Patents by Inventor Hossam Hassan Tantawy
Hossam Hassan Tantawy has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20220411719Abstract: A laundry detergent powder including: (a) from 1 wt % to 60 wt % detersive surfactant; and (b) from 40 wt % to 80 wt % citric acid, where the citric acid has a weight average particle size of from 450 ?m to 1000 ?m, and where the composition, upon dilution in deionized water at 20° C. to a concentration of 1 g/l has a pH in the range of from 2.0 to 4.0.Type: ApplicationFiled: June 24, 2022Publication date: December 29, 2022Inventors: Andrew Richard CONSTABLE, Hossam Hassan TANTAWY, Alan Thomas BROOKER, Benjamin Mark HADDRELL, Lindsey HEATHCOTE, Kerry Louise SWABEY
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Patent number: 11505768Abstract: The present invention relates to a process for preparing a spray-dried laundry detergent particle, wherein the process includes the step of contacting water-insoluble silicate salt to monomeric organic carboxylic acid in an aqueous mixture, wherein the aqueous mixture has a pH of 4.2 or less, wherein the aqueous mixture includes detersive surfactant, wherein the aqueous mixture is substantially free of carbonate salt, wherein the water-insoluble silicate salt reacts with the monomeric organic carboxylic acid to form silica, wherein the aqueous mixture is spray-dried to form a spray-dried laundry detergent particle, wherein the particle comprises: detersive surfactant; monomeric organic carboxylic acid; and silica, wherein the particle is substantially free of carbonate salt.Type: GrantFiled: September 28, 2020Date of Patent: November 22, 2022Assignee: The Procter & Gamble CompanyInventors: Jose Rodel Mabilangan Caragay, Hossam Hassan Tantawy
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Publication number: 20220356419Abstract: A water-soluble unit dose article including a water-soluble fibrous non-woven and a method of using the water-soluble unit dose articleType: ApplicationFiled: June 30, 2022Publication date: November 10, 2022Inventors: Timothy BULLIVANT, Nicholas Alexander Jesse McGUCKIN, Helen Amy LANG, Eric San Jose ROBLES, Hossam Hassan TANTAWY
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Publication number: 20220333045Abstract: A process of making a water-soluble unit dose article in which the process does not include a thermoforming step.Type: ApplicationFiled: June 30, 2022Publication date: October 20, 2022Inventors: Timothy BULLIVANT, Nicholas Alexander Jesse McGUCKIN, Helen Amy LANG, Eric San Jose ROBLES, Hossam Hassan TANTAWY
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Publication number: 20220333046Abstract: A water-soluble unit dose article including a water-soluble fibrous non-woven and a method of using the water-soluble unit dose article.Type: ApplicationFiled: June 30, 2022Publication date: October 20, 2022Inventors: Timothy BULLIVANT, Nicholas Alexander Jesse McGUCKIN, Helen Amy LANG, Eric San Jose ROBLES, Hossam Hassan TANTAWY
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Publication number: 20220049194Abstract: The present invention relates to a process for preparing a solid free-flowing particulate laundry detergent composition, wherein the process includes the steps of: (a) forming a mixture by contacting: (i) molten fatty acid; (ii) liquid alkaline ingredient, and (iii) non-ionic surfactant, to obtain a mixture, wherein the mixture includes: (i) partially neutralized fatty acid component; (ii) non-ionic surfactant; and (iii) water, wherein the molar ratio of fatty acid to liquid alkaline ingredient contacted together in step (a) is above 1:1; (b) contacting the mixture obtained in step (a) to a detergent powder to form a solid free-flowing particulate laundry detergent composition, wherein in step (b) the mixture is contacted to the detergent powder by spraying the mixture at a temperature of greater than 50° C. onto the detergent powder, wherein the detergent powder includes a detergent ingredient.Type: ApplicationFiled: October 29, 2021Publication date: February 17, 2022Inventors: Hossam Hassan TANTAWY, Eric San Jose ROBLES, Hossein AHMADIAN, Claire Louise DUCKITT, Paul Anthony GOULD
