CN1319445C - Herbicide composition - Google Patents
Herbicide composition Download PDFInfo
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- CN1319445C CN1319445C CNB2003101049252A CN200310104925A CN1319445C CN 1319445 C CN1319445 C CN 1319445C CN B2003101049252 A CNB2003101049252 A CN B2003101049252A CN 200310104925 A CN200310104925 A CN 200310104925A CN 1319445 C CN1319445 C CN 1319445C
- Authority
- CN
- China
- Prior art keywords
- composition
- chlorine
- sulphur humulone
- weight
- weeds
- 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 - Lifetime
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- 239000000203 mixture Substances 0.000 title claims abstract description 28
- 230000002363 herbicidal effect Effects 0.000 title claims abstract description 19
- 239000004009 herbicide Substances 0.000 title abstract description 12
- 241000196324 Embryophyta Species 0.000 claims abstract description 25
- 239000000843 powder Substances 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000000375 suspending agent Substances 0.000 claims abstract description 5
- 239000008187 granular material Substances 0.000 claims abstract description 4
- 239000000969 carrier Substances 0.000 claims abstract description 3
- 239000006185 dispersion Substances 0.000 claims abstract description 3
- 239000000839 emulsion Substances 0.000 claims abstract description 3
- RMFGNMMNUZWCRZ-UHFFFAOYSA-N Humulone Natural products CC(C)CC(=O)C1=C(O)C(O)(CC=C(C)C)C(O)=C(CC=C(C)C)C1=O RMFGNMMNUZWCRZ-UHFFFAOYSA-N 0.000 claims description 24
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 24
- 239000005864 Sulphur Substances 0.000 claims description 24
- VMSLCPKYRPDHLN-NRFANRHFSA-N humulone Chemical compound CC(C)CC(=O)C1=C(O)C(CC=C(C)C)=C(O)[C@@](O)(CC=C(C)C)C1=O VMSLCPKYRPDHLN-NRFANRHFSA-N 0.000 claims description 24
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 23
- 239000000460 chlorine Substances 0.000 claims description 23
- 229910052801 chlorine Inorganic materials 0.000 claims description 23
- 238000009736 wetting Methods 0.000 claims description 4
- 239000004094 surface-active agent Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 239000003814 drug Substances 0.000 abstract description 26
- 239000003795 chemical substances by application Substances 0.000 abstract description 4
- 229940079593 drug Drugs 0.000 abstract description 4
- WHKUVVPPKQRRBV-UHFFFAOYSA-N Trasan Chemical compound CC1=CC(Cl)=CC=C1OCC(O)=O WHKUVVPPKQRRBV-UHFFFAOYSA-N 0.000 abstract description 3
- 239000005618 Sulcotrione Substances 0.000 abstract description 2
- 239000012752 auxiliary agent Substances 0.000 abstract description 2
- PQTBTIFWAXVEPB-UHFFFAOYSA-N sulcotrione Chemical compound ClC1=CC(S(=O)(=O)C)=CC=C1C(=O)C1C(=O)CCCC1=O PQTBTIFWAXVEPB-UHFFFAOYSA-N 0.000 abstract description 2
- 239000004563 wettable powder Substances 0.000 abstract 1
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 9
- 240000008042 Zea mays Species 0.000 description 8
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 8
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 8
- 235000005822 corn Nutrition 0.000 description 8
- 239000005995 Aluminium silicate Substances 0.000 description 6
- 241000209140 Triticum Species 0.000 description 6
- 235000021307 Triticum Nutrition 0.000 description 6
- 235000012211 aluminium silicate Nutrition 0.000 description 6
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 6
- YDEXUEFDPVHGHE-GGMCWBHBSA-L disodium;(2r)-3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Na+].[Na+].COC1=CC=CC(C[C@H](CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O YDEXUEFDPVHGHE-GGMCWBHBSA-L 0.000 description 5
- 230000003449 preventive effect Effects 0.000 description 5
- 244000025254 Cannabis sativa Species 0.000 description 4
- YZHUMGUJCQRKBT-UHFFFAOYSA-M sodium chlorate Chemical compound [Na+].[O-]Cl(=O)=O YZHUMGUJCQRKBT-UHFFFAOYSA-M 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 244000058871 Echinochloa crus-galli Species 0.000 description 3
- 240000003461 Setaria viridis Species 0.000 description 3
- 235000002248 Setaria viridis Nutrition 0.000 description 3
