Patents by Inventor Rajdeep S. Kalgutkar

Rajdeep S. Kalgutkar 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: 12234389
    Abstract: Curable compositions of this disclosure comprise a mixture of: a silanol, a free radical initiator, an iodonium salt; and optionally an alkoxysilane, and/or an MQ resin, and/or (meth)acrylate monomer(s). In another aspect, cured compositions of this disclosure comprise: a cured silicone, a free radical initiator or residue thereof, an iodonium salt or residue thereof; and optionally a poly(meth)acrylate and/or an MQ resin, which may comprise the cured silicone. In another aspect, cured compositions of this disclosure comprise: a continuous phase of cured silicone, a discontinuous phase of poly(meth)acrylate inclusions, and optionally an MQ resin, which may comprise the cured silicone. The poly(meth)acrylate inclusions may have an average diameter of less than 1.0 micrometer or smaller. The compositions may be pressure sensitive adhesives. The curable and cured compositions may be solvent-free.
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: February 25, 2025
    Assignee: 3M Innovative Properties Company
    Inventors: Michele A. Craton, Rajdeep S. Kalgutkar, Kim M. Vogel, Dennis E. Vogel
  • Publication number: 20250059328
    Abstract: The present disclosure relates to a curable precursor of an adhesive composition, the curable precursor comprising a maleimide-terminated polyamide-imide polymer. The present disclosure further relates to an adhesive composition comprising a cured adhesive, wherein the cured adhesive is the reaction product of said curable precursor, and to a process for making said curable precursor of an adhesive composition, the process comprising reacting an amine-terminated polyamide with a bis-maleimide by a poly-Michael-Addition.
    Type: Application
    Filed: December 7, 2022
    Publication date: February 20, 2025
    Inventors: Ralph R. Roberts, Rajdeep S. Kalgutkar
  • Patent number: 12110375
    Abstract: Compositions are provided including an uncrosslinked thermoplastic nitrogen-containing matrix material and composite particles distributed in the matrix material. The composite particles each include a chemical blowing agent particle encapsulated within a shell including an uncrosslinked thermoplastic material. The uncrosslinked thermoplastic material exhibits at least a certain minimum complex viscosity at a decomposition temperature of the chemical blowing agent particle. Also described are foam compositions and articles including the foam compositions, such as a sheet or multilayer construction. Composite particles are further provided. Methods of making the foam compositions are additionally described herein. Also, polishing pads, polishing systems, and methods of polishing a substrate are provided.
    Type: Grant
    Filed: August 15, 2023
    Date of Patent: October 8, 2024
    Assignee: 3M Innovative Properties Company
    Inventors: Joshua M. Fishman, Jeffrey P. Kalish, Caitlin E. Meree, Qin Lin, Nicholas K. Lee, Li Yao, Rajdeep S. Kalgutkar, Duy K. Lehuu, David T. Amos
  • Publication number: 20240270468
    Abstract: The present application relates to compostable articles and compositions including at least one biodegradable polymer and a hydrophobic agent. In some embodiments, the compostable articles and compositions include a second biodegradable polymer, different from the first biodegradable polymer. In some embodiments, the first biodegradable polymer is selected from the group consisting of poly(ethylene succinate) (PES), poly(trimethylene succinate) (PTS), poly(butylene succinate) (PBS), poly(butylene succinate co-butylene adipate) (PBSA), poly (butylene adipate co-terephthalate) (PBAT), poly(tetramethylene adipate-co-terephthalate) (PTAT), and thermoplastic starch. In some embodiments, the presently described articles include packaging.
    Type: Application
    Filed: March 27, 2024
    Publication date: August 15, 2024
    Inventors: Ignatius A. Kadoma, Sithya S. Khieu, Rajdeep S. Kalgutkar, Stephen M. Sanocki, Yaohua Gao, Annabelle Watts, Satinder K. Nayar, Verlin W. Schelhaas, Timothy J. Rowell, Jeffrey E. Zelinsky, Kimberly C.M. Schultz, Lori-Ann S. Prioleau, Kenneth P. Morris
  • Publication number: 20230383080
    Abstract: Compositions are provided including an uncrosslinked thermoplastic nitrogen-containing matrix material and composite particles distributed in the matrix material. The composite particles each include a chemical blowing agent particle encapsulated within a shell including an uncrosslinked thermoplastic material. The uncrosslinked thermoplastic material exhibits at least a certain minimum complex viscosity at a decomposition temperature of the chemical blowing agent particle. Also described are foam compositions and articles including the foam compositions, such as a sheet or multilayer construction. Composite particles are further provided. Methods of making the foam compositions are additionally described herein. Also, polishing pads, polishing systems, and methods of polishing a substrate are provided.
