Framed neutral pH cleansing bar
US5262079A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 20, 1992 |
| Grant date | Nov 16, 1993 |
| Priority date | — |
| Expiry date | Mar 20, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D1/662
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention provides a firm, ultra mild, neutral pH cleansing bar comprising: from about 5% to about 50% of monocarboxylic acid; wherein from about 20% to about 65% by weight of said monocarboxylic acid is neutralized; from about 20% to about 65% of an anionic and/or nonionic bar firmness aid, and from about 15% to about 55% water by weight of said bar; PA1 wherein said free monocarboxylic acid is from about 35% to about 80% by weight of said mixture of free and neutralized monocarboxylic acid; PA1 wherein said neutral pH is from about 6.3 to about 8.0; PA1 wherein the said neutralized monocarboxylic acid has a cation selected from the group consisting of sodium, magnesium, calcium, aluminum, and mixtures thereof; and PA1 wherein said bar comprises a rigid crystalline phase skeleton structure comprising an interlocking, open three-dimensional mesh of elongated crystals consisting essentially of said monocarboxylic acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.