Patents by Inventor Mark Markovich Grozhan

Mark Markovich Grozhan 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 for the manufacture of phenols
    Patent number: 4056572
    Abstract: A method for the production of phenols which comprises subjecting alkylaromatic hydrocarbons to liquid-phase oxidation with oxygen at a temperature of 100.degree.-300.degree. C and under a pressure of 1-100 atm in the presence of an acidic catalyst taken in an amount of 0.0006-10 mole % and also in the presence of carboxylic acid anhydrides or chlorides, followed by saponifying the resulting phenolic esters.
    Type: Grant
    Filed: February 22, 1974
    Date of Patent: November 1, 1977
    Inventors: Andrei Nikolaevich Bashkirov, Mark Markovich Grozhan, Vladimir Vasilievich Kamzolkin, Jury Anatolievich Lapitsky, Irina Vladimirovna Vygodskaya