Patents
Patents for C05C 9 - Fertilisers containing urea or urea compounds (2,709)
11/1998
11/11/1998CN1198427A Nitrogenous phosphate potash long-effect compound fertilizer and productive method thereof
11/11/1998CN1198425A Method for producing urea-formaldehyde compound fertilizer
10/1998
10/21/1998EP0872461A2 Dust suppression in solids
10/21/1998CN1196339A Method for producing quick-acting urea-formaldehyde nitrogen fertilizer
10/14/1998EP0869933A1 Improved formulation for fertilizer additive concentrate
09/1998
09/30/1998CN1194633A Method for production of oligomethyleneurea
09/30/1998CN1194632A Particulate urea with mineral filler incorporated for hardness
09/08/1998US5803946 Forming an interpenetrating polymer network by reacting isocyanate, urea, or alcohol and isocyanate and crosslinking with tung oil to form polyurethane and polyurea
08/1998
08/27/1998WO1998037037A1 Particulate urea with finely divided inorganic material incorporated for hardness, nonfriability and anti-caking
08/20/1998DE19706433A1 Preparation of, e.g. molten suspensions for production of granulated mixed fertilisers
08/06/1998WO1998033378A1 Soluble polymer based matrix for chemically active water insoluble components
07/1998
07/22/1998CN1188096A One-shot fertilizer for corn and rice and its preparing method
07/21/1998US5782951 Particulate urea with finely divided inorganic material incorporated for hardness nonfriability and anti-caking
07/07/1998US5776856 Soluble polymer based matrix for chemically active water insoluble components
07/01/1998CN1186059A High performance composite urea and production thereof
05/1998
05/20/1998EP0842131A1 Method for production of oligomethyleneurea
05/06/1998EP0788310A4 Method for inhibiting plant disease
05/06/1998CN1180684A Compound long-lasting urea fertilizer and preparing method thereof
05/05/1998US5747419 Plant growing agent comprising iron ferrocyanide complexes and plant growing method
04/1998
04/30/1998WO1998017604A1 Moisture resistant calcium-containing particles
04/30/1998CA2268430A1 Moisture resistant calcium-containing particles
04/15/1998EP0835232A1 Particulate urea with mineral filler incorporated for hardness
04/08/1998CN1178516A Process for preparing granular urea
04/07/1998US5736003 Apparatus for concentrating urea solutions under vacuum
03/1998
03/25/1998EP0678084A4 Metal ammonium phosphate-alkylene urea buffered fertilizer.
03/25/1998CN1176845A Method and device for controlled break-up of liquid jets
03/11/1998CN1175884A Compositions and methods for use in aquaculture
02/1998
02/12/1998WO1998005209A1 Composition, process and method for treating grass by foliar application
02/10/1998US5716591 Process for producing calcium nitrate-urea adduct
02/04/1998EP0822003A1 Method and device for the controlled break-up of liquid jets
02/01/1998CA2211715A1 Method and device for the controlled break-up of liquid jets
01/1998
01/21/1998EP0819106A1 Process for preparing granular urea
01/14/1998CN1169974A Fertilizer made from algae residue and sludge and preparation thereof
01/07/1998EP0730565A4 Process for producing improved sulfur-coated urea slow release fertilizers
01/07/1998EP0706503A4 Abrasion resistant coatings for fertilizers
01/07/1998EP0703884A4 Processes for the preparation of sulfur coated fertilizers and products produced thereby
12/1997
12/24/1997WO1997048664A1 Controlled release plant nutrients
12/16/1997US5698003 Formulation for fertilizer additive concentrate
11/1997
11/26/1997CN1165801A Coated synergistic urea
11/26/1997CN1165800A Improver of rhizosphere microflora
11/05/1997EP0804069A1 Compositions and methods for use in aquaculture
11/05/1997CN1163878A Urea synergist
10/1997
10/22/1997CN1162392A Plant growing agent and method for culturing plants
10/14/1997US5676729 Contains diatomaceous earth, bentonite, kaolin, zeolites, ball clay fillers; noncaking
10/14/1997US5676727 Method of producing slow-release nitrogenous organic fertilizer from biomass
10/01/1997CN1035991C Process for preparing fertilizer mixture of urea and pesticide with zeolite powder as carrier
09/1997
09/04/1997WO1997031879A1 Liquid soil enrichment microbial compositions
08/1997
08/27/1997EP0574541B1 Sulfur coated fertilizers and process for the preparation thereof
08/13/1997EP0788310A1 Method for inhibiting plant disease
08/07/1997WO1997028100A1 Process for preparing granular urea
08/06/1997EP0787700A1 Plant growing agent and plant growing method
08/05/1997US5653781 Process for the production of urea granules
07/1997
07/08/1997US5645756 Containing water soluble polymers and phosphonates
06/1997
06/26/1997WO1997022568A1 Improved formulation for fertilizer additive concentrate
05/1997
05/28/1997EP0463075B1 Stabilized urea based fertilizers for foliar application
05/21/1997EP0571532B1 Abrasion resistant coatings for fertilizers
05/13/1997US5628810 Method and composition for increasing the protein content of grains
04/1997
04/01/1997US5616307 Boiler operation with decreased NOx and waste water discharge
03/1997
03/19/1997CN1145351A Special health agent for wheat field
03/05/1997EP0677030A4 Aminoureaformaldehyde fertilizer method and composition.
