Patents by Inventor Hariharan Krishnan Nair

Hariharan Krishnan Nair 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: 11872784
    Abstract: The present disclosure relates to a lamitube comprising: a) a top layer comprising at least one ethylene polymer; and b) a second layer comprising at least one ethylene polymer having a first surface and a second surface, wherein the lamitube has a density in the range of 0.942-0.99 gm/cm3. The present disclosure also discloses a process of manufacturing a lamitube comprising the steps of forming the layers and laminating the layers together, then slitting into reels of desired width in the range of 63-320 mm, followed by tubing from the reels.
    Type: Grant
    Filed: June 18, 2021
    Date of Patent: January 16, 2024
    Assignee: EPL LIMITED
    Inventor: Hariharan Krishnan Nair
  • Patent number: 11667109
    Abstract: A recyclable article includes 50-90 wt % of at least one polyethylene having a density in the range 0.94 to 0.97 g/cm3. The article exhibits Young's modulus less than 700 MPa; and a haze value less than or equal to 50%. The recyclable article can be included in a film or a laminate. The article can be prepared using a blown film extrusion process.
    Type: Grant
    Filed: September 10, 2021
    Date of Patent: June 6, 2023
    Inventor: Hariharan Krishnan Nair
  • Publication number: 20230027080
    Abstract: A laminate includes a multilayer outer film, which includes a first barrier layer and polyolefin layer on both sides of the first barrier layer, and a multilayer middle film, which includes a second barrier layer and polyolefin layer on both sides of the second barrier layer. The polyolefin layer of the multilayer outer film towards the multilayer middle film and/or the polyolefin layer of the multilayer middle film towards the multilayer outer film is metallized with a metal selected from aluminum, nickel, chromium, or combinations thereof. A process can be used for preparing the laminate and an article can include the laminate.
    Type: Application
    Filed: January 28, 2022
    Publication date: January 26, 2023
    Inventor: Hariharan Krishnan Nair
  • Patent number: 11518151
    Abstract: The present disclosure discloses multilayer barrier (F) comprising: (a) at least one polyolefin core layer (A); (b) at least one barrier layer (B) on both the sides of the core layer; and (c) at least one polyolefin layer (C) adjacent to the at least one barrier layer, wherein the at least one barrier layer individually has thickness in the range of 1 ?m-25 ?m. It also discloses a process of preparing the multilayer barrier film. Additionally, a laminate comprising the multilayer barrier film of the present disclosure and a process of preparing the laminate is discussed. Furthermore, an article comprising the multilayer barrier film or the laminate of the present disclosure is also disclosed.
    Type: Grant
    Filed: June 18, 2021
    Date of Patent: December 6, 2022
    Inventor: Hariharan Krishnan Nair
  • Publication number: 20220363041
    Abstract: The present disclosure provides a barrier laminate (F) comprising: a) at least one polyolefin core layer (X); b) at least one barrier layer (Y) joined to both the sides of the at least one polyolefin core layer (X); and c) at least one polyolefin layer (Z) adjacent to the at least one barrier layer (Y), wherein the at least one barrier layer is a polyvinyl alcohol (PVOH) coating layer on one side of the at least one polyolefin core layer (X) and has a coating thickness in the range of 0.1 gsm-1.5 gsm. The present disclosure also provides a process for preparing the barrier laminate.
    Type: Application
    Filed: July 27, 2022
    Publication date: November 17, 2022
    Inventor: Hariharan Krishnan NAIR
  • Publication number: 20220097349
    Abstract: The present disclosure discloses multilayer barrier (F) comprising: (a) at least one polyolefin core layer (A); (b) at least one barrier layer (B) on both the sides of the core layer; and (c) at least one polyolefin layer (C) adjacent to the at least one barrier layer, wherein the at least one barrier layer individually has thickness in the range of 1 ?m-25 ?m. It also discloses a process of preparing the multilayer barrier film. Additionally, a laminate comprising the multilayer barrier film of the present disclosure and a process of preparing the laminate is discussed. Furthermore, an article comprising the multilayer barrier film or the laminate of the present disclosure is also disclosed.
