C05B 13/00

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9981883 Dual purpose agricultural compositionsMay 09, 17May 29, 18Plant Food Systems, Inc.
9643896 Dual purpose agricultural compositionsFeb 22, 16May 09, 17Plant Food Systems, Inc.
9422202 Molten phosphorus-potassium fertilizer, and its preparation processSep 12, 12Aug 23, 16MINERAÇÃO CURIMBABA LTDA.
9266788 Dual purpose agricultural compositionsApr 27, 15Feb 23, 16Plant Food Systems, Inc.
6217629 Phosphate sulfur fertilizer particles and methods for making sameApr 15, 99Apr 17, 01KUNIN, ROBERT
5743934 Soil conditioning agglomerates containing cement kiln dustJul 05, 96Apr 28, 98Magic Green Corporation
4436546 Fertilizer material from apatiteJul 30, 82Mar 13, 84NATIONAL RESEARCH DEVELOPMENT CORPORATION
4363650 Fertilizer material from apatiteApr 30, 81Dec 14, 82NATIONAL RESEARCH DEVELOPMENT CORPORATION
T998001 Production of urea-ammonium polyphosphates from urea phosphateAug 31, 79Sep 02, 80Tennessee Valley Authority
4202683 FertilizerApr 14, 77May 13, 80SCHUMAN, CHARLES W.