AU2017100709A4 - The invention relates to liquid herbicide formulations of glyphosate that contain a particular combination of bases that work with a certain category of surfactants to produce high load glyphosates with a relatively low viscosity but are still compatible with other material in tank mixes and water types. - Google Patents
The invention relates to liquid herbicide formulations of glyphosate that contain a particular combination of bases that work with a certain category of surfactants to produce high load glyphosates with a relatively low viscosity but are still compatible with other material in tank mixes and water types. Download PDFInfo
- Publication number
- AU2017100709A4 AU2017100709A4 AU2017100709A AU2017100709A AU2017100709A4 AU 2017100709 A4 AU2017100709 A4 AU 2017100709A4 AU 2017100709 A AU2017100709 A AU 2017100709A AU 2017100709 A AU2017100709 A AU 2017100709A AU 2017100709 A4 AU2017100709 A4 AU 2017100709A4
- Authority
- AU
- Australia
- Prior art keywords
- glyphosate
- water
- bases
- surfactants
- surfactant
- 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.)
- Ceased
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- XDDAORKBJWWYJS-UHFFFAOYSA-N glyphosate Chemical compound OC(=O)CNCP(O)(O)=O XDDAORKBJWWYJS-UHFFFAOYSA-N 0.000 title claims abstract description 15
- 239000005562 Glyphosate Substances 0.000 title claims abstract description 13
- 229940097068 glyphosate Drugs 0.000 title claims abstract description 13
- 239000004094 surface-active agent Substances 0.000 title claims abstract description 13
- 239000000203 mixture Substances 0.000 title claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 8
- 238000009472 formulation Methods 0.000 title claims description 7
- 239000004009 herbicide Substances 0.000 title description 3
- 239000007788 liquid Substances 0.000 title description 3
- 230000002363 herbicidal effect Effects 0.000 title description 2
- 239000000463 material Substances 0.000 title description 2
- 239000012669 liquid formulation Substances 0.000 claims abstract 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 24
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 claims description 7
- 150000003973 alkyl amines Chemical class 0.000 claims 3
- 239000002736 nonionic surfactant Substances 0.000 claims 3
- 239000003760 tallow Substances 0.000 claims 3
- 239000002518 antifoaming agent Substances 0.000 claims 2
- 239000003795 chemical substances by application Substances 0.000 claims 2
- 150000003839 salts Chemical class 0.000 abstract description 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052700 potassium Inorganic materials 0.000 abstract description 2
- 239000011591 potassium Substances 0.000 abstract description 2
- 239000000047 product Substances 0.000 abstract description 2
- 239000012467 final product Substances 0.000 abstract 1
- HXKKHQJGJAFBHI-UHFFFAOYSA-N 1-aminopropan-2-ol Chemical compound CC(O)CN HXKKHQJGJAFBHI-UHFFFAOYSA-N 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000008233 hard water Substances 0.000 description 1
- 159000000001 potassium salts Chemical class 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
Abstract A liquid formulation contain at least 550 ae g/L of glyphosate, two bases that are complimentary to each other, a surfactant that is compatible to the system and enhances the efficacy of the final product. The system produces a product that is more compatible than straight potassium (K) salt glyphosates and is much less viscous particularly at low temperature than glyphosate containing other bases surfactant combinations.
Description
Description 2017100709 14 Jun2017
Field
The invention relates to liquid herbicide formulations of glyphosate that contain a particular combination of bases that work with a certain category of surfactants to produce high load glyphosates with a relatively low viscosity but are still compatible with other material in tank mixes and water types.
Background
There are many liquid potassium glyphosates in the market mostly at 540 ae g/L which have a low viscosity at low temperatures but because they are single potassium salts are not very compatible with other herbicides in particularly 2,4D, other surfactants and have problems being used in hard water. The incompatibility can result in precipitation from causing nozzle blockages to large lumps in the mixing tank as well as decreasing the efficacy of both the glyphosate and many other products which they cause precipitate in the spray tank.
More compatible commonly used bases like Monoisopropanolamine (MIPA) can only be used at low glyphosate concentrations such as 450 ae g/L as they have a very high viscosity above 500 ae g/L and are extremely viscous above 540 ae g/L. Even when combined with potassium hydroxide as in Argo the viscosity can often be above 600cp at low temperatures especially with certain surfactants. This can cause pumping and handling issues.
