Herbicidal granular composition and method of preparing the same

Claim 1

THE PROCESS FOR PRODUCING A DRY, GRANULAR HERBICIDAL COMPOSITION CONSISTING ESSENTIALLY OF SODIUM BORATE AND A SUBSTANTIALLY INSOLUBLE AND HIGHLY ACTIVE HERBICIDAL MATERIAL IN MUTUALLY ADHERED AND EFFECTIVELY NONSEGREGABLE RELATION; SAID PROCESS COMPRISING MIXING TOGETHER AT ORDINARY TEMPERATURE FROM ABOUT 82 TO ABOUT 98 PARTS BY WEIGHT OF GRANULAR CRYSTALLINE SODIUM TETRABORATE PENTAHYDRATE HAVING A SCREEN SIZE PREDOMINANTLY COARSER THAN ABOUT 100 MESH, FROM ABOUT 18 TO ABOUT 2 PARTS BY WEIGHT OF A SOLID, GRANULAR, SUBSTANTIALLY WATER INSOLUBLE AND HIGHLY ACTIVE HERBICIDAL MATERIAL HAVING A SCREEN SIZE PREDOMINANTLY FINER ATHAN ABOUT 70 MESH, AND WATER IN AN AMOUNT BETWEEN ONE AND TWO MOLECULES PER MOLECULE OF THE SODIUM TYETRABORATE, AND CONTINUING TO MIX SAID INGREDIENTS AT NORMAL TEMPERATURE TO ABSORB THE WATER IN THE GRANULES OF SODIUM TETRABORATE AND TO ADHERE THE PARTICLES OF HERBICIDAL MATERIAL THERETO, THE PRODUCT RESULTING FROM SAID PROCESS BEING DRY, GRANULAR, FREE-FLOWING AND DUST-FREE AND BEING COMPOSED OF MUTUALLY UNATTACHED GRANULES OF SODIUM TETRABORATE WITH SUBSTANTIALLY ALL THE PARTICLES OF SAID INSOLUBLE HERBICIDAL MATERIAL PHYSICALLY ADHERED IN FIRM AND EFFECTIVELY NONSEGREGABLE RELATION THERETO.