| Patents for C05B 9 - Fertilisers based essentially on phosphates or double phosphates of magnesium (80) |
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| 02/26/2015 | DE102009009868B4 Verwendung von verspinnbarem Phosphatglas Using spinnable phosphate glass |
| 08/20/2014 | EP2766301A1 Dewatering of phosphate precipitates |
| 04/02/2014 | CN102026940B Fertilizer suspension and method of preparation |
| 08/15/2013 | WO2013093042A3 Nutrient composition for biological systems |
| 08/15/2013 | US20130210624 Composition for improving plant health and method of applying same |
| 08/07/2013 | CN103232269A Synthesis method for magnesium potassium phosphate slow release fertilizer |
| 07/04/2013 | DE102012000061A1 Recovering magnesium ammonium phosphate as a fertilizer, useful for all toilets and collecting sites of human and animal urine, comprises adding urease enzyme and magnesium chloride to urine in waterless and water-saving urinals |
| 06/27/2013 | CA2857118A1 Nutrient composition for biological systems |
| 04/18/2013 | WO2013055279A1 Dewatering of phosphate precipitates |
| 03/14/2013 | DE102011112780A1 Verfahren zur Behandlung von Klärschlamm und Abwasserbehandlungsanlage A process for treating sewage sludge and wastewater treatment plant |
| 08/10/2011 | CN101503314B Preparation of biological silicon boron potassium magnesium fertilizer and using method |
| 07/05/2011 | US7972408 Process and apparatus for further processing of sewage sludge and other materials to reduce pathogens and toxins |
| 04/20/2011 | CN102026940A Fertilizer suspension and method of preparation |
| 01/05/2011 | EP2268594A2 Fertilizer suspension and method of preparation |
| 08/18/2010 | CN101456759B Method for producing magnesium ammonium phosphate composite fertilizer |
| 05/12/2010 | DE102009009868A1 Verspinnbares Phospatglas Spinnable Phospatglas |
| 03/17/2010 | CN201425367Y Household hydrogen-oxygen water heater device |
| 03/17/2010 | CN201425325Y Household hydrogen-oxygen stove device |
| 03/11/2010 | WO2009151677A3 Fertilizer suspension and method of preparation |
| 12/17/2009 | WO2009151677A2 Fertilizer suspension and method of preparation |
| 12/17/2009 | CA2718084A1 Fertilizer suspension and method of preparation |
| 11/17/2009 | CA2331689C Process for treating waters, soils, sediments and/or silts |
| 08/12/2009 | CN101503314A Preparation of biological silicon boron potassium magnesium fertilizer and using method |
| 08/04/2009 | CA2493615C Hog manure treatment system |
| 07/02/2009 | DE102007035910B4 Verfahren und Vorrichtung zur Rückgewinnung von Magnesiumammoniumphosphat bei der Klärschlammbehandlung Method and apparatus for the recovery of magnesium ammonium phosphate in the sludge treatment |
| 05/07/2009 | US20090113966 Chemically and physically modified fertilizers, methods of production and uses thereof |
| 02/05/2009 | DE102007035910A1 Verfahren und Vorrichtung zur Rückggwinnung von Magnesiumammoniumphosphat bei der Klärschlammbehandlung Method and apparatus for Rückggwinnung of magnesium ammonium phosphate in the sludge treatment |
| 12/17/2008 | CN100443446C Flower fertilizer with decoration function and preparing method therefor |
| 10/15/2008 | CN101284744A Multifunctional fertilizer and method for making same |
| 08/28/2008 | US20080202922 Hybrid electro-deposition of soft magnetic cobalt alloy films |
| 07/23/2008 | EP0897378B1 Inorganic phosphorus fertilizer |
| 12/26/2007 | CN100357230C Agglomeration-wrapping dry-proof pelleting method for organic inorganic mixed fertilizer |
| 09/05/2007 | EP1828078A1 Phosphate-containing fertilizer derived from steepwater |
| 08/29/2007 | CN101024593A Flower fertilizer with decoration function and preparing method therefor |
| 04/25/2007 | CN1951881A Agglomeration-wrapping dry-proof pelleting method for organic inorganic mixed fertilizer |
| 02/15/2007 | DE102005002066B4 Verfahren zur Gewinnung von Phosphatsalzen, insbesondere Magnesium-Ammonium-Phosphat A method for recovering phosphate salts, in particular magnesium ammonium phosphate |
| 07/27/2006 | DE102005002066A1 Verfahren zur Gewinnung von Phosphatsalzen, insbesondere Magnesium-Ammonium-Phosphat A method for recovering phosphate salts, in particular magnesium ammonium phosphate |
