Stable compact shampoo products with low viscosity and viscosity reducing agent

US11129783B2 · kind B2 · utility

Assignee

• The Procter & Gamble Plaza · US

Inventors

• Jean Jianqun Zhao · Cincinnati, US
• Ioannis Constantine Constantinides · Wyoming, US
• Karl Shiqing Wei · Mason, US
• Peter Herbert Koenig · Montgomery, US
• Howard David Hutton, III · Cincinnati, US
• Robert Wayne Glenn, Jr. · Singapore, SG
• Xiaoru Jenny Wang · Mason, US
• Edward Dewey Smith, III · Mason, US

Key dates

• Filing date: Oct 20, 2017
• Grant date: Sep 28, 2021
• Expiry date: Nov 14, 2037

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K2800/596
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The invention relates stable compact low viscosity hair care compositions comprising: from about 20 weight % to about 45 weight % total surfactant; from about 2 weight % to about 25 weight % branched anionic surfactant with a tail having an alkyl chain with 12 to 18 carbon atoms; from about 5% weight % to about 30 weight % linear anionic surfactant with a tail having an alkyl chain with 12 to 18 carbon atom; from about 0.1 weight % to about 8 weight % of a viscosity reducing agent; from about 40 weight % to about 80 weight % of water; wherein the concentrated shampoo has Ratio of Linear anionic surfactant to Branched anionic surfactant of about 0.3 to about 5, wherein the concentrated shampoo has a viscosity of less than 3000 cP at 26.5° C.