    Type: Application
    Filed: June 16, 2020
    Publication date: March 31, 2022
    Inventor: Hariharan Krishnan NAIR
  • Publication number: 20220072834
    Abstract: A recyclable article includes 50-90 wt % of at least one polyethylene having a density in the range 0.94 to 0.97 g/cm3. The article exhibits Young's modulus less than 700 MPa; and a haze value less than or equal to 50%. The recyclable article can be included in a film or a laminate. The article can be prepared using a blown film extrusion process.
    Type: Application
    Filed: September 10, 2021
    Publication date: March 10, 2022
    Inventor: Hariharan Krishnan NAIR
  • Publication number: 20220048280
    Abstract: The present disclosure discloses a multilayer film comprising: (a) at least one print layer (102); (b) at least one tie layer (104); (c) at least one second tie layer (108); and (d) at least one sealant layer (110), wherein the multilayer film comprises at least one polyethylene having a weight percentage in the range of 80-95% with respect to the multilayer film, and a density in the range of 0.941-0.99 gm/cm3. Also disclosed herein is a process of manufacturing a multilayer film.
    Type: Application
    Filed: October 7, 2020
    Publication date: February 17, 2022
    Inventor: Hariharan Krishnan NAIR
  • Publication number: 20220016864
    Abstract: The present disclosure relates to a lamitube comprising: a) a top layer comprising at least one ethylene polymer; and b) a second layer comprising at least one ethylene polymer having a first surface and a second surface, wherein the lamitube has a density in the range of 0.942-0.99 gm/cm3. The present disclosure also discloses a process of manufacturing a lamitube comprising the steps of forming the layers and laminating the layers together, then slitting into reels of desired width in the range of 63-320 mm, followed by tubing from the reels.
    Type: Application
    Filed: October 7, 2020
    Publication date: January 20, 2022
    Inventor: Hariharan Krishnan Nair
  • Publication number: 20210308996
    Abstract: The present disclosure discloses a multilayer film comprising: (a) at least one print layer (102); (b) at least one tie layer (104); (c) at least one second tie layer (108); and (d) at least one sealant layer (110), wherein the multilayer film comprises at least one polyethylene having a weight percentage in the range of 80-95% with respect to the multilayer film, and a density in the range of 0.941-0.99 gm/cm3. Also disclosed herein is a process of manufacturing a multilayer film.
    Type: Application
    Filed: June 18, 2021
    Publication date: October 7, 2021
    Inventor: Hariharan Krishnan Nair
  • Publication number: 20210308995
    Abstract: The present disclosure discloses multilayer barrier (F) comprising: (a) at least one polyolefin core layer (A); (b) at least one barrier layer (B) on both the sides of the core layer; and (c) at least one polyolefin layer (C) adjacent to the at least one barrier layer, wherein the at least one barrier layer individually has thickness in the range of 1 ?m-25 ?m. It also discloses a process of preparing the multilayer barrier film. Additionally, a laminate comprising the multilayer barrier film of the present disclosure and a process of preparing the laminate is discussed. Furthermore, an article comprising the multilayer barrier film or the laminate of the present disclosure is also disclosed.
    Type: Application
    Filed: June 18, 2021
    Publication date: October 7, 2021
    Inventor: Hariharan Krishnan NAIR
  • Publication number: 20210308979
    Abstract: The present disclosure relates to a lamitube comprising: a) a top layer comprising at least one ethylene polymer; and b) a second layer comprising at least one ethylene polymer having a first surface and a second surface, wherein the lamitube has a density in the range of 0.942-0.99 gm/cm3. The present disclosure also discloses a process of manufacturing a lamitube comprising the steps of forming the layers and laminating the layers together, then slitting into reels of desired width in the range of 63-320 mm, followed by tubing from the reels.
    Type: Application
    Filed: June 18, 2021
    Publication date: October 7, 2021
    Inventor: Hariharan Krishnan Nair