Inventor

SCHWALB GEORG

DE3 patents

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

CONSORTIUM ELEKTROCHEM IND

2 patents

US6570648B1May 27, 2003

Machine-detectable security marking with an increased level of proof against forgery, production of the security marking, and security system comprising this security marking

CONSORTIUM ELEKTROCHEM IND53 citations90

US6057008AMay 2, 2000

Process for broadening cholesteric reflection bands of photopolymerizable cholesteric liquid crystals, and optical elements produced by this process

CONSORTIUM ELEKTROCHEM IND20 citations87

SICPA HOLDING SA

1 patent

US7401817B2Jul 22, 2008

SCHWALB GEORG

CONSORTIUM ELEKTROCHEM IND

Machine-detectable security marking with an increased level of proof against forgery, production of the security marking, and security system comprising this security marking

Process for broadening cholesteric reflection bands of photopolymerizable cholesteric liquid crystals, and optical elements produced by this process

SICPA HOLDING SA

Invisible, machine-detectable security marking, production of the security marking, and security system comprising this security marking