VT

Vien Van Toan

Basf Se: 1 patents #8,065 of 13,826Top 60%
Overall (All Time): #208,948 of 4,157,543Top 6%
21
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10047231 Tris(hydroxyphenyl) triazines Thomas Vogel, Adalbert Braig 2018-08-14
7087753 Naphthyltriazines as stabilizers for organic material Georges Metzger, Thomas Schäfer, Stéphane Biry, Christophe Bulliard, Dieter Reinehr +1 more 2006-08-08
6653484 Polyoxyalkylene substituted and bridged benzotriazole derivatives Andreas Valet, Pascal Hayoz 2003-11-25
6495622 Dimeric light stabilizers for polyolefines and polyolefine copolymers David G. Leppard, Roland A. E. Winter, Michela Bonora 2002-12-17
6472550 Process for the preparation of low chloride stabilizers Ronald Salathe 2002-10-29
6369267 Polyoxyalkylene substituted and bridged triazine, benzotriazole and benzophenone derivatives as UV absorbers Andreas Valet, Pascal Hayoz 2002-04-09
6284821 Hydroxyphenyltriazines Dietmar Huglin, Helmut Luther, Christophe Bulliard, Gerhard Rytz 2001-09-04
6184375 Hydroxyphenyl triazines Dietmar Huglin, Helmut Luther, Christophe Bulliard, Gerhard Rytz 2001-02-06
6013704 Hydroxyphenyltriazines Pascal Hayoz, Andreas Valet 2000-01-11
5869588 Polymeric compounds derived from 2-hydroxy-phenyl-s-triazines substituted with ethylenically unsaturated moieties David G. Leppard, Gerhard Rytz, Norbert Wurms, Pascal Hayoz 1999-02-09
5686233 Bisresorcinyltriazines Andreas Valet, Jean-Luc Birbaum, Walter Knupp 1997-11-11
5672704 2-Hydroxyphenyl-s-Triazines substituted with ethylenically unsaturated moieties David G. Leppard, Gerhard Rytz, Norbert Wurms, Pascal Hayoz 1997-09-30
5637706 Compositions stabilized with red-shifted tris-aryl-s-triazines Tyler A. Stevenson, Ramanathan Ravichandran, Mark S. Holt, Thuy N. Phan, Jean-Luc Birbaum 1997-06-10
5556973 Red-shifted tris-aryl-s-triazines and compositions stabilized therewith Tyler A. Stevenson, Ramanathan Ravichandran, Mark S. Holt, Thuy N. Phan, Jean-Luc Birbaum 1996-09-17
5543518 Red-shifted tris-aryl-s-triazines and compositions stabilized therewith Tyler A. Stevenson, Ramanathan Ravichandran, Mark S. Holt, Thuy N. Phan, Jean-Luc Birbaum 1996-08-06
5509957 Ink compositions Hugh Stephen Laver, David G. Leppard 1996-04-23
5489503 UV absorbers 1996-02-06
5410048 S-triazine UV absorbers David G. Leppard, Mario Slongo 1995-04-25
5300414 Photographic material containing UV absorber David G. Leppard, Mario Slongo 1994-04-05
5261953 Inks Eric Vieira, David G. Leppard, Hugh Stephen Laver 1993-11-16
5089050 Inks containing a water soluble compound as a stabilizer particularly for ink jet printing Eric Vieira, David G. Leppard, Hugh Stephen Laver 1992-02-18