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Publication number: 20210009929Abstract: The present invention relates to a process for preparing a spray-dried laundry detergent particle, wherein the process includes the step of contacting water-insoluble silicate salt to monomeric organic carboxylic acid in an aqueous mixture, wherein the aqueous mixture has a pH of 4.2 or less, wherein the aqueous mixture includes detersive surfactant, wherein the aqueous mixture is substantially free of carbonate salt, wherein the water-insoluble silicate salt reacts with the monomeric organic carboxylic acid to form silica, wherein the aqueous mixture is spray-dried to form a spray-dried laundry detergent particle, wherein the particle comprises: detersive surfactant; monomeric organic carboxylic acid; and silica, wherein the particle is substantially free of carbonate salt.Type: ApplicationFiled: September 28, 2020Publication date: January 14, 2021Inventors: Jose Rodel Mabilangan CARAGAY, Hossam Hassan TANTAWY
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Patent number: 10676703Abstract: The present invention relates to a process for preparing a spray-dried laundry detergent particle, wherein the process includes the step of contacting zeolite to monomeric organic carboxylic acid in an aqueous mixture, wherein the aqueous mixture has a pH of 4.2 or less, wherein the aqueous mixture includes detersive surfactant, wherein the aqueous mixture is substantially free of silicate salt, and wherein the aqueous mixture is substantially free of carbonate salt, wherein the zeolite reacts with the monomeric organic carboxylic acid to form silica, wherein the aqueous mixture is spray-dried to form a spray-dried laundry detergent particle, wherein the particle includes: detersive surfactant; monomeric organic carboxylic acid; and silica, wherein the particle is substantially free of silicate salt, and wherein the particle is substantially free of carbonate salt.Type: GrantFiled: October 3, 2017Date of Patent: June 9, 2020Assignee: The Procter & Gamble CompanyInventors: Hossam Hassan Tantawy, Jose Rodel Mabilangan Caragay, Eric San Jose Robles
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Patent number: 9957470Abstract: A solid free-flowing particulate laundry detergent composition comprising: (a) from 0.1 wt % to 5 wt % hueing agent particle comprising: (i) from 2 wt % to 10 wt % hueing agent, wherein the hueing agent has the following structure: wherein: R1 and R2 are independently selected from H; alkyl; alkoxy; alkyleneoxy; alkyl capped alkyleneoxy; urea; and amido; R3 is a substituted aryl group; X is a substituted group comprising sulfonamide moiety; and (ii) from 60 wt % to 98 wt % clay; and (b) from 35 wt % to 80 wt % spray-dried particle comprising: (a) from 8 wt % to 24 wt % alkyl benzene sulphonate anionic detersive surfactant; (b) from 5w % to 18 wt % silicate salt; (c) from 0 wt % to 10 wt % sodium carbonate; and (d) from 0 wt % to 5 wt % carboxylate polymer.Type: GrantFiled: March 30, 2016Date of Patent: May 1, 2018Assignee: The Procter & Gamble CompanyInventors: Hossam Hassan Tantawy, Adam Porter, Andre Chieffi, Jill Robyn Dorgan, Anthony McMeekin, Paul Anthony Gould, William Alexander Caufield
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Patent number: 9957466Abstract: A solid free-flowing particulate laundry detergent composition including: (a) from 0.1 wt % to 5 wt % polymer particle comprising: (i) from 70 wt % to 90 wt % co-polymer and (ii) from 10 wt % to 30 wt % salt; and (b) from 35 wt % to 80 wt % spray-dried particle including: (i) from 8 wt % to 24 wt % alkyl benzene sulphonate anionic detersive surfactant; (ii) from 5 w % to 18 wt % silicate salt; (iii) from 0 wt % to 10 wt % sodium carbonate; and (iv) from 0 wt % to 5 wt % carboxylate polymer.Type: GrantFiled: March 30, 2016Date of Patent: May 1, 2018Assignee: The Procter & Gamble CompanyInventors: Hossam Hassan Tantawy, Adam Porter, Andre Chieffi, Jill Robyn Dorgan, Anthony McMeekin, Paul Anthony Gould
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Publication number: 20180094219Abstract: The present invention relates to a solid free flowing particulate laundry detergent composition including: (a) anionic detersive surfactant; (b) wherein the composition is essentially free of zeolite builder; (c) wherein the composition is essentially free of phosphate builder; (d) wherein the composition is essentially free of sodium carbonate; (e) wherein the composition is essentially free of sodium silicate; (f) from about 4 wt % to about 20 wt % organic acid, (g) from about 1 wt % to about 20 wt % sodium percarbonate; (h) from about 0.5 wt % to about 5 wt % bleach activator; and (i) from about 0.5 wt % to about 5 wt % sodium salt of methylglycine diacetic acid (MGDA) chelant, wherein the composition at 1 wt % dilution in deionized water at 20° C., has an equilibrium pH in the range of from about 6.5 to about 9.Type: ApplicationFiled: October 3, 2017Publication date: April 5, 2018Inventors: Andre (NMN) CHIEFFI, Alan Thomas BROOKER, Craig Adam WILKINSON, Linsey Sarah FULLER, Paul Anthony GOULD, Hossam Hassan TANTAWY
