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