Patents by Inventor Vitaly Vasilievich Orlyansky

Vitaly Vasilievich Orlyansky 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 4,4-dimethyldioxane-1,3
    Patent number: 4017518
    Abstract: The method of preparing 4,4-dimethyldioxane-1,3 consists in the interaction of isobutylene and formaldehyde in an aqueous medium at from 90.degree. to 115.degree. C in the presence of a catalyst, the capacity of which such inorganic salts of mineral acids may be used with the pH value of the aqueous solutions whereof being within 2.2 to 4.5, resulting in the formation of an organic and an aqueous phase containing the end product, followed by the separation of said phases, washing the organic phase with water, and isolation of the end product.
    Type: Grant
    Filed: April 18, 1975
    Date of Patent: April 12, 1977
    Inventors: Boris Nikolaevich Gorbunov, Galina Dmitrievna Efremova, Evgeny Maximovich Kukartsev, Lidia Vladimirovna Erokhina, Anatoly Ivanovich Lukashov, Vitaly Vasilievich Orlyansky, Alexandr Pavlovich Khardin, Ideya Antonovna Churikova, Daniil Iosifovich Valdman