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  • [发明专利]USD3652402 _ TANABE SEIYAKU CO. LTD. 1969年08月27日
    Process for preparing asparaginase having a strong anti-tumor activity which comprises cultivating an asparaginase-producing micro-organism belonging to Achromobacter, Alcaligenes, Micrococcus, Proteus or Bacterium genera in a nutrient medium under ae...
  • [发明专利]USD3625825 _ AJINOMOTO CO. INC. 1969年01月03日
  • [发明专利]USD3554871 _ AMERICAN STERILIZER CO. 1969年05月16日
  • [发明专利]USD3616213 _ AJINOMOTO CO. INC. 1969年01月15日
  • [发明专利]USD3632475 _ HAYASHIBARA CO. 1969年04月18日
    The present invention makes it possible to separate short-chain-length amyloses and long-chain-length amyloses from starches by decomposing and cutting off the alpha -1,6-glucoside bonds of amylopectin contained in starches by means of an alpha -1,...
  • [发明专利]USD3660236 _ STANDARD BRANDS INC. 1969年01月08日
    The disclosure is directed to the production of the enzyme glucoamylase. During the growth of glucoamylase producing microorganisms, ammonium hydroxide or ammonia gas is introduced into the growth medium to provide a source of ammonia and to maintain ...
  • [发明专利]USD3668072 _ CHUGAI SEIYAKU KK. 1969年01月02日
    L-ornithine can be produced by cultivating an auxotrophic mutant of Escherichia coli which requires arginine or citrulline, but not ornithine for the growth in a cultivation medium containing assimilable carbon, nitrogen sources, inorganic ions and ar...
  • [发明专利]USD3723253 _ HAYASHIBARA CO,JA 1969年07月08日
  • [发明专利]USD3712945 _ RHONE POULENC SA,FR 1969年08月21日
  • [发明专利]USD3658702 _ BRITISH PETROLEUM CO. LTD.:THE 1969年11月26日
    The lipid extract prepared by solvent extraction of micro-organisms when added to lubricating oils improve the load carrying, anti-oxidant, and anti-corrosion properties of the oils.
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