| Patents for C05C 9 - Fertilisers containing urea or urea compounds (2,709) |
|---|
| 10/20/1987 | US4701204 Neutralized sulfonated elastomer with amine containing polymer; time-release agents |
| 10/01/1987 | DE3709685A1 Slow-release fertiliser in the form of a gel composition, and process for its preparation |
| 08/18/1987 | US4686790 Water soluble polymer, nitrogen source, coating of water resistant polymer |
| 08/11/1987 | US4686017 Depositing or removing a metal |
| 07/28/1987 | US4682999 Methods for enhancing the productivity of plants |
| 07/16/1987 | DE3600704A1 Granulated slow-release nitrogen fertiliser, and process for its preparation |
| 06/30/1987 | US4676822 Stability |
| 06/30/1987 | US4676821 Lignosulfonate, fertilizers |
| 06/19/1987 | DE3543920A1 Slow-release nitrogen fertiliser and process for its preparation |
| 06/16/1987 | US4673522 Unclogging pipes and drains |
| 06/10/1987 | EP0224990A1 Degradable agricultural mulch film |
| 05/27/1987 | EP0223624A1 Process for cultivating water hyacinths, plants and their uses |
| 05/27/1987 | EP0223276A1 A method of producing fertilizer granules containing urea and ammonium sulphate |
| 05/14/1987 | DE3539631A1 Process for the preparation of oligomethyleneurea mixtures |
| 04/15/1987 | CN86106555A Method of producing fertilizer granules containing urea and ammounium sulphate and similar granules |
| 04/01/1987 | EP0216108A1 High-strength, storage-linkage particulate urea and method for the production thereof |
| 03/04/1987 | CN85105141A Production method of urea |
| 02/11/1987 | CN85109580A Production of long life urea fertilizers containing para-dihydroxyl-benzene |
| 01/13/1987 | US4636242 Sulfur-based encapsulants for fertilizers |
| 12/24/1986 | CN85104656A Soil treating method and composition for conserving nitrogen in soil |
| 12/10/1986 | CN85104430A Soil treating method and composition for conserving nitrogen in soil |
| 09/24/1986 | CN85102658A Method for synthesis of complex fertilizer iron hexaurea trinitrate (3) |
| 09/17/1986 | CN85102376A Method for producing urea-(nh4)3 po4 compound fertilizer |
| 09/09/1986 | US4610715 Process for preparing fertilizers releasing nitrogen slowly |
| 07/29/1986 | CA1208451A1 Fertilizer product and process for making and using it |
| 07/08/1986 | US4599102 Triazone fertilizer and method of making |
| 06/24/1986 | US4596593 Urea-formaldehyde condensate-based slow release nitrogen fertilizer and process for producing same |
| 06/17/1986 | CA1206229A1 Control system for prilling tools |
| 05/27/1986 | US4591375 Nonphytotxic fertilizers |
| 05/20/1986 | US4589925 Methods for cleaning materials |
| 05/06/1986 | US4587358 Mixing with lignin |
| 04/01/1986 | US4579580 Storage stable liquids with low saltout temperatures |
| 03/25/1986 | US4578105 Stable ureaform dispersion fertilizers |
| 03/04/1986 | CA1201448A1 Methods of producing concentrated urea-sulfuric acid reaction products |
| 02/18/1986 | US4571256 Nitrogen fertilizer manifesting fungicidal property against pathogenic fungi |
| 02/10/1986 | CN85101008A Wrapped fertilizer and its manufacture |
| 02/04/1986 | US4568417 Control system for prilling towers |
| 01/28/1986 | CA1199809A1 Process and composition for controlled nourishing of agricultural plants |
| 01/21/1986 | US4565564 Coated fertilizer particles |
| 01/07/1986 | US4563208 Fertilizers containing nitrogen and micronutrients |
| 01/07/1986 | EP0101467A4 Process and composition for controlled nourishing of agricultural plants. |
| 01/02/1986 | EP0166421A2 Soil treating method and composition for conserving nitrogen in soil |
| 01/02/1986 | EP0166419A2 Soil treating method and composition for conserving nitrogen in soil |
| 12/17/1985 | US4559076 Reducing ammonia volitilization using a nitrogen fertilizer and a group 1a or 2a metal salt |
| 11/19/1985 | US4554005 From urea, aldehyde and ammonia or amine; |
| 11/06/1985 | EP0160210A2 Combination fertilizer composition |
| 11/05/1985 | US4551166 Nitrogen fertilizer and process for its manufacture |