    Type: Application
    Filed: August 15, 2023
    Publication date: November 30, 2023
    Inventors: Joshua M. Fishman, Jeffrey P. Kalish, Caitlin E. Meree, Qin Lin, Nicholas K. Lee, Li Yao, Rajdeep S. Kalgutkar, Duy K. Lehuu, David T. Amos
  • Patent number: 11767406
    Abstract: Compositions are provided including an uncrosslinked thermoplastic nitrogen-containing matrix material and composite particles distributed in the matrix material. The composite particles each include a chemical blowing agent particle encapsulated within a shell including an uncrosslinked thermoplastic material. The uncrosslinked thermoplastic material exhibits at least a certain minimum complex viscosity at a decomposition temperature of the chemical blowing agent particle. Also described are foam compositions and particles including the foam compositions, such as a sheet or multilayer construction. Composite particles are further provided. Methods of making the foam compositions are additionally described herein. Also, polishing pads, polishing systems, and methods of polishing a substrate are provided.
    Type: Grant
    Filed: June 9, 2020
    Date of Patent: September 26, 2023
    Assignee: 3M Innovative Properties Company
    Inventors: Joshua M. Fishman, Jeffrey P. Kalish, Caitlin E. Meree, Qin Lin, Nicholas K. Lee, Li Yao, Rajdeep S. Kalgutkar, Duy K. Lehuu, David T. Amos
  • Publication number: 20230295391
    Abstract: Films including solvent barriers and primer layers are described. In particular, films including a substrate, the substrate including polylactic acid, a primer layer disposed on the substrate, a barrier layer disposed on the surface of the primer layer opposite the substrate, and an adhesive layer disposed on a surface of the barrier layer opposite the primer layer. The barrier layer includes an amorphous aliphatic polyamide with a glass transition temperature of at least 40 #C. Such films can provide acceptable adhesion and barrier performance to polylactic acid based graphics film systems.
    Type: Application
    Filed: August 18, 2021
    Publication date: September 21, 2023
    Inventors: Tianyu Wu, Rajdeep S. Kalgutkar, Ning Zhou, David B. Bilbrey
  • Patent number: 11731408
    Abstract: A multilayer film comprises first, second, and third layers. The first layer comprises at least one aromatic polyester, and has a loss modulus at 1 hertz and 25° C. of at least 70 megapascals. The second layer is thermoplastic and has a loss modulus at 1 hertz and 25° C. of less than or equal to 60 megapascals and comprises a thermoplastic elastomer and a polyamide. The third layer contacts the second layer opposite the first layer and has a loss modulus at 1 hertz and 25° C. of at least 70 megapascals. The second layer is sandwiched between the first and third layers. A method of making the multilayer film by coextrusion is also disclosed.
    Type: Grant
    Filed: September 18, 2020
    Date of Patent: August 22, 2023
    Assignee: 3M Innovative Properties Company
    Inventors: Mario A. Perez, Mary E. Johansen, Sebastian Goris, Lesbia E. Giron, Rajdeep S. Kalgutkar, Ta-Hua Yu, Paul T. Hines, Stephen A. Johnson
  • Publication number: 20230167243
    Abstract: Branched amorphous polyamide (co)polymers having a backbone formed by reacting a reaction mixture including at least 25 mol % of a di-amine selected from a secondary di-amine, a branched di-amine, or a combination thereof; and an aliphatic acid blend including a branched aliphatic dimer acid and a branched aliphatic trimer acid. The molar equivalent ratio of the di¬ amine to the aliphatic acid blend is 0.9-1.1. Preferably, the branched amorphous polyamide (co)polymer is not telechelic. The branched amorphous polyamide (co)polymer preferably exhibits one or more of a shear modulus of from 10,000 to 500,000 Pa at 70° C., a complex viscosity of greater than 1,000,000 mPa*s at 70° C., a glass transition temperature of less than 25° C., or a number average molecular weight of greater than 10,000 Da. Biodegradable and/or compostable adhesive articles including the branched amorphous polyamide (co)polymer also are disclosed.
