Patents by Inventor Artur A. Ambartsumian

Artur A. Ambartsumian 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 preparing L-alanine
    Patent number: 5124257
    Abstract: A method for preparing L-alanine comprising culturing of mutants of microorganisms of the genus Brevibacterium or Corynebacterium requiring D-alanine for their growth on a nutrient medium containing assimilable sources of carbon, nitrogen, inorganic salts and stimulants of growth of the microorganisms until accumulation of L-alanine in the cultural liquid and the subsequent isolation of said product.
    Type: Grant
    Filed: December 22, 1989
    Date of Patent: June 23, 1992
    Inventors: Asmik G. Azizian, Artur A. Ambartsumian, Maritsa A. Ananikian, Shavarsh M. Kocharian