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Class Information
Number: 71/29
Name: Chemistry: fertilizers > Processes and products > Organic material-containing > From synthetic material > Urea and its derivatives > With phosphorus-containing substances
Description: Processes and products which include inorganic P containing substances, such as phosphates.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7402263 |
Tungstate based corrosion inhibitors |
Jul. 22, 2008 |
| 7402190 |
Method for making formulated nitrogenous and complex fertilizer in highly homogenized spherical granule form starting from urea-formaldehyde liquid resins and the fertilizer made thereby |
Jul. 22, 2008 |
| 6953537 |
Corrosion inhibitor |
Oct. 11, 2005 |
| 6936087 |
Soil conditioning agglomerates containing calcium |
Aug. 30, 2005 |
| 6884756 |
Water-dispersible pellets |
Apr. 26, 2005 |
| 6852142 |
Organic-based fertilizer |
Feb. 8, 2005 |
| 6752849 |
Method for disinfecting and stabilizing organic wastes with mineral by-products |
Jun. 22, 2004 |
| 6749660 |
Solid-chemical composition and method of preparation for the anaerobic bioremediation of environmental contaminants coupled to denitrification |
Jun. 15, 2004 |
| 6566304 |
Biogenic control and limitation of the reproduction of parasitic earth nematodes in stock culture |
May. 20, 2003 |
| 6515177 |
Method of coating materials and materials formed thereby |
Feb. 4, 2003 |
| 6503287 |
System and method of soil distribution, such as a soil blend, capable of being blown into place |
Jan. 7, 2003 |
| 6464746 |
Homogeneous granules of slow-release fertilizer and method of making the same |
Oct. 15, 2002 |
| 6432156 |
Method of coating materials and materials formed thereby |
Aug. 13, 2002 |
| 6398840 |
Process for treating sludge |
Jun. 4, 2002 |
| 6387145 |
Fine granulated fertilizer formulation for seed/plant placement at seeding or transplanting |
May. 14, 2002 |
| 6352569 |
Liquid fertilizer based on bio-process organic residues |
Mar. 5, 2002 |
| 6336772 |
Detoxification of soil |
Jan. 8, 2002 |
| 6325836 |
Soil conditioning agglomerates containing calcium |
Dec. 4, 2001 |
| 6312493 |
Water soluble fertilizer compositions |
Nov. 6, 2001 |
| 6309440 |
Method and composition for promoting and controlling growth of plants |
Oct. 30, 2001 |
| 6293985 |
Fertilizer granulation method |
Sep. 25, 2001 |
| 6241795 |
Soluble fertilizer formulation |
Jun. 5, 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 |
| 6048378 |
Highly available particulate controlled release nitrogen fertilizer |
Apr. 11, 2000 |
| 6045810 |
Reinforced-resin coated plant food granules |
Apr. 4, 2000 |
| 6015445 |
Anti-caking solids |
Jan. 18, 2000 |
| 6001147 |
Unsymmetrical polyureaurethane fertilizer encapsulation |
Dec. 14, 1999 |
| 5997602 |
Aqueous fertilzer suspension containing at least phosphate ions and calcium or magnesium ions and a use of the suspension |
Dec. 7, 1999 |
| 5997599 |
Soil conditioning agglomerates containing cement kiln dust |
Dec. 7, 1999 |
| 5997601 |
Method for making moisture resistant calcium-containing particles |
Dec. 7, 1999 |
| 5980601 |
Anti-caking solids |
Nov. 9, 1999 |
| 5917110 |
Moisture-resistant calcium containing particles |
Jun. 29, 1999 |
| 5885320 |
Anti-caking process |
Mar. 23, 1999 |
| 5871667 |
Inhibiting ferrous metal corrosion by aqueous ammoniate solutions |
Feb. 16, 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 |
| 5782951 |
Particulate urea with finely divided inorganic material incorporated for hardness nonfriability and anti-caking |
Jul. 21, 1998 |
| 5743934 |
Soil conditioning agglomerates containing cement kiln dust |
Apr. 28, 1998 |
| 5741345 |
Combination of active ingredients for inhibiting or controlling ammonia nitrification in arable topsoil and subsoil |
Apr. 21, 1998 |
| 5683487 |
Hydrophobic bioremediants |
Nov. 4, 1997 |
| 5647885 |
Method of complex providing user with mineral salts and/or fertilizers, and system for effecting same |
Jul. 15, 1997 |
| 5634959 |
Soluble plant food containing micronutrients |
Jun. 3, 1997 |
| 5597400 |
Methods and compositions for enhancing carbon fixation in plants |
Jan. 28, 1997 |
| 5584905 |
Preparation of amendments and fertilizer products for agricultural soils by entrapment of acid gases by solid waste material |
Dec. 17, 1996 |
| 5547486 |
Machine system and process for producing attrition resistant slow release fertilizers |
Aug. 20, 1996 |
| 5494498 |
Methods for using concentrated nitrogen-containing fertilizers |
Feb. 27, 1996 |
| 5492553 |
Solubility compound fertilizer compositions |
Feb. 20, 1996 |
| 5482529 |
Fertilizing preparation improving the extraction of phosphorus for plants |
Jan. 9, 1996 |
| 5476527 |
White atoxic urea fertilizer composition |
Dec. 19, 1995 |
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