This invention even at 550 ae g/L rather the standard 540 ae g/L incorporating the use of potassium hydroxide and monoethanolamine and coupled with the right surfactant blends solves the above issues being much more compatible than the K salt and with excellent viscosity and excellent handling properties at low temperatures.
The inventions were also found to be more efficacious than a typical 540K and 540 ae g/L K/MIPA dual salt formulation in speed of action particularly at lower doses. 1
Claims (2)
- Claim The invention claimed is1. A stable liquid formulation containing a. Around 550 ae g/L of glyphosate b. Two bases namely Monoethanolamine (MEA) and Potassium Hydroxide 48% (KOH) in a ratio of 40: 60 or 60:40 in a suitable amount to ensure the glyphosate is fully neutralised. c. Suitable compatible surfactants at a range of 90:130g/L either an ethoxylated tallow alkyl amine or a non-ionic surfactant blend. d. An antifoam agent e. A dye f. Water
- 2. A stable liquid formulation containing g. Around 450-600 ae g/L of glyphosate h. Two bases namely Monoethanolamine (MEA) and Potassium Hydroxide 48% (KOH) in a ratio of30:70 or70:30 ina suitable amount to ensure the glyphosate is fully neutralised. i. Suitable compatible surfactants at a range of 80:150g/L either an ethoxylated tallow alkyl amine or a non-ionic surfactant blend. j. An antifoam agent k. A dye l. Water Description of the embodiments of the invention In order that the present invention may be clearly understood reference is made to the following examples some of which are preferred embodiments of the present invention. Example 1 Glyphosate technical 95.09% purity, potassium hydroxide (46% in water), Monoethanolamine, surfactant 1 and water with a dye in the ratio 43, 8,15,9 and 24 were combined in a set order to produce a formulation with a density of 1.333. The surfactant was a non-ionic surfactant blend that enhanced the efficacy of the combined glyphosate salts.Example 2 Glyphosate technical 95.09% purity, potassium hydroxide (46% in water), Monoethanolamine, surfactant 1 and water with a dye in the ratio 43, 8,15, 8 and 25 were combined in a set order to produce a formulation with a density of 1.333. The surfactant was an ethoxylated tallow alkyl amine that enhanced the efficacy of the combined glyphosate salts.The formulations were found to be stable meeting all AVPMA requirements. Their efficacy was found to be superior to other Glyphosate 540 products on the Australian market. They were found to be compatible particularly when mixed with 24D formulations and only had a viscosity of 75cp at 20°C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2017100709A AU2017100709A4 (en) | 2017-06-14 | 2017-06-14 | The invention relates to liquid herbicide formulations of glyphosate that contain a particular combination of bases that work with a certain category of surfactants to produce high load glyphosates with a relatively low viscosity but are still compatible with other material in tank mixes and water types. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2017100709A AU2017100709A4 (en) | 2017-06-14 | 2017-06-14 | The invention relates to liquid herbicide formulations of glyphosate that contain a particular combination of bases that work with a certain category of surfactants to produce high load glyphosates with a relatively low viscosity but are still compatible with other material in tank mixes and water types. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AU2017100709A4 true AU2017100709A4 (en) | 2017-07-13 |
Family
ID=59294839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2017100709A Ceased AU2017100709A4 (en) | 2017-06-14 | 2017-06-14 | The invention relates to liquid herbicide formulations of glyphosate that contain a particular combination of bases that work with a certain category of surfactants to produce high load glyphosates with a relatively low viscosity but are still compatible with other material in tank mixes and water types. |
Country Status (1)
| Country | Link |
|---|---|
| AU (1) | AU2017100709A4 (en) |
-
2017
- 2017-06-14 AU AU2017100709A patent/AU2017100709A4/en not_active Ceased
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FGI | Letters patent sealed or granted (innovation patent) | ||
| MK22 | Patent ceased section 143a(d), or expired - non payment of renewal fee or expiry | ||
| NA | Applications received for extensions of time, section 223 |
Free format text: AN APPLICATION TO EXTEND THE TIME FROM 14 JUN 2019 TO 14 AUG 2021 IN WHICH TO PAY A RENEWAL FEE HAS BEEN FILED |
|
| NB | Applications allowed - extensions of time section 223(2) |
Free format text: THE TIME IN WHICH TO PAY A RENEWAL FEE HAS BEEN EXTENDED TO 14 AUG 2021 |
|
| MK21 | Patent ceased section 101c(b)/section 143a(c)/reg. 9a.4 - examination under section 101b had not been carried out within the period prescribed |