Synergistic ultraviolet absorber compositions containing hydroxy aryl triazines and teraalkyl piperidines
US5461151A · kind A · utility
40Cited by
10References
28Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 18, 1994 |
| Grant date | Oct 24, 1995 |
| Priority date | — |
| Expiry date | Feb 18, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/3492
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A hydroxy group-containing aryl triazine ultraviolet absorber represented by the formula: ##STR1## wherein the R moiety of the OR group is a linear or branched aliphatic alkyl group containing 3 carbon atoms substituted by one or more alkoxy groups of 1 to 12 carbon atoms, said moiety being further substituted by one or more hydroxy groups, and PA0 wherein R.sup.19, R.sup.20, R.sup.21, R.sup.22, R.sup.23, R.sup.24 and R.sup.25 are independently selected from the group consisting of hydrogen, hydroxy, alkyl of 1 to 12 carbon atoms, alkoxy of 1 to 12 carbon atoms, sulfonic, halo, carboxy, haloalkyl and acrylamino.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.