Patents by Inventor Humayun Mandal

Humayun Mandal 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).

  • Carbohydrate-Based Formaldehyde-Free Binder for Engineered Wood Products
    Publication number: 20230357607
    Abstract: Formaldehyde-free aqueous binder compositions, their preparation, and their use to prepare engineered composite products, where the aqueous binder has at least some solids content, the aqueous binder including a carbohydrate polymer in an amount of about 5% to about 90% of the solids content, by weight; a copolymer of an alkenyl aromatic with at least one of an acrylate or diene in an amount of about 1% to about 40% of the solids content, by weight; and urea in an amount of about 2% to about 90% of the solids content, by weight.
    Type: Application
    Filed: July 19, 2023
    Publication date: November 9, 2023
    Inventor: Humayun Mandal
  • A CARBOHYDRATE BASED 2-PART FORMALDEHYDE-FREE BINDER FOR COMPOSITE WOOD PRODUCTS MANUFACTURE
    Publication number: 20190169474
    Abstract: Formaldehyde-free aqueous binder compositions, their preparation, and their use to prepare engineered composite products, where the aqueous binder has at least some solids content, the aqueous binder including a carbohydrate polymer in an amount of about 5% to about 90% of the solids content, by weight; a copolymer of an alkenyl aromatic with at least one of an acrylate or diene in an amount of about 1% to about 40% of the solids content, by weight; and urea in an amount of about 2% to about 90% of the solids content, by weight.
    Type: Application
    Filed: May 18, 2017
    Publication date: June 6, 2019
    Applicant: EcoPro Polymers, Inc.
    Inventor: Humayun Mandal
  • Polymer-aldehyde binding system for manufacture of wood products
    Patent number: 7807749
    Abstract: A formaldehyde-free curable aqueous composition containing a hydroxy-containing polymer, a multi-functional crosslinking agent, and, optionally, a catalyst. The composition is used as a binder for lignocellulosic materials such as plywood, fiber particleboard, medium density fiberboard and oriented strand board.
    Type: Grant
    Filed: January 11, 2007
    Date of Patent: October 5, 2010
    Assignee: Dynea Oy
    Inventors: Elena Pisanova, Humayun Mandal
  • Polymer-aldehyde binding system for manufacture of wood products
    Publication number: 20070167561
    Abstract: A formaldehyde-free curable aqueous composition containing a hydroxy-containing polymer, a multi-functional crosslinking agent, and, optionally, a catalyst. The composition is used as a binder for lignocellulosic materials such as plywood, fiber particleboard, medium density fiberboard and oriented strand board.
    Type: Application
    Filed: January 11, 2007
    Publication date: July 19, 2007
    Inventors: Elena Pisanova, Humayun Mandal