CA1111277A - Coated granular fertilizer capable of controlling the effect of temperature upon dissolution-out rate - Google Patents
Coated granular fertilizer capable of controlling the effect of temperature upon dissolution-out rateInfo
- Publication number
- CA1111277A CA1111277A CA309,119A CA309119A CA1111277A CA 1111277 A CA1111277 A CA 1111277A CA 309119 A CA309119 A CA 309119A CA 1111277 A CA1111277 A CA 1111277A
- Authority
- CA
- Canada
- Prior art keywords
- solution
- fertilizer
- hot
- coating
- resin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000003337 fertilizer Substances 0.000 title claims abstract description 80
- 230000000694 effects Effects 0.000 title description 4
- 229920005989 resin Polymers 0.000 claims abstract description 84
- 239000011347 resin Substances 0.000 claims abstract description 84
- 239000000843 powder Substances 0.000 claims abstract description 64
- 238000001035 drying Methods 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 18
- 239000008187 granular material Substances 0.000 claims abstract description 15
- 239000005038 ethylene vinyl acetate Substances 0.000 claims abstract description 11
- 230000035699 permeability Effects 0.000 claims abstract description 11
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims abstract description 11
- 229920000098 polyolefin Polymers 0.000 claims abstract description 10
- 239000011247 coating layer Substances 0.000 claims abstract description 9
- 125000002573 ethenylidene group Chemical group [*]=C=C([H])[H] 0.000 claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 claims abstract description 9
- 238000005507 spraying Methods 0.000 claims abstract description 7
- 239000011248 coating agent Substances 0.000 claims description 34
- 238000000576 coating method Methods 0.000 claims description 34
- 239000002245 particle Substances 0.000 claims description 20
- 239000000454 talc Substances 0.000 claims description 20
- 229910052623 talc Inorganic materials 0.000 claims description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 15
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 8
- 239000006185 dispersion Substances 0.000 claims description 7
- -1 A?2O3 Substances 0.000 claims description 6
- 239000000377 silicon dioxide Substances 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 6
- 229920001577 copolymer Polymers 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 4
- 239000001993 wax Substances 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 239000004793 Polystyrene Substances 0.000 claims description 2
- 150000001336 alkenes Chemical class 0.000 claims description 2
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 claims description 2
- 229930195733 hydrocarbon Natural products 0.000 claims description 2
- 150000002430 hydrocarbons Chemical class 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 239000012260 resinous material Substances 0.000 claims 5
- 239000005909 Kieselgur Substances 0.000 claims 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims 3
- 239000004927 clay Substances 0.000 claims 3
- 229910052570 clay Inorganic materials 0.000 claims 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims 2
- 229910052593 corundum Inorganic materials 0.000 claims 2
- 239000007787 solid Substances 0.000 claims 2
- 229910001845 yogo sapphire Inorganic materials 0.000 claims 2
- 239000004215 Carbon black (E152) Substances 0.000 claims 1
- 229920002223 polystyrene Polymers 0.000 claims 1
- 229920000131 polyvinylidene Polymers 0.000 claims 1
- 239000010410 layer Substances 0.000 abstract description 8
- 239000002775 capsule Substances 0.000 description 20
- 230000005484 gravity Effects 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 238000002360 preparation method Methods 0.000 description 7
- 239000004743 Polypropylene Substances 0.000 description 5
