Candle wax stabilized with piperazindiones
US6562084B2 · kind B2 · utility
5Cited by
25References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 2, 2001 |
| Grant date | May 13, 2003 |
| Priority date | — |
| Expiry date | Apr 2, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L91/06
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
White, dyed, dipped, unscented and/or scented candle wax is effectively stabilized against discoloration and fading by the incorporation therein of a piperazindione in combination with a UV absorber and/or an antioxidant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.