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Norbert Wurms Patents |
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Inventor: Wurms; Norbert
Address: St. Ursen, CH
No. of patents: 6
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 5869588 |
Polymeric compounds derived from 2-hydroxy-phenyl-s-triazines substituted with ethylenically uns |
February 9, 1999 |
| The invention relates to novel 2-hydroxyphenyltriazines and to homopolymers and copolymers obtainable therefrom, as described in greater detail in claims 1 and 5; the novel compounds can be used as UV absorbers in or for organic materials. |
| 5753729 |
Coating compositions stabilized against damage by light, heat, and oxygen |
May 19, 1998 |
| Coatings comprisingA) a binder based on an organic polymer andB) as stabilizer against damage by light, heat and oxygen, a 2-(2'-hydroxyphenyl)-1,3-pyrimidine of the formula I ##STR1## in which the radicals R.sub.1 to R.sup.6 are as defined in claim 1 have an outstanding resistance |
| 5672704 |
2-Hydroxyphenyl-s-Triazines substituted with ethylenically unsaturated moieties |
September 30, 1997 |
| s-Triazine UV absorbers of formula I ##STR1## where R.sub.1 is ##STR2## --CH.sub.2 --C(.dbd.CH.sub.2)--R.sub.10, --(CH.sub.2).sub.p --SiR.sub.11 R.sub.11 '--CH.dbd.CH.sub.2, --C(.dbd.O)--(CH.sub.2).sub.q --CH.dbd.CH.sub.2 or --C(.dbd.O)--O--CH.sub.2 --C(.dbd.CH.sub.2)--R.sub. |
| 5597854 |
Latent light stabilizers |
January 28, 1997 |
| The invention relates to compounds of the formula I ##STR1## in which n is 1 or 2, A is CH or a nitrogen atom, and the other radicals R.sup.1 to R.sup.25 are as defined in claim 1.The compounds of the formula I can advantageously be employed for stabilizing organic material against t |
| 5538840 |
Photographic recording material containing a UV absorber |
July 23, 1996 |
| The invention relates to a photographic recording material comprising, on a base, at least one silver-halide emulsion layer and, if desired, at least one interlayer and/or a protection layer, where at least one of said layers contains a UV absorber of the 2-hydroxyphenyltriazine type, as |
| 5538840 |
Photographic recording material containing a UV absorber |
July 23, 1996 |
| The invention relates to a photographic recording material comprising, on a base, at least one silver-halide emulsion layer and, if desired, at least one interlayer and/or a protection layer, where at least one of said layers contains a UV absorber of the 2-hydroxyphenyltriazine type, as |
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