Patents
Patents for C05C 9 - Fertilisers containing urea or urea compounds (2,709)
10/1995
10/12/1995WO1995026942A1 Abrasion resistant coatings for fertilizers
10/12/1995CA2164198A1 Abrasion resistant coatings for fertilizers
09/1995
09/12/1995US5449394 Loy phytotoxicity
09/12/1995CA2056649C Fertilizers having a high hardness and storage stability
09/12/1995CA2006751C Homogeneous granular nitrogen fertilizer
08/1995
08/23/1995EP0523098B1 Encapsulated slow release fertilizers
08/22/1995US5443835 Fungicide
08/17/1995WO1995021689A1 Granular urea
08/15/1995US5441713 Hardness suppression in urea solutions
07/1995
07/11/1995US5432148 Slow-release ammonium bicarbonate fungicide compositions
07/06/1995WO1995018081A1 Urea-containing fertilizer
06/1995
06/20/1995US5425952 Slow-release ammonium bicarbonate fungicide compositions
06/15/1995CA2111431A1 Method and apparatus for producing solid fertilizer from liquid substances such as manure from livestock or sludge
06/14/1995EP0657405A1 Process and device for the obtention for fertiliser from liquid and crop wastes
06/13/1995US5423897 Moisture barrier for sustained release fertilizer
05/1995
05/24/1995EP0653961A1 Process for the production of urea granules.
05/13/1995CA2117867A1 Granular urea-based fertilizer
05/02/1995US5411944 Glyphosate-sulfuric acid adduct herbicides and use
05/02/1995US5411568 Highly available waste based nitrogen fertilizer
04/1995
04/20/1995WO1995010186A1 Slow-release ammonium bicarbonate fungicide compositions
04/11/1995US5405426 Processes for the preparation of sulfur coated fertilizers and products produced thereby
04/06/1995WO1995008916A1 Bicarbonate salt pesticide composition containing a clathrate spreader-sticker ingredient
03/1995
03/01/1995CN1099371A Fertilizer composition comprising dispersions or solutions of nutrient compounds
02/1995
02/08/1995EP0637577A2 Process and material for decreasing gas emission in manure
01/1995
01/04/1995EP0632018A1 Sulphuric acid-urea composition resulting from the reaction of urea with a sulphuric acid sludge of petroleum origin, method of preparation and use as a fertiliser source
12/1994
12/22/1994WO1994029239A1 Processes for the preparation of sulfur coated fertilizers and products produced thereby
12/20/1994US5374608 Compositions containing adducts and surfactants
12/20/1994US5374292 Machine system and process for producing attrition resistant slow release fertilizers
12/14/1994EP0628527A1 Timed release of water-soluble plant nutrients
10/1994
10/19/1994EP0606315A4 Hardness suppression in urea solutions.
10/06/1994CA2093377A1 Solid agricultural adjuvants
10/04/1994US5352265 Granular urea-based fertilizer
09/1994
09/13/1994CA1331938C Coatings with neutralized carboxylated polymers
08/1994
08/31/1994CN1025770C Plant growth regulating agent
08/03/1994EP0609168A1 Organic amendment of natural origin capable of protecting plants from the agression of pathogens and of stimulatingplant growth
07/1994
07/29/1994CA2114354A1 Organic amendment of natural origin capable of protecting plants from the aggression of pathogens and of stimulating plant growth
07/21/1994WO1994015891A1 Metal ammonium phosphate-alkylene urea buffered fertilizer
07/21/1994WO1994015890A1 Aminoureaformaldehyde fertilizer method and composition
07/20/1994EP0606315A1 Hardness suppression in urea solutions
05/1994
05/25/1994EP0574541A4 Sulfur coated fertilizers and process for the preparation thereof
05/03/1994US5308373 Reacting ammonium, divalent metal and phosphate compounds to form a water-insoluble matrix containing fine homogeneous alkylene urea particles; sustained release
04/1994
04/12/1994US5302579 Herbicide and method using adduct of glyphosate, sulfuric acid and chalcogen compound
04/05/1994US5300135 Abrasion resistant coatings for fertilizers
03/1994
03/30/1994CN1084501A Process of preparing long-acting mixture of pesticide and fertilizer using zeolite as carrier
02/1994
02/17/1994WO1994003267A1 Process for the production of urea granules
02/02/1994CN1023642C Si-N-P granular fertilizer
12/1993
12/29/1993EP0571532A4 Abrasion resistant coatings for fertilizers
12/28/1993US5273623 Process for concentrating urea solution under vacuum
12/28/1993CA1325526C Compositions for biological control of plant pathogenic nematodes
12/22/1993EP0574541A1 Sulfur coated fertilizers and process for the preparation thereof.
