Polyacrylamide based agricultural compositions
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A01N-025/10
A01N-025/04
A01N-025/30
출원번호
US-0036214
(2013-09-25)
등록번호
US-9357769
(2016-06-07)
발명자
/ 주소
Sexton, Franklin E.
Strash, Ryan T.
O'Connell, Todd J.
출원인 / 주소
Exacto, Inc.
대리인 / 주소
Berenato & White, LLC
인용정보
피인용 횟수 :
0인용 특허 :
29
초록▼
A polyacrylamide based agricultural composition as a microemulsion is provided in form of a water-in-oil microemulsion with polyacrylamide dissolved in the water phase where the polyacrylamide solids content is from about two up to about 15 percent by weight, which is then further diluted in water a
A polyacrylamide based agricultural composition as a microemulsion is provided in form of a water-in-oil microemulsion with polyacrylamide dissolved in the water phase where the polyacrylamide solids content is from about two up to about 15 percent by weight, which is then further diluted in water at the time of use to impart the desired characteristics of the polymer to the water phase or to the material to which the water phase is applied.
대표청구항▼
1. A process of dispersing a composition into an aqueous media and applying the composition in an agricultural application, comprising: dispersing an agricultural water-in-oil microemulsion composition having micelles in an aqueous medium, the composition comprising a microemulsion of about 2 percen
1. A process of dispersing a composition into an aqueous media and applying the composition in an agricultural application, comprising: dispersing an agricultural water-in-oil microemulsion composition having micelles in an aqueous medium, the composition comprising a microemulsion of about 2 percent by weight to about 15 percent by weight of polyacrylamide polymer or copolymer solids based on the weight of the composition, at least one fatty acid, and at least one surfactant selected from the group consisting of a nonionic surfactant and a combination of nonionic surfactants, the nonionic surfactant having a combined hydrophilic-lipophilic balance of greater than 9.3, and the balance being oil;allowing the micelles to burst in the aqueous medium; andapplying the aqueous medium with the composition to at least one seed, at least one growing crop, at least one forest area, at least one turf or other vegetation, at least one soil, at least one crop, or a combination thereof. 2. A process according to 1 further comprising forcing the composition into the aqueous medium by at least one operation selected from the group consisting of stirring the aqueous medium and the composition, pumping the aqueous medium and the composition through a pipe or stirring it in a tank, pouring the composition into a tank containing the aqueous media and injecting the composition into the tank. 3. The method of claim 1 wherein the amount of polyacrylamide polymer or copolymer solids is about 4 to about 12 percent by weight, based on the weight of the composition. 4. The method of claim 1 wherein the polyacrylamide polymer is a nonionic polyacrylamide. 5. The method of claim 1 wherein the polyacrylamide copolymer is an anionic polyacrylamide. 6. The method of claim 5 wherein the anionic polyacrylamide is derived from acrylamide and sodium acrylate. 7. The method of claim 1 wherein the polyacrylamide copolymer is an anionic polyacrylamide with up to about 40 percent anionic content. 8. The method of claim 1 wherein the polyacrylamide polymer or copolymer solids is present in an amount of about 2 to about 14 percent by weight based on the weight of the composition. 9. The method of claim 1 wherein the fatty acid is present in an amount of about 2 to about 5 percent, based on the weight of the composition. 10. The method of claim 1 wherein the fatty acid is from a source that is primarily C18 unsaturated fatty acids. 11. The method of claim 1 wherein the fatty acid is from tall oil. 12. The method of claim 1 wherein the nonionic surfactant is an ethoxylated surfactant. 13. The method of claim 1 wherein the nonionic surfactant is nonylphenol ethoxylate, fatty alcohol ethoxylate or a combination thereof. 14. The method of claim 1 wherein the nonionic surfactant is fatty alcohol ethoxylate. 15. The method of claim 1 wherein the nonionic surfactant is present in an amount about 9 to about 20 percent by weight, based on the weight of the composition. 16. The method of claim 1 wherein about 8 percent to about 70 percent by weight of the at least one nonionic surfactant has a hydrophilic-lipophilic balance above 9.3. 17. The method of claim 1 wherein the oil is a paraffinic oil, a natural oil or a derivative of a natural oil. 18. A process of dispersing a composition into an aqueous media and applying the composition, comprising: dispersing an agricultural water-in-oil microemulsion composition having micelles in an aqueous medium, the composition comprising a microemulsion of about 2 percent by weight to about 15 percent by weight of polyacrylamide polymer or copolymer solids based on the weight of the composition, at least one fatty acid, and at least one surfactant selected from the group consisting of a nonionic surfactant and a combination of nonionic surfactants, the nonionic surfactant having a combined hydrophilic-lipophilic balance of greater than 9.3, and the balance being oil;allowing the micelles to burst in the aqueous medium; andapplying the aqueous medium with the composition to at least one patch of bare ground, at least one roadside, at least one industrial area, at least one right-of-way, or a combination thereof. 19. A process of dispersing a composition into an aqueous media and applying the composition, comprising: dispersing an agricultural water-in-oil microemulsion composition having micelles in an aqueous medium, the composition comprising a microemulsion of about 2 percent by weight to about 15 percent by weight of polyacrylamide polymer or copolymer solids based on the weight of the composition, at least one fatty acid, and at least one surfactant selected from the group consisting of a nonionic surfactant and a combination of nonionic surfactants, the nonionic surfactant having a combined hydrophilic-lipophilic balance of greater than 9.3, and the balance being oil;allowing the micelles to burst in the aqueous medium; andapplying the aqueous medium with the composition to at least one waterway, at least one water management area, or a combination thereof.
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