containing acid groups

Patents Grantslast 30 patents

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    3701783

    • Patent number 3,701,783
    • Issue date Oct 31, 1972
    • C07 - ORGANIC CHEMISTRY
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    3364022

    • Patent number 3,364,022
    • Issue date Jan 16, 1968
    • C07 - ORGANIC CHEMISTRY
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    3227550

    • Patent number 3,227,550
    • Issue date Jan 4, 1966
    • C07 - ORGANIC CHEMISTRY
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    3227551

    • Patent number 3,227,551
    • Issue date Jan 4, 1966
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    3227554

    • Patent number 3,227,554
    • Issue date Jan 4, 1966
    • C07 - ORGANIC CHEMISTRY