Stabilized drier for alkyd-based compositions
US8937119B2 · kind B2 · utility
1Cited by
3References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 12, 2008 |
| Grant date | Jan 20, 2015 |
| Priority date | — |
| Expiry date | Sep 15, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2531/842
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention relates to a stabilized drying catalyst (‘drier’) for enhancing or accelerating oxidative air-drying of an alkyd-based composition, comprising an inclusion complex of a cyclodextrin and a metal salt of formula (Mx+)k(Rk−)χ, wherein M is a transition or rare earth metal cation with charge x and R is an anion with charge k. The present invention preserves the catalytic activity of a drier, particularly upon addition to an alkyd composition, thus providing a method for stabilizing the drying time of the alkyd composition. A process for preparing the stabilized drier is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.