Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Process for broadening cholesteric reflection bands of photopolymerizable cholesteric liquid crystals, and optical elements produced by this process

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

US Patent 6057008 · Granted May 2, 2000

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Invisible, machine-detectable security marking, production of the security marki2008
Method of producing platelets2004
Machine-detectable security marking with an increased level of proof against for2003
Thermostable pigments, films and effect coatings, and mixtures for their product2002
Mixture comprising pigments having a liquid-crystalline structure with a chiral 2001
Process for the production of three-dimensionally crosslinked polymeric material2000
Low glass temperature organosiloxanes2000
Liquid-crystal mixtures, process for their preparation and their use1998
Liquid crystalline doristerol-containing organosiloxanes1997
Optical elements having color-selective and polarization-selective reflection co1997
Optical elements having image-forming, color- and polarization-selective reflect1997
Process for the preparation of liquid-crystalline polyorganosiloxanes containing1997