IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
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출원번호 |
US-0281028
(2011-10-25)
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등록번호 |
US-9596801
(2017-03-21)
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발명자
/ 주소 |
- Olson, Gary
- Walsh, John Francis
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
0 인용 특허 :
36 |
초록
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Superabsorbent polymer products for use in agricultural applications, and methods of making the same, are provided. The superabsorbent polymer is used in a seed coating along with an active ingredient, and optionally a singulating substance, to improve seed germination and/or blooming; improve germi
Superabsorbent polymer products for use in agricultural applications, and methods of making the same, are provided. The superabsorbent polymer is used in a seed coating along with an active ingredient, and optionally a singulating substance, to improve seed germination and/or blooming; improve germination under dry conditions; decrease irrigation requirements; increase propagation, crop growth, and crop production; and improve the efficacy of the active ingredient.
대표청구항
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1. A coated seed product comprising: a seed including a coating, the coating comprising:a superabsorbent polymer, wherein the superabsorbent polymer is present at a rate of between about 0.10% and about 1.50% of the weight of the seed;an active ingredient, wherein the active ingredient is selected f
1. A coated seed product comprising: a seed including a coating, the coating comprising:a superabsorbent polymer, wherein the superabsorbent polymer is present at a rate of between about 0.10% and about 1.50% of the weight of the seed;an active ingredient, wherein the active ingredient is selected from at least one of the following: nutrients, plant growth regulators, insecticides, fungicides, herbicides, and biological materials; anda singulating substance, wherein: the singulating substance is present at a rate of below about 1.5% of the weight of the seed;the superabsorbent polymer, or said active ingredient, or a combination of said superabsorbent polymer and said active ingredient is distributed on and at least partially covers the seed's surface;the coated seed product is free of a binder or adhesive. 2. The coated seed product of claim 1, wherein the superabsorbent polymer is a polyacrylamide or a polyacrylate. 3. The coated seed product of claim 1, wherein the superabsorbent polymer is a starch graft copolymer. 4. The coated seed product of claim 3, wherein the superabsorbent polymer is a starch-g-poly (2-propenamide-co-2-propenoic acid) potassium salt starch graft copolymer. 5. The coated seed product of claim 1, wherein the singulating substance is talc. 6. The coated seed product of claim 1, wherein the singulating substance is selected from at least one of the following: calcium carbonate, sodium sulfate, mica, magnesium sulfate, wood flour, and silica. 7. A coated seed product comprising: a seed including a coating, the coating comprising:a superabsorbent polymer, wherein the superabsorbent polymer is present at a rate of between about 0.10% and about 1.50% of the weight of the seed;an active ingredient, wherein the active ingredient is selected from at least one of the following: nutrients, plant growth regulators, insecticides, fungicides, herbicides, and biological materials; anda singulating substance; wherein: the singulating substance is talc and is present at a rate of between about 0.05% and about 0.50% of the weight of the seed;the superabsorbent polymer, or said active ingredient, or a combination of said superabsorbent polymer and said active ingredient is distributed on and at least partially covers the seed's surface;the coated seed product is free of a binder or adhesive. 8. The coated seed product of claim 1, wherein the active ingredient is present at a rate of between about 0.01% and about 3.0% of the weight of the seed. 9. The coated seed product of claim 1, wherein the superabsorbent polymer is present at a rate of between about 0.2% and about 0.4% of the weight of the seed. 10. The coated seed product of claim 1, wherein the seed is selected from at least one of the following: corn, soybeans, wheat, cotton, sunflowers, sorghum, canola, vegetables, barley, oats and other small grains, dry beans, peas, lentils, and peanuts. 