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| Patents for B01J 45 - Ion-exchange in which a complex or a chelate is formed; Use of material as complex or chelate forming ion-exchangers; Treatment of material for improving the complex or chelate forming ion-exchange properties (1,510) |
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| 09/14/1976 | US3980462 Fertilizer for long term supply of plants with chelated micronutrients | | 07/13/1976 | US3969244 Method of adsorbing heavy metals | | 05/25/1976 | US3959149 Isocyanate resin absorbent for free chlorine, heavy metals and heavy metallic compounds | | 04/20/1976 | US3951790 Thiuram polysulfide heavy metal remover | | 04/06/1976 | US3948769 Ligand exchange process for removal of ammonia | | 03/30/1976 | US3947515 Process for the preparation of pure, aromatic o-hydroxy-carboxylic acid aryl amides | | 02/17/1976 | US3939226 Sequestrant, fire retardant | | 02/03/1976 | US3936399 Process of producing phenolic chelate resin using iminodiacetic acid | | 01/27/1976 | US3935098 Adsorbent process for heavy metals | | 01/06/1976 | US3931002 Process for removing heavy metals from solutions |
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