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| Patents for C05C 9 - Fertilisers containing urea or urea compounds (2,709) |
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| 08/24/1976 | US3976467 Urea gypsum addition product and method | | 08/17/1976 | US3975472 Process and device for preparing prills | | 07/20/1976 | US3970625 Production of urea-formaldehyde concentrates | | 06/22/1976 | US3965227 Method of simultaneously manufacturing acrylic fibers and nitrates | | 05/04/1976 | US3954436 Reactive tenside soil conditioners | | 03/23/1976 | US3945987 Carbamide adducts of polymetalophosphamate | | 03/02/1976 | US3941578 Zinc oxide coated urea | | 02/03/1976 | US3936499 Crystallization, melting, heterogenous, pelleting | | 01/20/1976 | US3933956 Process for prilling urea |
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