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: 20240158725
    Abstract: An example system comprises a water-soluble unit dose article comprising a fibrous non-woven sheet shaped to form a sealed internal compartment and a granular laundry detergent comprised within the internal compartment. The sheet comprises fibres which comprise polyvinyl alcohol polymer. The granular laundry detergent comprises perfume particles. The system also comprises sealing jaws, whereby at least one of the sealing jaws is a heated sealing jaw. A top seal of the internal compartment is sandwiched between the jaws. A first of said jaws comprises a flat portion along a longitudinal direction of the seal. The flat portion has a flat portion width along a direction perpendicular to the longitudinal direction of the seal. The flat portion width has a dimension of more than 3 times and of less than 20 times a thickness of the water-soluble fibrous non-woven sheet.
    Type: Application
    Filed: October 30, 2023
    Publication date: May 16, 2024
    Inventors: Ahmed Ibrahim Sayed AHMED, Fatema Amen Abdelhalem Mohamed BEDER, William Alexander CAUFIELD, Helen Amy LANG, Yara Tarek Mohamed MAHDALLY, Hossam Hassan TANTAWY
  • Publication number: 20240158114
    Abstract: An example system comprises a water-soluble unit dose article comprising a fibrous non-woven sheet shaped to form a sealed internal compartment and a granular laundry detergent comprised within the internal compartment. The sheet comprises fibres which comprise polyvinyl alcohol polymer. The granular laundry detergent comprises perfume particles. The system also comprises sealing jaws, whereby at least one of the sealing jaws is a heated sealing jaw. A top seal of the internal compartment is sandwiched between the jaws. A first of said jaws comprises a protruding portion along a longitudinal direction of the seal. The protruding portion has a base along a direction perpendicular to the longitudinal direction of the seal. The base has a dimension of more than 3 times and of less than 20 times a thickness of the water-soluble fibrous non-woven sheet.
    Type: Application
    Filed: October 30, 2023
    Publication date: May 16, 2024
    Inventors: Ahmed Ibrahim Sayed AHMED, Fatema Amen Abdelhalem Mohamed BEDER, William Alexander CAUFIELD, Helen Amy LANG, Yara Tarek Mohamed MAHDALLY, Hossam Hassan TANTAWY
  • Publication number: 20230374423
    Abstract: A process for making a particulate laundry detergent composition.
    Type: Application
    Filed: May 18, 2023
    Publication date: November 23, 2023
    Inventors: Mark Christopher COOPER, Zoe DYTER, Rebekah Louise GRANGE, Nicholas Alexander Jesse MCGUCKIN, Eric San Jose ROBLES, Hossam Hassan TANTAWY
  • Publication number: 20230323256
    Abstract: A process for making a packaged laundry detergent powder.
    Type: Application
    Filed: June 15, 2023
    Publication date: October 12, 2023
    Inventors: Andrew Richard CONSTABLE, Hossam Hassan TANTAWY, Alan Thomas BROOKER, Benjamin Mark HADDRELL, Lindsey HEATHCOTE, Kerry Louise SWABEY
  • Publication number: 20230323255
    Abstract: Water-soluble unit dose articles that include a water-soluble fibrous non-woven substrate and a particulate treatment composition, the composition including capsules, where the capsules have a shell that includes inorganic material. Related methods of treating a fabric.
    Type: Application
    Filed: April 12, 2022
    Publication date: October 12, 2023
    Inventors: Andre Martim BARROS, Pierre Daniel VERSTRAETE, Mariana B. T. CARDOSO, Hossam Hassan TANTAWY, Ernesto TRIPODI, Dieter Thomas DE HAUW
  • Publication number: 20230265365
    Abstract: A water-soluble unit dose article including a fibrous non-woven sheet and a surfactant system.
    Type: Application
    Filed: February 24, 2023
    Publication date: August 24, 2023
    Inventors: Timothy BULLIVANT, Hossam Hassan TANTAWY
  • Publication number: 20230265360
    Abstract: A water-soluble unit dose article including a fibrous non-woven sheet and a hueing dye particle.
    Type: Application
    Filed: February 24, 2023
    Publication date: August 24, 2023
    Inventors: Timothy BULLIVANT, Hossam Hassan TANTAWY
  • Publication number: 20230145083
    Abstract: A process for making a particulate laundry detergent composition, the process includes the steps: (a) contacting water, starch, acid and perfume to form a concentrated aqueous acidic mixture, the concentrated acidic mixture includes: (i) from about 20 wt % to about 60 wt % starch; (ii) from about 10 wt % to about 50 wt % acid; (ii) from about 2 wt % to about 20 wt % perfume; (iv) from 10 wt % to less than about 45 wt % water; the concentrated acidic mixture has a pH of less than about 4.5; (b) subjecting the concentrated acidic mixture to a perfume emulsification step to emulsify the perfume to form an emulsified perfume mixture in fluid form; and (c) spraying the emulsified perfume mixture in fluid form onto base detergent particles so that the emulsified perfume mixture at least partially coats the base detergent particles to form the particulate laundry detergent composition, the base detergent particles includes from about 4 wt % to about 60 wt % detersive surfactant.
    Type: Application
    Filed: January 5, 2023
    Publication date: May 11, 2023
    Inventors: Joss PREST, Zoe DYTER, Eric San Jose ROBLES, Hossam Hassan TANTAWY
  • 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: 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: 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: 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: 20180094220
    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) phthalocyanine photobleach, 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, Benjamin Mark HADDRELL
  • 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