CN1414033A - 纳米粘土-聚酯混聚物肥料包膜胶结剂生产技术 - Google Patents
纳米粘土-聚酯混聚物肥料包膜胶结剂生产技术 Download PDFInfo
- Publication number
- CN1414033A CN1414033A CN 02126009 CN02126009A CN1414033A CN 1414033 A CN1414033 A CN 1414033A CN 02126009 CN02126009 CN 02126009 CN 02126009 A CN02126009 A CN 02126009A CN 1414033 A CN1414033 A CN 1414033A
- Authority
- CN
- China
- Prior art keywords
- clay
- polyester
- nano
- nano level
- aqueous solution
- 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.)
- Granted
Links
- 239000003337 fertilizer Substances 0.000 title claims abstract description 27
- 229920000728 polyester Polymers 0.000 title claims abstract description 22
- 229920000642 polymer Polymers 0.000 title claims abstract description 18
- 239000011248 coating agent Substances 0.000 title claims abstract description 17
- 238000000576 coating method Methods 0.000 title claims abstract description 17
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 10
- 238000005516 engineering process Methods 0.000 title claims description 8
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000002689 soil Substances 0.000 claims abstract description 12
- 239000004927 clay Substances 0.000 claims description 25
- 239000007864 aqueous solution Substances 0.000 claims description 18
- 229920006305 unsaturated polyester Polymers 0.000 claims description 16
- 239000013078 crystal Substances 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 13
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 12
- 239000011707 mineral Substances 0.000 claims description 12
- 239000005995 Aluminium silicate Substances 0.000 claims description 11
- 235000012211 aluminium silicate Nutrition 0.000 claims description 11
- 150000001875 compounds Chemical class 0.000 claims description 11
- 239000000725 suspension Substances 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 10
- 239000000243 solution Substances 0.000 claims description 10
- 239000002734 clay mineral Substances 0.000 claims description 9
- 238000002360 preparation method Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 150000002148 esters Chemical class 0.000 claims description 5
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 claims description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M potassium hydroxide Substances [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 4
- 239000004576 sand Substances 0.000 claims description 4
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 claims description 4
- 238000013019 agitation Methods 0.000 claims description 3
- 239000006185 dispersion Substances 0.000 claims description 3
- 239000000839 emulsion Substances 0.000 claims description 3
- 239000003607 modifier Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 240000007594 Oryza sativa Species 0.000 claims description 2
- 235000007164 Oryza sativa Nutrition 0.000 claims description 2
- 241000237502 Ostreidae Species 0.000 claims description 2
- 241000209140 Triticum Species 0.000 claims description 2
- 235000021307 Triticum Nutrition 0.000 claims description 2
- 240000008042 Zea mays Species 0.000 claims description 2
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 claims description 2
