Patents by Inventor Jury P. Vasin

Jury P. Vasin 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 preparing carbamide-furan resin
    Patent number: 4243780
    Abstract: A method for preparing a carbamide-furan resin comprises reacting a urea-formaldehyde resin unlimitedly soluble in water with urea at a temperature within the range of from 50.degree. to 85.degree. C. and modifying the resulting urea-formaldehyde resin with furyl alcohol at a ratio therebetween expressed in parts by weight equal to 100:20-200 respectively at a temperature within the range of from 50.degree. to 85.degree. C., pH of from 7.2 to 8.9 simultaneously with dehydration of the product being modified under vacuum.
    Type: Grant
    Filed: July 11, 1978
    Date of Patent: January 6, 1981
    Inventors: Anatoly A. Kruglikov, Militina A. Nikolaeva, Jury P. Vasin, Zolya Y. Itkis, Vladimir A. Shirinkin, Ida A. Zimina, Vladimir A. Strupinsky, Valery V. Koposov