# US 2021/0329918 A1 · Aqueous compositions of topramezone > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0329918 A1 - Document ID: US20210329918A1 - Status: Published application - Kind: A1 - Application number: 17/270,515 - Filed: 2019-08-12 - Published: 2021-10-28 - Earliest claimed: 2018-08-27 - Assignees: BASF SE - Applicants: BASF SE - Inventors: Shawn Dickess; Dean A Dester - Web page: https://patentgrep.com/patent/US20210329918A1 ## CPC - A01N 43/80: five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,2 - A01N 25/04: Dispersions, {emulsions, suspoemulsions, suspension concentrates} or gels (foams A01N25/16) - A01N 25/24: containing ingredients to enhance the sticking of the active ingredients - A01N 25/30: characterised by the surfactants - 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 Described herein is an aqueous herbicidal composition including topramezone. Also described herein is an aqueous solution of topramezone in a buffer solution with or without adjuvants. Also described herein is a method of using these compositions for controlling undesirable vegetation in crops and non-crops. ## Claims ### Claim 1 An aqueous composition comprising 0.1 wt. % to 1.0 wt. % topramezone or an agriculturally acceptable salt thereof, based on an overall weight of the aqueous composition, wherein a pH of the composition is in a range of from 6.5 to 7.5. ### Claim 2 (depends on 1) The aqueous composition according to claim 1, wherein an amount of topramezone or an agriculturally acceptable salt thereof is in a range of from 0.1 wt. % to 0.5 wt. %, based on the overall weight of the aqueous composition. ### Claim 3 (depends on 1) The aqueous composition according to claim 1, wherein the pH of the composition is in a range of from 6.8 to 7.2. ### Claim 4 (depends on 1) The aqueous composition according to claim 1, wherein the pH of the composition is in a range of from 6.9 to 7.1. ### Claim 5 (depends on 1) The aqueous composition according to claim 1, comprising at least one buffering agent. ### Claim 6 (depends on 5) The aqueous composition according to claim 5, wherein the at least one buffering agent is selected from the group consisting of phosphate buffer, phosphate-acetate buffer, citrate-phosphate buffer, BES (N,N-bis(2-hydroxyethyl)-2-aminoethanesulfonaic acid)-buffered saline, EBSS(Earle's balanced salt solution) buffer, Hanks balanced buffer solution, HEPPSO (N-(2-hydroxyethyl)piperazine-N′-(2-hydroxypropanesulfonic acid) buffer, Hank's buffer with HEPES, imidazole-HCl buffer, maleic acid buffer, MOPS (3-(N-morpholino)propane-sulfonic acid) buffer, phosphate buffer saline, phosphate buffer, potassium phosphate, TBS Tris buffered saline buffer, and Tris (tris(hydroxymethyl) aminomethane) buffer. ### Claim 7 (depends on 1) The aqueous composition according to claim 1, further comprising at least one adjuvant. ### Claim 8 (depends on 7) The aqueous composition according to claim 7, wherein the at least one adjuvant is a non-ionic surfactant. ### Claim 9 (depends on 8) The aqueous composition according to claim 8, wherein the non-ionic surfactant is selected from the group consisting of alkyl polyglycoside, alkoxylated alcohol, alkoxylated natural oil, glycerol esters, alkoxylated reduced sugar esters, alkoxylated glycerol monococoate, esters of polyhydric alcohol, alkoxylated amines, alkoxylated esters, alkoxylated alkyl or arylphenols, ethylene oxide/propylene oxide copolymer, and mixtures thereof. ### Claim 10 (depends on 9) The aqueous composition according to claim 9, wherein the alkyl polyglycoside is represented by the formula (I) R1O(R2O)b(Z)a (I) wherein: R1 is straight-chain or branched, unsubstituted or substituted C4-C30 alkyl or straight-chain or branched, unsubstituted or substituted C4-C30 alkenyl; R2 is straight-chain or branched, unsubstituted or substituted C2-C4 alkylene; b is in a range of 0 to 100; Z is a saccharide residue having 5 to 6 carbon atoms; and a is an integer in a range of 1 to 6. ### Claim 11 (depends on 10) The aqueous composition according to claim 10, wherein R1 is straight-chain or branched, unsubstituted C8-C16 alkyl; b is 0; Z is glucose; and a is an integer from 1 to 2. ### Claim 12 (depends on 9) The aqueous composition according to claim 9, wherein the alkoxylated alcohol has a formula: R3O—(R4O)xR5 (II) wherein R3 is straight-chain or branched, unsubstituted or substituted C1-C30 alkyl or straight-chain or branched, unsubstituted or substituted C2-C30 alkenyl, R4 in each of the x (R4O) groups is independently straight-chain or branched, un-substituted or substituted C2-C4 alkylene, R5 is hydrogen, or straight-chain or branched, unsubstituted or substituted C1-C30 alkyl straight-chain; and x is an integer in a range of 1 to 60. ### Claim 13 (depends on 12) The aqueous composition according to claim 12, wherein R3 is straight-chain or branched, unsubstituted C10-C14 alkyl; R4 is unsubstituted, straight-chain C2 alkylene; R5 is hydrogen; and x is an integer in a range of 7 to 10. ### Claim 14 (depends on 9) The aqueous composition according to claim 9, wherein the alkoxylated natural oil is alkoxylated castor oil. ### Claim 15 (depends on 7) The aqueous composition according to claim 7, wherein the at least one adjuvant is selected from the group consisting of C9-C11 alkyl polyglucoside, ethoxylated tridecyl alcohols, and ethoxylated castor oil. ### Claim 16 (depends on 7) The aqueous composition according to claim 7, wherein the at least one adjuvant is present in an amount of from 0.1 wt. % to 10.0 wt. %, based on the total weight of the aqueous composition. ### Claim 17 (depends on 1) The aqueous composition according to claim 1, further comprising at least one auxiliary agent selected from the group consisting of antifoaming agents, organic and inorganic thickeners, bactericides, antifreeze agents, colorants, and adhesives. ### Claim 18 (depends on 1) The aqueous composition according claim 1, comprising 0.1 wt. % to 1.0 wt. % topramezone, 0.1 wt. % to 10.0 wt. % of at least one adjuvant, 0.1 wt. % to 10.0 wt. % of at least one auxiliary agent, at least one buffering agent, and 2.0 wt. % to 99.0 wt. % water, in each case based on the total weight of the aqueous composition, wherein the pH of the composition is in a range of from 6.5 to 7.5. ### Claim 19 (depends on 1) A method of controlling undesired vegetation, comprising the step of applying the aqueous composition according to claim 1 to plants, an environment of plants, and/or seeds. ### Claim 20 (depends on 1) A method of using the composition according to claim 1, the method comprising using the composition for controlling undesired vegetation. ### Claim 21 (depends on 1) A method for producing the composition according to claim 1, comprising the step of: (a) adding from 0.1 wt. % to 1.0 wt. % of topramezone in a buffer solution having a pH range of 6.5 to 7.5. ### Claim 22 (depends on 21) The method according to claim 21 further comprising the steps of: (b) adding at least one adjuvant in a range of from 0.1 wt. % to 10.0 wt. %; and (c) adding at least one auxiliary agent in a range of from 0.1 wt. % to 10.0 wt. %. ### Claim 23 (depends on 1) A ready to spray formulation according to claim 1.