- 239000000499 gel Substances 0.000 description 5
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000004202 carbamide Substances 0.000 description 4
- 238000004090 dissolution Methods 0.000 description 4
- 239000010419 fine particle Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000011800 void material Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- CYTYCFOTNPOANT-UHFFFAOYSA-N Perchloroethylene Chemical group ClC(Cl)=C(Cl)Cl CYTYCFOTNPOANT-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 229950011008 tetrachloroethylene Drugs 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 235000015110 jellies Nutrition 0.000 description 2
- 239000008274 jelly Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000003204 osmotic effect Effects 0.000 description 2
- 230000003578 releasing effect Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical group ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 description 1
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 229920001328 Polyvinylidene chloride Polymers 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 235000019441 ethanol Nutrition 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 235000008935 nutritious Nutrition 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000005033 polyvinylidene chloride Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/30—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic using agents to prevent the granules sticking together; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/30—Layered or coated, e.g. dust-preventing coatings
- C05G5/37—Layered or coated, e.g. dust-preventing coatings layered or coated with a polymer
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Fertilizers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP980/1978 | 1978-01-09 | ||
| JP53000980A JPS603040B2 (ja) | 1978-01-09 | 1978-01-09 | 被覆肥料とその製造法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1111277A true CA1111277A (en) | 1981-10-27 |
Family
ID=11488746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA309,119A Expired CA1111277A (en) | 1978-01-09 | 1978-08-10 | Coated granular fertilizer capable of controlling the effect of temperature upon dissolution-out rate |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US4369055A (en, 2012) |
| JP (1) | JPS603040B2 (en, 2012) |
| AU (1) | AU520642B2 (en, 2012) |
| BE (1) | BE869577A (en, 2012) |
| CA (1) | CA1111277A (en, 2012) |
| DE (1) | DE2834513C2 (en, 2012) |
| FR (1) | FR2413932A1 (en, 2012) |
| GB (1) | GB2011367B (en, 2012) |
| IT (1) | IT1111674B (en, 2012) |
| LU (1) | LU80085A1 (en, 2012) |
| NL (1) | NL176448C (en, 2012) |
| SU (1) | SU1528342A3 (en, 2012) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5211985A (en) * | 1991-10-09 | 1993-05-18 | Ici Canada, Inc. | Multi-stage process for continuous coating of fertilizer particles |
| US12116210B2 (en) | 2018-11-01 | 2024-10-15 | Corteva Agriscience Llc | Systems and methods for manufacture of controlled release of agricultural cores |
Families Citing this family (45)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3203849A1 (de) * | 1982-02-02 | 1983-08-11 | Schering Ag, 1000 Berlin Und 4619 Bergkamen | Duengemittel mit gesteuertem beginn der naehrstoffabgabe |
| US5133797A (en) * | 1988-04-06 | 1992-07-28 | Sumitomo Chemical Company, Ltd. | Coated granular fertilizer composition and its production |
| JPH02111686A (ja) * | 1988-10-19 | 1990-04-24 | Central Glass Co Ltd | 被覆粒状肥料およびその製造法 |
| US5030267A (en) * | 1988-11-14 | 1991-07-09 | Nutrihold Inc. | Method of preparing controlled release fertilizers and products thereof |
| WO1990010691A1 (en) * | 1989-03-10 | 1990-09-20 | Grace-Sierra Horticultural Products Company | Tissue culturing |
| US5264019A (en) * | 1991-03-05 | 1993-11-23 | Eastman Kodak Company | Coating compositions for slow release fertilizer formulations |
