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Class Information
Number: 71/36
Name: Chemistry: fertilizers > Processes and products > Inorganic material > Phosphorus-containing > Phosphates > Alkali metal and ammonium only > Alkali metal- and ammonium-containing
Description: Processes, which include an added inorganic alkali metal or ammonium compound.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6852142 |
Organic-based fertilizer |
Feb. 8, 2005 |
| 6615539 |
Water-retaining support for plants and plant body-growing water-retaining material |
Sep. 9, 2003 |
| 6544313 |
Sulfur-containing fertilizer composition and method for preparing same |
Apr. 8, 2003 |
| 6506805 |
Magnesium ammonium phosphate hexahydrate and monohydrate slurries |
Jan. 14, 2003 |
| 6476082 |
Magnesium ammonium phosphate hexahydrate slurry |
Nov. 5, 2002 |
| 6344066 |
Process for the preparation of fertilizers and sulfur compounds |
Feb. 5, 2002 |
| 6312492 |
Beneficiation of animal manure |
Nov. 6, 2001 |
| 5997602 |
Aqueous fertilzer suspension containing at least phosphate ions and calcium or magnesium ions and a use of the suspension |
Dec. 7, 1999 |
| 5997910 |
Plant fertilizer compositions containing phosphonate and phosphate salts and derivatives thereof |
Dec. 7, 1999 |
| 5965117 |
Water-bouyant particulate materials containing micronutrients for phytoplankton |
Oct. 12, 1999 |
| 5851260 |
Suspension fertilizer suitable for irrigation fertilization, and a process for its preparation |
Dec. 22, 1998 |
| 5849060 |
Controlled release fertilizer and preparations thereof |
Dec. 15, 1998 |
| 5800837 |
Plant fertilizer compositions containing phosphonate and phosphate salts and derivatives thereof |
Sep. 1, 1998 |
| 5451242 |
Active synthetic soil |
Sep. 19, 1995 |
| 5447637 |
Process for the disposal and recovery of phossy water |
Sep. 5, 1995 |
| 5433766 |
Slow-release fertilizer |
Jul. 18, 1995 |
| 5158594 |
Granulated nitrogen-phosphorus-potassium-sulfur fertilizer from waste gypsum slurry |
Oct. 27, 1992 |
| 5152821 |
Addition of supplemental macro & micro nutrients to granular phosphatic fertilizers |
Oct. 6, 1992 |
| 5102446 |
No-till liquid herbicide and fertilizer suspension |
Apr. 7, 1992 |
| 5028252 |
Method of and composition for the fertilization, detoxification and deacidification of soil |
Jul. 2, 1991 |
| 4883530 |
Use of ammonium syngenite as a slow-acting nitrogen fertilizer |
Nov. 28, 1989 |
| 4832735 |
High nutrient value liquid fertilizer |
May. 23, 1989 |
| 4742032 |
Neutralization of spent solid phosphoric acid catalyst |
May. 3, 1988 |
| H283 |
Chemical technique for sequestering ammonia off-gassing from solidified waste |
Jun. 2, 1987 |
| 4662929 |
Method for recovering nutrients from the flue gases of a fertilizer plant |
May. 5, 1987 |
| 4604126 |
NP/NPK fertilizer granules comprised of ammonium phosphate |
Aug. 5, 1986 |
| 4594090 |
High nutrient content fertilizers |
Jun. 10, 1986 |
| 4592771 |
Method of producing di-ammonium phosphate fertilizer |
Jun. 3, 1986 |
| 4568374 |
Process for the preparation of fertilizers by the partial solubilization of phosphate rocks |
Feb. 4, 1986 |
| 4537615 |
Fertilizer from phosphorus furnace waste stream |
Aug. 27, 1985 |
| 4511388 |
Production of high-analysis ammonium orthophosphate suspension fertilizers by a new batch-type process |
Apr. 16, 1985 |
| 4500335 |
Composition of matter and method of use for nitrogen fertilization |
Feb. 19, 1985 |
| 4482372 |
Fluid fertilizer composition |
Nov. 13, 1984 |
| 4451277 |
Production of fluid fertilizer from phosphorus furnace waste stream |
May. 29, 1984 |
| 4437997 |
Clarification of ammonium polyphosphate solutions |
Mar. 20, 1984 |
| 4436546 |
Fertilizer material from apatite |
Mar. 13, 1984 |
| 4398936 |
Process for the preparation of a granular NPK fertilizer and granular NPK fertilizers obtained by this process |
Aug. 16, 1983 |
| 4385920 |
Granulation of potash salts |
May. 31, 1983 |
| 4377406 |
Ammonium polyphosphate sulfate fertilizers from wet-process phosphoric acid |
Mar. 22, 1983 |
| 4363650 |
Fertilizer material from apatite |
Dec. 14, 1982 |
| 4354943 |
Clarification of ammonium polyphosphate solutions |
Oct. 19, 1982 |
| 4354944 |
Clarification of ammonium polyphosphate solutions |
Oct. 19, 1982 |
| 4341739 |
Phosphoric acid ammoniation apparatus |
Jul. 27, 1982 |
| 4340414 |
Plant hibernation |
Jul. 20, 1982 |
| T101901 |
Ammonium polyphosphate sulfate fertilizers from wet-process phosphoric acid |
Jun. 1, 1982 |
| 4308048 |
Production of ammonium potassium polyphosphates |
Dec. 29, 1981 |
| T101203 |
Process for production of granular diammonium phosphate |
Nov. 3, 1981 |
| T996001 |
Production of ammonium potassium polyphosphates |
Jul. 1, 1980 |
| 4177053 |
Method for the production of phosphoric acid with high contents of fertilizer-nutrients |
Dec. 4, 1979 |
| 4175943 |
Water-soluble fertilizers |
Nov. 27, 1979 |
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