- 235000010086 Setaria viridis var. viridis Nutrition 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- MXWJVTOOROXGIU-UHFFFAOYSA-N atrazine Chemical compound CCNC1=NC(Cl)=NC(NC(C)C)=N1 MXWJVTOOROXGIU-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 230000002195 synergetic effect Effects 0.000 description 3
- 235000016068 Berberis vulgaris Nutrition 0.000 description 2
- 241000335053 Beta vulgaris Species 0.000 description 2
- 244000068988 Glycine max Species 0.000 description 2
- 235000010469 Glycine max Nutrition 0.000 description 2
- 241000209510 Liliopsida Species 0.000 description 2
- 239000005574 MCPA Substances 0.000 description 2
- 239000005586 Nicosulfuron Substances 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 240000000111 Saccharum officinarum Species 0.000 description 2
- 235000007201 Saccharum officinarum Nutrition 0.000 description 2
- 241001251949 Xanthium sibiricum Species 0.000 description 2
- 240000003307 Zinnia violacea Species 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- RTCOGUMHFFWOJV-UHFFFAOYSA-N nicosulfuron Chemical compound COC1=CC(OC)=NC(NC(=O)NS(=O)(=O)C=2C(=CC=CN=2)C(=O)N(C)C)=N1 RTCOGUMHFFWOJV-UHFFFAOYSA-N 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 239000004562 water dispersible granule Substances 0.000 description 2
- 241000209504 Poaceae Species 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 230000003698 anagen phase Effects 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000003967 crop rotation Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 235000014347 soups Nutrition 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The present invention relates to a composition for preventing and removing farmland weeds. The active components include 30 parts by weight of sulcotrione and 1 to 30 parts by weight of methylchloro-phenoxyacetic acid. The composition also contains a proper quantity of auxiliary agents or carriers which can be made into aqueous agents, emulsifiable solution, suspending agents, aqueous emulsion, powder, soluble powder, wettable powder, granules or water dispersion granules. The herbicide composition can effectively prevent and remove monocotyledonous weeds and dicotyledonous weeds after seedling emergence; medication cost is saved, and the herbicide composition is safe for crops.
Description
Technical field
The invention belongs to the weed killer herbicide field.Relate to a kind of Herbicidal combinations that contains two kinds of active components of sulphur humulone.
Background technology
At present, corn field seedling post processing weed killer herbicide mainly contains nicosulfuron, 2 first, 4 chlorine and atrazine.It is fine that nicosulfuron is prevented and kill off behind the corn field seedling most of grassy weeds and part broad leaved weed effect, but very high at the Chinese market cost, every mu can reach 15～20 yuan.2 first, 4 chlorine are used to prevent and kill off broad leaved weed behind the corn field seedling, to monocotyledon weed as: barnyard grass grass, golden green foxtail etc. are invalid.Then there is the problem to the generation poisoning of succession crop in atrazine.
The sulphur humulone is a kind of ketone weed killer herbicide that is used to prevent and kill off corn, wheat, sugarcane field grass family and part broad leaved weed, postemergence application.Can be singly with, use with or continuous administration.Under normal crop rotation, to the equal safety of crops such as soybean, paddy rice, rape, wheat, beet, jowar, wheat.But resistance easily takes place in the use of single agent and agricultural cost is slightly high.
Summary of the invention
In order to overcome above-mentioned deficiency, provide a kind of broad weed-killing spectrum, cost is low and to the weed killer herbicide of crop safety, inventor of the present invention researchs and develops the mixture of sulphur humulone.Have now found that, contain the Herbicidal combinations of sulphur humulone and two kinds of active components of 2 first, 4 chlorine, in the certain proportion scope, multiple single, double cotyledon weeds are demonstrated the Synergistic herbicidal effect.