| US5228895A (en) * | 1991-04-11 | 1993-07-20 | Kelly Lime And Rock Company, Inc. | Fertilizer and limestone product |
| US5652196A (en) * | 1991-07-22 | 1997-07-29 | Oms Investments, Inc. | Timed release of water-soluble plant nutrients |
| DE4127459A1 (de) * | 1991-08-20 | 1993-02-25 | Aglukon Spezialduenger Gmbh | Verfahren zur herstellung von membranumhuellten duengemittelgranulaten |
| TW210995B (en, 2012) * | 1991-09-19 | 1993-08-11 | Asahi Chemical Ind | |
| US5560768A (en) * | 1993-05-06 | 1996-10-01 | Haifa Chemicals South Ltd. | Method for preparing an encapsulated slow-release particulate fertilizer |
| US5766302A (en) * | 1993-05-07 | 1998-06-16 | Lefroy; Roderick David Bruce | Fertilizer coating process |
| JP3291077B2 (ja) * | 1993-07-21 | 2002-06-10 | 旭化成株式会社 | 分解速度の異なる被膜材よりなる多層被覆粒状肥料 |
| MY121922A (en) * | 1993-09-21 | 2006-03-31 | Exxon Res & Engineering Company | Bioremediation of hydrocarbon contaminated soils and water. |
| US6503288B1 (en) | 1996-12-30 | 2003-01-07 | Bayer Corporation | Process for the production of biodegradable encapsulated fertilizers |
| JPH10212205A (ja) * | 1997-01-29 | 1998-08-11 | Chisso Corp | 時限放出制御型被覆農薬粒剤 |
| AU727823B2 (en) * | 1997-02-19 | 2000-12-21 | Jcam Agri. Co., Ltd. | Granular fertilizer coated with degradable film and method for producing the same |
| US6045810A (en) * | 1998-04-27 | 2000-04-04 | Agri-Nutrients Technology Group, Inc. | Reinforced-resin coated plant food granules |
| AU723100B2 (en) * | 1998-05-05 | 2000-08-17 | Everris International B.V. | Controlled release fertilizer compositions and processes for the preparation thereof |
| US6152981A (en) * | 1998-07-23 | 2000-11-28 | Bayer Corporation | Sulfur containing isocyanate compositions |
| US6165550A (en) * | 1998-07-23 | 2000-12-26 | Bayer Corporation | Symmetrical Polyurea-urethane fertilizer encapsulation |
| US6001147A (en) * | 1998-07-23 | 1999-12-14 | Bayer Corporation | Unsymmetrical polyureaurethane fertilizer encapsulation |
| FI107024B (fi) * | 1999-06-14 | 2001-05-31 | Kemira Agro Oy | Menetelmä partikkelien pinnoittamiseksi, pinnoitesuspension käyttö sekä pinnoitettu tuote |
| US6364925B1 (en) | 1999-12-10 | 2002-04-02 | Bayer Corporation | Polyurethane encapsulated fertilizer having improved slow-release properties |
| JP2002068880A (ja) * | 2000-06-14 | 2002-03-08 | Chisso Corp | 被覆生物活性粒状物およびその製造方法 |
| US6358296B1 (en) | 2000-07-11 | 2002-03-19 | Bayer Corporation | Slow-release polyurethane encapsulated fertilizer using oleo polyols |
| EP1199291A1 (de) | 2000-10-17 | 2002-04-24 | Agra Dünger GmbH | Beschichtetes chemisches Erzeugnis und Verfahren zur Herstellung |
| US6617412B2 (en) | 2001-10-12 | 2003-09-09 | Bayer Corporation | Fertilizer encapsulation using sulfur containing polyols |
| FI113366B (fi) * | 2002-06-20 | 2004-04-15 | Kemira Growhow Oy | Pinnoitetut ammoniumnitraatti- ja ureapartikkelit |
| KR100961030B1 (ko) * | 2005-04-07 | 2010-06-01 | 미쓰이 가가쿠 가부시키가이샤 | 올레핀계 중합체로 이루어지는 캡슐형상의 미립자 |
| CA2733560A1 (en) * | 2007-08-14 | 2009-02-19 | Cellulosetek, Llc | Controlled release fertilizers and methods of manufacture |
| CN102491847B (zh) * | 2011-12-09 | 2017-05-10 | 邹立基 | 内含化肥的土壤团粒制备机 |
| US20150218059A1 (en) | 2012-08-20 | 2015-08-06 | Plantacote B.V. | Manufacturing polymer coated controlled release fertilizers |
| CN104869804A (zh) * | 2013-01-11 | 2015-08-26 | 东洋橡胶工业株式会社 | 人工土壤培养基 |
| US10336913B2 (en) | 2013-08-28 | 2019-07-02 | Dow Corning Toray Co., Ltd. | Curable silicone composition, cured product thereof, and optical semiconductor device |
| KR102541653B1 (ko) | 2015-09-11 | 2023-06-08 | 수미토모 케미칼 컴퍼니 리미티드 | 피복 입상 비료, 피복 입상 비료의 제조 방법 및 비료 조성물 |
| BR112018009874B1 (pt) | 2015-11-16 | 2022-10-04 | SABIC Global Technologies B.V | Fertilizantes granulares revestidos, métodos de fabricação dos mesmos e usos dos mesmos |
