Stable aqueous dispersions of tetraalkylpiperidines
US5030670A · kind A · utility
5Cited by
2References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 6, 1988 |
| Grant date | Jul 9, 1991 |
| Priority date | — |
| Expiry date | Oct 6, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D7/68
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An aqueous dispersion comprising one or more 2,2,6,6-tetraalkylpiperidine compounds having a molecular weight 2000 or less than 2000 and a melting point of 100.degree. C. or more, one or more cationic, non-ionic and/or anionic dispersing agents and an aqueous medium. These dispersions are suitable for use as light stabilizers in aqueous systems.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.