| Patent Number |
Title Of Patent |
Date Issued |
| 5411568 |
Highly available waste based nitrogen fertilizer |
May 2, 1995 |
| A new method of preparing granular slow release nitrogen fertilizer, exhibiting substantially complete nitrogen availability as a plant nutrient, from nitrogenous organic wastes, such as animal excretia, by coreacting particulate dry conditioned nitrogenous organic waste and reactive |
| 5240490 |
Non-destructive recovery of natural nitrogen products |
August 31, 1993 |
| A continuous process for the non-destructive recovery of natural nitrogenous materials as highly available particulate agricultural nutrients, employing natural materials such as poultry waste, waste water treatment sludge, alfalfa meal, hatchery waste, feathermeal, corn gluten meal |
| 5087474 |
Feed supplement fats from abatoir sludge |
February 11, 1992 |
| A stepwise method of recovering high integrity particulate feed supplement fats free of live pathogens and malodors from abatoir sludge containing substantial fat components in a vacuum evaporating granulator. The method comprises: primary comminuting aqueous abatoir sludge with strong b |
| 5021247 |
High integrity natural nitrogenous granules for agriculture |
June 4, 1991 |
| A method of preparing high integrity natural nitrogenous granules for agriculture by heating natural nitrogenous materials under alkaline conditions until the materials develop adhesive properties, forming the materials into granules by mechanical means, and heating the natural nitro |
| 5021077 |
High integrity natural nitrogenous granules for agriculture |
June 4, 1991 |
| A method of preparing high integrity natural nitrogenous granules for agriculture by heating natural nitrogenous materials under alkaline conditions until the materials develop adhesive properties, forming the materials into granules by mechanical means, and heating the natural nitro |
| 4997469 |
High integrity, low odor, natural based nitrogenous granules for agriculture |
March 5, 1991 |
| A method of preparing high integrity natural nitrogenous granules for agriculture by heating natural nitrogenous materials under alkaline conditions until the materials develop adhesive properties, forming the materials into granules by mechanical means, and heating the natural nitro |
