Patents by Inventor Chandrashekhar Ramchandra Abhyankar

Chandrashekhar Ramchandra Abhyankar 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: 10730270
    Abstract: The present disclosure provides a metallized polyethylene laminate comprising: an outer polyethylene layer; a metallized acid copolymer layer; an inner polyethylene layer in contact with the metallized acid copolymer layer; and optionally an extruded polyethylene layer; and a sealant layer of polyethylene.
    Type: Grant
    Filed: August 1, 2012
    Date of Patent: August 4, 2020
    Assignee: Essel Propack Ltd.
    Inventors: Mrinal Kanti Banerjee, Chandrashekhar Ramchandra Abhyankar
  • Patent number: 10214639
    Abstract: The present disclosure relates to a post consumer recycled polymer composition comprising: 80% to 95% (w/w) of a post consumer recycled resin; and 5% to 20% (w/w) of at least one additive. The present disclosure further relates to a laminate comprising: an outer layer of a post consumer recycled polymer composition; a middle layer of post consumer recycled polymer composition; and an inner layer of virgin resins. The present disclosure also relates to a process for manufacturing tubes comprising: extrusion of post consumer recycled polymer composition comprising 80% to 95% (w/w) of an post consumer recycled resin; and 5% to 20% (w/w) of at least one additive, through a circular slit to form a long cylindrical hollow pipe; slicing the long cylindrical hollow pipe to form tube sleeves; forming tube shoulder and neck; and attaching the tube shoulder and the neck to the tube sleeves to obtain a tube.
    Type: Grant
    Filed: June 1, 2012
    Date of Patent: February 26, 2019
    Assignee: Essel Propack Ltd.
    Inventors: Chandrashekhar Ramchandra Abhyankar, Mrinal Kanti Banerjee
  • Publication number: 20170008247
    Abstract: The present relates a laminate comprising: an outer polyethylene (PE) layer; a first adhesive layer; a substrate layer with one side selectively vacuum metalized or selectively reverse printed and said printed or metalized side is toward first adhesive layer; a second adhesive layer; an ethylene vinyl alcohol (EVOH) polymer barrier film layer; an linear density polyethylene (LDPE) extrusion layer; and an inner polyethylene (PE) layer. The present disclosure further relates to tubes made of the partially opaque and partially clear laminate. The present disclosure also relates to a process of manufacturing of tubes using the said laminate.
    Type: Application
    Filed: September 20, 2016
    Publication date: January 12, 2017
    Inventors: Tapan Kumar Banerjee, Chandrashekhar Ramchandra Abhyankar, Mrinal Kanti Banerjee
  • Patent number: 9486987
    Abstract: The present relates a laminate comprising: an outer polyethylene (PE) layer; a first adhesive layer; a substrate layer with one side selectively vacuum metalized or selectively reverse printed and said printed or metalized side is toward first adhesive layer; a second adhesive layer; an ethylene vinyl alcohol (EVOH) polymer barrier film layer; an linear density polyethylene (LDPE) extrusion layer; and an inner polyethylene (PE) layer. The present disclosure further relates to tubes made of the partially opaque and partially clear laminate. The present disclosure also relates to a process of manufacturing of tubes using the said laminate.
    Type: Grant
    Filed: June 14, 2012
    Date of Patent: November 8, 2016
    Assignee: Essel Propack Ltd.
    Inventors: Tapan Kumar Banerjee, Chandrashekhar Ramchandra Abhyankar, Mrinal Kanti Banerjee
  • Patent number: 9193509
    Abstract: The present disclosure relates to a dual barrier laminate structure, particularly suitable for aggressive or moisture containing products. The present disclosure also relates to a plastic based laminate (PBL) or an aluminum based laminate (ABL) comprising the said dual barrier laminate.
    Type: Grant
    Filed: June 14, 2012
    Date of Patent: November 24, 2015
    Assignee: ESSEL PROPACK LIMITED
    Inventors: Chandrashekhar Ramchandra Abhyankar, Mrinal Kanti Banerjee
  • Publication number: 20140346172
    Abstract: A tamper-evident closure (100) is described, wherein the tamper-evident closure (100) comprises a body (102), a cap portion (104) coupled to the body (102) by a joint (106), and a tab (124) attached to a closure body skirt (122) of the body (102) to provide a space (126) between the closure body skirt (122) and the tab (124) to accommodate a lip portion (114) of the cap portion (104). Further, an inset (129) is provided below the tab (124) in the body skirt (122), wherein the tab (124) and the closure body skirt (122) are attached to one another by a seal.
    Type: Application
    Filed: August 30, 2012
    Publication date: November 27, 2014
    Applicant: ESSEL PROPACK LIMITED
    Inventors: Mrinal Kanti Banerjee, Chandrashekhar Ramchandra Abhyankar, Avinash Velandy Mukkolath
  • Publication number: 20140295118
    Abstract: The present disclosure provides a metallized polyethylene laminate comprising: an outer polyethylene layer; a metallized acid copolymer layer; an inner polyethylene layer in contact with the metallized acid copolymer layer; and optionally an extruded polyethylene layer; and a sealant layer of polyethylene.
