10.13.23
This week, the US Patent & Trademark Office Official Gazette featured several new patents related to research and development conducted by Procter & Gamble’s household care experts.
• combining fabrics with a wash liquor, wherein the fabrics comprise at least one source of malodor and copper ions, where the copper ions are present on the fabrics prior to being combined with the wash liquor, and wherein the wash liquor comprises one or more polyalkyleneamines, and wherein the wash liquor is prepared by diluting a laundry detergent composition in water by a factor of between 100- and 3000-fold;
• washing the fabrics in the wash liquor using an automatic wash operation, a manual wash operation or a mixture thereof; and
• separating the fabrics and the wash liquor from one another.
The laundry detergent composition comprises polyalkyleneamine or salt thereof.
The single use articles are comprised of one or more active agents present in the plurality of consumable single use, water-insoluble articles; and one or more auxiliary ingredients. The single-use, water-insoluble articles disappear during use.
According to the patent, a plurality of water-insoluble articles exhibits an Article Density of less than about 0.80 g/cm3 as measured according to the Density Test Method, and at least one of water-insoluble articles exhibits a Free Melt Flow of more than about 20% as measured according to the Free Melt Flow Test Method.
Reducing Malodors on Fabrics
US Patent No. 11,781,090 B2 (Sherri Lynn Randall, Gregory Scot Miracle, Brian Joseph Loughnane) details a proces that reduces malodors on fabrics. It entails comprising the steps:• combining fabrics with a wash liquor, wherein the fabrics comprise at least one source of malodor and copper ions, where the copper ions are present on the fabrics prior to being combined with the wash liquor, and wherein the wash liquor comprises one or more polyalkyleneamines, and wherein the wash liquor is prepared by diluting a laundry detergent composition in water by a factor of between 100- and 3000-fold;
• washing the fabrics in the wash liquor using an automatic wash operation, a manual wash operation or a mixture thereof; and
• separating the fabrics and the wash liquor from one another.
The laundry detergent composition comprises polyalkyleneamine or salt thereof.
Laundry Additive
US Patent No. 11,781,093 B2 (Sarah Ann Delaney, Sol Melissa Escobar, Renae Dianna Fossum, Mark Robert Sivik), relates t liquid laundry additive composition. This composition contains citric acid; water; perfume and nonionic surfactant. It is substantially free of anionic, cationic, and zwitterionic surfactants. The composition is characterized by a percent transmittance (% T) of at least about 50% of light using a 1 centimeter cuvette, at a wavelength of 410-800 nanometers, where the composition is substantially free of dyes. The composition, which has an acidic pH of from 2 -4, is contained in a transparent container having a transmittance of more than about 25% at a wavelength of from about 410 nm to about 800 nm.Single Use Articles with Active Agents
P&G was also awarded a patent (US Patent No. 11,781,095 B2 - Mark William Hamersky, Mark Robert Sivik, Alessandro Corona, Travis Kyle Hodgdon, Gregory Charles Gordon, Paul Thomas Weisman) for a multi-article sheet product comprising a plurality of consumable, single use, water-insoluble articles. This invention, according to P&G, relates to dryer-added articles and/or washing machine-added articles and/or hair care articles, and more particularly to consumable, single use, water-insoluble articles containing one or more active agents and optionally, one or more auxiliary ingredients.The single use articles are comprised of one or more active agents present in the plurality of consumable single use, water-insoluble articles; and one or more auxiliary ingredients. The single-use, water-insoluble articles disappear during use.
According to the patent, a plurality of water-insoluble articles exhibits an Article Density of less than about 0.80 g/cm3 as measured according to the Density Test Method, and at least one of water-insoluble articles exhibits a Free Melt Flow of more than about 20% as measured according to the Free Melt Flow Test Method.