IL97633A - Cultivated fertilizers for slow release - Google Patents
Cultivated fertilizers for slow releaseInfo
- Publication number
- IL97633A IL97633A IL9763391A IL9763391A IL97633A IL 97633 A IL97633 A IL 97633A IL 9763391 A IL9763391 A IL 9763391A IL 9763391 A IL9763391 A IL 9763391A IL 97633 A IL97633 A IL 97633A
- Authority
- IL
- Israel
- Prior art keywords
- coating
- latex
- latex composition
- coated
- weight
- Prior art date
Links
- 239000003337 fertilizer Substances 0.000 title claims description 125
- 239000004816 latex Substances 0.000 claims abstract description 112
- 229920000126 latex Polymers 0.000 claims abstract description 112
- 238000000576 coating method Methods 0.000 claims abstract description 94
- 239000011248 coating agent Substances 0.000 claims abstract description 74
- 239000000203 mixture Substances 0.000 claims abstract description 62
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000011162 core material Substances 0.000 claims abstract description 40
- 238000000034 method Methods 0.000 claims abstract description 39
- 230000008569 process Effects 0.000 claims abstract description 29
- 229920001328 Polyvinylidene chloride Polymers 0.000 claims abstract description 5
- 239000005033 polyvinylidene chloride Substances 0.000 claims abstract description 5
- 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 claims description 26
- 239000007787 solid Substances 0.000 claims description 26
- 239000008187 granular material Substances 0.000 claims description 23
- 238000013270 controlled release Methods 0.000 claims description 22
- 238000005507 spraying Methods 0.000 claims description 21
- 230000009477 glass transition Effects 0.000 claims description 19
- 230000000903 blocking effect Effects 0.000 claims description 17
- 229920001577 copolymer Polymers 0.000 claims description 16
- 239000002245 particle Substances 0.000 claims description 13
- 239000011734 sodium Substances 0.000 claims description 12
- 229910052708 sodium Inorganic materials 0.000 claims description 12
- 230000015556 catabolic process Effects 0.000 claims description 10
- 239000000178 monomer Substances 0.000 claims description 10
- -1 alkyl sulfonic acid esters Chemical class 0.000 claims description 9
- 239000007921 spray Substances 0.000 claims description 9
- 238000005054 agglomeration Methods 0.000 claims description 8
- 230000002776 aggregation Effects 0.000 claims description 8
- 239000003945 anionic surfactant Substances 0.000 claims description 8
- 159000000000 sodium salts Chemical class 0.000 claims description 8
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 7
- 239000002736 nonionic surfactant Substances 0.000 claims description 6
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical class COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 claims description 5
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical class COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical class OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 4
- 229940045714 alkyl sulfonate alkylating agent Drugs 0.000 claims description 4
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 4
- 239000000194 fatty acid Substances 0.000 claims description 4
- 229930195729 fatty acid Natural products 0.000 claims description 4
- 150000003871 sulfonates Chemical class 0.000 claims description 4
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 3
- 229920001986 Vinylidene chloride-vinyl chloride copolymer Polymers 0.000 claims description 3
- 150000008360 acrylonitriles Chemical class 0.000 claims description 3
- 150000005215 alkyl ethers Chemical class 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 150000002170 ethers Chemical class 0.000 claims description 3
- 241001465754 Metazoa Species 0.000 claims description 2