    Type: Application
    Filed: August 1, 2012
    Publication date: October 2, 2014
    Applicant: ESSEL PROPACK LTD.
    Inventors: Mrinal Kanti Banerjee, Chandrashekhar Ramchandra Abhyankar
  • Publication number: 20140134370
    Abstract: The present disclosure relates to a multilayered film comprising: an outer polyethylene layer; a core layer comprising 40% to 49% (w/w) of polypropylene homopolymer, 51% to 55% (w/w) of LLDPE, and 0% to 5% (w/w) of at least one additive; and an inner polyethylene layer. The multilayered film of the present disclosure exhibits good mechanical strength with lower thickness. The present disclosure also relates to a laminate comprising: an outer printing layer; a middle barrier layer; and an inner sealant layer; wherein at least one of the outer printing layer or the inner sealant layer is made up of a multilayered film comprising: an outer polyethylene layer; a core layer comprising 40% to 49% (w/w) of polypropylene homopolymer, 51% to 55% (w/w) of LLDPE, and 0% to 5% (w/w) of at least one additive; and an inner polyethylene layer. The present disclosure further relates to a laminated tube.
    Type: Application
    Filed: June 14, 2012
    Publication date: May 15, 2014
    Applicant: ESSEL PROPACK LTD.
    Inventors: Chandrashekhar Ramchandra Abhyankar, Mrinal Kanti Banjerjee
  • Publication number: 20140124404
    Abstract: The present disclosure relates to a dual barrier laminate structure, particularly suitable for aggressive or moisture containing products. The present disclosure also relates to a plastic based laminate (PBL) or an aluminum based laminate (ABL) comprising the said dual barrier laminate.
    Type: Application
    Filed: June 14, 2012
    Publication date: May 8, 2014
    Applicant: East Propack Limited
    Inventors: Chandrashekhar Ramchandra Abhyankar, Mrinal Kanti Banerjee
  • Publication number: 20140124130
    Abstract: The present relates a laminate comprising: an outer polyethylene (PE) layer; a first adhesive layer; a substrate layer with one side selectively vacuum metalized or selectively reverse printed and said printed or metalized side is toward first adhesive layer; a second adhesive layer; an ethylene vinyl alcohol (EVOH) polymer barrier film layer; an linear density polyethylene (LDPE) extrusion layer; and an inner polyethylene (PE) layer. The present disclosure further relates to tubes made of the partially opaque and partially clear laminate. The present disclosure also relates to a process of manufacturing of tubes using the said laminate.
    Type: Application
    Filed: June 14, 2012
    Publication date: May 8, 2014
    Applicant: ESSEL PROPACK LTD.
    Inventors: Tapan Kumar Banerjee, Chandrashekhar Ramchandra Abhyankar, Mrinal Kanti Banerjee
  • Publication number: 20140106152
    Abstract: The present disclosure relates to a post consumer recycled polymer composition comprising: 80% to 95% (w/w) of a post consumer recycled resin; and 5% to 20% (w/w) of at least one additive. The present disclosure further relates to a laminate comprising: an outer layer of a post consumer recycled polymer composition; a middle layer of post consumer recycled polymer composition; and an inner layer of virgin resins. The present disclosure also relates to a process for manufacturing tubes comprising: extrusion of post consumer recycled polymer composition comprising 80% to 95% (w/w) of an post consumer recycled resin; and 5% to 20% (w/w) of at least one additive, through a circular slit to form a long cylindrical hollow pipe; slicing the long cylindrical hollow pipe to form tube sleeves; forming tube shoulder and neck; and attaching the tube shoulder and the neck to the tube sleeves to obtain a tube.
    Type: Application
    Filed: June 1, 2012
    Publication date: April 17, 2014
    Applicant: ESSEL PROPACK LTD.
    Inventors: Chandrashekhar Ramchandra Abhyankar, Mrinal Kanti Banerjee
  • Publication number: 20140096861
    Abstract: The present disclosure provides a bio-degradable polymer composition comprising: 30% to 50% (w/w) of an extrusion grade bio-degradable polymer; and 50% to 70% (w/w) of an injection molding grade bio-degradable polymer. The bio-degradable polymer composition of the present disclosure is used for manufacturing bio-degradable article, such as bio-degradable tubes. The present disclosure further provides a process for manufacturing of bio-degradable tube. These and other features, aspects, and advantages of the present subject matter will become better understood with reference to the following description and appended claims. This summary is provided to introduce a selection of concepts in a simplified form.
    Type: Application
    Filed: June 11, 2012
    Publication date: April 10, 2014
    Applicant: Essel Propack Limited
    Inventors: Chandrashekhar Ramchandra Abhyankar, Mrinal Kanti Banerjee