Hydroxyphenyltriazines
US6013704A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 10, 1997 |
| Grant date | Jan 11, 2000 |
| Priority date | — |
| Expiry date | Sep 10, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/3492
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
There are described compounds of formula A wherein PA1 r.sub.1 and r.sub.2 are each independently of the other 0 or 1; PA1 Y.sub.1 to Y.sub.9 are each independently of the others --H, --OH, C.sub.1 -C.sub.20 alkyl, C.sub.4 -C.sub.20 cycloalkyl, C.sub.2 -C.sub.20 -alkenyl, C.sub.1 -C.sub.20 alkoxy, C.sub.4 -C.sub.12 cycloalkoxy, C.sub.2 -C.sub.20 alkenyloxy, C.sub.7 -C.sub.20 aralkyl, halogen, --C.tbd.N, C.sub.1 -C.sub.5 haloalkyl, --SO.sub.2 R', --SO.sub.3 H, --SO.sub.3 M, wherein M is an alkali metal, --COOR', --CONHR', --CONR'R", --OCOOR', --OCOR', --OCONHR', (meth)acrylamino, (meth)-acryloxy, C.sub.6 -C.sub.12 aryl; C.sub.6 -C.sub.12 aryl substituted by C.sub.1 -C.sub.12 alkyl, C.sub.1 -C.sub.12 alkoxy, CN and/or by halogen; C.sub.3 -C.sub.12 heteroaryl; C.sub.3 -C.sub.12 heteroaryl substituted by C.sub.1 -C.sub.12 alkyl, C.sub.1 -C.sub.12 alkoxy, CN and/or by halogen; or Q of formula I, and at least one substituent Y.sub.1 to Y.sub.9 must be Q ##STR1## wherein q is 0 or 1, PA2 R is a cyclic radical and PA2 R.sub.1 and T are as defined in claim 1. The novel compounds are suitable, especially in combination with hindered amines, for the stabilisation of organic material against t…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.