Inventor

DEWALD BERND

DE4 patents

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

CLARIANT GMBH

2 patents

US6017984AJan 25, 2000

Colored cholesteric liquid-crystal polymers having optically variable properties

CLARIANT GMBH11 citations72

US6143379ANov 7, 2000

Polymer laminates having increased hiding power

CLARIANT GMBH13 citations71

HOECHST AG

2 patents

US4235641ANov 25, 1980

Dyeing agent compositions based on polypropylene wax

HOECHST AG16 citations70

US4782111ANov 1, 1988

Colorant formulation

HOECHST AG6 citations61