12/01/1993EP0571532A1 Abrasion resistant coatings for fertilizers.
11/1993
11/30/1993US5266097 Slow release
11/18/1993EP0569629A1 Method for producing acidic urea solutions
11/17/1993CN1078453A Urea granules coated with melamine powder
10/1993
10/26/1993US5256444 Using foam solutions of anionic, cationic or amphoteric components; alkylsulfates or sulfonates, cationic polymers; epichlorohydrin-modified polyamide
10/05/1993CA1322665C Polymethylene urea fertilizer solution
09/1993
09/22/1993EP0561235A2 Urea granules coated with melanin powder
09/19/1993CA2091129A1 Urea granules coated with melamine powder
09/01/1993EP0557568A1 Fertilizer composition comprising dispersions or solutions of nutrient compounds and method for its manufacture
08/1993
08/04/1993EP0553921A1 Improved process for producing calcium nitrate-urea adduct
07/1993
07/07/1993CN1073933A Method for producing long-acting urea fertilizer with more trace elements
06/1993
06/22/1993CA1319266C Coatings with sulfonated polymers
06/15/1993US5219465 Sulfur coated fertilizers and process for the preparation thereof
05/1993
05/27/1993WO1993010062A1 Coating method for encapsulation of particulate matter
05/27/1993CA2123597A1 Coating method for encapsulation of particulate matter
04/1993
04/15/1993WO1993007087A1 Hardness suppression in urea solutions
04/14/1993EP0523178A4 Granular slow release fertilizer composition and process
03/1993
03/31/1993EP0267263B1 Coatings with sulfonated polymers
03/23/1993CA1314886C Triazone fertilizer and method of making
01/1993
01/20/1993EP0523178A1 Granular slow release fertilizer composition and process.
12/1992
12/16/1992CN1019476B Method for treating waste water of urea-formaldehyde resin
11/1992
11/18/1992CN1019123B Fertilizer coated with sulfonated polymers
10/1992
10/28/1992CN1065651A Synergist and nitrogen protective agent for urea
10/27/1992CA1309269C Process for producing fertilizer granules
09/1992
09/22/1992US5149355 Adduct compositions
09/17/1992WO1992015538A1 Sulfur coated fertilizers and process for the preparation thereof
09/03/1992WO1992014690A1 Abrasion resistant coatings for fertilizers
08/1992
08/19/1992CN1063674A Granular compound fertilizer and tech. made by part acidic phosphorus mine one step method
08/19/1992CN1063672A Acidity nutrient film long-effect nitrogenous fertilizer
08/05/1992CN1017701B Non-deliquescent rare earth microelement fertilizer and preparation thereof
08/04/1992USH1085 Sulfur coating of urea containing gelling clays
07/1992
07/15/1992CN1017423B Solidify inorganic acid used in producing fertilizer and its application
07/08/1992CN1062521A Calcium superphosphate system muffled fertilizer and productive method thereof
07/07/1992US5128178 Foam, foaming agent, water
06/1992
06/09/1992US5120345 Spraying urea solution to ammonium sulphate particles
06/03/1992CN1061591A Process for producing urea
05/1992
05/26/1992US5116401 Herbicide and method with the glyphosate-urea adduct of sulfuric acid
05/20/1992CN1016683B Binder for granulated compound fertilizer and its production technology and equipment
05/12/1992CA1300394C Attrition-resistant, controlled release fertilizers
04/1992
04/14/1992US5105043 Sulfuric acid catalysis and methods of use for isomerization of hydrocarbons
04/07/1992US5102440 Granular slow release fertilizer composition and process
03/1992
03/24/1992US5099014 Acid catalyzed reactions
03/18/1992CN1015883B Process for the hydrolysis of urea in dilute aqueous urea solution
03/01/1992CA2045347A1 Methods for suppressing dust emissions from bulk solids
02/1992
02/18/1992US5089041 Coating water soluble nutrient core particles with aqueous suspension of polyvinylidene chloride latex; nonagglomerating
01/1992
01/02/1992EP0463075A1 Stabilized urea based fertilizers for foliar application.
01/01/1992CN1057453A Process for concentrating urea solutions under vacuum
12/1991
12/18/1991EP0461157A1 Single pass continuous blend urea-sulfuric acid process
12/11/1991CN1056862A Urea fertilizer based on coal with long effect and process for manufacturing same
12/11/1991CN1056861A Process for producing long effect urea containing hydrochinone
1 ... 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28