Cleansing composition
US12403084B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 16, 2020 |
| Grant date | Sep 2, 2025 |
| Priority date | — |
| Expiry date | Mar 13, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/594
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
An aqueous, sulphate free shampoo composition for hair and scalp comprising:—a. a pre-formed emulsified silicone; b. a cationic deposition polymer; c. a hair substantive cationic conditioning polymer which is an APTAC polymer having a molecular weight of less than 1 million Daltons, preferably selected from a homopolymer of (3-acrylamidopropyl) trimethyl ammonium chloride and a (3-acrylamidopropyl) trimethyl ammonium chloride/acrylamide copolymer; d. a total amount of anionic surfactant, amphoteric surfactant and zwitterionic surfactant consisting of: (i) from 3 wt % to 13 wt %, by weight of the total composition at 100% activity, of an alpha olefin sulfonate anionic surfactant of general formula (I): R1—CH═CH—CH2—SO3−M+(I) in which R1 is selected from linear or branched alkyl groups having from 11 to 13 carbon atoms and mixtures thereof; and M is a solubilizing cation; (ii) from 1 to 6%, by weight of an amphoteric or zwitterionic surfactant, selected from an alkyl betaine of general formula (II) R2—N+(CH3)2—CH2—COO−M+(II) wherein R2=C12 (Lauryl) or Coco derived; an alkyl hydroxy sultaine of general formula (III), R3—N+(CH3)2—CH2—CH(OH)—CH2—SO3M+(III) wherein R3=C12 (Lauryl) or Coc…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.