Patents by Inventor Kamolchat Charungchitaree

Kamolchat Charungchitaree 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).

  • Method for producing an epoxidized natural rubber, rubber composition for tires, and pneumatic tire
    Patent number: 9193806
    Abstract: Provided are a method for producing a relatively uniformly epoxidized natural rubber in a simple and inexpensive manner, a rubber composition for tires that includes the epoxidized natural rubber, and a pneumatic tire formed from the rubber composition for tires. The present invention relates to a method for producing an epoxidized natural rubber, including: Step 1 of coagulating natural rubber latex into granules to prepare a granular solid rubber; and Step 2 of treating the granular solid rubber with an epoxidizing liquid to epoxidize the granular solid rubber.
    Type: Grant
    Filed: January 22, 2013
    Date of Patent: November 24, 2015
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventors: Toshiaki Sakaki, Lucksanaporn Tarachiwin, Kamolchat Charungchitaree, Hathainat Kum-Ourm
  • METHOD FOR PRODUCING AN EPOXIDIZED NATURAL RUBBER, RUBBER COMPOSITION FOR TIRES, AND PNEUMATIC TIRE
    Publication number: 20140378619
    Abstract: Provided are a method for producing a relatively uniformly epoxidized natural rubber in a simple and inexpensive manner, a rubber composition for tires that includes the epoxidized natural rubber, and a pneumatic tire formed from the rubber composition for tires. The present invention relates to a method for producing an epoxidized natural rubber, including: Step 1 of coagulating natural rubber latex into granules to prepare a granular solid rubber; and Step 2 of treating the granular solid rubber with an epoxidizing liquid to epoxidize the granular solid rubber.
    Type: Application
    Filed: January 22, 2013
    Publication date: December 25, 2014
    Inventors: Toshiaki Sakaki, Lucksanaporn Tarachiwin, Kamolchat Charungchitaree, Hathainat Kum-Ourm