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 claims description 2
- 239000000417 fungicide Substances 0.000 claims description 2
- 239000003630 growth substance Substances 0.000 claims description 2
- 239000004009 herbicide Substances 0.000 claims description 2
- 239000000077 insect repellent Substances 0.000 claims description 2
- 239000002917 insecticide Substances 0.000 claims description 2
- APVPOHHVBBYQAV-UHFFFAOYSA-N n-(4-aminophenyl)sulfonyloctadecanamide Chemical class CCCCCCCCCCCCCCCCCC(=O)NS(=O)(=O)C1=CC=C(N)C=C1 APVPOHHVBBYQAV-UHFFFAOYSA-N 0.000 claims description 2
- 239000000575 pesticide Substances 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims description 2
- 239000001384 succinic acid Substances 0.000 claims description 2
- 239000004094 surface-active agent Substances 0.000 claims description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims 2
- 125000005907 alkyl ester group Chemical group 0.000 claims 1
- 125000000217 alkyl group Chemical class 0.000 claims 1
- 239000007771 core particle Substances 0.000 claims 1
- 125000002573 ethenylidene group Chemical group [*]=C=C([H])[H] 0.000 claims 1
- 150000004665 fatty acids Chemical class 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 239000000047 product Substances 0.000 description 47
- 229920000642 polymer Polymers 0.000 description 33
- 239000002904 solvent Substances 0.000 description 25
- 239000003570 air Substances 0.000 description 24
- 235000015097 nutrients Nutrition 0.000 description 24
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 23
- 239000004202 carbamide Substances 0.000 description 23
- 238000001035 drying Methods 0.000 description 21
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 14
- 239000011593 sulfur Substances 0.000 description 14
- 229910052717 sulfur Inorganic materials 0.000 description 14
- 238000004090 dissolution Methods 0.000 description 12
- 230000004888 barrier function Effects 0.000 description 11
- 238000001816 cooling Methods 0.000 description 9
- 239000012530 fluid Substances 0.000 description 9
- 239000003960 organic solvent Substances 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 239000000470 constituent Substances 0.000 description 6
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 6
- 239000012080 ambient air Substances 0.000 description 5
- 238000009792 diffusion process Methods 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 5
- 238000005243 fluidization Methods 0.000 description 5
- 230000036541 health Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000011084 recovery Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000005538 encapsulation Methods 0.000 description 4
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 229920006385 Geon Polymers 0.000 description 3
- 230000001186 cumulative effect Effects 0.000 description 3
- 230000002209 hydrophobic effect Effects 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 229920006254 polymer film Polymers 0.000 description 3
- 235000010333 potassium nitrate Nutrition 0.000 description 3
- 239000004323 potassium nitrate Substances 0.000 description 3
- 229910052939 potassium sulfate Inorganic materials 0.000 description 3
- 235000011151 potassium sulphates Nutrition 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 230000002459 sustained effect Effects 0.000 description 3
- 239000004115 Sodium Silicate Substances 0.000 description 2
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical group ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 2
- 125000000129 anionic group Chemical group 0.000 description 2
- 238000011021 bench scale process Methods 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 239000008393 encapsulating agent Substances 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000007888 film coating Substances 0.000 description 2
