Patents by Inventor Mira-Ljudmila Solomonovna Krol

Mira-Ljudmila Solomonovna Krol 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).

  • Cold-setting moulding mixture for producing foundry moulds and cores
    Patent number: 4119606
    Abstract: A cold-setting moulding mixture, comprising a resin binder capable of setting at room temperature in the presence of an acid catalyst. The composition of the cold-setting mixture incorporates also phenoxyalkylalkoxysilane introduced as an additive add having the formula ##STR1## where "X" is selected from a hydrogen, alkyl-, alkoxy-group and the --O(CH.sub.2).sub.n --Si(OR).sub.3 group, "n" = 2-3 and R is a C.sub.1 -C.sub.4 alkyl radical. The additive is introduced in an amount of from 0.1 to 1.0% by weight of resin.
    Type: Grant
    Filed: February 24, 1976
    Date of Patent: October 10, 1978
    Inventors: Sergei Dmitrievich Teplyakov, Sergei Semenovich Zhukovsky, Abram Moiseevich Lyass, Zoya Vasilievna Belyakova, Maiya Grigorievna Pomerantseva, Nina Yakovievna Tsygankova, Mira-Ljudmila Solomonovna Krol