Patents
Patents for C05B 17 - Other phosphatic fertilisers, e.g. soft rock phosphates, bone meal (755)
07/1998
07/01/1998EP0850901A2 Process for the obtention of a calcium phosphatic amendment and amendment obtainable thereby
07/01/1998CN1186058A Method for producing fertilizer containing P, K, Zn from dust paste as by-product in production of phosphorus by electric heating process
06/1998
06/24/1998CN1185423A Rare-earth phosphorus fertilizer
03/1998
03/24/1998US5730856 Method for treating waste liquid with electrolytic oxidation and apparatus for carrying out the same
03/04/1998EP0560882B1 Method for obtaining phospho-nitrogenous products
11/1997
11/19/1997EP0604451B1 Fertilization of trees
11/12/1997EP0569513B1 Improved solubility compound fertilizer compositions
11/05/1997EP0804543A1 Plant growth stimulating composition
10/1997
10/08/1997EP0701532A4 Controlled release potassium divalent metal phosphate fertilizer
09/1997
09/17/1997CN1159436A Mixed phosphate fertilizer
08/1997
08/05/1997US5653053 Soil conditioner suitable as a substitute for sphagnum peat moss
05/1997
05/07/1997EP0771774A2 Improved solubility compound fertilizer compositions
02/1997
02/18/1997US5603744 Pulverizing mineral mixture containing insoluble potassium, magnesium, phosphate and silicate, grinding plant and animal waste, micronizing while mixing with minerals, microbially fermenting in presence of pulverized calcium compound, clay
11/1996
11/13/1996CN1135746A Fertilizers comprising nutrient and phosphate solubilising fungus
11/05/1996US5571302 Fertilization of trees
08/1996
08/06/1996US5543128 Vacuum evaporation
07/1996
07/25/1996CA2210798A1 Plant growth stimulating composition
07/23/1996US5539141 Forming plant nutrients by esterification
06/1996
06/20/1996DE19545122A1 Prepn. of e.g., phosphate fertilisers
03/1996
03/20/1996EP0701532A1 Controlled release potassium divalent metal phosphate fertilizer
02/1996
02/20/1996US5492553 Mixture of non-polymerized dry urea phosphate, calcium nitrate or calcium chloride; forms stable, precipitate-free solution when dissolved in water
12/1995
12/26/1995US5478373 With granular composition containing nitrogen, phosphorus and potassium
12/26/1995CA2080790C Microbial solubilization of phosphate
10/1995
10/03/1995US5454850 Calcium phosphate and urea phosphate soluble compound fertilizer compositions
09/1995
09/27/1995CN1109037A Moderate-element fertilizer and its manufacture
09/19/1995US5451242 Active synthetic soil
09/13/1995EP0671360A1 Regeneration method for a process waste containing sulfur and phosphorus
09/13/1995EP0670821A1 Fertilisers comprising inorganic phosphate and phosphate solubilising fungus
08/1995
08/30/1995EP0608287B1 Process for establishing optimum soil conditions by naturally forming tilth
08/30/1995CN1107451A Process for producing premium Ca-Mg-P fertilizer
07/1995
07/26/1995CN1105655A High effective phosphatic fertilizer protecting inorganic salts by organic acid
07/18/1995US5433766 Time release agents
04/1995
04/25/1995US5409516 Process for the production of phospho-nitrogenous products and products thus obtained
04/19/1995CN1101496A Compound for preventing and curing "Huanglong" disease, etc.
04/05/1995EP0646118A1 Mixed esters of boric acid and phosphoric acid with polyols, their preparation and their use
03/1995
03/30/1995WO1995008521A1 Fertilisers comprising nutrient and phosphate solubilising fungus
03/30/1995CA2172528A1 Fertilisers comprising nutrient and phosphate solubilising fungus
03/09/1995WO1995006623A1 Fertilisers comprising inorganic phosphate and phosphate solubilising fungus
03/07/1995US5395418 Adding to water a mixture containing urea phosphate as principal phosphate source and calcium nitrate or chloride as calcium source
12/1994
12/20/1994US5374294 Controlled release potassium divalent metal phosphate fertilizer
11/1994
11/24/1994WO1994026660A1 Controlled release potassium divalent metal phosphate fertilizer
08/1994
08/03/1994EP0608287A1 Process for establishing optimum soil conditions by naturally forming tilth.
