Patents by Inventor Kyeong-Ho Yoon

Kyeong-Ho Yoon 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).

  • CORE COMPOSITION FOR CASTING, AND METHOD FOR PREPARING CORE FOR CASTING USING THE SAME
    Publication number: 20160158829
    Abstract: Disclosed are a core composition for casting and a method for preparing a core for casting using the composition. The core composition for casting includes: molding sand; a binder that includes a water glass-based binder and an oxide film inhibitor; and an additive, thereby improving a sand removing property without releasing harmful gases.
    Type: Application
    Filed: December 5, 2014
    Publication date: June 9, 2016
    Inventors: Seok Ha, Dong-Woo Kang, Kyeong-Ho Yoon, Jong-Ju Yun, Si-Hyun Cho