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Publication number: 20180094212Abstract: The present invention relates to a solid free flowing particulate laundry detergent composition including: (a) anionic detersive surfactant; (b) wherein the composition is essentially free of zeolite builder; (c) wherein the composition is essentially free of phosphate builder; (d) wherein the composition is essentially free of sodium carbonate; (e) wherein the composition is essentially free of sodium silicate; (f) from about 4 wt % to about 20 wt % organic acid; and (g) hueing agent having the following structure: wherein the index values x and y are independently selected from 1 to 10, wherein the composition at 1 wt % dilution in deionized water at 20° C., has an equilibrium pH in the range of from about 6.5 to about 9.Type: ApplicationFiled: October 3, 2017Publication date: April 5, 2018Inventors: Andre (NMN) CHIEFFI, Alan Thomas BROOKER, Craig Adam WILKINSON, Linsey Sarah FULLER, Paul Anthony GOULD, Hossam Hassan TANTAWY, Benjamin Mark HADDRELL
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Publication number: 20180094228Abstract: The present invention relates to a solid free flowing particulate laundry detergent composition including: (a) anionic detersive surfactant; (b) wherein the composition is essentially free of zeolite builder; (c) wherein the composition is essentially free of phosphate builder; (d) wherein the composition is essentially free of sodium carbonate; (e) wherein the composition is essentially free of sodium silicate; and (f) from about 4 wt % to about 20 wt % organic acid, wherein the composition at 1 wt % dilution in deionized water at 20° C., has an equilibrium pH in the range of from about 6.5 to about 9.Type: ApplicationFiled: October 3, 2017Publication date: April 5, 2018Inventors: Andre (NMN) CHIEFFI, Alan Thomas BROOKER, Craig Adam WILKINSON, Linsey Sarah FULLER, Paul Anthony GOULD, Hossam Hassan TANTAWY, Richard Timothy HARTSHORN, Nigel Patrick SOMERVILLE ROBERTS, Jose Rodel Mabilangan CARAGAY
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Publication number: 20180094221Abstract: The present invention relates to a solid free flowing particulate laundry detergent composition including: (a) anionic detersive surfactant; (b) wherein the composition is essentially free of zeolite builder; (c) wherein the composition is essentially free of phosphate builder; (d) wherein the composition is essentially free of sodium carbonate; (e) wherein the composition is essentially free of sodium silicate; (f) from about 4 wt % to about 20 wt % organic acid, (g) a variant of the wild-type amylase from Bacillus sp. which has at least 90% identity for amino acid sequence SEQ ID NO:5, and which includes one or more mutations at positions N195, G477, G304, W140, W189, D134, V206, Y243, E260, F262, W284, W347, W439, W469 and/or G476, wherein the composition at 1 wt % dilution in deionized water at 20° C., has an equilibrium pH in the range of from about 6.5 to about 9.0.Type: ApplicationFiled: October 3, 2017Publication date: April 5, 2018Inventors: Andre CHIEFFI, Alan Thomas BROOKER, Craig Adam WILKINSON, Linsey Sarah FULLER, Paul Anthony GOULD, Hossam Hassan TANTAWY, Neil Joseph LANT
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Publication number: 20180094226Abstract: The present invention relates to a method of laundering fabric, wherein a detergent composition is contacted with fabric in a main wash, and wherein a fabric softener composition is subsequenty contacted to the fabric in one or more subsequent rinsing steps, wherein the detergent composition is a solid free flowing particulate laundry detergent composition, wherein the composition at 1 wt % dilution in deionized water at 20° C., has an equilibrium pH in the range of from about 6.5 to about 9.0.Type: ApplicationFiled: October 3, 2017Publication date: April 5, 2018Inventors: Andre (NMN) CHIEFFI, Alan Thomas BROOKER, Craig Adam WILKINSON, Linsey Sarah FULLER, Paul Anthony GOULD, Hossam Hassan TANTAWY, Carly (NMN) PICKERING, Phillip Jan HOWARD