Herbicidal combinations of the present invention contains following two kinds of active components:
Sulphur humulone (Sulcotrione) chemical name: 2-(2-chloro-4 methylsulfonyl benzoyls) cyclohexane-1, the 3-diketone,
(C
14H
13CLO
5S)328.8
2 first, 4 chlorine (MCPA) chemical name: 2-methyl-4-chlorophenoxyacetic acid
(C
9H
9CLO
3)200.6
Active component is 0.5% to 95% of a gross weight in the Herbicidal combinations of the present invention.The amount that contains active component in the Herbicidal combinations of the present invention depends on the amount of application when every kind of component is used separately, also depends on the ratio of a kind of component and another kind of component and the degree of synergistic effect.
Weight proportion in the bactericidal composition of the present invention between two kinds of active components is:
Sulphur humulone: 2 first, 4 chlorine 30: 1～1: 30;
Suitable proportioning is:
Sulphur humulone: 2 first, 4 chlorine 10: 1～1: 10;
Further preferred proportioning is:
Sulphur humulone: 2 first, 4 chlorine 1: 6～2: 1.
Contain at least two kinds of carriers in the composition of the present invention, wherein at least a is surfactant.Also contain appropriate amount of addition agent in the composition, the selection of auxiliary agent and addition are known in those skilled in the art.According to conventional preparation method, composition of the present invention can be mixed with aqua, missible oil, suspending agent, aqueous emulsion, pulvis, soluble powder, wetting powder, granula or water dispersion granule.
The product that provides with above-mentioned finished product preparation form both had been provided composition of the present invention, also comprise the preparation that those only provide the composition that contains above-mentioned single active component, in bucket (jar), directly mix resulting product before use according to technical scheme of the present invention by the user.Concentrate of the present invention mixes the concentration that obtains required active substance usually with water.
Herbicidal combinations of the present invention has the following advantages:
(1) save drug cost: the composition that the present invention proposes has synergistic effect.Can disposablely prevent and kill off multiple single, double cotyledon weeds, weeds in the dispenser controlled crop whole growing have been saved drug cost greatly.
(2) enlarge grass spectrum extremely: 2 first, 4 chlorine are only effective to broadleaf weed, and are invalid to monocotyledon weed.Though and the sulphur humulone is all fine to single, double cotyledon weeds effect in the 2.5 leaf phases of weeds when following; But it is poor slightly to above the average age for marriage broadleaf weed effect.The two is used with and just in time remedies shortcoming mutually, gives full play to advantage.
(3) to working as stubble and succession crop safety: the composition that the present invention proposes is through verification experimental verification, not only to for example corn, wheat, sugarcane safety are good when the stubble crop, and after the medication 3 months, to the equal safety of crops such as the soybean of back stubble plantation, paddy rice, rape, wheat, beet, jowar, wheat.Therefore both interior weeds harm of controlled crop growth phase of this Herbicidal combinations does not influence succession crop again.Solved the use heterocycle herbicide (as; Atrazine etc.) change the problem of stubble difficulty after.
Embodiment
With lower part embodiment, in order to further specifying the present invention, but be not construed as limiting the invention.The adjustment of being carried out as the case may be during practical operation is interpreted as a part of the present invention with replenishing.Listed data are percetage by weight in the formulation examples.
Formulation Example:
Example 1 (aqua)
Sulphur humulone 15%, 2 first 4 chlorine 15%, dimethyl formamide 10%, OX-8005%, JFC 5%, and water complements to 100%, is made into 30% aqua.
Example 2 (aqua)
Sulphur humulone 20%, 2 first 4 chlorine 10%, dimethyl formamide 10%, OX-8005%, JFC 5%, and water complements to 100%, is made into 30% aqua.
Example 3 (missible oil)
Sulphur humulone 1%, 2 first 4 chlorine 30%, dimethyl formamide 5%, agricultural newborn 0203B 8%, NP-108%, dimethylbenzene complements to 100%, is made into 31% missible oil.
Example 4 (suspending agent)
Sulphur humulone 30%, 2 first 4 chlorine 1%, sodium lignin sulfonate 5%, kaolin 5%, water complements to 100%, is made into 31% suspending agent.