- 238000009501 film coating Methods 0.000 description 2
- 239000000383 hazardous chemical Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 229920005597 polymer membrane Polymers 0.000 description 2
- 238000004382 potting Methods 0.000 description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 2
- 229910052911 sodium silicate Inorganic materials 0.000 description 2
- 238000013268 sustained release Methods 0.000 description 2
- 239000012730 sustained-release form Substances 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical group C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Chemical group 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- AILYVBNAYCPJBT-UHFFFAOYSA-N butyl prop-2-enoate;1,1-dichloroethene Chemical compound ClC(Cl)=C.CCCCOC(=O)C=C AILYVBNAYCPJBT-UHFFFAOYSA-N 0.000 description 1
- SUTDOJCAIJLRSC-UHFFFAOYSA-N butyl prop-2-enoate;hydrochloride Chemical compound Cl.CCCCOC(=O)C=C SUTDOJCAIJLRSC-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- DHZSIQDUYCWNSB-UHFFFAOYSA-N chloroethene;1,1-dichloroethene Chemical compound ClC=C.ClC(Cl)=C DHZSIQDUYCWNSB-UHFFFAOYSA-N 0.000 description 1
- 238000004581 coalescence Methods 0.000 description 1
- 239000007931 coated granule Substances 0.000 description 1
- 238000013034 coating degradation Methods 0.000 description 1
- 238000001246 colloidal dispersion Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000007720 emulsion polymerization reaction Methods 0.000 description 1
- 239000004487 encapsulated granule Substances 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 229920006158 high molecular weight polymer Polymers 0.000 description 1
- 238000007602 hot air drying Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000010338 mechanical breakdown Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 235000021049 nutrient content Nutrition 0.000 description 1
- 239000002897 polymer film coating Substances 0.000 description 1
- 229920000131 polyvinylidene Polymers 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000009790 rate-determining step (RDS) Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 150000003459 sulfonic acid esters Chemical class 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Classifications
-
- 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
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Fertilizers (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Sink And Installation For Waste Water (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/497,442 US5089041A (en) | 1990-03-22 | 1990-03-22 | Encapsulated slow release fertilizers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL97633A0 IL97633A0 (en) | 1992-06-21 |
| IL97633A true IL97633A (en) | 1994-10-07 |
Family
ID=23976893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL9763391A IL97633A (en) | 1990-03-22 | 1991-03-21 | Cultivated fertilizers for slow release |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US5089041A (de) |
| EP (1) | EP0523098B1 (de) |
| JP (1) | JP3171254B2 (de) |
| AT (1) | ATE126788T1 (de) |
| AU (1) | AU645307B2 (de) |
| CA (1) | CA2078695C (de) |
| DE (1) | DE69112393T2 (de) |
| DK (1) | DK0523098T3 (de) |
| ES (1) | ES2079649T3 (de) |
| IL (1) | IL97633A (de) |
| WO (1) | WO1991014663A1 (de) |
Families Citing this family (45)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5652196A (en) * | 1991-07-22 | 1997-07-29 | Oms Investments, Inc. | Timed release of water-soluble plant nutrients |
| US5211985A (en) * | 1991-10-09 | 1993-05-18 | Ici Canada, Inc. | Multi-stage process for continuous coating of fertilizer particles |
| US5567221A (en) * | 1995-01-03 | 1996-10-22 | Oms Investments, Inc. | Compositions and methods for use in aquaculture |
| US5750130A (en) * | 1995-02-07 | 1998-05-12 | Ferrell; Paul | Presticide compositions |