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Publication number: 20180094227Abstract: The present invention relates to a spray-dried base detergent particle, wherein the base detergent particle includes (by weight of the base detergent particle): (a) from about 4 wt % to about 35 wt % alkyl benzene sulphonate; (b) wherein the composition is essentially free of zeolite builder; (c) wherein the composition is essentially free of phosphate builder; (d) wherein the composition is essentially free of sodium carbonate; (e) wherein the composition is essentially free of sodium silicate; (f) from about 1 wt % to about 10 wt % organic acid; and (g) from about 1 wt % to about 10 wt % magnesium sulphate, wherein the base detergent particle is a spray-dried particle, wherein the base detergent particle at 1 wt % dilution in deionized water at 20° C., has an equilibrium pH of about 8.5 or less.Type: ApplicationFiled: October 3, 2017Publication date: April 5, 2018Inventors: Hossam Hassan TANTAWY, Jose Rodel Mabilangan CARAGAY, Eric San Jose ROBLES
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Publication number: 20180094224Abstract: The present invention relates to a solid free flowing particulate laundry detergent composition comprising: (a) anionic detersive surfactant; (b) wherein the composition is essentially free of zeolite builder; (c) wherein the composition is essentially free of phosphate builder; (d) wherein the composition is essentially free of sodium carbonate; (e) wherein the composition is essentially free of sodium silicate; (f) from about 4 wt % to about 20 wt % organic acid; and (g) hueing agent selected from Acid Violet 50, Direct Violet 9, 66 and 99, Solvent Violet 13 and any combination thereof, wherein the composition at 1 wt % dilution in deionized water at 20° C., has an equilibrium pH in the range of from about 6.5 to about 9.Type: ApplicationFiled: October 3, 2017Publication date: April 5, 2018Inventors: Andre CHIEFFI, Alan Thomas BROOKER, Craig Adam WILKINSON, Linsey Sarah FULLER, Paul Anthony GOULD, Hossam Hassan TANTAWY
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Publication number: 20180094222Abstract: The present invention relates to a solid free flowing particulate laundry detergent composition including: (a) anionic detersive surfactant; (b) wherein the composition is essentially free of zeolite builder; (c) wherein the composition is essentially free of phosphate builder; (d) wherein the composition is essentially free of sodium carbonate; (e) wherein the composition is essentially free of sodium silicate; (f) from about 4 wt % to about 20 wt % organic acid; and (g) variant of the wild-type amylase from Bacillus sp.Type: ApplicationFiled: October 3, 2017Publication date: April 5, 2018Inventors: Andre CHIEFFI, Alan Thomas BROOKER, Craig Adam WILKINSON, Linsey Sarah FULLER, Paul Anthony GOULD, Hossam Hassan TANTAWY, Neil Joseph LANT
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Publication number: 20180094215Abstract: The present invention relates to a solid free flowing particulate laundry detergent composition including: (a) anionic detersive surfactant; (b) wherein the composition is essentially free of zeolite builder; (c) wherein the composition is essentially free of phosphate builder; (d) wherein the composition is essentially free of sodium carbonate; (e) wherein the composition is essentially free of sodium silicate; (f) from about 4 wt % to about 20 wt % organic acid; and (g) carboxymethyl cellulose (CMC), wherein the composition at 1 wt % dilution in deionized water at 20° C., has an equilibrium pH in the range of from about 6.5 to about 9.Type: ApplicationFiled: October 3, 2017Publication date: April 5, 2018Inventors: Andre CHIEFFI, Alan Thomas BROOKER, Craig Adam WILKINSON, Linsey Sarah FULLER, Paul Anthony GOULD, Hossam Hassan TANTAWY
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Publication number: 20180094210Abstract: The present invention relates to a process for preparing a spray-dried laundry detergent particle, wherein the process includes the step of contacting zeolite to monomeric organic carboxylic acid in an aqueous mixture, wherein the aqueous mixture has a pH of 4.2 or less, wherein the aqueous mixture includes detersive surfactant, wherein the aqueous mixture is substantially free of silicate salt, and wherein the aqueous mixture is substantially free of carbonate salt, wherein the zeolite reacts with the monomeric organic carboxylic acid to form silica, wherein the aqueous mixture is spray-dried to form a spray-dried laundry detergent particle, wherein the particle includes: detersive surfactant; monomeric organic carboxylic acid; and silica, wherein the particle is substantially free of silicate salt, and wherein the particle is substantially free of carbonate salt.Type: ApplicationFiled: October 3, 2017Publication date: April 5, 2018Inventors: Hossam Hassan TANTAWY, Jose Rodel Mabilangan CARAGAY, Eric San Jose ROBLES