- 235000002017 Zea mays subsp mays Nutrition 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims description 2
- 235000005822 corn Nutrition 0.000 claims description 2
- 235000021384 green leafy vegetables Nutrition 0.000 claims description 2
- 229910021432 inorganic complex Inorganic materials 0.000 claims description 2
- 239000004530 micro-emulsion Substances 0.000 claims description 2
- 239000008267 milk Substances 0.000 claims description 2
- 235000013336 milk Nutrition 0.000 claims description 2
- 210000004080 milk Anatomy 0.000 claims description 2
- 235000020636 oyster Nutrition 0.000 claims description 2
- 235000009566 rice Nutrition 0.000 claims description 2
- 239000002002 slurry Substances 0.000 claims description 2
- 229920002994 synthetic fiber Polymers 0.000 claims description 2
- 229920006337 unsaturated polyester resin Polymers 0.000 claims description 2
- 235000013311 vegetables Nutrition 0.000 claims description 2
- 238000005303 weighing Methods 0.000 claims description 2
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 abstract description 4
- 150000002500 ions Chemical class 0.000 abstract description 4
- 229910052622 kaolinite Inorganic materials 0.000 abstract description 4
- 229910052901 montmorillonite Inorganic materials 0.000 abstract description 4
- 230000000887 hydrating effect Effects 0.000 abstract 1
- 238000010008 shearing Methods 0.000 abstract 1
- 235000010755 mineral Nutrition 0.000 description 11
- 239000010410 layer Substances 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- 239000002114 nanocomposite Substances 0.000 description 5
- 229920002292 Nylon 6 Polymers 0.000 description 4
- 239000000178 monomer Substances 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 238000010790 dilution Methods 0.000 description 3
- 239000012895 dilution Substances 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 229910052700 potassium Inorganic materials 0.000 description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- 229960000892 attapulgite Drugs 0.000 description 2
- 239000004202 carbamide Substances 0.000 description 2
- 210000003608 fece Anatomy 0.000 description 2
- 238000005469 granulation Methods 0.000 description 2
- 230000003179 granulation Effects 0.000 description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 2
- 229910010272 inorganic material Inorganic materials 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 239000010871 livestock manure Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 235000021049 nutrient content Nutrition 0.000 description 2
- 229910052625 palygorskite Inorganic materials 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- KMOUUZVZFBCRAM-OLQVQODUSA-N (3as,7ar)-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione Chemical compound C1C=CC[C@@H]2C(=O)OC(=O)[C@@H]21 KMOUUZVZFBCRAM-OLQVQODUSA-N 0.000 description 1
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 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 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 229920013649 Paracril Polymers 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 238000012644 addition polymerization Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000010433 feldspar Substances 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000002687 intercalation Effects 0.000 description 1