| 05/18/2006 | WO2006052270A1 Phosphate-containing fertilizer derived from steepwater |
| 05/18/2006 | CA2586639A1 Phosphate-containing fertilizer derived from steepwater |
| 05/03/2006 | EP1585711B1 Soluble fertilizer compositions comprising calcium and/or magnesium phosphates |
| 11/09/2005 | CN1226242C Composite magnesium phosphate for chemical fertilizer and feed and its prepn |
| 06/09/2005 | US20050123644 steepwater is mixed with an hydroxide (calcium hydroxide, magnesium hydroxide, and ammonium hydroxide ) to precipitate phosphorus in the steepwater, precipitate is separated from the steepwater; the precipitate includes organic and inorganic phosphorous component |
| 01/12/2005 | CN1562913A Compound fertilizer dedicated to loquat and preparation method |
| 04/28/2004 | EP0897378A4 Inorganic phosphorus fertilizer |
| 08/13/2003 | EP1334952A2 Process and apparatus for treating liquids containing ammonium, phosphate and potassium |
| 08/06/2003 | EP1080042B1 Use of alkaline earth peroxides for immobilising phosphate in waters, soils, sediments and/or sludges |
| 05/27/2003 | US6569342 Process for treating waters, soils, sediments and/or silts |
| 11/06/2002 | CN1377877A Process for producing large particle urea using finished ureea of prilling tower as seed crystal |
| 07/31/2002 | CN1361089A Composite magnesium phosphate for chemical fertilizer and feed and its prepn |
| 05/14/2002 | US6387272 Process for utilizing liquid manure material |
| 11/22/2001 | US20010043900 Precipitating ammonium as magnesium ammonium phosphate from the ammonium-containing, solids-free, aqueous concentrate and recovering ammonium-free residual concentrate containing further soluble constituents |
| 07/10/2001 | CA2161553C Controlled release potassium divalent metal phosphate fertilizer |
| 06/27/2001 | CN1301237A Method for treating waters, soils, sediments and/or sludges |
| 03/07/2001 | EP1080042A1 Method for treating waters, soils, sediments and/or sludges |
| 01/02/2001 | US6168643 Inorganic phosphorus fertilizer |
| 12/27/2000 | EP1063214A2 Slow release fertilizer spike |
| 10/04/2000 | EP1041058A2 Improved procedure for treatment of pig manure and fertiliser product thereby obtained |
| 09/19/2000 | US6120574 Slow release fertilizer spike |
| 01/05/2000 | EP0968964A1 Process for use of liquid manure |
| 01/05/2000 | DE19829799A1 Verfahren zur stofflichen Verwertung von Gülle Method for recycling of manure |
| 11/18/1999 | WO1999058457A1 Method for treating waters, soils, sediments and/or sludges |
| 11/18/1999 | DE19821609A1 Precipitation of phosphate and heavy metals from water or sediment using alkaline earth metal peroxide, giving high level of phosphate removal |
| 09/15/1999 | EP0701532B1 Controlled release potassium divalent metal phosphate fertilizer |
| 02/24/1999 | EP0897378A1 Inorganic phosphorus fertilizer |
| 02/02/1999 | US5865870 Mixture of polyphosphoric acid and phosphoric acid |
| 07/30/1998 | WO1998032714A1 Inorganic phosphorus fertilizer |
| 06/10/1998 | CN1184093A Fast dissolved granulated calcium magnesium phosphate fertilizer and its production process |
| 01/13/1998 | US5707418 Inorganic phosphorous fertilizer |
| 10/08/1997 | EP0701532A4 Controlled release potassium divalent metal phosphate fertilizer |
| 03/20/1996 | EP0701532A1 Controlled release potassium divalent metal phosphate fertilizer |
| 12/20/1994 | US5374294 Controlled release potassium divalent metal phosphate fertilizer |
| 11/24/1994 | WO1994026660A1 Controlled release potassium divalent metal phosphate fertilizer |
| 04/18/1990 | EP0363612A1 Process for removal of waste waters with a high concentration of ammoniacal nitrogen |
| 03/15/1990 | DE3830332A1 Process for removing nitrate ions from untreated water for drinking water treatment |
| 08/20/1985 | US4536376 Adding calcium hydroxide to mother liquor from reation mixture of phosphoric acid, basic magnesium compound and potassium sulfate and circulation |
| 07/03/1984 | US4457773 Magnesium phosphate fluid fertilizer |
| 06/29/1982 | CA1126476A1 Method for the production of potassium-magnesium- phosphate |
| 02/03/1981 | US4248843 Treatment of phosphoric acid |
| 08/12/1980 | US4217333 Process for the production of potassium magnesium phosphate |
| 05/08/1979 | US4153441 Process for making magnesium potassium ammonium phosphate |