Peroxygen bleach composition activated by piperidone derivatives
US5755993A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 23, 1996 |
| Grant date | May 26, 1998 |
| Priority date | — |
| Expiry date | Dec 23, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/392
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Bleaching compositions comprising a bleaching compound and an N-acyl-3- or 4-piperidone each preferably present in a range of about 1 to about 75% by weight. Additives, such as, surfactants, anti-foaming agents, fabric softeners, stabilizers, inorganic builder salts, buffers, enzymes and the like may also be present. The compositions can be formulated as dry concentrated mixtures encapsulated or in loose powder form, aqueous solutions, aqueous solutions containing non-aqueous solvents and like forms. The compositions are effective as bleaching agents from below room temperature to higher temperatures, biodegradable and environmentally safe.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.