- 238000009830 intercalation Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 239000012802 nanoclay Substances 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 238000011020 pilot scale process Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 229940072033 potash Drugs 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 1
- 235000015320 potassium carbonate Nutrition 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 230000002522 swelling effect Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- JSPLKZUTYZBBKA-UHFFFAOYSA-N trioxidane Chemical compound OOO JSPLKZUTYZBBKA-UHFFFAOYSA-N 0.000 description 1
- 238000007601 warm air drying Methods 0.000 description 1
Landscapes
- Fertilizers (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB021260095A CN1171948C (zh) | 2002-08-09 | 2002-08-09 | 纳米粘土-聚酯混聚物肥料包膜胶结剂生产技术 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB021260095A CN1171948C (zh) | 2002-08-09 | 2002-08-09 | 纳米粘土-聚酯混聚物肥料包膜胶结剂生产技术 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1414033A true CN1414033A (zh) | 2003-04-30 |
CN1171948C CN1171948C (zh) | 2004-10-20 |
Family
ID=4745716
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB021260095A Expired - Fee Related CN1171948C (zh) | 2002-08-09 | 2002-08-09 | 纳米粘土-聚酯混聚物肥料包膜胶结剂生产技术 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN1171948C (zh) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100554329C (zh) * | 2004-11-22 | 2009-10-28 | 中国农业科学院土壤肥料研究所 | 纳米-亚微米级聚乙烯醇混聚物肥料胶结包膜剂生产方法 |
CN102180731A (zh) * | 2011-02-16 | 2011-09-14 | 成都正光投资集团有限公司 | 一种以纳米材料为载体的聚合物乳液包覆缓释肥及其制备方法 |
CN101367688B (zh) * | 2008-09-25 | 2011-10-19 | 中国农业大学 | 一种黄瓜控释保水育苗培养基及其制备方法 |
CN102603408A (zh) * | 2012-03-28 | 2012-07-25 | 常熟市南洋化肥有限公司 | 一种纳米蒙皂石粘土有机复合肥 |
CN102603409A (zh) * | 2012-03-28 | 2012-07-25 | 常熟市南洋化肥有限公司 | 一种促进油麦菜增产的复合肥 |
CN102612956A (zh) * | 2012-03-28 | 2012-08-01 | 常熟市南洋化肥有限公司 | 一种纳米复合肥在促进油麦菜增产的方法 |
CN102617233A (zh) * | 2012-03-28 | 2012-08-01 | 常熟市南洋化肥有限公司 | 一种纳米蒙皂石粘土复合肥 |
CN103168640A (zh) * | 2012-04-27 | 2013-06-26 | 北京仁创科技集团有限公司 | 一种营养种植砂及砂种植结构 |
CN103773378A (zh) * | 2014-01-21 | 2014-05-07 | 中国农业科学院农业资源与农业区划研究所 | 一种悬浮态土壤调理剂及其制备方法 |
CN103951508A (zh) * | 2014-04-26 | 2014-07-30 | 上高县泽达生态科技有机农业开发有限公司 | 分子网纳米包膜高效缓释有机肥及其生产工艺 |
CN104291933A (zh) * | 2014-09-15 | 2015-01-21 | 武汉中农国际贸易有限公司 | 茄果类蔬菜专用肥 |
CN108779388A (zh) * | 2016-03-22 | 2018-11-09 | 沙特阿拉伯石油公司 | 纳米粘土钻井液的原位生成 |
-
2002
- 2002-08-09 CN CNB021260095A patent/CN1171948C/zh not_active Expired - Fee Related
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100554329C (zh) * | 2004-11-22 | 2009-10-28 | 中国农业科学院土壤肥料研究所 | 纳米-亚微米级聚乙烯醇混聚物肥料胶结包膜剂生产方法 |
CN101367688B (zh) * | 2008-09-25 | 2011-10-19 | 中国农业大学 | 一种黄瓜控释保水育苗培养基及其制备方法 |
CN102180731A (zh) * | 2011-02-16 | 2011-09-14 | 成都正光投资集团有限公司 | 一种以纳米材料为载体的聚合物乳液包覆缓释肥及其制备方法 |
CN102180731B (zh) * | 2011-02-16 | 2013-07-17 | 成都正光投资集团有限公司 | 一种以纳米材料为载体的聚合物乳液包覆缓释肥及其制备方法 |
CN102603409A (zh) * | 2012-03-28 | 2012-07-25 | 常熟市南洋化肥有限公司 | 一种促进油麦菜增产的复合肥 |
CN102612956A (zh) * | 2012-03-28 | 2012-08-01 | 常熟市南洋化肥有限公司 | 一种纳米复合肥在促进油麦菜增产的方法 |
