| Patents for C05C 9 - Fertilisers containing urea or urea compounds (2,709) |
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| 01/07/2004 | EP1377435A1 Controlled release urea product and method of preparing said product |
| 01/07/2004 | CN1465553A Stable urea and production process |
| 12/24/2003 | WO2003106376A1 Method for the production of a urea fertilizer with elemental sulphur and the product thereof |
| 12/24/2003 | WO2003082005A3 Slow release nitrogen fertilizer |
| 12/16/2003 | US6663686 Coating nutrients such as urea with mixtures of castor oil and polyetherurethane copolymers to form sustained release plant growth regulators |
| 12/11/2003 | WO2003082003A3 Slow release nitrogen coating |
| 12/11/2003 | WO2003070664A3 Nitrogen-potash fertiliser and the method for producing thereof |
| 12/11/2003 | US20030228981 Overcoating seed with adhesive binder and phenol-urea resin |
| 12/10/2003 | CN1130323C Process for preparing high concentration granular composite N-K fertilizer |
| 12/10/2003 | CN1130322C Process for preparing high-concentration granular urine-base composite N-K fertilizer |
| 12/10/2003 | CN1130321C Production method of granular N-P composite fertilizer containing secondary element |
| 12/10/2003 | CN1130319C Method for production of granular N-K composite fertilizer |
| 11/27/2003 | US20030220200 Slow release nitrogen root treatment |
| 11/26/2003 | EP1127035B1 A process for the preparation of compound fertilizer granules |
| 11/19/2003 | EP1230197B1 A process for manufacturing compound fertilizer granules |
| 10/29/2003 | CN1451651A Improved method and apparatus for combined drum granulating large granule urea |
| 10/15/2003 | EP1351899A1 Sulfur-containing fertilizer composition and method for preparing same |
| 10/14/2003 | US6632262 Controlled release urea-formaldehyde liquid fertilizer resins |
| 10/09/2003 | WO2003082775A1 Slow release nitrogen root treatment |
| 10/09/2003 | WO2003082005A2 Slow release nitrogen fertilizer |
| 10/09/2003 | WO2003082004A2 Slow release nitrogen seed coat |
| 10/09/2003 | WO2003082003A2 Slow release nitrogen coating |
| 08/28/2003 | WO2003070664A2 Nitrogen-potash fertiliser and the method for producing thereof |
| 08/21/2003 | US20030157247 Method for producing coated bioactive granule |
| 08/21/2003 | US20030154755 Long-term fertilizer containing nitrogen |
| 08/21/2003 | US20030154754 Forming an aqueous urea/formaldehyde dispersion with a molar ratio from 0.8:1 to 2:1, adding an aqueous catalyzer solution (phosphoric acid, ammonium ntitrate etc.), controlling pH, supplying to a recircuating granulation device |
| 07/17/2003 | US20030134971 Amino catalyst for polyurethane products |
| 07/02/2003 | EP1323692A2 Microgranular fertiliser composition for sowing and transplanting |
| 07/02/2003 | CN1426981A Production technology of compound long active urea and its special equipment |
| 07/01/2003 | US6585900 Process for the treatment of sludge |
| 06/17/2003 | US6579338 Controlled release urea-formaldehyde liquid fertilizer resins with high nitrogen levels |
| 06/17/2003 | CA2245992C Method for granulation and granulator |
| 06/11/2003 | EP1318126A1 Nitrogen containing long-term release fertilizer |
| 06/11/2003 | CN1423624A Method for producing nitrogenous-potash fertiliser |
| 06/10/2003 | CA2105473C Sulfur coated fertilizers and process for the preparation thereof |
| 06/04/2003 | EP1315688A2 Method of improving the crushing strength and the impact resistance of urea, and urea composition |
| 05/29/2003 | US20030097863 Soil conditioning agglomerates containing calcium |
| 05/21/2003 | EP1311461A2 Controlled release urea-formaldehyde liquid fertilizer resins |
| 05/20/2003 | US6565744 Waste water cleaning system |
| 05/13/2003 | US6562941 Reacting polysuccinimide or derivative with liquid ammonia causing ring opening ammonolysis; useful in producing fertilizer |
| 04/22/2003 | CA2141874C Process for the production of urea granules |
| 04/09/2003 | EP1299323A2 Controlled release fertilizer and method for production thereof |
| 04/08/2003 | US6544313 Plurality of discrete sulfur platelets embedded within said fertilizer portion. |
| 03/25/2003 | US6537611 Machine system and process for producing attrition resistant slow release fertilizers |
| 03/13/2003 | US20030047499 Waste water cleaning system |
| 03/06/2003 | WO2002062728A3 Microbiological controlled mycoculture nutrient substrates |
| 03/05/2003 | EP1288179A1 Method for making nitrogenous and complex fertilizers in highly homogenized spherical granule form starting from urea-formaldehyde liquid resins and the fertilizer made thereby |
| 02/18/2003 | US6521365 Stackless waste material renewal process utilizing oxygen enriched gas |
