Patents by Inventor Kali Ananth Suryadevara

Kali Ananth Suryadevara 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).

  • Flame-retardant polyurethane foam
    Patent number: 11674010
    Abstract: A thermoset foam comprises from 0.2 to 4.0 wt. % of at least one aliphatic brominated polyether polyol, from 2.0 to 7.0 wt. % of at least one aromatic brominated polyester polyol, and from 2.0 to 7.5 wt. % of at least one flame retardant comprising organo-phosphate, organo-phosphonate, or organo-phosphite, wherein the ratio of the amount of aliphatic bromine expressed as a percentage of total bromine to the amount of aromatic bromine expressed as a percentage of total bromine is from 10:90 to 50:50.
    Type: Grant
    Filed: January 25, 2022
    Date of Patent: June 13, 2023
    Assignee: DDP SPECIALTY ELECTRONIC MATERIALS US, LLC
    Inventors: Kali Ananth Suryadevara, Mark W. Beach, Dakai Ren
  • FLAME-RETARDANT POLYURETHANE FOAM
    Publication number: 20220145032
    Abstract: A thermoset foam comprises from 0.2 to 4.0 wt. % of at least one aliphatic brominated polyether polyol, from 2.0 to 7.0 wt. % of at least one aromatic brominated polyester polyol, and from 2.0 to 7.5 wt. % of at least one flame retardant comprising organo-phosphate, organo-phosphonate, or organo-phosphite, wherein the ratio of the amount of aliphatic bromine expressed as a percentage of total bromine to the amount of aromatic bromine expressed as a percentage of total bromine is from 10:90 to 50:50.
    Type: Application
    Filed: January 25, 2022
    Publication date: May 12, 2022
    Inventors: Kali Ananth Suryadevara, Mark W. Beach, Dakai Ren
  • Flame-retardant polyurethane foam
    Patent number: 11267945
    Abstract: A thermoset foam comprises from 0.2 to 4.0 wt. % of at least one aliphatic brominated polyether polyol, from 2.0 to 7.0 wt. % of at least one aromatic brominated polyester polyol, and from 2.0 to 7.5 wt. % of at least one flame retardant comprising organo-phosphate, organo-phosphonate, or organo-phosphite, wherein the ratio of the amount of aliphatic bromine expressed as a percentage of total bromine to the amount of aromatic bromine expressed as a percentage of total bromine is from 10:90 to 50:50.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: March 8, 2022
    Assignee: DDP SPECIALTY ELECTRONIC MATERIALS US, LLC
    Inventors: Kali Ananth Suryadevara, Mark W. Beach, Dakai D. Ren
  • FLAME-RETARDANT POLYURETHANE FOAM
    Publication number: 20210238375
    Abstract: A thermoset foam comprises from 0.2 to 4.0 wt. % of at least one aliphatic brominated polyether polyol, from 2.0 to 7.0 wt. % of at least one aromatic brominated polyester polyol, and from 2.0 to 7.5 wt. % of at least one flame retardant comprising organo-phosphate, organo-phosphonate, or organo-phosphite, wherein the ratio of the amount of aliphatic bromine expressed as a percentage of total bromine to the amount of aromatic bromine expressed as a percentage of total bromine is from 10:90 to 50:50.
    Type: Application
    Filed: January 31, 2020
    Publication date: August 5, 2021
    Inventors: Kali Ananth Suryadevara, Mark W. Beach, Dakai D. Ren
  • Active ester curing agent compound for thermosetting resins, flame retardant composition comprising same, and articles made therefrom
    Patent number: 10500823
    Abstract: There is provided herein a flame retardant and curing agent compound for curing thermosetting resins, e.g., epoxy resins, a composition comprising a thermosetting resin, e.g., an epoxy resin and the curing agent, an article comprising the curing agent, and a method of making the curing agent.
    Type: Grant
    Filed: November 1, 2016
    Date of Patent: December 10, 2019
    Assignee: ICL-IP America Inc.
    Inventors: Andrew Piotrowski, Joseph Zilberman, Sergei V. Levchik, Meng Zhang, Eran Gluz, Kali Ananth Suryadevara
  • ACTIVE ESTER CURING AGENT COMPOUND FOR THERMOSETTING RESINS, FLAME RETARDANT COMPOSITION COMPRISING SAME, AND ARTICLES MADE THEREFROM
    Publication number: 20180326708
    Abstract: There is provided herein a flame retardant and curing agent compound for curing thermosetting resins, e.g., epoxy resins, a composition comprising a thermosetting resin, e.g., an epoxy resin and the curing agent, an article comprising the curing agent, and a method of making the curing agent.
    Type: Application
    Filed: November 1, 2016
    Publication date: November 15, 2018
    Inventors: Andrew Piotrowski, Joseph Zilberman, Sergei V Levchik, Meng Zhang, Eran Gluz, Kali Ananth Suryadevara