Patents
Sitemap › C05 - Fertilisers; Manufacture thereof › C05C - Nitrogenous fertilisers › C05C 9 - Fertilisers containing urea or urea compounds
Patents for C05C 9 - Fertilisers containing urea or urea compounds (2,709)
07/1983
07/19/1983US4394149 Plant nutriment compositions and method of their application
07/12/1983US4393166 Process for the preparation of polyaddition products of isocyanates and denatured biomasses, their use as reactive fillers and as plant nutrients and a process for the production of sheets or shaped articles using the polyaddition products
06/1983
06/28/1983US4390483 Method for making urea prills and urea prills obtained by applying this method
05/1983
05/24/1983CA1146973A1 Process for the production of urea grains with improved properties
04/1983
04/19/1983CA1144771A1 Manufacture of urea sulfur fertilizer
03/1983
03/29/1983US4378238 Low molecular weight urea-formaldehyde resin
02/1983
02/09/1983EP0071128A2 Granulated fertilizer with regulated solvability
11/1982
11/30/1982CA1136497A1 Granule producing machine
11/16/1982CA1135524A1 Liquid foliar fertilizer compositions containing water-soluble urea-formaldehyde products
10/1982
10/26/1982US4356021 Aqueous mixture of zinc oxide, ammonium thiosulfate, and ammonium nitrate and/or urea
10/12/1982US4353730 Granulating process
10/12/1982US4353709 Granulation process
09/1982
09/01/1982EP0059027A2 Foliar feed
08/1982
08/31/1982CA1130518A1 Process for the preparation of spheroidally shaped products, solid at room temperature
08/10/1982US4343622 Method of making granules built up from a core and an envelope
07/1982
07/07/1982EP0055493A1 New composition of matter and method of use for nitrogen fertilization
06/1982
06/22/1982US4336052 Method of using corn syrup for reducing phytotoxicity of urea applied to plants for foliar fertilization
06/01/1982US4332610 Sustained release fertilizers for grasses
06/01/1982US4332211 Granule producing apparatus
05/1982
05/18/1982US4330319 Manufacture of urea sulfur fertilizer
03/1982
03/17/1982EP0047556A1 Process for reducing the caking and dusting tendencies of urea granules
02/1982
02/16/1982CA1118293A1 Process and apparatus for producing urea granules
02/02/1982CA1117413A1 Surfactant compositions and pesticide formulations prepared therewith
01/1982
01/12/1982US4310343 Urea sulfate salt
01/05/1982US4309206 Process for the production of odorless prilled urea-dicyandiamide fertilizers
12/1981
12/15/1981CA1114183A1 Method of stabilizing a peroxide-containing composition
12/08/1981US4304589 Briquetted fertilizer for forest fertilization
12/08/1981US4304588 Foliar feed compositions
11/1981
11/10/1981CA1112070A1 Storage-stable nitrogen-zinc foliar spray compositions
11/03/1981US4298512 Sustained release fertilizers
10/1981
10/29/1981WO1981003025A1 Urea formaldehyde dispersions modified with higher aldehydes
10/27/1981US4297130 Spraying an aqueous solution of a condensation product of urea and formaldehyde; sustained release
10/15/1981WO1981002890A1 Making urea prills and prills thus obtained
10/07/1981EP0037148A1 Process for making urea prills
08/1981
08/11/1981US4283423 Free-flowing granular urea nutrient supplements
07/1981
07/28/1981US4280830 Urea-formaldehyde granular fertilizer
05/1981
05/26/1981CA1101641A1 Urea granulation
05/19/1981CA1101157A1 Semisynthetic paper structure on a urea basis
04/1981
04/28/1981CA1099984A1 Liquid nutrient composition for agricultural use
04/15/1981EP0026918A1 Granulation process
02/1981
02/11/1981EP0023684A1 Granule producing apparatus
01/1981
01/13/1981US4244727 Urea-formaldehyde solution for foliar fertilization
12/1980
12/23/1980CA1092155A1 Method for the production of urea of high mechanical strength
12/10/1980EP0019881A1 Urea prills with improved properties and their production
12/09/1980US4238429 Spraying melts, solidification, preheating
11/1980
11/26/1980EP0019215A1 Process for preparation of denatured polyaddition products from residues of distillation of isocyanates and biomasses and their use as reactive fillers as nutritious matter for plants and as binder in the production of panels or shaped pieces