| US5772721A (en) * | 1995-11-21 | 1998-06-30 | Kazemzadeh; Massoud | Process for producing odorless organic and semi-organic fertilizer |
| US5741433A (en) * | 1996-06-21 | 1998-04-21 | Betzdearborn Inc. | Controlled release supplemental coolant additive |
| CN1193966C (zh) * | 1998-05-05 | 2005-03-23 | Oms投资公司 | 受控释放的肥料组合物和它们的制备方法 |
| TWI243013B (en) * | 1998-05-08 | 2005-11-11 | Sumitomo Chemical Co | Aqueous suspension formulation of encapsulated pesticide |
| US5993505A (en) * | 1998-05-22 | 1999-11-30 | Oms Investments, Inc. | Controlled release fertilizer compositions and processes for the preparation thereof |
| US6039781A (en) * | 1998-06-09 | 2000-03-21 | Oms Investments, Inc. | Precoated controlled release fertilizers and processes for their preparation |
| US6139597A (en) * | 1998-10-14 | 2000-10-31 | Oms Investments, Inc. | Controlled release fertilizer compositions and processes for the preparation thereof |
| JP4642238B2 (ja) * | 1998-12-14 | 2011-03-02 | ジェイカムアグリ株式会社 | 被覆生物活性粒状物 |
| US6860241B2 (en) | 1999-06-16 | 2005-03-01 | Dober Chemical Corp. | Fuel filter including slow release additive |
| US6607694B1 (en) | 2000-03-31 | 2003-08-19 | Dober Chemical Corp. | Controlled release coolant additive composition |
| US20030122104A1 (en) * | 2001-02-12 | 2003-07-03 | Dober Chemical Corporation | Liquid replacement systems |
| US6878309B2 (en) * | 2001-02-12 | 2005-04-12 | Dober Chemical Corp. | Controlled release cooling additive composition |
| US6749660B2 (en) * | 2001-06-04 | 2004-06-15 | Geovation Technologies, Inc. | Solid-chemical composition and method of preparation for the anaerobic bioremediation of environmental contaminants coupled to denitrification |
| US7001531B2 (en) | 2001-08-24 | 2006-02-21 | Dober Chemical Corp. | Sustained release coolant additive composition |
| US6827750B2 (en) | 2001-08-24 | 2004-12-07 | Dober Chemical Corp | Controlled release additives in fuel systems |
| US7938277B2 (en) * | 2001-08-24 | 2011-05-10 | Dober Chemical Corporation | Controlled release of microbiocides |
| US6835218B1 (en) | 2001-08-24 | 2004-12-28 | Dober Chemical Corp. | Fuel additive compositions |
| GB2396311B (en) * | 2001-08-24 | 2005-11-30 | Dober Chemical Corp | Controlled release of additives in cooling systems |
| WO2003018163A1 (en) * | 2001-08-24 | 2003-03-06 | Dober Chemical Corporation | Controlled release of additives in fluid systems |
| RU2206552C1 (ru) * | 2001-12-21 | 2003-06-20 | Лимбах Иван Юрьевич | Комплексное стеклянное удобрение пролонгированного действия и способ его получения |
| US6787234B2 (en) * | 2002-05-15 | 2004-09-07 | Oms Investments, Inc. | Triggered start products and processes for the production and use thereof |
| EP1454528A1 (de) * | 2003-03-07 | 2004-09-08 | Syngenta Participations AG | Pestizid-Zusammensetzung und Vefahren zur Herstellung von überzogenen festen Pestiziden |
| US7682656B2 (en) * | 2004-06-14 | 2010-03-23 | Agruim Inc. | Process and apparatus for producing a coated product |
| CN101068628B (zh) * | 2004-11-30 | 2012-04-25 | 爱禾瑞公司 | 在旋转辊筒中包覆控释产品的方法和装置 |
| US7563368B2 (en) | 2006-12-12 | 2009-07-21 | Cummins Filtration Ip Inc. | Filtration device with releasable additive |
| US7883638B2 (en) | 2008-05-27 | 2011-02-08 | Dober Chemical Corporation | Controlled release cooling additive compositions |
| US20090294379A1 (en) * | 2008-05-27 | 2009-12-03 | Dober Chemical Corporation | Controlled release of additive compositions |
| US20090304868A1 (en) * | 2008-05-27 | 2009-12-10 | Dober Chemical Corporation | Controlled release cooling additive composition |
| US8702995B2 (en) * | 2008-05-27 | 2014-04-22 | Dober Chemical Corp. | Controlled release of microbiocides |
| US8591747B2 (en) * | 2008-05-27 | 2013-11-26 | Dober Chemical Corp. | Devices and methods for controlled release of additive compositions |
