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Class Information
Number: 71/33
Name: Chemistry: fertilizers > Processes and products > Inorganic material > Phosphorus-containing > Phosphates
Description: Methods directed to the preparation of inorganic fertilizers containing phosphates.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7608126 |
Method for horticulture plant rejuvenation |
Oct. 27, 2009 |
| 7588744 |
Method of recovering phosphate for reuse as a fertilizer |
Sep. 15, 2009 |
| 7534281 |
Organic recycling with a pipe-cross or tubular reactor |
May. 19, 2009 |
| 7497891 |
Method for producing a fertilizer with micronutrients |
Mar. 3, 2009 |
| 7494526 |
Plant protection and growth stimulation by nanoscalar particle folial delivery |
Feb. 24, 2009 |
| 7452398 |
Phosphate and potash(PK)-containing compound fertilizer |
Nov. 18, 2008 |
| 7410589 |
Hog manure treatment method |
Aug. 12, 2008 |
| 7252697 |
Methods for making controlled-release ammonium phosphate fertilizer |
Aug. 7, 2007 |
| 7128880 |
Organic recycling with a pipe-cross or tubular reactor |
Oct. 31, 2006 |
| 6936087 |
Soil conditioning agglomerates containing calcium |
Aug. 30, 2005 |
| 6824584 |
Ammonium phosphate/phosphite fertilizer compound |
Nov. 30, 2004 |
| 6818039 |
Anionic polymers composed of dicarboxylic acids and uses thereof |
Nov. 16, 2004 |
| 6753395 |
Anionic polymers composed of dicarboxylic acids and uses thereof |
Jun. 22, 2004 |
| 6749659 |
Controlled release rate fertilizers and methods of making same |
Jun. 15, 2004 |
| 6749660 |
Solid-chemical composition and method of preparation for the anaerobic bioremediation of environmental contaminants coupled to denitrification |
Jun. 15, 2004 |
| 6733560 |
Water soluble complex fertilizers, method for their preparation and related use |
May. 11, 2004 |
| 6706837 |
Anionic polymers composed of dicarboxylic acids and uses thereof |
Mar. 16, 2004 |
| 6703469 |
Anionic polymers composed of dicarboxylic acids and uses thereof |
Mar. 9, 2004 |
| 6544313 |
Sulfur-containing fertilizer composition and method for preparing same |
Apr. 8, 2003 |
| 6515177 |
Method of coating materials and materials formed thereby |
Feb. 4, 2003 |
| 6506805 |
Magnesium ammonium phosphate hexahydrate and monohydrate slurries |
Jan. 14, 2003 |
| 6503287 |
System and method of soil distribution, such as a soil blend, capable of being blown into place |
Jan. 7, 2003 |
| 6476082 |
Magnesium ammonium phosphate hexahydrate slurry |
Nov. 5, 2002 |
| 6471741 |
Liquid soil enrichment microbial compositions |
Oct. 29, 2002 |
| 6436165 |
Foliar phosphate fertilizers |
Aug. 20, 2002 |
| 6432156 |
Method of coating materials and materials formed thereby |
Aug. 13, 2002 |
| 6387272 |
Process for utilizing liquid manure material |
May. 14, 2002 |
| 6355083 |
Dust control composition for fertilizer and method of treatment of fertilizer |
Mar. 12, 2002 |
| 6346131 |
Fertilizer compositions for administering phosphates to plants |
Feb. 12, 2002 |
| 6322607 |
Zinc-ammonium phosphate fertilizers |
Nov. 27, 2001 |
| 6312493 |
Water soluble fertilizer compositions |
Nov. 6, 2001 |
| 6287357 |
Solid-phase phosphorus buffer for sustained, low-leaching phosphorus fertilization of field-grown plants |
Sep. 11, 2001 |
| 6231633 |
Granular coated fertilizer and method for producing the same |
May. 15, 2001 |
| 6217629 |
Phosphate sulfur fertilizer particles and methods for making same |
Apr. 17, 2001 |
| 6168643 |
Inorganic phosphorus fertilizer |
Jan. 2, 2001 |
| 6120574 |
Slow release fertilizer spike |
Sep. 19, 2000 |
| 6080221 |
Vacuum coated particulate fertilizers |
Jun. 27, 2000 |
| 6045810 |
Reinforced-resin coated plant food granules |
Apr. 4, 2000 |
| 6039782 |
Preparing organic powder by anaerobically treating fermentation waste fluid and aerobically treating the digested fermentation liquor |
Mar. 21, 2000 |
| 6036740 |
Concentrated gypsum slurries for use in drip irrigation |
Mar. 14, 2000 |
| 5997599 |
Soil conditioning agglomerates containing cement kiln dust |
Dec. 7, 1999 |
| 5997602 |
Aqueous fertilzer suspension containing at least phosphate ions and calcium or magnesium ions and a use of the suspension |
Dec. 7, 1999 |
| 5968222 |
Dust reduction agents for granular inorganic substances |
Oct. 19, 1999 |
| 5965117 |
Water-bouyant particulate materials containing micronutrients for phytoplankton |
Oct. 12, 1999 |
| 5865870 |
Continuous release phosphorus fertilizer |
Feb. 2, 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 |
| 5707418 |
Inorganic phosphorous fertilizer |
Jan. 13, 1998 |
| 5695542 |
Method of preparing a slow release fertilizer |
Dec. 9, 1997 |
| 5693119 |
Solid-phase P buffer for sustained low-leaching P fertilization of plants |
Dec. 2, 1997 |
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