Patents by Inventor Yuliy Yunovich

Yuliy Yunovich 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).

  • Heat curable alumino-silicate binder systems and their use
    Patent number: 5743953
    Abstract: This invention relates to heat curable alumino-silicate binder systems comprising as three separate parts (1) a soluble source of silica, (2) a caustic solution of an alkali silicate, and (3) aluminum silicate, and an alcohol which may be incorporated into (1), (2), or both. The binder systems are mixed with an aggregate to form a mix. The resulting mix is shaped and heated at an elevated temperature to form a cured shape, particularly foundry cores and molds. Heat is applied by warm air, baking in an oven, microwave, or preferably by hot-box equipment.
    Type: Grant
    Filed: December 11, 1996
    Date of Patent: April 28, 1998
    Assignee: Ashland Inc.
    Inventors: Helena Twardowska, John J. Cooper, Yuliy Yunovich