02/1997
02/13/1997WO1997005084A1 Method for production of oligomethyleneurea
02/13/1997CA2228217A1 Method for preparing a fertilizer
02/04/1997US5599374 Uniform, durable polymer coating
01/1997
01/16/1997WO1997001518A1 Particulate urea with mineral filler incorporated for hardness
01/14/1997US5593099 Apparatus for producing solid fertilizer from liquid substances such as manure from liverstock or sludge
12/1996
12/10/1996US5583165 Top dressing for gardens and lawns
12/10/1996US5583089 Bicarbonate salt pesticide composition containing a clathrate spreader-sticker ingredient
11/1996
11/13/1996CN1135745A Process for producing improved sulfur-coated urea slow release fertilizers
10/1996
10/22/1996US5567221 Applying controlled release fertilizer to closed aquatic ecosystem to promote marine life populations
10/02/1996CN1032914C Prodn. method of granular compound fertilizer by directly using phosphorus ore powder as source
09/1996
09/18/1996CN1032809C Long effect urea fertilizer and process for manufacturing same
09/18/1996CN1032808C Process for producing long effect urea containing hydrochinone
09/12/1996DE19508145C1 Improving plant-growing soils
09/11/1996EP0730565A1 Process for producing improved sulfur-coated urea slow release fertilizers
09/11/1996CN1130609A Long-acting urea coated with rare-earth
08/1996
08/27/1996US5549728 Urea-containing fertilizer with reduced rate of ammonia release
08/20/1996US5547486 Machine system and process for producing attrition resistant slow release fertilizers
07/1996
07/11/1996WO1996020589A1 Compositions and methods for use in aquaculture
07/10/1996CN1126465A Abrasion resistant coatings for fertilizers
07/02/1996US5532204 Foliar-applied methanol and nitrogen for increased productivity on leguminous plants
06/1996
06/19/1996EP0653961B1 Process for the production of urea granules
06/12/1996EP0716056A1 Method of producing slow-release nitrogenous organic fertilizer from biomass
05/1996
05/09/1996WO1996013169A1 Method for inhibiting plant disease
05/07/1996US5514307 Atomizing water in prill tower to affect faster solidification
04/1996
04/17/1996EP0706503A1 Abrasion resistant coatings for fertilizers
04/03/1996EP0703884A1 Processes for the preparation of sulfur coated fertilizers and products produced thereby
03/1996
03/28/1996WO1996009267A1 Process for producing improved sulfur-coated urea slow release fertilizers
03/26/1996US5501720 Spray-dried urea-formaldehyde and lignosulfonate compositions
02/1996
02/15/1996WO1996004222A1 Fertilizer with neutralizing capacity and moss killing effect
01/1996
01/25/1996DE19525591A1 Compsn. for increasing protein content of crops, esp. cereals
12/1995
12/27/1995CN1113934A Solid composite containing sulfuric acid and its application
12/20/1995EP0375725B1 Compositions for biological control of plant pathogenic nematodes
12/19/1995US5476527 Mixing urea and water soluble phosphoric acid (or salt) anticaking agent, pelletization; high compressive strength; white color
12/13/1995EP0523178B1 Granular slow release fertilizer composition and process
11/1995
11/28/1995US5470370 Complex composition resulting from the action of urea on a sulfuric sludge of petroleum origin, process for the preparation thereof and use thereof as a source of fertilizing material
11/14/1995US5466274 Abrasion resistant coatings for fertilizers
11/01/1995CN1110896A High efficient composite fertilizer with farm chemicals for forest and fruit trees "Lin'guobao"
10/1995
10/26/1995DE19513560A1 Absorbent granules made of diatomaceous earth
10/25/1995EP0678084A1 Metal ammonium phosphate-alkylene urea buffered fertilizer
10/18/1995EP0677030A1 Aminoureaformaldehyde fertilizer method and composition
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