopalan, Manjari Kuntimaddi, Kevin M. Harris
  • Interpenetrating polymer networks using blocked polyurethane/polyurea prepolymers for golf ball layers
    Publication number: 20080214735
    Abstract: The present invention is directed to a method of forming a golf ball that contains an interpenetrating polymer network, or IPN, which includes at least two polymeric systems, in one or more of the layers. The first polymeric system may include a polyurethane-based or polyurea-based system having blocked isocyanate groups and the second polymeric system may include an epoxy-based or acrylic-based system, wherein the two systems are polymerized or cured simultaneously or sequentially to form an IPN.
    Type: Application
    Filed: February 27, 2008
    Publication date: September 4, 2008
    Inventors: Manjari Kuntimaddi, Shenshen Wu, Murali Rajagopalan
  • Compositions for use in golf balls
    Patent number: 7417106
    Abstract: A golf ball having a core and at least one layer disposed about the core is disclosed. The at least one layer is formed from a composition having multiple reactive and/or non-reactive ingredients. At least one of these ingredients is a sterically hindered polyamine, preferably formed from an active hydrogen functional compound and an amine/acid ortho- or meta-substituted cyclic compound.
    Type: Grant
    Filed: September 14, 2005
    Date of Patent: August 26, 2008
    Assignee: Acushnet Company
    Inventors: Murali Rajagopalan, Shenshen Wu, Manjari Kuntimaddi
  • Compositions for use in golf balls
    Patent number: 7417107
    Abstract: A golf ball having a core and at least one layer disposed about the core is disclosed. The at least one layer is formed from a composition having multiple reactive and/or non-reactive ingredients. At least one of these ingredients is a telechelic polydiene polyahl having a polydispersity of 1.35 or less.
    Type: Grant
    Filed: September 14, 2005
    Date of Patent: August 26, 2008
    Assignee: Acushnet Company
    Inventors: Murali Rajagopalan, Shenshen Wu, Manjari Kuntimaddi, Shawn Ricci
  • Golf ball layer compositions comprising modified amine curing agents
    Publication number: 20080200283
    Abstract: Polyurethane-based and polyurea-based compositions including modified amine curing agents for use in golf ball layers where modified amine curing agent of the invention allows control of the reaction rate by providing a composition with both primary and secondary amine linkages.
    Type: Application
    Filed: November 15, 2006
    Publication date: August 21, 2008
    Inventors: Shenshen Wu, Manjari Kuntimaddi, Shawn Ricci, Kevin M. Harris, Murali Rajagopalan
  • Compositions for use in golf balls
    Patent number: 7402649
    Abstract: A golf ball having a core and at least one layer disposed about the core is disclosed. The core may further include a center and an outer core layer disposed about the center. The layer is formed from a composition having a prepolymer and a curative, the prepolymer being formed from an isocyanate and a blend of two or more telechelic polyahls, wherein a first telechelic polyahl has a first functionality of 3 or greater, which is greater than a second functionality of a second telechelic polyahl in the blend. The layer displays an enhanced shear resistance.
    Type: Grant
    Filed: October 5, 2005
    Date of Patent: July 22, 2008
    Assignee: Acushnet Company
    Inventor: Manjari Kuntimaddi
  • Compositions for Golf Equipment
    Publication number: 20080125247
    Abstract: The present invention is directed to golf balls having at least one layer formed from a polyurea composition. The polyurea is formed by combining a polyurea prepolymer, a polyamine curative, and a tin catalyst. Golf balls of the present invention include one-piece, two-piece, multi-layer, and wound golf balls. The composition may be present in any one or more of a core layer, a cover layer, or an intermediate layer.
    Type: Application
    Filed: December 27, 2007
    Publication date: May 29, 2008
    Inventors: Murali Rajagopalan, Shawn Ricci, Manjari Kuntimaddi, Shenshen Wu
  • Interpenetrating polymer networks using blocked polyurethane/polyurea prepolymers for golf ball layers
    Publication number: 20080058478
    Abstract: The present invention is directed to a method of forming a golf ball that contains an interpenetrating polymer network, or IPN, which includes at least two polymeric systems, in one or more of the layers. The first polymeric system may include a polyurethane-based or polyurea-based system having blocked isocyanate groups and the second polymeric system may include an epoxy-based or acrylic-based system, wherein the two systems are polymerized or cured simultaneously or sequentially to form an IPN.
    Type: Application
    Filed: October 30, 2007
    Publication date: March 6, 2008
    Inventors: Manjari Kuntimaddi, Shenshen Wu, Murali Rajagopalan
  • Interpenetrating polymer networks using blocked polyurethane/polyurea prepolymers for golf ball layers
    Patent number: 7339010
    Abstract: The present invention is directed to a method of forming a golf ball that contains an interpenetrating polymer network, or IPN, which includes at least two polymeric systems, in one or more of the layers. The first polymeric system may include a polyurethane-based or polyurea-based system having blocked isocyanate groups and the second polymeric system may include an epoxy-based or acrylic-based system, wherein the two systems are polymerized or cured simultaneously or sequentially to form an IPN.
    Type: Grant
    Filed: July 28, 2004
    Date of Patent: March 4, 2008
    Assignee: Acushnet Company
    Inventors: Manjari Kuntimaddi, Shenshen Wu, Murali Rajagopalan
  • Interpenetrating polymer networks using blocked polyurethane/polyurea prepolymers for golf ball layers
    Patent number: 7288604
    Abstract: The present invention is directed to a method of forming a golf ball that contains an interpenetrating polymer network, or IPN, which includes at least two polymeric systems, in one or more of the layers. The first polymeric system may include a polyurethane-based or polyurea-based system having blocked isocyanate groups and the second polymeric system may include an epoxy-based or acrylic-based system, wherein the two systems are polymerized or cured simultaneously or sequentially to form an IPN.
    Type: Grant
    Filed: July 28, 2004
    Date of Patent: October 30, 2007
    Assignee: Acushnet Company
    Inventors: Manjari Kuntimaddi, Shenshen Wu, Murali Rajagopalan