| CN111094215B (zh) * | 2017-09-13 | 2022-05-03 | 株式会社Lg化学 | 具有降低的漂浮性的包含三嵌段共聚物的控释型肥料及其制备方法 |
| US11377395B2 (en) * | 2017-09-13 | 2022-07-05 | Lg Chem, Ltd. | Controlled-release type fertilizer with decreased floating property comprising polyoxyethylene alky(-aryl) ether and method for preparing the same |
| KR102510340B1 (ko) * | 2017-12-14 | 2023-03-15 | 주식회사 엘지화학 | 용출 제어형 비료 |
| JP6980569B2 (ja) * | 2018-03-13 | 2021-12-15 | ジェイカムアグリ株式会社 | 被覆粒状肥料、被覆粒状肥料の製造方法、配合肥料および栽培方法 |
| KR102113261B1 (ko) * | 2018-03-28 | 2020-05-20 | 주식회사 엘지화학 | 용출 제어형 비료 |
| KR102111607B1 (ko) * | 2018-03-28 | 2020-05-15 | 주식회사 엘지화학 | 용출 제어형 비료 |
| US11591276B2 (en) | 2018-09-09 | 2023-02-28 | Cotex Technologies Inc. | System and method for manufacturing polymer coated controlled release fertilizers |
| AU2021337842A1 (en) | 2020-09-01 | 2023-03-23 | SABIC Agri-Nutrients Company | Coated fertilizer granules |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3372019A (en) * | 1964-09-28 | 1968-03-05 | Chevron Res | Slow-release coating composition consiting of wax and ethylene vinylacetate |
| DE1592655C2 (de) * | 1966-07-13 | 1972-03-30 | Gewerkschaft Victor, Chemische Werke, 4620 Castrop Rauxel | Düngemittelgranulat mit kontollierter Nährstoffabgabe |
| US4015970A (en) * | 1968-09-06 | 1977-04-05 | Airwick Industries, Inc. | Granular products for soil treatment |
| FR1591081A (en, 2012) * | 1968-09-06 | 1970-04-27 | ||
| DE2021259C3 (de) * | 1970-04-30 | 1979-02-08 | Gewerkschaft Victor Chemische Werke, 4620 Castrop-Rauxel | Düngemittelgranulat mit kontrollierter Nährstoffabgabe |
| JPS543104B2 (en, 2012) * | 1973-12-28 | 1979-02-17 |
-
1978
- 1978-01-09 JP JP53000980A patent/JPS603040B2/ja not_active Expired
- 1978-08-04 GB GB7832274A patent/GB2011367B/en not_active Expired
- 1978-08-04 NL NLAANVRAGE7808231,A patent/NL176448C/xx not_active IP Right Cessation
- 1978-08-04 FR FR7823147A patent/FR2413932A1/fr active Granted
- 1978-08-07 DE DE2834513A patent/DE2834513C2/de not_active Expired
- 1978-08-07 SU SU782649301A patent/SU1528342A3/ru active
- 1978-08-07 BE BE189748A patent/BE869577A/xx not_active IP Right Cessation
- 1978-08-07 IT IT26546/78A patent/IT1111674B/it active
- 1978-08-07 LU LU80085A patent/LU80085A1/xx unknown
- 1978-08-10 CA CA309,119A patent/CA1111277A/en not_active Expired
- 1978-08-17 AU AU39011/78A patent/AU520642B2/en not_active Expired
-
1981
- 1981-09-03 US US06/299,203 patent/US4369055A/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5211985A (en) * | 1991-10-09 | 1993-05-18 | Ici Canada, Inc. | Multi-stage process for continuous coating of fertilizer particles |
| US5399186A (en) * | 1991-10-09 | 1995-03-21 | Ici Canada, Inc. | Apparatus and process for coating particles |
| US12116210B2 (en) | 2018-11-01 | 2024-10-15 | Corteva Agriscience Llc | Systems and methods for manufacture of controlled release of agricultural cores |
Also Published As
| Publication number | Publication date |
|---|---|
| IT7826546A0 (it) | 1978-08-07 |
| US4369055A (en) | 1983-01-18 |
| GB2011367A (en) | 1979-07-11 |
| JPS603040B2 (ja) | 1985-01-25 |
| IT1111674B (it) | 1986-01-13 |
| SU1528342A3 (ru) | 1989-12-07 |
| BE869577A (fr) | 1978-12-01 |
| NL176448C (nl) | 1985-04-16 |
| AU520642B2 (en) | 1982-02-18 |
| DE2834513C2 (de) | 1983-11-17 |
| NL7808231A (nl) | 1979-07-11 |
| DE2834513A1 (de) | 1979-07-12 |
| FR2413932B1 (en, 2012) | 1982-03-19 |
| NL176448B (nl) | 1984-11-16 |
| AU3901178A (en) | 1980-02-21 |
| GB2011367B (en) | 1983-01-12 |
| JPS5497260A (en) | 1979-08-01 |
| LU80085A1 (en, 2012) | 1979-01-19 |
| FR2413932A1 (fr) | 1979-08-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1111277A (en) | Coated granular fertilizer capable of controlling the effect of temperature upon dissolution-out rate | |
| US4019890A (en) | Method for producing coated fertilizer | |
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