| 02/12/2003 | CN1101363C Method for producing urea granules |
| 01/30/2003 | US20030022959 Urea condensate-sewer sludge products |
| 01/29/2003 | CN1393441A Process for improving strength of urea particles |
| 01/29/2003 | CN1100023C Combined rotary drum granulating technique and equipment for large size particle urea |
| 01/28/2003 | CA2258832C Controlled release plant nutrients |
| 01/28/2003 | CA2120519C Hardness suppression in urea solutions |
| 01/22/2003 | CN1392395A High liquid level warning method |
| 01/22/2003 | CN1099311C Method for granulation and granulator |
| 01/16/2003 | US20030013684 Agricultural composition |
| 01/08/2003 | CN1098234C Process for preparing granular urea |
| 12/31/2002 | US6500222 Such as bis(n'-potassium sulfamate)malonic acid diureide; slow release fertilizers |
| 12/27/2002 | WO2002102740A1 Liquid biotechnological fertiliser |
| 12/04/2002 | CN1382669A Slowly releasing or release controlled urea and its preparing process |
| 11/20/2002 | EP1258191A1 Agricultural composition |
| 11/20/2002 | CN1380879A Sulfur-containing fertilizer composition and method for preparing same |
| 11/14/2002 | WO2002090294A1 Sulphur coated urea particles using wet ground sulphur |
| 11/14/2002 | CA2447536A1 Sulphur coated urea particles using wet ground sulphur |
| 11/06/2002 | EP1254878A2 Method for making a highly-stable liquid nitrogenous fertilizer for controllably releasing nitrogen and the fertilizer made thereby |
| 10/30/2002 | CN1376652A Wrapped urea humate and its preparing process |
| 10/29/2002 | US6471741 Liquid soil enrichment microbial compositions |
| 10/24/2002 | WO2002083740A1 A urea-based nitrogenous fertilizer coated with zeolite |
| 10/17/2002 | US20020151037 Microbiological controlled mycoculture nutrient substrates |
| 10/15/2002 | US6464903 Urea condensates such as biuret, cyanuric acid and cyamelide; metal compound that accelerates carbonization, heat reflecting compound, filler, surfactant, water |
| 10/09/2002 | EP0819106B1 Process for preparing granular urea |
| 10/03/2002 | WO2002076718A1 Controlled release urea product and method of preparing said product |
| 10/03/2002 | CA2439145A1 Controlled release urea product and method of preparing said product |
| 09/26/2002 | US20020134124 Such as bis(N'-potassium sulfamate)malonic acid diureide; slow release fertilizers |
| 09/24/2002 | CA2225155C Particulate urea with mineral filler incorporated for hardness |
| 09/11/2002 | EP0804069B1 Method for promoting marine life populations in a closed environment by applying a controlled release fertiliser |
| 09/11/2002 | CN1090598C Air separation method of urea finished product and its air separation equipment |
| 08/28/2002 | EP0988105B1 Device for mixing and dissolving solid granules in a liquid, in particular for producing nitrophosphate fertilisers |
| 08/21/2002 | CN1089212C Compositions and methods for use in aquaculture |
| 08/15/2002 | WO2002062728A2 Microbiological controlled mycoculture nutrient substrates |
| 08/15/2002 | WO2002024611A3 Method for exuding humic substances from natural raw material |
| 08/14/2002 | EP1230197A1 A process for manufacturing compound fertilizer granules |
| 08/13/2002 | CA2103903C Abrasion resistant coatings for fertilizers |
| 08/08/2002 | WO2002060826A1 Method for the treatment of active sludges |
| 08/08/2002 | WO2002020471A3 Method of improving the crushing strength and the impact resistance of urea, and urea composition |
| 08/08/2002 | US20020104347 Sparingly water-soluble phosphatic fertilizer and a urea/aliphatic aldehyde condensation product. |
| 08/07/2002 | CN1088690C Method for preparation of oligomethyleneurea |
| 08/01/2002 | WO2002000573A3 Controlled release fertilizer and method for production thereof |
| 08/01/2002 | US20020100735 Process for the treatment of sludge |
| 07/24/2002 | CN1360557A Method for treating fertilizer process solutions |
| 07/18/2002 | WO2002024607A3 Method for producing methylene urea polymers |
| 07/10/2002 | EP1220815A1 Method for treating fertilizer process solutions |
| 07/10/2002 | CN2499401Y Coated urea reaction tank |
| 07/10/2002 | CN1357513A Multicompentnt granular urea and its production process |
| 07/02/2002 | US6413291 Soil conditioning agglomerates containing calcium |
| 06/26/2002 | CN1355152A Granulating method of urea |
| 06/19/2002 | CN1354736A Formulation useful as nitrification and urease inhibitor and method of producing the same |
| 06/12/2002 | EP1213275A2 Fertilizer and process for producing the same |
| 06/12/2002 | CN1353677A Conditioned fertilizer product containing lactic acid derivative, method of manufacture and use thereof |