CN102617233A (zh) * | 2012-03-28 | 2012-08-01 | 常熟市南洋化肥有限公司 | 一种纳米蒙皂石粘土复合肥 |
CN102603408A (zh) * | 2012-03-28 | 2012-07-25 | 常熟市南洋化肥有限公司 | 一种纳米蒙皂石粘土有机复合肥 |
CN102612956B (zh) * | 2012-03-28 | 2013-12-11 | 太仓市临江农场专业合作社 | 一种纳米复合肥在促进油麦菜增产的方法 |
CN103168640A (zh) * | 2012-04-27 | 2013-06-26 | 北京仁创科技集团有限公司 | 一种营养种植砂及砂种植结构 |
CN103168640B (zh) * | 2012-04-27 | 2015-09-16 | 北京仁创科技集团有限公司 | 一种营养种植砂及砂种植结构 |
CN103773378A (zh) * | 2014-01-21 | 2014-05-07 | 中国农业科学院农业资源与农业区划研究所 | 一种悬浮态土壤调理剂及其制备方法 |
CN103773378B (zh) * | 2014-01-21 | 2016-03-30 | 中国农业科学院农业资源与农业区划研究所 | 一种悬浮态土壤调理剂及其制备方法 |
CN103951508A (zh) * | 2014-04-26 | 2014-07-30 | 上高县泽达生态科技有机农业开发有限公司 | 分子网纳米包膜高效缓释有机肥及其生产工艺 |
CN104291933A (zh) * | 2014-09-15 | 2015-01-21 | 武汉中农国际贸易有限公司 | 茄果类蔬菜专用肥 |
CN108779388A (zh) * | 2016-03-22 | 2018-11-09 | 沙特阿拉伯石油公司 | 纳米粘土钻井液的原位生成 |
Also Published As
Publication number | Publication date |
---|---|
CN1171948C (zh) | 2004-10-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1171948C (zh) | 纳米粘土-聚酯混聚物肥料包膜胶结剂生产技术 | |
US11021394B2 (en) | Coated fibers for enhanced concrete structural reinforcement | |
AU672528B2 (en) | Method of improving the contaminant resistance of a smectite clay by rewetting and impregnating the clay with a water-soluble polymer, and redrying the polymer-impregnated clay | |
CN103011959B (zh) | 颗粒状肥料用粘结剂及其制备方法 | |
CN103030908A (zh) | 一种聚乙烯醇/无机纳米复合水凝胶及其制备方法 | |
CN106927951A (zh) | 基于水分散纳米SiO2改性的水基聚丙烯酸酯包膜控释肥料及其制备方法 | |
CN110127781B (zh) | 一种改性氧化石墨烯复合材料、制备方法及应用 | |
US20060117655A1 (en) | Agglomerated volcanic ash | |
CN113277815A (zh) | 一种用于生态种植的淤泥固化剂及其制备方法 | |
CN110358328A (zh) | 纳米级活性碳酸钙及其加工方法 | |
CN115181575A (zh) | 一种功能型保水剂 | |
CN114213072B (zh) | 高含水率淤泥质渣土制备路基填料的处理工艺及路基填料 | |
CN1239627C (zh) | 纳米级腐殖酸类混聚物生产技术及农用 | |
CN102786732B (zh) | 一种利用造纸废料白泥生产塑料填充母料的方法 | |
CN1164531C (zh) | 纳米级磺化木质素混聚物肥料包膜胶结剂生产方法 | |
CN106565301A (zh) | 可降解矿物肥料保水剂及其制备方法 | |
CN107557410A (zh) | 酶解预处理协同酸法制备低直链淀粉纳米晶的方法 | |
CN1390812A (zh) | 有机复混肥料造粒粘结剂及其生产方法 | |
JP2005131595A (ja) | 汚泥固化用組成物および汚泥の固化方法 | |
CN1234658C (zh) | 一种包膜控释复合肥料的制备方法 | |
CN105969377A (zh) | 一种黏质土壤改良剂 | |
CN1654569A (zh) | 新型砂壁状涂料 | |
JP4261707B2 (ja) | ボーリング廃泥水の処理方法 | |
CN1327029A (zh) | 一种扼制扬尘、扬沙、沙尘暴沙尘扬起的雾化剂及其制法 | |
JPH11315280A (ja) | 脱水ケーキの再利用による植生土の製造法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C57 | Notification of unclear or unknown address | ||
DD01 | Delivery of document by public notice |
Addressee: Zhang Fudao Document name: Notification that Application Deemed not to be Proposed |
|
ASS | Succession or assignment of patent right |
Owner name: YINTAI WUZHOU SHIDEFU FERTILIZER CO., LTD. ADDRES Free format text: FORMER OWNER: ZHANG FUDAO ADDRESS Effective date: 20081128 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20081128 Address after: No. 145 North Main Street, Zhifu District, Shandong, Yantai Patentee after: Yantai Wuzhou Shifeidefu Fertilizer Co., Ltd. Address before: Room 4, building 12, 206 South Main Street, Beijing, Zhongguancun Patentee before: Zhang Fudao |
|
ASS | Succession or assignment of patent right |
Owner name: YINTAI WUZHOU SHIDEFU FERTILIZER CO., LTD. Free format text: FORMER OWNER: ZHANG FUDAO Effective date: 20081128 |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20041020 Termination date: 20110809 |