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).

  • Publication number: 20220411719
    Abstract: 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: Application
    Filed: June 24, 2022
    Publication date: December 29, 2022
    Inventors: Andrew Richard CONSTABLE, Hossam Hassan TANTAWY, Alan Thomas BROOKER, Benjamin Mark HADDRELL, Lindsey HEATHCOTE, Kerry Louise SWABEY
  • Patent number: 11505768
    Abstract: 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: Grant
    Filed: September 28, 2020
    Date of Patent: November 22, 2022
    Assignee: The Procter & Gamble Company
    Inventors: Jose Rodel Mabilangan Caragay, Hossam Hassan Tantawy
  • Publication number: 20220356419
    Abstract: 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: Application
    Filed: June 30, 2022
    Publication date: November 10, 2022
    Inventors: Timothy BULLIVANT, Nicholas Alexander Jesse McGUCKIN, Helen Amy LANG, Eric San Jose ROBLES, Hossam Hassan TANTAWY
  • Publication number: 20220333045
    Abstract: A process of making a water-soluble unit dose article in which the process does not include a thermoforming step.
    Type: Application
    Filed: June 30, 2022
    Publication date: October 20, 2022
    Inventors: Timothy BULLIVANT, Nicholas Alexander Jesse McGUCKIN, Helen Amy LANG, Eric San Jose ROBLES, Hossam Hassan TANTAWY
  • Publication number: 20220333046
    Abstract: 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: Application
    Filed: June 30, 2022
    Publication date: October 20, 2022
    Inventors: Timothy BULLIVANT, Nicholas Alexander Jesse McGUCKIN, Helen Amy LANG, Eric San Jose ROBLES, Hossam Hassan TANTAWY
  • Publication number: 20220049194
    Abstract: 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: Application
    Filed: October 29, 2021
    Publication date: February 17, 2022
    Inventors: Hossam Hassan TANTAWY, Eric San Jose ROBLES, Hossein AHMADIAN, Claire Louise DUCKITT, Paul Anthony GOULD
  • Publication number: 20210009929
    Abstract: 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: Application
    Filed: September 28, 2020
    Publication date: January 14, 2021
    Inventors: Jose Rodel Mabilangan CARAGAY, Hossam Hassan TANTAWY
  • Patent number: 10676703
    Abstract: 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: Grant
    Filed: October 3, 2017
    Date of Patent: June 9, 2020
    Assignee: The Procter & Gamble Company
    Inventors: Hossam Hassan Tantawy, Jose Rodel Mabilangan Caragay, Eric San Jose Robles
  • Patent number: 9957470
    Abstract: 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: Grant
    Filed: March 30, 2016
    Date of Patent: May 1, 2018
    Assignee: The Procter & Gamble Company
    Inventors: Hossam Hassan Tantawy, Adam Porter, Andre Chieffi, Jill Robyn Dorgan, Anthony McMeekin, Paul Anthony Gould, William Alexander Caufield
  • Patent number: 9957466
    Abstract: 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: Grant
    Filed: March 30, 2016
    Date of Patent: May 1, 2018
    Assignee: The Procter & Gamble Company
    Inventors: Hossam Hassan Tantawy, Adam Porter, Andre Chieffi, Jill Robyn Dorgan, Anthony McMeekin, Paul Anthony Gould
  • Publication number: 20180094219
    Abstract: 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: Application
    Filed: October 3, 2017
    Publication date: April 5, 2018
    Inventors: Andre (NMN) CHIEFFI, Alan Thomas BROOKER, Craig Adam WILKINSON, Linsey Sarah FULLER, Paul Anthony GOULD, Hossam Hassan TANTAWY
  • Publication number: 20180094212
    Abstract: 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: Application
    Filed: October 3, 2017
    Publication date: April 5, 2018
    Inventors: Andre (NMN) CHIEFFI, Alan Thomas BROOKER, Craig Adam WILKINSON, Linsey Sarah FULLER, Paul Anthony GOULD, Hossam Hassan TANTAWY, Benjamin Mark HADDRELL
  • Publication number: 20180094228
    Abstract: 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: Application
    Filed: October 3, 2017
    Publication date: April 5, 2018
    Inventors: 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
  • Publication number: 20180094221
    Abstract: 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: Application
    Filed: October 3, 2017
    Publication date: April 5, 2018
    Inventors: Andre CHIEFFI, Alan Thomas BROOKER, Craig Adam WILKINSON, Linsey Sarah FULLER, Paul Anthony GOULD, Hossam Hassan TANTAWY, Neil Joseph LANT
  • Publication number: 20180094226
    Abstract: 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: Application
    Filed: October 3, 2017
    Publication date: April 5, 2018
    Inventors: Andre (NMN) CHIEFFI, Alan Thomas BROOKER, Craig Adam WILKINSON, Linsey Sarah FULLER, Paul Anthony GOULD, Hossam Hassan TANTAWY, Carly (NMN) PICKERING, Phillip Jan HOWARD
  • Publication number: 20180094227
    Abstract: 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: Application
    Filed: October 3, 2017
    Publication date: April 5, 2018
    Inventors: Hossam Hassan TANTAWY, Jose Rodel Mabilangan CARAGAY, Eric San Jose ROBLES
  • Publication number: 20180094224
    Abstract: 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: Application
    Filed: October 3, 2017
    Publication date: April 5, 2018
    Inventors: Andre CHIEFFI, Alan Thomas BROOKER, Craig Adam WILKINSON, Linsey Sarah FULLER, Paul Anthony GOULD, Hossam Hassan TANTAWY
  • Publication number: 20180094222
    Abstract: 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: Application
    Filed: October 3, 2017
    Publication date: April 5, 2018
    Inventors: Andre CHIEFFI, Alan Thomas BROOKER, Craig Adam WILKINSON, Linsey Sarah FULLER, Paul Anthony GOULD, Hossam Hassan TANTAWY, Neil Joseph LANT
  • Publication number: 20180094215
    Abstract: 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: Application
    Filed: October 3, 2017
    Publication date: April 5, 2018
    Inventors: Andre CHIEFFI, Alan Thomas BROOKER, Craig Adam WILKINSON, Linsey Sarah FULLER, Paul Anthony GOULD, Hossam Hassan TANTAWY
  • Publication number: 20180094210
    Abstract: 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: Application
    Filed: October 3, 2017
    Publication date: April 5, 2018
    Inventors: Hossam Hassan TANTAWY, Jose Rodel Mabilangan CARAGAY, Eric San Jose ROBLES