Patents by Inventor Olga M. Nesterova

Olga M. Nesterova 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 of treating phenolic waters formed in the manufacture of phenol-formaldehyde resins
    Patent number: 4216088
    Abstract: The present invention relates to the field of environmental protection.The proposed method of treatment of phenolic waters formed in the manufacture of phenol-formaldehyde resins consists in that said phenolic waters are mixed with formaldehyde and the product of phenol-formaldehyde condensation taken in the quantity of 15-25 percent parts by weight per 100 parts by weight of phenolic waters, and the mixture is heated in the presence of alkali.
    Type: Grant
    Filed: November 13, 1978
    Date of Patent: August 5, 1980
    Inventors: Anatoly M. Juferov, Galina I. Shakhova, Olga M. Nesterova