Vien V. Toan

Person

Lentigny, CH

People

Patents Grantslast 30 patents

Information Patent Grant
Hydroxyphenyltriazines
- Patent number 5,959,008
- Issue date Sep 28, 1999
- Ciba Specialty Chemicals Corp.
- Jean-Luc Birbaum
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polymeric compounds derived from 2-hydroxy-phenyl-s-triazines subst...
- Patent number 5,869,588
- Issue date Feb 9, 1999
- Ciba Specialty Chemicals Corporation
- Vien Van Toan
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Bisresorcinyltriazines
- Patent number 5,686,233
- Issue date Nov 11, 1997
- Ciba-Geigy Corporation
- Andreas Valet
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2-Hydroxyphenyl-s-Triazines substituted with ethylenically unsatura...
- Patent number 5,672,704
- Issue date Sep 30, 1997
- Ciba-Geigy Corporation
- Vien Van Toan
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Compositions stabilized with red-shifted tris-aryl-s-triazines
- Patent number 5,637,706
- Issue date Jun 10, 1997
- Ciba-Geigy Corporation
- Tyler A. Stevenson
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Red-shifted tris-aryl-s-triazines and compositions stabilized there...
- Patent number 5,556,973
- Issue date Sep 17, 1996
- Ciba-Geigy Corporation
- Tyler A. Stevenson
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Red-shifted tris-aryl-s-triazines and compositions stabilized there...
- Patent number 5,543,518
- Issue date Aug 6, 1996
- Ciba-Geigy Corporation
- Tyler A. Stevenson
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Ink compositions
- Patent number 5,509,957
- Issue date Apr 23, 1996
- Ciba-Geigy Corporation
- Vien V. Toan
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
UV absorbers
- Patent number 5,489,503
- Issue date Feb 6, 1996
- CIBA Geigy Corp.
- Vien V. Toan
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
S-triazine UV absorbers
- Patent number 5,410,048
- Issue date Apr 25, 1995
- Ciba-Geigy Corporation
- David G. Leppard
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Photographic material containing UV absorber
- Patent number 5,300,414
- Issue date Apr 5, 1994
- Ciba-Geigy Corporation
- David G. Leppard
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Inks
- Patent number 5,261,953
- Issue date Nov 16, 1993
- Ciba-Geigy Corporation
- Eric Vieira
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Inks containing a water soluble compound as a stabilizer particular...
- Patent number 5,089,050
- Issue date Feb 18, 1992
- Ciba-Geigy Corporation
- Eric Vieira
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Vien V. Toan

Person

Patents Grantslast 30 patents

Hydroxyphenyltriazines

Polymeric compounds derived from 2-hydroxy-phenyl-s-triazines subst...

Bisresorcinyltriazines

2-Hydroxyphenyl-s-Triazines substituted with ethylenically unsatura...

Compositions stabilized with red-shifted tris-aryl-s-triazines

Red-shifted tris-aryl-s-triazines and compositions stabilized there...

Red-shifted tris-aryl-s-triazines and compositions stabilized there...

Ink compositions

UV absorbers

S-triazine UV absorbers

Photographic material containing UV absorber

Inks

Inks containing a water soluble compound as a stabilizer particular...