Perfume compositions and methods to mask amine malodors
US6979667B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 14, 2000 |
| Grant date | Dec 27, 2005 |
| Priority date | — |
| Expiry date | Mar 14, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D1/90
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Disclosed are detergent compositions, particularly for manual dishwashing which, by incorporating a combination of anionic surfactants, solvents and certain selected perfume compositions that do not have the maladors associated with certain nitrogenous ingredients such as amines. Also disclosed are the perfume compositions themselves, characterised by 30% to 100% of an odor neutralizer capable of forming a Schiff base when reacted with an amine, said compositions having a pH of from 8.5 to 12.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.