# US 10,946,112 B1 · Systems and methods for the production of gelled sanitizer compositions under extensional flow conditions > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,946,112 B1 - Document ID: US10946112B1 - Status: Granted - Kind: B1 - Application number: 16/922,738 - Filed: 2020-07-07 - Published: 2021-03-04 - Granted: 2021-03-16 - Earliest claimed: 2019-08-03 - Assignees: PfP Industries, LLC - Applicants: PfP Industries, LLC - Inventors: Asoke Kumar Deysarkar; Michael Joseph Callanan, IV; Robert Ray McDaniel; Brian James Keola DeCaires - Web page: https://patentgrep.com/patent/US10946112B1 ## CPC - A61L 2/186: Peroxide solutions - A61L 2/18: Liquid substances - A61L 2/26: Accessories - B01J 13/0056: {containing inorganic material and water} - B01J 13/0065: {containing an organic phase} - C09K 8/80: Compositions for reinforcing fractures, e.g. compositions of proppants used to keep the fractures open - A61L 2101/00: Chemical composition of materials used in disinfecting, sterilising or deodorising - A61L 2101/02: Inorganic materials - A61L 2101/34: Hydroxy compounds - A61L 2101/46: Macromolecular compounds - A61L: METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES (preservation of bodies or disinfecting characterised by the agents employed A01N; preserving, e.g. sterilising, food or foodstuffs A23; preparations for medical, dental or toiletry purposes A61K) - B01J: CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS - C09K: MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE ## Abstract Methods include producing a gelled sanitizer composition, including preparing a hydrating fluid composition including water and one or more of alcohol and peroxide; preparing a hydratable additive; and combining the hydrating fluid composition and the hydratable additive to produce a gelled composition. Methods also include flowing a hydrating liquid composition in an extensional flow regime through an elongated passageway of an extender, wherein the hydrating liquid composition includes water and a C2-C10 solvent, and a flow rate of the hydrating liquid composition and a diameter of the elongated passageway are sufficient to achieve a Reynolds number of 20,000 or greater; and adding a hydratable additive to the hydrating liquid composition in the elongated passageway to produce a mixture comprising the hydratable additive that is at least partially hydrated. ## Claims ### Claim 1 A method of producing a gelled sanitizer composition, comprising: preparing a hydrating fluid composition comprising water and one or more selected from a group consisting of alcohol and peroxide; preparing a hydratable additive; and combining the hydrating fluid composition and the hydratable additive in an extensional flow regime through an elongated passageway of an extender and a flow rate of the hydrating liquid composition and a diameter of the elongated passageway are sufficient to achieve a Reynolds number of 20,000 or greater to produce a gelled composition. ### Claim 2 (depends on 1) The method of claim 1, wherein the hydratable additive further comprises a humectant. ### Claim 3 (depends on 2) The method of claim 2, wherein the humectant is glycerol. ### Claim 4 (depends on 1) The method of claim 1, wherein the hydrating fluid composition comprises a C2-C10 alcohol. ### Claim 5 (depends on 1) The method of claim 1, wherein the hydrating fluid composition comprises a mixture of ethanol and isopropanol. ### Claim 6 (depends on 1) The method of claim 1, further comprising combining an alcohol with the gelled composition to produce a gelled sanitizer composition. ### Claim 7 A method, comprising: flowing a hydrating liquid composition in an extensional flow regime through an elongated passageway of an extender, wherein the hydrating liquid composition comprises water and a C2-C10 solvent, and a flow rate of the hydrating liquid composition and a diameter of the elongated passageway are sufficient to achieve a Reynolds number of 20,000 or greater; and adding a hydratable additive to the hydrating liquid composition in the elongated passageway to produce a mixture comprising the hydratable additive that is at least partially hydrated. ### Claim 8 (depends on 7) The method of claim 7, wherein the hydratable additive comprises a humectant. ### Claim 9 (depends on 7) The method of claim 7, further comprising prewetting the hydratable additive with a portion of the hydrating liquid composition before introduction of the hydratable additive to the elongated passageway. ### Claim 10 (depends on 7) The method of claim 7, wherein the flow rate of the hydrating liquid composition is at least 50 gallons per minute through the elongated passageway and the diameter of the elongated passageway is 45 mm or less. ### Claim 11 (depends on 7) The method of claim 7, wherein the hydratable additive is present in the gelled composition at a percent by weight (wt %) in a range of 0.2 wt % to 3 wt %. ### Claim 12 (depends on 7) The method of claim 7, wherein the hydratable additive comprises a powder polymer having a water content of 10 wt % or less. ### Claim 13 (depends on 7) The method of claim 7, wherein the hydratable additive comprises a polymer having a weight average molecular weight of 10,000 g/mol to 50,000,000 g/mol. ### Claim 14 A gelled sanitizer composition comprising: a hydratable additive that is at least substantially hydrated, wherein the hydratable additive comprises a polymer and a humectant, wherein the humectant is glycerol and a hydrating liquid composition comprising water and a C2-C10 solvent, wherein the gelled sanitizer composition is produced according to a method comprising: flowing the hydrating liquid composition in a extensional flow regime through an elongated passageway of an extender, wherein a flow rate of the hydrating liquid composition and a diameter of the elongated passageway are sufficient to achieve a Reynolds number of 20,000 or greater; and adding the hydratable additive to the hydrating liquid composition in the elongated passageway to produce a mixture comprising the hydratable additive that is at least partially hydrated. ### Claim 15 (depends on 14) The gelled sanitizer composition of claim 14, wherein the hydrating fluid composition comprises a mixture of ethanol and isopropanol. ### Claim 16 (depends on 14) The gelled sanitizer composition of claim 14, wherein the composition is substantially free of partially hydrated polymer. ### Claim 17 (depends on 14) The gelled sanitizer composition of claim 14, wherein the hydrating fluid composition comprises a peroxide.