Patents by Inventor Mark Harry Krackov

Mark Harry Krackov 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).

  • Process for making water-soluble derivatives of quinones
    Patent number: 5728898
    Abstract: Process for making water-soluble hydroquinone salts by reacting an aqueous liquid solution of (a) a formamidinesulfinic acid and (b) an alkali metal or quaternary ammonium hydroxide in which is dispersed a (c) quinone and water-soluble hydroquinone salts made thereby.
    Type: Grant
    Filed: June 27, 1996
    Date of Patent: March 17, 1998
    Assignee: Bio-Technical Resources, L.P.
    Inventor: Mark Harry Krackov
  • Process for the synthesis of curcumin-related compounds
    Patent number: 5679864
    Abstract: The invention is directed to a process for the synthesis of curcumin and curcumin-related compounds by reacting the enol form of a 2,4-diketone with a monocarbocyclic aldehyde in the presence of an organic amine catalyst. The reactants are dissolved in a highly polar, aprotic organic solvent. The curcumin-related product is recovered in crystalline form by precipitation from the reaction mass and solvent recrystallization.
    Type: Grant
    Filed: November 3, 1995
    Date of Patent: October 21, 1997
    Assignee: Gene Print Inc.
    Inventors: Mark Harry Krackov, Harold Edward Bellis