Example 5 (wetting powder)
Sulphur humulone 10%, 2 first 4 chlorine 25%, sodium lignin sulfonate 5%, kaolin complements to 100%, makes 35% wetting powder.
Example 6 (pulvis)
Sulphur humulone 5%, 2 first 4 chlorine 30%, white carbon 2%, kaolin complements to 100%, makes 35% pulvis.
Example 7 (soluble powder)
Sulphur humulone 30%, 2 first 4 chlorine 5%, sodium lignin sulfonate 10%, white carbon 5%, kaolin complements to 100%, makes 35% soluble powder.
Example 8 (water dispersible granules)
Sulphur humulone 5%, 2 first 4 chlorine 30%, sodium lignin sulfonate 15%, white carbon 5%, kaolin complements to 100%, makes 35% water dispersible granules.
Example 9 (granula)
Sulphur humulone 10%, 2 first 4 chlorine 25%, sodium lignin sulfonate 10%, kaolin complements to 100%, makes 35% granula.
Give birth to and survey embodiment:
(1) processing method: it is 100cm that quantitative crop (corn) and grassy weed (barnyard grass grass, golden green foxtail) and broad leaved weed (youth-and-old-age, Siberian cocklebur) seed are sowed at sectional area respectively
2The ceramic whiteware basin in, broadcast back earthing 1cm, cultivate according to a conventional method in the greenhouse behind suppression, the trickle.Treat that corn grows to 3.5 leaf phases, 2.5 leaf phases of grassy weed, 4 leaf phases of broad leaved weed,, carry out the cauline leaf spraying with crawler type sprayer (Britain Engineer Research Ltd. designs production) and handle that test repeats 3 times by experimental scheme dosage.
(2) test method: the examination material is handled and to be placed on handling hall, treat the soup natural air drying after, be put in management according to a conventional method in the greenhouse, routine observation also writes down the reaction of test plant to medicament.In the fresh weight preventive effect of outer reason investigation in back 30 days reagent agent, reach safety to crop to weeds.
Give birth to that test is tested and security survey the results are shown in Table 1 and table 2:
Table 1. composition of the present invention is to the weeds efficiency test
| Handle medicament | Consumption (gAI/ha) | Barnyard grass grass preventive effect % | Golden green foxtail preventive effect % | Youth-and-old-age preventive effect % | Siberian cocklebur preventive effect % | |
| Example 1 medicament | 750 | 92 | 95 | 100 | 98 | |
| Example 2 medicaments | 750 | 100 | 100 | 95 | 95 | |
| Example 3 medicaments | 750 | 80 | 85 | 85 | 100 | |
| Example 4 medicaments | 750 | 100 | 100 | 85 | 80 | |
| Example 5 medicaments | 750 | 90 | 92 | 85 | 95 | |
| Example 6 medicaments | 750 | 70 | 85 | 90 | 90 | |
| Example 7 medicaments | 750 | 75 | 80 | 90 | 100 | |
| Example 8 medicaments | 750 | 85 | 90 | 95 | 98 | |
| Example 9 medicaments | 750 | 85 | 87 | 90 | 90 | |
| The contrast medicament | The sulphur humulone | 750 | 100 | 87 | 100 | 58 |
| 2 first, 4 chlorine | 750 | 15 | 30 | 70 | 100 | |
Table 2. composition of the present invention is to the security survey result of corn
| Handle medicament | Consumption (gAI/ha) | Average fresh weight (g) | Average plant height (cm) |
| Example 1 medicament | 750 | 7.20 | 60.0 |
| Example 2 medicaments | 750 | 6.35 | 61.5 |
| Example 3 medicaments | 750 | 7.46 | 63.0 |
| Example 4 medicaments | 750 | 7.31 | 65.0 |
| Example 5 medicaments | 750 | 6.15 | 59.0 |
| Example 6 medicaments | 750 | 7.10 | 60.0 |
| Example 7 medicaments | 750 | 6.17 | 58.0 |
| Example 8 medicaments | 750 | 6.43 | 66.0 |
| Example 9 medicaments | 750 | 6.52 | 59.0 |
| The sulphur humulone | 750 | 6.75 | 63.0 |
| 2 first, 4 chlorine | 750 | 7.48 | 60.0 |
| CK | 6.13 | 60.3 |
Claims (8)
1. a Herbicidal combinations contains sulphur humulone and two kinds of active components of 2 first, 4 chlorine, and two components are the sulphur humulone based on the ratio of weight and number of active component: 2 first, 4 chlorine are 30: 1～1: 30.