11/18/1980CA1089664A1 Fertilizer compound of the ureaform type and a method for the production thereof
11/11/1980CA1089247A1 Preparation of ureaform
11/04/1980US4231227 Prill tower rake
10/1980
10/07/1980CA1086975A2 Leaf fertilizer
09/1980
09/09/1980CA1085180A1 Controlled release fertilizer
08/1980
08/26/1980US4219589 Spraying an aqueous urea solution onto urea nuclei, evaporation, crystallization
08/12/1980US4217127 Process for producing urea granules
08/12/1980US4217114 Process for recovering powders obtained from apparatuses used for treating liquid or solid materials
07/1980
07/29/1980US4214888 Foliar fertilization method and composition
07/23/1980EP0013307A1 Liquid foliar fertilizer compositions containing water-soluble urea-formaldehyde products
05/1980
05/20/1980US4204053 Method for the production of urea of high mechanical strength
04/1980
04/15/1980CA1075483A1 Leaf fertilizer
03/1980
03/25/1980CA1074142A1 High analysis fertilizer
03/04/1980CA1072723A1 Method of removing sulfur dioxide from flue gases
02/1980
02/26/1980US4190622 Contacting molten droplets with cocurrent gas stream in prill tower, cooling, collecting prills in fluidized bed with second gas stream flowing countercurrent to prills
02/05/1980CA1070930A1 Pollution control process for fertilizer plant
01/1980
01/15/1980US4183783 Semisynthetic paper structure on a urea basis
11/1979
11/20/1979US4174957 Synthetic growing medium and method of preparing it
11/06/1979US4173582 Method for the manufacture of improved ureaform fertilizer
10/1979
10/09/1979CA1063778A1 Method of pan granulation
08/1979
08/21/1979CA1060635A1 Process for recovering powders obtained from apparatuses used for treating liquid or solid materials
08/07/1979CA1059778A1 Particulate urea-formaldehyde fertilizer composition and process
07/1979
07/10/1979US4160782 With di- or tri-methylol urea and free formaldehyde to prevent caking
07/10/1979CA1058023A1 Controlled-release product coated with masonry cement and wax-polymer blend
06/1979
06/12/1979US4157988 Method and composition for removing sulfur dioxide from flue gases
05/1979
05/22/1979US4155739 Nonhydrolyzing
05/22/1979US4155738 With lignin sulfonate; plant foods
03/1979
03/20/1979US4145207 Preparation of improved foliar fertilizer
03/20/1979CA1050779A1 Briquetted fertilizer for forest fertilization
03/06/1979US4142885 Method of preparing fertilizers with retarded nutrient release
11/1978
11/14/1978US4125393 ULV pesticide containing fertilizer
10/1978
10/31/1978US4123570 Preparation of ureaform
10/31/1978CA1041484A1 Process for the preparation of urea-formaldehyde condensates to be used as fertilizers
10/17/1978US4120685 Process for the preparation of urea-formaldehyde condensates to be used as fertilizers
09/1978
09/26/1978US4116664 Fertilizer composition and method of making same
09/26/1978CA1039077A1 Nitrogenous fertilizers
05/1978
05/23/1978US4091075 Method for removing sulfur dioxide from flue gases
05/16/1978US4089899 Fertilizer compound of the ureaform type and a method for the production thereof
04/1978
04/25/1978CA1170071B Drivable fertilizer spikes
04/11/1978US4083712 Nitrogenous fertilizer compositions
04/04/1978US4082533 Time-release fertilizer
02/1978
02/14/1978US4073633 Topical nitrogen fertilization method
01/1978
01/24/1978US4070441 Method of removing sulfur dioxide from flue gases
09/1977
09/13/1977US4047922 Slow release composition comprising slack wax-urea adduct
08/1977
08/16/1977US4042366 Controlled release fertilizer
07/1977
07/05/1977US4033745 Grasses, urea-formaldehyde resin
05/1977
05/24/1977US4025329 Particulate urea-formaldehyde fertilizer composition and process
05/17/1977US4023955 Controlled release fertilizer
03/1977
03/22/1977US4013440 Nitrogenous fertilizers
02/1977
02/15/1977US4008064 Method of pan granulation
11/1976
11/09/1976US3991225 Method for applying coatings to solid particles
11/02/1976US3989500 Method of regulating plant growth
11/02/1976US3989470 Urea-formaldehyde fertilizer
09/1976
09/21/1976US3981713 Urea-zinc oxide composition and process
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