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Class Information
Number: 71/28
Name: Chemistry: fertilizers > Processes and products > Organic material-containing > From synthetic material > Urea and its derivatives
Description: Processes in which the organic fertilizer contains urea or one of its derivatives, and corresponding products.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7582237 |
Process for preparing granular urea product |
Sep. 1, 2009 |
| 7534280 |
Fertilizers containing polyamino acid |
May. 19, 2009 |
| 7513927 |
Methods of controlling chemical self-heating of organic-containing materials |
Apr. 7, 2009 |
| 7513928 |
High nitrogen liquid fertilizer |
Apr. 7, 2009 |
| 7498055 |
Process for the preparation of urea granules |
Mar. 3, 2009 |
| 7494526 |
Plant protection and growth stimulation by nanoscalar particle folial delivery |
Feb. 24, 2009 |
| 7494525 |
Calcium polysulfide, potassium polysulfide, calcium thiosulfate, and magnesium thiosulfate as urease inhibitors |
Feb. 24, 2009 |
| 7468087 |
Fertilizer, process for producing the same, process for controlling inorganizing speed of urea/aliphatic aldehyde condensation product, and process for growing crops |
Dec. 23, 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 |
| 7402263 |
Tungstate based corrosion inhibitors |
Jul. 22, 2008 |
| 7396801 |
Moss control composition |
Jul. 8, 2008 |
| 7267707 |
Polyurethane encapsulated fertilizer |
Sep. 11, 2007 |
| 7108732 |
Process for producing fertilizer comprising sparingly water-soluble phosphatic fertilizer, urea/aliphatic aldehyde condensation product and water-repellent substance |
Sep. 19, 2006 |
| 7018441 |
Granular coated fertilizer |
Mar. 28, 2006 |
| 7018440 |
Granular coated fertilizer |
Mar. 28, 2006 |
| 6987082 |
Controlled release products and processes for the preparation thereof |
Jan. 17, 2006 |
| 6953537 |
Corrosion inhibitor |
Oct. 11, 2005 |
| 6936681 |
Slow release nitrogen fertilizer |
Aug. 30, 2005 |
| 6936087 |
Soil conditioning agglomerates containing calcium |
Aug. 30, 2005 |
| 6930139 |
Anti-explosive fertilizer coatings |
Aug. 16, 2005 |
| 6889471 |
Polyacrylamide suspensions for soil conditioning |
May. 10, 2005 |
| 6884756 |
Water-dispersible pellets |
Apr. 26, 2005 |
| 6830603 |
Volatility-inhibited urea fertilizers |
Dec. 14, 2004 |
| 6826866 |
Fully compatible water-soluble fertilizer and use |
Dec. 7, 2004 |
| 6821311 |
Method for treating fertilizer process solutions |
Nov. 23, 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 |
| 6716360 |
Method and apparatus for treating waste streams |
Apr. 6, 2004 |
| 6682578 |
Methods for producing fertilizers and feed supplements from agricultural and industrial wastes |
Jan. 27, 2004 |
| 6663686 |
Controlled release fertilizer and method for production thereof |
Dec. 16, 2003 |
| 6645267 |
Plant growing media |
Nov. 11, 2003 |
| 6585900 |
Process for the treatment of sludge |
Jul. 1, 2003 |
| 6576035 |
Stabilized enhanced efficiency controllable release calcium cyanamide compositions |
Jun. 10, 2003 |
| 6558445 |
Dry fertilizer compositions and method for making the same |
May. 6, 2003 |
| 6544313 |
Sulfur-containing fertilizer composition and method for preparing same |
Apr. 8, 2003 |
| 6521365 |
Stackless waste material renewal process utilizing oxygen enriched gas |
Feb. 18, 2003 |
| 6515177 |
Method of coating materials and materials formed thereby |
Feb. 4, 2003 |
| 6500222 |
Diureides and their use |
Dec. 31, 2002 |
| 6497741 |
Methods for producing fertilizers and feed supplements from agricultural and industrial wastes |
Dec. 24, 2002 |
| 6488734 |
Nitrification inhibitors, and the use of polyacids which contain a nitrification inhibitor for the treatment of inorganic fertilizers |
Dec. 3, 2002 |
| 6489438 |
Fertilizer formulations comprising polysulfonic acids |
Dec. 3, 2002 |
| 6471741 |
Liquid soil enrichment microbial compositions |
Oct. 29, 2002 |
| 6464746 |
Homogeneous granules of slow-release fertilizer and method of making the same |
Oct. 15, 2002 |
| 6460290 |
Fully compatible surfactant-impregnated water-soluble fertilizer; concentrate; and use |
Oct. 8, 2002 |
| 6458747 |
Slow acting fertilizer composition and method |
Oct. 1, 2002 |
| 6432156 |
Method of coating materials and materials formed thereby |
Aug. 13, 2002 |
| 6413291 |
Soil conditioning agglomerates containing calcium |
Jul. 2, 2002 |
| 6409788 |
Methods for producing fertilizers and feed supplements from agricultural and industrial wastes |
Jun. 25, 2002 |
| 6398840 |
Process for treating sludge |
Jun. 4, 2002 |
| 6375969 |
Broadcast carriers for pesticides and their use |
Apr. 23, 2002 |
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