Fabric care composition comprising fabric or skin beneficiating ingredient
US6620777B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 27, 2001 |
| Grant date | Sep 16, 2003 |
| Priority date | — |
| Expiry date | Mar 1, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D17/0039
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Stable fabric softening compositions are disclosed comprising:(a) a cationic softening compound;(b) a non-confined fragrance oil;(c) at least one fabric or skin beneficiating ingredient free of any water-insoluble polymer or non-polymeric carrier material and which beneficiating ingredient is contained within friable microcapsules comprising an aminoplast polymeric shell with the proviso that when the beneficiating ingredient is a fragrance oil, the fabric softening composition is prepared by adding sequentially or in combination (i) said non-confined fragrance oil of (b); and (ii) the encapsulated fragrance oil of (c) to said cationic softening compound in the absence of any suspending agent; and(d) balance water whereby the ordinary manipulation of fabric during wearing or handling is capable of rupturing the polymeric shell of said microcapsules to release said fabric or skin beneficiating ingredient.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.