Paint stabilizer
US6218451A · kind A · utility
0Cited by
7References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 12, 1998 |
| Grant date | Apr 17, 2001 |
| Priority date | — |
| Expiry date | Oct 12, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D7/48
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to the use of a photoreactive and UV absorbing piperidine compound of the formula A below and of a mixture consisting of this piperidine compound and at least one selected UV absorber as light stabilizers in coating materials, preferably in automotive coating materials. ##STR1## The invention also provides a method of stabilizing coating materials against the degradation of the polymer material present in the coating material, as induced by the action of atmospheric oxygen, heat and/or UV light, and the coating materials themselves that are stabilized in this way.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.