07/1994
07/06/1994EP0604451A1 Fertilization of trees
05/1994
05/18/1994CN1024534C Fertilizer used for cotton leaf surface
04/1994
04/28/1994WO1994008896A1 Slow release fertilizer and active synthetic soil
03/1994
03/16/1994CN1083800A Method of manufacture (phosphatic) postassium fertilizer with biological technology
03/02/1994CN1083035A Efficient energy-saving organic and inorganic compound fertilizer and new technique
01/1994
01/26/1994CN1081172A Method for preparing premium calcium-magnesium-phosorus manure with wagnerite
01/12/1994CN1080628A High-density phosphorus content fertilizer producing process by solidifying phosphoric acid material pulp
12/1993
12/23/1993WO1993025560A1 Mixed esters of boric acid and phosphoric acid with polyols, their preparation and their use
12/23/1993DE4219711A1 Gemischte Borsäure-Phosphorsäure-Ester von Polyolen, deren Herstellung und deren Verwendung Mixed boric acid-phosphoric acid esters of polyols, their preparation and their use
12/23/1993CA2138291A1 Mixed esters of boric acid and phosphoric acid with polyols, their preparation and their use
11/1993
11/18/1993EP0569513A1 Improved solubility compound fertilizer compositions
10/1993
10/26/1993US5256544 Microbial solubilization of phosphate
09/1993
09/22/1993EP0560882A1 Method for obtaining phospho-nitrogenous products
07/1993
07/07/1993CN1073932A Preparation method for phosphate fertilizer with sulphur-phosphorus-aluminium-strontium ore
05/1993
05/26/1993CN1020892C Organic granulated fertilizer and preparation method thereof
05/19/1993CN1020715C Method for producing phosphate fertilizer from s-p-al-sr ore
04/1993
04/29/1993WO1993008143A1 Process for establishing optimum soil conditions by naturally forming tilth
04/29/1993CA2121244A1 Process for establishing optimum soil conditions by naturally forming tilth
04/15/1993DE4133984A1 Verfahren zum biologischen aufschluss von mineralien A method for biological revealing of minerals
02/1993
02/18/1993WO1993002989A1 Fertilization of trees
01/1993
01/20/1993CN1068097A Improvement of chemical processing property of phosphate rock by its composition adjustment
12/1992
12/15/1992US5171349 Water-soluble solid fertilizer using urea phosphate and calcium nitrate; precipitate-free solutions; non-chelated metal salt micronutrients
11/1992
11/10/1992US5162600 Method of treating lead contaminated soil
10/1992
10/29/1992WO1992013813A3 Improved solubility compound fertilizer compositions
09/1992
09/15/1992US5147441 Azospirillum nitrogen fixing bacteria, bacillus, phosphorous solubilizer
08/1992
08/20/1992WO1992013813A2 Improved solubility compound fertilizer compositions
07/1992
07/29/1992CN1063095A Process for preparation of products containing phosphorus-nitrogen and prodcts obtained
07/07/1992US5127933 Controlled release
06/1992
06/10/1992CN1061770A Fertilizer used only for cotton leaf surface
06/06/1992WO1992010443A1 Method for obtaining phospho-nitrogenous products and products thus obtained
06/03/1992EP0487574A1 Process and device for processing materials from which methane and other chemicals, being harmful to the environment, may escape
04/1992
04/08/1992CN1060084A Process for producing potassium dihydrogen phosphate and potassium sulfate
03/1992
03/31/1992US5100630 Water powered magneto generator for the production of nitrogen and phosphorus fertilizer apparatus
12/1991
12/18/1991CN1057046A Compound fertilizer of n-p with wrapping film and production thereof
12/18/1991CN1057045A Granulated phosphate fertilizer and production thereof
08/1991
08/28/1991CN1013665B Steamed bone ball
06/1991
06/25/1991US5026417 Methods and compositions for increasing the amounts of phosphorus and/or micronutrients available for plant uptake from soils
04/1991
04/24/1991CN1050826A Process and device for processing materials from which methane and other chemicals, being harmful to the environment may escape
02/1991
02/27/1991CN1011776B Highly effective biological compound fertilizer for growing ginseng
02/16/1991WO1991002582A1 Process and device for processing materials from which methane and other chemicals, being harmful to the environment, may escape
02/16/1991CA2064698A1 Process and device for processing materials from which methane and other chemicals, being harmful to the environment, may escape
10/1990
10/03/1990CN1045766A Use of calcium sulphate to improve fermentation of organic waste
09/1990
09/05/1990CN1045086A Oganic granulated fertilizer
09/05/1990CN1045085A Process for preparing potassium dihydrogen phosphate and potassium sulfate
07/1990
07/11/1990CN1043692A Multifunctional full-nutritious compound fertilizer for ginseng and its preparing process
05/1990
05/02/1990CN1041749A Method for producing phosphate fertilizer from s-p-al-sr ore
07/1989
07/13/1989WO1989006223A1 Use of calcium sulphate to improve the fermentation of organic fertilizers
07/05/1989EP0322831A1 Use of calcium sulphate to improve the fermentation of organic wastes
06/1989
06/13/1989US4838922 Method for producing monocalcium phosphate and products produced therefrom
05/1989
05/17/1989CN1032933A Highly effective biological compound fertilizer for growing ginseng and its preparation technology
02/1989
02/14/1989US4804401 Heating and reacting comminuted phosphate rock and alioic orga nic waste
09/1988
09/28/1988EP0284236A2 Methods and compositions for increasing the amounts of phosphorous and/or micronutrients available for plant uptake from soils
04/1988
04/28/1988DE3635195A1 Process for the preparation of a combined phosphorus fertilizer and soil conditioner
01/1988
01/06/1988CN87103142A Steamed bone ball
12/1987
12/01/1987US4710219 Production method of combined phosphorus fertilizer and soil conditioner
09/1987
09/22/1987EP0110931A4 Artificial fertilizer.
04/1987
04/07/1987US4656020 Redovering wastes; pollution control
03/1987
03/10/1987US4649035 Agglomeration, smelting, oxidation
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