    Type: Application
    Filed: April 13, 2021
    Publication date: June 1, 2023
    Inventors: Rajdeep S. Kalgutkar, David T. Amos, Ignatius A. Kadoma, Joseph A. Severance, Jilliann M. Nelson, Annabelle Watts, Jonathan J. Anderson, Kimberly C.M. Schultz
  • Publication number: 20230150741
    Abstract: The present application relates to compostable articles and compositions including at least one biodegradable polymer and a hydrophobic agent. In some embodiments, the compostable articles and compositions include a second biodegradable polymer, different from the first biodegradable polymer. In some embodiments, the first biodegradable polymer is selected from the group consisting of polyethylene succinate) (PES), poly(trimethylene succinate) (PTS), poly(butylene succinate) (PBS), poly(butylene succinate co-butylene adipate) (PBS A), poly(butylene adipate co-terephthalate) (PBAT), poly(tetramethylene adipate-co-terephthalate) (PTAT), and thermoplastic starch. In some embodiments, the presently described articles include packaging.
    Type: Application
    Filed: April 14, 2021
    Publication date: May 18, 2023
    Inventors: Ignatius A. Kadoma, Sithya S. Khieu, Rajdeep S. Kalgutkar, Stephen M. Sanocki, Yaohua Gao, Annabelle Watts, Satinder K. Nayar, Verlin W. Schelhaas, Timothy J. Rowell, Jeffrey E. Zelinsky, Kimberly C.M. Schultz, Lori-Ann S. Prioleau, Kenneth P. Morris
  • Publication number: 20220347982
    Abstract: A multilayer film comprises first, second, and third layers. The first layer comprises at least one aromatic polyester, and has a loss modulus at 1 hertz and 25° C. of at least 70 megapascals. The second layer is thermoplastic and has a loss modulus at 1 hertz and 25° C. of less than or equal to 60 megapascals and comprises a thermoplastic elastomer and a polyamide. The third layer contacts the second layer opposite the first layer and has a loss modulus at 1 hertz and 25° C. of at least 70 megapascals. The second layer is sandwiched between the first and third layers. A method of making the multilayer film by coextrusion is also disclosed.
    Type: Application
    Filed: September 18, 2020
    Publication date: November 3, 2022
    Inventors: Mario A. Perez, Mary E. Johansen, Sebastian Goris, Lesbia E. Giron, Rajdeep S. Kalgutkar, Ta-Hua Yu, Paul T. Hines, Stephen A. Johnson
  • Publication number: 20220332898
    Abstract: Curable compositions of this disclosure comprise a mixture of: a silanol, a free radical initiator, an iodonium salt; and optionally an alkoxysilane, and/or an MQ resin, and/or (meth)acrylate monomer(s). In another aspect, cured compositions of this disclosure comprise: a cured silicone, a free radical initiator or residue thereof, an iodonium salt or residue thereof; and optionally a poly(meth)acrylate and/or an MQ resin, which may comprise the cured silicone. In another aspect, cured compositions of this disclosure comprise: a continuous phase of cured silicone, a discontinuous phase of poly(meth)acrylate inclusions, and optionally an MQ resin, which may comprise the cured silicone. The poly(meth)acrylate inclusions may have an average diameter of less than 1.0 micrometer or smaller. The compositions may be pressure sensitive adhesives. The curable and cured compositions may be solvent-free.
    Type: Application
    Filed: September 25, 2020
    Publication date: October 20, 2022
    Inventors: Michele A. Craton, Rajdeep S. Kalgutkar, Kim M. Vogel, Dennis E. Vogel
  • Publication number: 20220315807
    Abstract: An adhesive article including: a coextruded polymeric backing that includes: a first layer including an amorphous polyamide, the first layer having first and second opposing major surfaces; and a second layer including a polar-modified polyolefin, the second layer having first and second opposing major surfaces; wherein the first major surface of the second layer is in contact with the second major surface of the first layer; and an acrylic pressure sensitive adhesive layer in contact with the first major surface of the first layer of the backing.
    Type: Application
    Filed: September 3, 2020
    Publication date: October 6, 2022
    Inventors: David T. Amos, Jeffrey O. Emslander, Lacey M. Strand, Edward E. Cole, Jay M. Jennen, Rajdeep S. Kalgutkar, Jilliann M. Nelson, Jacob D. Young, Robert D. Waid, Doreen Eckhardt, Daniel Zulkarnain
  • Publication number: 20220177663
    Abstract: Compositions are provided including an uncrosslinked thermoplastic nitrogen-containing matrix material and composite particles distributed in the matrix material. The composite particles each include a chemical blowing agent particle encapsulated within a shell including an uncrosslinked thermoplastic material. The uncrosslinked thermoplastic material exhibits at least a certain minimum complex viscosity at a decomposition temperature of the chemical blowing agent particle. Also described are foam compositions and particles including the foam compositions, such as a sheet or multilayer construction. Composite particles are further provided. Methods of making the foam compositions are additionally described herein. Also, polishing pads, polishing systems, and methods of polishing a substrate are provided.
