# US 9,433,206 B2 · Reduced foam dispersions and formulations therefor > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,433,206 B2 - Document ID: US9433206B2 - Status: Granted - Kind: B2 - Application number: 11/722,912 - Filed: 2005-12-27 - Published: 2008-09-11 - Granted: 2016-09-06 - Earliest claimed: 2004-12-27 - Assignees: Huntsman Corporation Australia Pty Limited - Applicants: Andrew F. Kirby; Alice Lavranos - Inventors: Andrew F. Kirby; Alice Lavranos - Web page: https://patentgrep.com/patent/US9433206B2 ## CPC - A01N 25/12: Powders or granules (A01N25/26 takes precedence) - A01N 25/14: wettable - A01N 43/70: Diamino—1,3,5—triazines with only one oxygen, sulfur or halogen atom or only one cyano, thiocyano (—SCN), cyanato (—OCN) or azido (—N3) group directly attached to a ring carbon atom - A01N: PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF (preservation of food or foodstuff A23); BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES (preparations for medical, dental or toiletry purposes which kill or prevent the growth or proliferation of unwanted organisms A61K); PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS ## Abstract A composition and method for dispersing an agriculturally active agent are disclosed. In an embodiment, a solid agrochemical formulation is disclosed. The solid agrochemical formulation comprises an agriculturally active agent, a fatty acid salt, and a chelating agent. ## Claims ### Claim 1 A solid agrochemical formulation comprising an agriculturally active agent and a defoaming composition comprising a fatty acid salt and a chelating agent, wherein a level of the defoaming composition is from about 0.1% w/w to about 20% w/w. ### Claim 2 (depends on 1) The formulation of claim 1 wherein the agriculturally active agent comprises herbicides, insecticides, fungicides, biocides, molluscicides, algaicides, plant growth regulators, anthelminthics, rodenticides, nematocides, acaricides, amoebicides, protozoacides, crop safeners, adjuvants, or combinations thereof. ### Claim 3 (depends on 1) The formulation of claim 1 wherein the agriculturally active agent comprises triazine, urea, or combinations thereof. ### Claim 4 (depends on 3) The formulation of claim 3 wherein the solid agrochemical formulation is in a WDG or WP formulation. ### Claim 5 (depends on 1) The formulation of claim 1 wherein the agriculturally active agent comprises atrazine, simazine, or combinations thereof. ### Claim 6 (depends on 1) The formulation of claim 1 wherein the fatty acid salt comprises C8 to C21 fatty acids. ### Claim 7 (depends on 1) The formulation of claim 1 wherein the fatty acid salt comprises sodium stearate, sodium oleate, aluminum stearate, or combinations thereof. ### Claim 8 (depends on 1) The formulation of claim 1 wherein the chelating agent comprises ethylene diamine tetraacetic acid, gluconic acid, nitrilotriacetic acid, diethylenetriamine pentaacetic acid, salts thereof, hydrates thereof or combinations thereof. ### Claim 9 (depends on 7) The formulation of claim 7 wherein the chelating agent comprises ethylene diamine tetraacetic acid. ### Claim 10 (depends on 1) The formulation of claim 1 wherein the ratio of fatty acid salt to chelating agent is from about 1:100 to about 100:1. ### Claim 11 (depends on 1) The formulation of claim 1 wherein the fatty acid salt and chelating agent are present in the ratio of about 1:1.5 to about 1:3. ### Claim 12 (depends on 1) The formulation of claim 1, wherein the defoaming composition further comprises a polyacid polymer. ### Claim 13 (depends on 12) The formulation of claim 12 wherein the polyacid polymer comprises sodium polyacrylate. ### Claim 14 (depends on 13) The formulation of claim 13 wherein the sodium polyacrylate has a molecular weight of from about 500 daltons to about 20,000 daltons. ### Claim 15 (depends on 12) The formulation of claim 12 wherein the ratio of polyacid polymer to fatty acid salt and chelating agent is from about 1:3 to about 1:1. ### Claim 16 (depends on 1) The formulation of claim 1 further comprising a wetting agent. ### Claim 17 (depends on 16) The formulation of claim 16 wherein the wetting agent is present in the formulation in amounts from about 1% w/w to about 3% w/w. ### Claim 18 (depends on 1) The formulation of claim 1 further comprising a dispersing agent. ### Claim 19 (depends on 1) The formulation of claim 1 wherein the formulation comprises a pH from about 4 to about 9. ### Claim 20 (depends on 1) The formulation of claim 1 wherein the formulation is in the form of a water dispersible granule or wettable powder. ### Claim 21 (depends on 15) The formulation of claim 15, wherein the sodium polyacrylate has a molecular weight of from about 2,100 daltons to about 3,500 daltons. ### Claim 22 (depends on 7) The formulation of claim 7, wherein the chelating agent comprises ethylene diamine tetraacetic acid, gluconic acid, nitrilotriacetic acid, diethylenetriamine pentaacetic acid, salts thereof, hydrates thereof or combinations thereof. ### Claim 23 (depends on 1) The formulation of claim 1, wherein the defoaming composition further comprises a sodium salt of a polyacrylic acid copolymer and a pH from about 6 to 7, and a level of the defoaming composition is from about 1.2 wt % to about 2.5 wt % of the formulation. ### Claim 24 A suspension concentrate formulation comprising water and a solid agrochemical formulation comprising an agriculturally active agent and a defoaming composition comprising a fatty acid salt and a chelating agent, wherein a level of the defoaming composition in the agrochemical formulation is from about 0.1% w/w to about 20% w/w. ### Claim 25 (depends on 24) The formulation of claim 24 wherein the agriculturally active agent comprises atrazine, simazine, or combinations thereof. ### Claim 26 (depends on 24) The formulation of claim 24 wherein the fatty acid salt comprises C8 to C21 fatty acids. ### Claim 27 (depends on 24) The formulation of claim 24 further comprising a polyacid polymer. ### Claim 28 A method for preparing an aqueous dispersion of an agriculturally active agent in solid form comprising the steps of: (A) providing a composition comprising an agriculturally active agent and a defoaming composition comprising a fatty acid salt, a chelating agent, and a polyacid polymer; and (B) dispersing the composition in water. ### Claim 29 (depends on 28) The method of claim 28 wherein the level of the defoaming composition is from about 0.1% w/w to about 20% w/w. ### Claim 30 (depends on 29) The method of claim 29 wherein the ratio of polyacid polymer to fatty acid salt and chelating agent is from about 1:50 to about 50:1. ### Claim 31 (depends on 30) The method of claim 30, wherein the polyacid polymer is added as a sodium salt having molecular weight less than about 10,000 daltons.