2. according to the described composition of claim 1, it is characterized in that: two components are the sulphur humulone based on the ratio of weight and number of active component: 2 first, 4 chlorine are 10: 1～1: 10.
3. according to the described composition of claim 2, it is characterized in that: two components are the sulphur humulone based on the ratio of weight and number of active component: 2 first, 4 chlorine are 1: 6～2: 1.
4. according to claim 1,2 or 3 described compositions, it is characterized in that: the active component weight percentage is 0.5～95% in the composition.
5. composition according to claim 1 is characterized in that: contain at least two kinds of carriers in the composition, wherein at least a is surfactant.
6. composition according to claim 1 is characterized in that: said composition can be mixed with aqua, missible oil, suspending agent, aqueous emulsion, pulvis, soluble powder, wetting powder, granula or water dispersion granule.
7. the described composition of claim 1 is used to prevent and kill off the purposes of multiple single, double cotyledon weeds.
8. the method for an on-the-spot management of weeds is characterized in that: use Herbicidal combinations as claimed in claim 1 to the place of crop and growth thereof behind seedling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101049252A CN1319445C (en) | 2003-10-24 | 2003-10-24 | Herbicide composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101049252A CN1319445C (en) | 2003-10-24 | 2003-10-24 | Herbicide composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1608465A CN1608465A (en) | 2005-04-27 |
| CN1319445C true CN1319445C (en) | 2007-06-06 |
Family
ID=34757114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003101049252A Expired - Lifetime CN1319445C (en) | 2003-10-24 | 2003-10-24 | Herbicide composition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1319445C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102578091B (en) | 2012-01-19 | 2013-06-12 | 山东潍坊润丰化工有限公司 | 2,4-D salt water-soluble granule and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1292996A (en) * | 1999-10-19 | 2001-05-02 | 吴应多 | Kill-type herbicide |
| CN1348693A (en) * | 2000-10-18 | 2002-05-15 | 关丽杰 | Herbicide mixture prepn. of sulcotrione and nicoculsfuron fro corn field |
-
2003
- 2003-10-24 CN CNB2003101049252A patent/CN1319445C/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1292996A (en) * | 1999-10-19 | 2001-05-02 | 吴应多 | Kill-type herbicide |
| CN1348693A (en) * | 2000-10-18 | 2002-05-15 | 关丽杰 | Herbicide mixture prepn. of sulcotrione and nicoculsfuron fro corn field |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1608465A (en) | 2005-04-27 |
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Effective date of registration: 20091120 Address after: 28, Fuxing Man Street, Xicheng District, Beijing, zip code: 100031 Co-patentee after: SHENYANG RESEARCH INSTITUTE OF CHEMICAL INDUSTRY Co.,Ltd. Patentee after: SINOCHEM Corp. Address before: F6-F12, middle seat of Kai Chen World Trade Centre, 28 Fuxing Man Street, Xicheng District, Beijing, zip code: 100031 Co-patentee before: SHENYANG RESEARCH INSTITUTE OF CHEMICAL INDUSTRY Co.,Ltd. Patentee before: Sinochem Corp. |
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Effective date of registration: 20160121 Address after: 110021 Liaodong Road, Tiexi District, Liaoning, No. 8-1, No. Patentee after: SHENYANG SINOCHEM AGROCHEMICALS R&D Co.,Ltd. Address before: 100031 Beijing, Xicheng District, the door of the revitalization of the main street, No. 28 Patentee before: SINOCHEM Corp. Patentee before: SHENYANG RESEARCH INSTITUTE OF CHEMICAL INDUSTRY Co.,Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20070606 |
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| CX01 | Expiry of patent term |