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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:
1 2 3 4

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

1 2 3 4


 
 
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