# US 12,006,491 B2 · Stable anhydrous laundry detergent concentrate and method of making same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,006,491 B2 - Document ID: US12006491B2 - Status: Granted - Kind: B2 - Application number: 17/838,150 - Filed: 2022-06-10 - Published: 2022-11-24 - Granted: 2024-06-11 - Earliest claimed: 2020-04-03 - Assignees: One Home Brands, Inc. - Applicants: One Home Brands, Inc. - Inventors: Syed Humza Naqvi - Web page: https://patentgrep.com/patent/US12006491B2 ## CPC - C11D 3/38609: {Protease or amylase in solid compositions only} - C11D 17/0086: {Laundry tablets} - C11D 1/83: Mixtures of non-ionic with anionic compounds - C11D 3/08: Silicates - C11D 3/10: Carbonates {; Bicarbonates} - C11D 3/124: {Silicon containing, e.g. silica, silex, quartz or glass beads} - C11D 3/2086: {Hydroxy carboxylic acids-salts thereof} - C11D 3/222: {Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin} - C11D 3/386: Preparations containing enzymes {, e.g. protease or amylase} - C11D 3/38645: {containing cellulase} - C11D 17/006: {containing mainly surfactants, but no builders, e.g. syndet bar} - C11D 1/146: {Sulfuric acid esters} - C11D 1/662: {Carbohydrates or derivatives} - C11D 2111/12: Soft surfaces, e.g. textile - C11D: DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL ## Abstract The invention relates to stable, anhydrous laundry detergent concentrated formulation in solid forms. ## Claims ### Claim 1 A stable anhydrous laundry detergent concentrate formulation in a solid form, comprising an acidic cleaner, a basic cleaner, a surfactant, and an enzyme, wherein the acid cleaner is citric acid, wherein the weight ratio of the enzyme to the surfactant is greater than 1:1, wherein the formulation is polyvinyl alcohol, glycerol, and glycol free, wherein the formulation is fatty acid free and animal fat free, wherein the formulation comprises less than 1% by weight of water based on the weight of the concentrate formulation. ### Claim 2 (depends on 1) The stable anhydrous laundry detergent concentrate formulation of claim 1, wherein the acidic cleaner is present in an amount of about 15-25 wt % based on the total weight of the formulation, wherein the basic cleaner is present in an amount of about 40-50 wt % based on the total weight of the formulation. ### Claim 3 (depends on 1) The stable anhydrous laundry detergent concentrate formulation of claim 1, wherein the surfactant is present in an amount of about 1-15 wt % based on the total weight of the formulation. ### Claim 4 (depends on 1) The stable anhydrous laundry detergent concentrate formulation of claim 1, wherein the enzyme is present in an amount of about 9-25 wt % based on the total weight of the formulation. ### Claim 5 (depends on 1) The stable anhydrous laundry detergent concentrate formulation of claim 1, wherein the basic cleaner is sodium carbonate. ### Claim 6 (depends on 5) The stable anhydrous laundry detergent concentrate formulation of claim 5, wherein the surfactant comprises lauryl glucoside and/or myristyl glucoside. ### Claim 7 (depends on 6) The stable anhydrous laundry detergent concentrate formulation of claim 6, wherein the enzyme comprises a protease. ### Claim 8 (depends on 7) The stable anhydrous laundry detergent concentrate formulation of claim 7, wherein the enzyme comprises subtilisin, amylase, mannanase, and cellulase. ### Claim 9 (depends on 8) The stable anhydrous laundry detergent concentrate formulation of claim 8, wherein the formulation further comprises a disintegrant, wherein the disintegrant comprises microcrystalline cellulose. ### Claim 10 (depends on 9) The stable anhydrous laundry detergent concentrate formulation of claim 9, wherein the formulation further comprises a flow aid, wherein the flow aid comprises hydrated silica. ### Claim 11 (depends on 10) The stable anhydrous laundry detergent concentrate formulation of claim 10 wherein the formulation has a pH of about 7.0-9.0 when dissolving in appropriate amount of water. ### Claim 12 (depends on 10) The stable anhydrous laundry detergent concentrate formulation of claim 10, wherein the formulation is in the form of a tablet. ### Claim 13 (depends on 5) The stable anhydrous laundry detergent concentrate formulation of claim 5, wherein the anionic surfactant is selected from sodium coco sulfate and sodium lauryl sulfate, wherein the non-ionic surfactant is selected from ethoxylated alcohol and alkyl polyglucosides. ### Claim 14 (depends on 5) The stable anhydrous laundry detergent concentrate formulation of claim 5, wherein the formulation further comprises a disintegrant, wherein the disintegrant is present in an amount of about 1-10 wt % based on the total weight of the formulation. ### Claim 15 (depends on 14) The stable anhydrous laundry detergent concentrate formulation of claim 14, wherein the disintegrant comprises sodium starch glycolate. ### Claim 16 (depends on 5) The stable anhydrous laundry detergent concentrate formulation of claim 5, wherein the formulation further comprises a filler, wherein the filler comprises sodium silicate. ### Claim 17 A stable anhydrous laundry detergent concentrate formulation in a solid form, comprising an acidic cleaner, a basic cleaner, a surfactant, and an enzyme, wherein the surfactant comprises lauryl glucoside and/or myristyl glucoside, wherein the weight ratio of the enzyme to the surfactant is greater than 1:1, wherein the formulation is polyvinyl alcohol, glycerol, and glycol free, wherein the formulation is fatty acid free and animal fat free, wherein the formulation comprises less than 1% by weight of water based on the weight of the concentrate formulation. ### Claim 18 (depends on 17) The stable anhydrous laundry detergent concentrate formulation of claim 17, wherein the enzyme comprises subtilisin, amylase, mannanase, and cellulase. ### Claim 19 (depends on 18) The stable anhydrous laundry detergent concentrate formulation of claim 18, wherein the formulation further comprises a disintegrant, wherein the disintegrant comprises microcrystalline cellulose. ### Claim 20 (depends on 18) The stable anhydrous laundry detergent concentrate formulation of claim 18, wherein the formulation further comprises a flow aid, wherein the flow aid comprises hydrated silica.