    Type: Application
    Filed: June 9, 2020
    Publication date: June 9, 2022
    Inventors: Joshua M. Fishman, Jeffrey P. Kalish, Caitlin E. Meree, Qin Lin, Nicholas K. Lee, Li Yao, Rajdeep S. Kalgutkar, Duy K. Lehuu, David T. Amos
  • Patent number: 11193016
    Abstract: Curable compositions, cured compositions formed from the curable compositions, and articles containing the cured compositions are provided. The curable compositions include (a) a curable component that includes (1) an epoxy resin, (2) a polyamide composition, (3) a multifunctional amine compound, and (4) a multifunctional (meth)acrylate compound and (b) an optional inorganic filler. The curable composition can result in the formation of cured compositions with properties such as good tensile strength, good elongation at break, good overlap shear strength, good adhesion to substrates such as metal substrates, or a combination thereof.
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: December 7, 2021
    Assignee: 3M Innovative Properties Company
    Inventors: Li Yao, Rajdeep S. Kalgutkar, Mario A. Perez, Wayne S. Mahoney
  • Publication number: 20210122915
    Abstract: Curable compositions, cured compositions formed from the curable compositions, and articles containing the cured compositions are provided. The curable compositions include (a) a curable component that includes (1) an epoxy resin, (2) a polyamide composition, (3) a multifunctional amine compound, and (4) a multifunctional (meth)acrylate compound and (b) an optional inorganic filler. The curable composition can result in the formation of cured compositions with properties such as good tensile strength, good elongation at break, good overlap shear strength, good adhesion to substrates such as metal substrates, or a combination thereof.
    Type: Application
    Filed: April 25, 2019
    Publication date: April 29, 2021
    Inventors: Li Yao, Rajdeep S. Kalgutkar, Mario A. Perez, Wayne S. Mahoney
  • Publication number: 20210122952
    Abstract: A curable composition includes a polyamide composition that includes a first polyamide. The first polyamide includes a tertiary amide in the backbone thereof and is amine terminated. The curable composition further includes an amino functional compound comprising from 2 to 20 carbon atoms, a multifunctional (meth)acrylate, an epoxy resin, and an inorganic filler. The inorganic filler is present an amount of at least 25 wt. %, based on the total weight of the curable composition.
    Type: Application
    Filed: January 31, 2019
    Publication date: April 29, 2021
    Inventors: Li Yao, Rajdeep S. Kalgutkar, Mario A. Perez, Wayne S. Mahoney, Jeremy M. Higgins, Brett A. Beierman
  • Patent number: 10865330
    Abstract: Segmented silicone polyamide block copolymers that comprise dimer acid residues and articles containing the same.
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: December 15, 2020
    Assignee: 3M Innovative Properties Company
    Inventors: Rajdeep S. Kalgutkar, Ramesh C. Kumar, David S. Hays, Joseph A. Severance, Timothy M. Hackbarth
  • Publication number: 20200259137
    Abstract: A curable composition includes a polyamide composition comprising a polyamide. The polyamide comprises a tertiary amide in the backbone thereof and is amine terminated. The curable composition also comprises an epoxy composition that includes an epoxy resin.
    Type: Application
    Filed: October 3, 2018
    Publication date: August 13, 2020
    Inventors: Li Yao, Rajdeep S. Kalgutkar, Mario A. Perez, Jeremy M. Higgins, Taesung Kim, Brett A. Beiermann
  • Patent number: 10138367
    Abstract: Copolymers of poly(ethylene-co-acrylic acid) and polydiorganosiloxanes, compositions comprising the same, and articles comprising the copolymers, compositions, or both.
    Type: Grant
    Filed: April 21, 2015
    Date of Patent: November 27, 2018
    Assignee: 3M Innovative Properties Company
    Inventors: Rajdeep S. Kalgutkar, Joseph A. Severance, David S. Hays, Alexander J. Kugel, Eugene H. Carlson