| 08/20/1985 | CA1192223A1 Process for making urea prills and urea prills obtained by applying this process |
| 07/23/1985 | US4530713 Adjusting ph while heating |
| 07/09/1985 | CA1190059A1 Process for making granules containing urea as the main component |
| 07/02/1985 | US4526606 Urea-formaldehyde liquid fertilizer suspension |
| 06/25/1985 | US4525198 Compatabale with superphosphates, fertilizers |
| 06/18/1985 | US4523940 Soil treating method and composition for conserving nitrogen in soil |
| 06/11/1985 | US4522642 Soil treating method and composition for conserving nitrogen in soil |
| 06/04/1985 | CA1188123A1 Controlled release particulate fertilizer composition |
| 05/15/1985 | EP0141437A1 Process for the preparation of granules |
| 05/14/1985 | CA1186861A1 Prilling |
| 04/03/1985 | EP0135714A2 Sustained release compositions for biologically active materials |
| 04/03/1985 | EP0135590A1 Improved fertilizer product and process for making and using it |
| 03/26/1985 | US4507142 Alpha-oximino alkanoic acid containing foliar fertilizers to increase yield of crop plants |
| 03/26/1985 | US4507139 Acid type solid urea-nitric fertilizer |
| 02/26/1985 | US4501773 Granulation process |
| 02/19/1985 | US4500335 Metal salts reduce ammonia volatilization |
| 01/22/1985 | US4494976 Fertilizers containing nitrogen and micronutrients |
| 01/15/1985 | USRE31801 Urea-formaldehyde solution for foliar fertilization |
| 11/13/1984 | CA1177702A1 Urea granules coated with polyalkylene glycol of molecular weight from 200 to 600 |
| 10/23/1984 | US4478632 Process for making granules containing urea as the main component |
| 10/02/1984 | US4474925 Sprayable fertilizers |
| 10/02/1984 | US4474595 Sustained release, urea-formaldehyde resin |
| 09/13/1984 | WO1984003503A1 Improved fertilizer product and process for making and using it |
| 09/11/1984 | CA1174068A1 Urea-formaldehyde granular fertilizer |
| 09/04/1984 | US4469648 Emulsification of melts, quenching, and solidification |
| 08/21/1984 | CA1172870A1 Soil product |
| 08/21/1984 | CA1172869A1 Composition of matter and method of use for nitrogen fertilization |
| 07/31/1984 | US4462819 Urease inhibited urea based fertilizer compositions containing organo boron acid compounds |
| 06/26/1984 | US4456463 Maintains low ph |
| 06/12/1984 | US4454259 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 |
| 05/22/1984 | US4449900 Prilling |
| 05/08/1984 | US4447253 Topical fertilization methods and compositions for use therein |
| 05/01/1984 | US4445925 Methods of producing concentrated urea-sulfuric acid reaction products |
| 04/24/1984 | CA1165960A1 Granulation process |
| 04/17/1984 | US4443242 Foliar feed |
| 03/28/1984 | EP0104021A2 Controlling moisture content of prilled products |
| 03/13/1984 | US4436545 Adding urea to iron sulfate |
| 02/29/1984 | EP0101467A1 Process and composition for controlled nourishing of agricultural plants |
| 01/25/1984 | EP0099176A1 Prilling |
| 01/03/1984 | US4424072 Prilling |
| 01/03/1984 | CA1159666A1 Urea formaldehyde dispersions modified with higher aldehydes |
| 12/07/1983 | EP0095913A2 A process for preparing fertilizers |
| 11/22/1983 | CA1157288A1 Process for the production of urea granules |
| 10/25/1983 | US4411683 Process of preparing solid controlled release fertilizer composition |
| 10/11/1983 | US4409015 Flowable liquid fertilizer containing suspended water insoluble nitrogen |
| 09/27/1983 | CA1154212A1 Granulation process and apparatus therefor |
| 09/20/1983 | CA1153926A1 Free-flowing granular urea nutrient supplements |
| 09/13/1983 | US4404116 Noncorrosive urea-sulfuric acid reaction products |
| 09/13/1983 | CA1153518A1 Granulating process and apparatus |
| 09/06/1983 | US4402852 Noncorrosive urea-sulfuric acid compositions |
| 09/01/1983 | WO1983002877A1 Process and composition for controlled nourishing of agricultural plants |
| 08/23/1983 | CA1152389A1 Method of making granules built up from a core and an envelope |
| 08/09/1983 | US4397675 Method of producing urea-sulfuric acid reaction products |