Hydrogen sulfide

Patents Grantslast 30 patents

  • Information Patent Grant

    3829354

    • Patent number 3,829,354
    • Issue date Aug 13, 1974
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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    3819747

    • Patent number 3,819,747
    • Issue date Jun 25, 1974
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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    3423480

    • Patent number 3,423,480
    • Issue date Jan 21, 1969
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    3413261

    • Patent number 3,413,261
    • Issue date Nov 26, 1968
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    3355512

    • Patent number 3,355,512
    • Issue date Nov 28, 1967
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    3310601

    • Patent number 3,310,601
    • Issue date Mar 21, 1967
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    3025273

    • Patent number 3,025,273
    • Issue date Mar 13, 1962
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    2633458

    • Patent number 2,633,458
    • Issue date Mar 31, 1953
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...