Patents by Inventor Tugba Vardareli

Tugba Vardareli 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).

  • PROCESS FOR PREPARING ISOCYANATE-BASED STABLE DISPERSIONS COMPRISING DERIVATIZED POLYSACCHARIDES
    Publication number: 20230091439
    Abstract: The invention relates to a process for preparing a derivatized polysaccharide and stable isocyanate-based dispersions comprising derivatized polysaccharide.
    Type: Application
    Filed: February 26, 2021
    Publication date: March 23, 2023
    Inventors: Christopher Phanopoulos, Tugba Vardareli
  • Process for preparing derivatized polysaccharides
    Patent number: 9815911
    Abstract: The invention relates to a process for preparing a polysaccharide derivative, comprising the steps of: (a) contacting at least one polysaccharide with at least one polysaccharide swelling agent at a temperature of at most 70° C.; and (b) subsequently, contacting the product of step (a) with at least one aromatic isocyanate; thereby preparing a polysaccharide derivative.
    Type: Grant
    Filed: June 5, 2013
    Date of Patent: November 14, 2017
    Assignee: HUNTSMAN INTERNATIONAL LLC
    Inventors: Christopher Phanopoulos, Servaas Holvoet, Tugba Vardareli, Steve Diamanti
  • Process for Preparing Derivatized Polysaccharides
    Publication number: 20150152196
    Abstract: The invention relates to a process for preparing a polysaccharide derivative, comprising the steps of: (a) contacting at least one polysaccharide with at least one polysaccharide swelling agent at a temperature of at most 70° C.; and (b) subsequently, contacting the product of step (a) with at least one aromatic isocyanate; thereby preparing a polysaccharide derivative.
    Type: Application
    Filed: June 5, 2013
    Publication date: June 4, 2015
    Inventors: Christopher Phanopoulos, Servaas Holvoet, Tugba Vardareli, Steve Diamanti
  • ALKOXYSILANE FUNCTIONALIZED ISOCYANATE BASED MATERIALS
    Publication number: 20130079538
    Abstract: Alkoxysilane functionalized isocyanate based materials of low viscosity prepared by reacting in any possible order of addition an organic polyisocyanate with an isocyanate-reactive compound and an amino-functional alkoxysilane of formula I R-HN-R1-Si-(OR2)3?x(R3)x??(I) wherein R represents a group with electron withdrawing properties, R1 is a linear of branched alkylene or arylene group, R2 and R3 are identical or different and each represent alkylene or arylene groups and x is 0, 1 or 2.
    Type: Application
    Filed: June 17, 2011
    Publication date: March 28, 2013
    Applicant: Huntsman Internatioanl LLC
    Inventors: Christopher Phanopoulos, Steve John Diamanti, Tugba Vardareli, Servaas Holvoet