Patents by Inventor Valentin Nikolaevich Ivanov

Valentin Nikolaevich Ivanov 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).

  • Suspension for making molds in disposable pattern casting
    Patent number: 4113499
    Abstract: A suspension for making molds, containing a binder which comprises alkyl silicate, water and hydrochloric acid, a refractory filler which has a grain size mainly of not more than 50 mu, and a surfactant featuring a wetting and plasticizing effect. Moreover, the composition of said suspension incorporates a phosphate.The weight percentage of said components in the suspension is as follows:Alkyl silicate -- 2.5 -- 9.0Water -- 16.5 -- 23.0Hydrochloric acid -- 0.05 -- 0.25Phosphate -- 0.2 -- 1.0Surfactant -- 0.02 -- 0.10Refractory filler -- the balance.
    Type: Grant
    Filed: March 18, 1976
    Date of Patent: September 12, 1978
    Inventors: Valentin Nikolaevich Ivanov, Anna Davydovna Chulkova