11. The coated seed product of claim 1, wherein the singulating substance is present at a rate of between about 0.05% and about 0.50% of the weight of the seed. 12. The coated seed product of claim 1, wherein the active ingredient is present at a rate of between about 1.0% and about 50.0% of the weight of the seed. 13. A coated seed product produced by a method comprising the steps of: applying an active ingredient to a plurality of seeds to produce a mixture of seeds andactive ingredient, wherein the active ingredient is selected from at least one of the following:nutrients, plant growth regulators, insecticides, fungicides, herbicides, and biological materials;applying a superabsorbent polymer to the mixture of seeds and active ingredient to form a mixture of seeds, active ingredient, and superabsorbent polymer; andapplying a singulating substance to the mixture seeds, active ingredient, and superabsorbent polymer, wherein the singulating substance is applied in an amount of below about 1.5% of the weight of the seed;wherein said superabsorbent polymer, or said active ingredient, or a combination of said superabsorbent polymer and said active ingredient is distributed on and at least partially covers the seed's surface; and the coated seed product is free of a binder or adhesive. 14. The coated seed product of claim 13, wherein the application of the singulating substance occurs within 5 seconds of the addition of the superabsorbent polymer to the mixture of seeds and active ingredient. 15. The coated seed product of claim 13, wherein the application of the singulating substance occurs within 2 seconds of the addition of the superabsorbent polymer to the mixture of seeds and active ingredient. 16. The coated seed product of claim 13, wherein the superabsorbent polymer is a starch-g-poly (2-propenamide-co-2-propenoic acid) potassium salt starch graft copolymer. 17. The coated seed product of claim 13, wherein the singulating substance is talc. 18. The coated seed product of claim 13, wherein the superabsorbent polymer is present at a rate of between about 0.10% and about 1.50% of the weight of the seed. 19. The coated seed product of claim 13, wherein the superabsorbent polymer is present at a rate of between about 0.2% and about 0.4% of the weight of the seed. 20. The coated seed product of claim 13, wherein the singulating substance is present at a rate of between about 0.05% and about 0.50% of the weight of the seed. 21. The coated seed product of claim 13, wherein the active ingredient is present at a rate of between about 1.0% and about 50.0% of the weight of the seed. 22. The coated seed product of claim 13, wherein the active ingredient is present at a rate of between about 0.01% and about 3.0% of the weight of the seed. 23. The coated seed product of claim 13, wherein the seed is selected from at least one of the following: corn, soybeans, wheat, cotton, sunflowers, sorghum, canola, vegetables, barley, oats and other small grains, dry beans, peas, lentils, and peanuts. 24. The coated seed product of claim 16, wherein the singulating substance is talc. 25. The coated seed product of claim 24, wherein the superabsorbent polymer is present at a rate of between about 0.25% and about 1% of the weight of the seed and the talc is present at a rate of about 0.20% to 0.30% of the weight of the seed. 26. The coated seed product of claim 25, wherein the active ingredient is present at a rate of between about 0.01% and about 3.0% of the weight of the seed. 27. The coated seed product of claim 26, wherein the seed is selected from at least one of the following: corn, soybeans, wheat, cotton, sunflowers, sorghum, canola, vegetables, barley, oats and other small grains, dry beans, peas, lentils, and peanuts. 28. The coated seed product of claim 26, wherein the seed is a soybean seed or a wheat seed. 29. The coated seed product of claim 7, wherein the superabsorbent polymer is a starch-g-poly (2-propenamide-co-2-propenoic acid) potassium salt starch graft copolymer. 30. The coated seed product of claim 29, wherein the singulating substance is talc and the talc is present at a rate of about 0.20% to 0.30% of the weight of the seed. 31. The coated seed product of claim 30, wherein the superabsorbent polymer is present at a rate of between about 0.25% and about 1% of the weight of the seed. 32. The coated seed product of claim 31, wherein the active ingredient is present at a rate of between about 0.01% and about 3.0% of the weight of the seed. 33. The coated seed product of claim 32, wherein the seed is selected from at least one of the following: corn, soybeans, wheat, cotton, sunflowers, sorghum, canola, vegetables, barley, oats and other small grains, dry beans, peas, lentils, and peanuts. 34. The coated seed product of claim 33, wherein the seed is a soybean seed or a wheat seed.
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