P

Inventor

BECKMANN STEFAN

DE24 patents
⚠️ This page may combine multiple inventors who share the name “BECKMANN STEFAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BASF AG

19 patents
US5783649AJul 21, 1998

Polymerizable azo dyes with a thiophene structure

BASF AG26 citations92
US5738806AApr 14, 1998

Thienothienylazoanilines in nonlinear optics

BASF AG34 citations92
US5696243ADec 9, 1997

Diphenylamine compounds, polymers prepared therefrom and non-linear optics devices containing the same

BASF AG28 citations92
US5384378AJan 24, 1995

Copolymers with non-linear optical properties and the use thereof

BASF AG34 citations92
US6617470B1Sep 9, 2003

Method for esterifying (meth)acrylic acid with an alkanol

BASF AG14 citations84
US5777089AJul 7, 1998

Phenol derivatives, their preparation and their use, in particular in nonlinear optics

BASF AG10 citations74
US5616678AApr 1, 1997

Azo dyestuff- and urethane-containing polyadduct and its use in nonlinear optics

BASF AG13 citations74
US5549853AAug 27, 1996

Linked azo dyes

BASF AG11 citations74
US5483005AJan 9, 1996

Preparation of polymers with NLO-active side groups and the use thereof

BASF AG8 citations74
US5401612AMar 28, 1995

Polyesters containing nonlinear-optical chromophores, and the use thereof

BASF AG13 citations74
US6086637AJul 11, 2000

Trifluormethylpyridone based indolenine methine dyes

BASF AG6 citations73
US5892046AApr 6, 1999

Methine and azamethine dyes based on trifluoromethylpyridones

BASF AG6 citations62
US5756807AMay 26, 1998

Preparation of alkyl cyanoacetates

BASF AG4 citations62
US5502135AMar 26, 1996

Copolymers based on dicarboximides, alkenyl isocyanates and/or alkenylurethanes

BASF AG2 citations61
US5756753AMay 26, 1998

Methine and azamethine dyes based on naphthoquinones in nonlinear optics

BASF AG1 citations52
US5714616AFeb 3, 1998

Thiazolemethine dyes

BASF AG1 citations52
US5623075AApr 22, 1997

Thiazolemethine dyes

BASF AG1 citations52
US5466812ANov 14, 1995

Preparation of N-aminopyridones

BASF AG1 citations52
US5811370ASep 22, 1998

Azamethine dyes

BASF AG0 citations41

GESERICH FRANK

2 patents

BECKMANN STEFAN

2 patents

MUHL WOLFGANG

1 patent