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  • [发明专利]US19740510206 _ CHEVRON RESEARCH COMPANY 1974年09月30日
    The invention is an improvement in the prior art processes for producing a microorganism using ethylene as a carbon source. The improvement comprises:
  • [发明专利]US19740507199 _ CORNING GLASS WORKS 1974年09月18日
    Highly porous MgO-Al2O3 support materials useful for the immobilization of glucose isomerase can be regenerated for reuse by pyrolysis under conditions sufficient to remove substantially all carbonaceous matter, followed by treatment with a neutralize...
  • [发明专利]US19740479018 _ GRUPPO LEPETIT S.P.A. 1974年06月13日
    A biologically pure culture of Streptomyces mediterranei mutant strain 18, ATCC.
  • 4.
    [发明专利]JP19740093454 _ 1974年08月16日
  • 5.
    [发明专利]JP19740008349 _ 1974年01月18日
  • 6.
    [发明专利]JP19740034683 _ 1974年03月29日
  • 7.
    [发明专利]GB19760052354 _ 1974年05月06日
    1474520 7 - [2 - (Fur - 2 - yl) - 2 - methoxyacetamido] - 3 - hydroxymethyl - 3 - cephem - 4- carboxylic acid GLAXO LABORATORIES Ltd 6 May 1974 52354/76 Divided out of 1474519 Addition to 1399086 Heading C2C Novel (6R,7R) - 7[2 - (fur - 2 - yl) - 2 - ...
  • [发明专利]US19740443063 _ MERCK & CO., INC. 1974年02月15日
    Trace amounts of pyrogens are removed from aqueous solutions by passing a strongly ionic solution thereof through a column of a basic anion exchange resin.
  • [发明专利]US19740443550 _ MCCONNELL H,US 1974年02月19日
    Immunoassay technique employing sacs having a lysable membrane and at least one determinant or epitopic site recognizable by an antibody. Enclosed in the sacs are water soluble stable free radical compounds, which are capable of escape from the sac up...
  • [发明专利]US19740498058 _ POLAROID CORPORATION 1974年08月16日
    A diagnostic test device which includes a cavity adapted to receive a fluid containing a substance to be tested, reagents adapted to contact said fluid and react with said substance to form a second substance capable of providing a visual determinatio...
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