Inventor

ESCHER CLAUS

DE33 patents

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

ESCHER CLAUS

HOECHST AG

Process for producing ferroelectric liquid-crystal cells with oleophilic additive employing heat and low pressure overlapped a short time

Use of optically active tetrahydrofuran-2-carboxylic acid esters as dopants in liquid-crystal mixtures, liquid-crystal mixtures containing same and novel optically active tetrahydrofuran-2-carboxylic acid esters

Ferroelectric liquid crystal display having gray steps or a continuous gray scale

Use of compounds or mixtures of compounds which have a chiral, orthogonal, more highly ordered smectic phase in the range of said phase as switching or indicating medium

Electrically conductive polymers and their use as orienting layer in liquid-crystal switching and display elements

Use of complex ligands for ions in ferroelectric liquid-crystal mixtures

Liquid-crystalline mixtures, in particular ferroelectric liquid-crystalline mixtures

Use of liquid-crystal 5-phenylpyrimidine derivatives as components of smectic liquid-crystal mixtures

Liquid-crystal 5-phenylpyrimidine derivatives having sc or sc* phases and a process for preparing them

2-Fluoropyridines, their preparation and their use in liquid crystal mixtures

Cyclopropylaklyl or -alkenyl or heterocyclic compounds, process for their preparation and their use in liquid-crystalline mixtures

Ferroelectric liquid crystal display with liquid crystal mixtures having high spontaneous polarization and short helical pitch and alignment layers containing lipophilic or amphiphilic compounds

Process for producing ferroelectric liquid-crystal cells

Ferroelectric liquid crystal with positive dielectric anisotropy, chevron structure and grey scale

Organosilylalkyl or organosilylalkenyl compounds, process for preparing them and their use in liquid-crystalline mixtures

Ferroelectric liquid crystal mixtures containing lipohilizing, lipophilic or amphiphilic compounds for eliminating ionic impurities

Ferroelectric liquid crystal components having high spontaneous polarization and low helical pitch

Process for the production of an impact-resistant liquid crystal switching and display device

Use of optically active oxirane-2-carboxylic acid esters as dopants in liquid-crystal mixtures, liquid-crystal mixtures containing same and novel optically active oxirane-2-carboxylic acid esters

Electrical addressing of ferroelectric liquid-crystal displays

Derivatives of 3-cyclohexylpropionic acid, and the use thereof in ferroelectric liquid-crystal mixtures

Liquid-crystalline phenylpyrimidinyl cyclohexanecarboxylates having a smectic phase, a process for their preparation, and their use in liquid-crystal mixtures

Ferroelectric liquid-crystalline mixtures

Optically active esters of 5-ethyl- and 5-vinyl-1,3-dioxolane-4-carboxylic acid, their use as doping substances in liquid crystal mixtures and the liquid crystal mixtures containing the new esters

Liquid-crystalline mixtures, in particular ferroelectric liquid-crystalline mixtures

Optically active 1,3-dioxolane derivatives carrying a mesogenic radical in the 4-position, a process for their preparation and their use as doping agents in liquid-crystal mixtures

Ferroelectric liquid-crystal systems having three or more chiral additives with different signs of the helical twist in the cholesteric phase

Chiral alkenylaryl 2,3-epoxyalkyl ethers, and the use thereof in liquid-crystalline mixtures

Use of optically active 1,3-dioxolane-4-carboxylates as dopes in liquid-crystal mixtures, liquid-crystal mixtures containing these compounds, and novel optically active 1,3-dioxolane-4-carboxylates

Pyridylpyrimidines, a process for their preparation and their use in liquid-crystalline mixtures

Optically active carboxylic esters of oxygen-containing heterocycles as doping substances in liquid crystal mixtures and liquid crystal mixtures containing them

DISPLAYTECH INC

High contrast distorted helex effect electro-optic devices and tight ferroelectric pitch ferroelectric liquid crystal compositions useful therein

UNIV LELAND STANFORD JUNIOR

Method of operating a thermal engine powered by a chemical reaction