# US 2016/0249607 A1 · Highly Concentrated Liquid Forms of Polysaccharide Ethers > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2016/0249607 A1 - Document ID: US20160249607A1 - Status: Published application - Kind: A1 - Application number: 15/029,658 - Filed: 2014-10-20 - Published: 2016-09-01 - Earliest claimed: 2013-10-22 - Assignees: Akzo Nobel Chemicals International B.V. - Applicants: Akzo Nobel Chemicals International B.V. - Inventors: Peter Westbye; Qingwen Wendy Yuan-Huffman - Web page: https://patentgrep.com/patent/US20160249607A1 ## CPC - A01N 25/24: containing ingredients to enhance the sticking of the active ingredients - A01N 25/02: containing liquids as carriers, diluents or solvents - 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 A liquid composition is provided, comprising 2 to 30 wt % of a non-ionic water-soluble polysaccharide ether, 55 to 90 wt %, of a polyol having 3 to 4 hydroxyl groups, 5 to 25 wt % of water, and 0.1 to 5 wt % of at least one multivalent inorganic anion salt. The invention also provides agricultural formulations obtained by adding such a liquid composition and an agriculturally active ingredient to water. ## Claims ### Claim 1 A liquid composition comprising a) 2 to 30 wt %, based on the total weight of the liquid composition, of a non-ionic water-soluble polysaccharide ether; b) 55 to 90 wt %, based on the total weight of the liquid composition, of a polyol having 3 to 4 hydroxyl groups; c) 5 to 25 wt %, based on the total weight of the liquid composition, of water; and d) 0.1 to 5 wt %, based on the total weight of the liquid composition, of at least one multivalent inorganic anion salt. ### Claim 2 (depends on 1) A composition according to claim 1 comprising 5 to 20 wt %, based on the total weight of the liquid composition, of a non-ionic water-soluble polysaccharide ether. ### Claim 3 (depends on 1) A composition according to claim 1 comprising 8 to 16 wt %, based on the total weight of the liquid composition, of a non-ionic water-soluble polysaccharide ether. ### Claim 4 (depends on 1) A composition according to claim 1, wherein said polysaccharide ether is cellulose ether or guar gum ether. ### Claim 5 (depends on 1) A composition according to claim 1, wherein said polysaccharide ether is a cellulose ether selected from the group consisting of hydroxyethyl cellulose, ethyl hydroxyethyl cellulose, hydroxybutyl methylcellulose, hydroxypropyl methylcellulose, methyl ethyl hydroxyethyl cellulose, hydrophobically modified ethyl hydroxyethyl cellulose and combinations thereof. ### Claim 6 (depends on 1) A composition according to claim 1, comprising a cellulose ether having a viscosity of at least 7.000 mPa*s, as measured at 1 wt % concentration in water at pH 7 with a Brookfield viscosimeter, type LV, at 12 rpm at 20° C., spindle No 3. ### Claim 7 (depends on 1) A composition according to claim 1, wherein said polysaccharide ether has a DSalkyl of 0 or from 0.1 to 2.5 wherein the alkyl has 1-4 carbon atoms. ### Claim 8 (depends on 1) A composition according claim 1, comprising a cellulose ether having a MShydroxyalkyl of 0 or from 0.2 to 4.0, and the hydroxyalkyl is selected from the group consisting of hydroxyethyl, hydroxypropyl hydroxybutyl and combinations thereof. ### Claim 9 (depends on 1) A composition according to claim 1, comprising a cellulose ether having a MShydrophobe of 0 or from 0.001 to 0.02, wherein the hydrophobe is a hydrocarbyl group having from 10 to 18 carbon atoms. ### Claim 10 (depends on 1) A composition according to claim 1, wherein said multivalent inorganic anion salts comprises salts of sulfates, phosphates and mixtures thereof. ### Claim 11 (depends on 1) A composition according to claim 1, wherein said polyol having 3 to 4 hydroxyl groups is selected from the group consisting of pentaerythritol, glycerol, trimethylolpropane, di-trimethylolpropane, erythritol, threitol and C2-4 alkylene oxide adducts thereof, and mixtures thereof. ### Claim 12 (depends on 1) A composition according to claim 1, wherein the weight ratio of b) to c+d) is from 75:25 to 95:5. ### Claim 13 (depends on 1) A composition according to claim 1, further comprising at least one component selected from the group consisting of pH adjusting agents, polymeric carboxylic acids and preservatives. ### Claim 14 (depends on 1) A composition according to claim 1, further comprising at least one agriculturally active agent. ### Claim 15 (depends on 1) A method for preparing an aqueous agricultural formulation, comprising adding at least one agriculturally active ingredient and a sufficient amount of the composition as defined in claim 1 to water in order to obtain an aqueous composition comprising the agriculturally active ingredient and from 0.005 to 0.5 wt %, based on the total weight of the agricultural formulation, of the non-ionic linear polysaccharide ether. ### Claim 16 (depends on 15) An aqueous agricultural formulation obtained by the method of claim 15. ### Claim 17 (depends on 16) A method for treating a plant comprising contacting said plant with an agricultural formulation according to claim 16, preferably by spraying the agricultural formulation onto said plant. ### Claim 18 A method of dispersing a non-ionic, water-soluble polysaccharide ether with a polyol having 3-4 hydroxyl groups, water and at least one salt of a multivalent anion, wherein the weight ratio of the polyol to the sum of water and the salt of a multivalent inorganic anion in the mixture is from 75:25 to 95:5, preferably from 80:20 to 90:10, and the concentration of the salt of multivalent inorganic anion is from 4 to 20 wt % based on the total weight of the salt of multivalent inorganic anion and water.