| FR2943219B1 (fr) * | 2009-03-20 | 2012-05-18 | Polytek Innovations | Produit a usage agricole et son procede de fabrication |
| CN103889217A (zh) * | 2011-08-25 | 2014-06-25 | 陶氏益农公司 | 在有害生物防治区域中具有增强的活性成分保持力的农药组合物 |
| WO2013090287A1 (en) | 2011-12-12 | 2013-06-20 | Koch Agronomic Services, Llc | Conditioned urea-based granular fertilizers and methods of making thereof |
| EP3212592A1 (de) | 2014-10-31 | 2017-09-06 | Koch Agronomic Services, LLC | Nitrifikationshemmerzusammensetzungen und verfahren zur herstellung davon |
| CN109311773A (zh) * | 2016-03-23 | 2019-02-05 | 先锋国际良种公司 | 用于提高作物产量的农业系统、组合物和方法 |
| IL247302B (en) | 2016-08-16 | 2019-03-31 | Technion Res & Dev Foundation | Systems for releasing materials based on polymer emulsions |
| WO2019153081A1 (en) | 2018-02-09 | 2019-08-15 | Rynan Technologies Pte Ltd | Smart release nitrogen-containing fertilizer granules |
| US11591275B2 (en) | 2018-02-09 | 2023-02-28 | Rynan Technologies Pte Ltd | Smart release potash fertilizer granules |
| MX2021005124A (es) | 2018-11-01 | 2021-06-15 | Du Pont | Sistemas y metodos para la fabricacion de nucleos agricolas de liberacion controlada. |
| JP7369199B2 (ja) * | 2019-02-28 | 2023-10-25 | ダウ グローバル テクノロジーズ エルエルシー | 農業用種子のための流動性濃縮組成物 |
| CN113429243A (zh) * | 2021-07-19 | 2021-09-24 | 成都师范学院 | 一种多功能缓释肥料的制备方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3992558A (en) * | 1974-05-10 | 1976-11-16 | Raychem Corporation | Process of coating particles of less than 20 microns with a polymer coating |
| US4198782A (en) * | 1976-09-10 | 1980-04-22 | Herculite Protective Fabrics Corporation | Control of agricultural pests by controlled release particles |
| JPS6054984B2 (ja) * | 1981-02-24 | 1985-12-03 | 旭化成株式会社 | 塩化ビニリデン系共重合体ラテツクス |
| US4759956A (en) * | 1987-05-22 | 1988-07-26 | Lever Brothers Company | Process for encapsulating particles using polymer latex |
| DE68907432T2 (de) * | 1988-04-06 | 1993-10-14 | Sumitomo Chemical Co | Beschichtete granulierte Düngemittelzusammensetzung und ihre Herstellung. |
| US5293214A (en) * | 1991-12-06 | 1994-03-08 | Hughes Aircraft Company | Apparatus and method for performing thin film layer thickness metrology by deforming a thin film layer into a reflective condenser |
-
1990
- 1990-03-22 US US07/497,442 patent/US5089041A/en not_active Expired - Lifetime
-
1991
- 1991-03-21 IL IL9763391A patent/IL97633A/en not_active IP Right Cessation
- 1991-03-22 ES ES91906809T patent/ES2079649T3/es not_active Expired - Lifetime
- 1991-03-22 WO PCT/US1991/001950 patent/WO1991014663A1/en not_active Ceased
- 1991-03-22 DK DK91906809.8T patent/DK0523098T3/da active
- 1991-03-22 DE DE69112393T patent/DE69112393T2/de not_active Expired - Lifetime
- 1991-03-22 CA CA002078695A patent/CA2078695C/en not_active Expired - Lifetime
- 1991-03-22 AT AT91906809T patent/ATE126788T1/de not_active IP Right Cessation
- 1991-03-22 JP JP50732591A patent/JP3171254B2/ja not_active Expired - Fee Related
- 1991-03-22 EP EP91906809A patent/EP0523098B1/de not_active Expired - Lifetime
- 1991-03-22 AU AU75524/91A patent/AU645307B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE69112393T2 (de) | 1996-03-21 |
| WO1991014663A1 (en) | 1991-10-03 |
| CA2078695C (en) | 2001-12-18 |
| DK0523098T3 (da) | 1996-01-08 |
| DE69112393D1 (de) | 1995-09-28 |
| AU645307B2 (en) | 1994-01-13 |
| EP0523098B1 (de) | 1995-08-23 |
| IL97633A0 (en) | 1992-06-21 |
| EP0523098A1 (de) | 1993-01-20 |
| EP0523098A4 (en) | 1993-08-18 |
| ATE126788T1 (de) | 1995-09-15 |
| AU7552491A (en) | 1991-10-21 |
| CA2078695A1 (en) | 1991-09-23 |
| ES2079649T3 (es) | 1996-01-16 |
| JP3171254B2 (ja) | 2001-05-28 |
| US5089041A (en) | 1992-02-18 |
| JPH05505789A (ja) | 1993-08-26 |
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