Back to results
US 12,162,834 B2Granted
Reactive mesogens
AssigneeMerck Patent GmbH
InventorsJack Bradford, Kevin Adlem, Naomi Weare, Vicki Poole, Iain Gardiner
Life of this patent
Estimating the term…
Abstract
Reactive mesogens (RMs), mixtures and formulations comprising RMs, polymers obtained from such RMs and RM mixtures, and the use of the RMs, RM mixtures and polymers in optical or electrooptical components or devices, like optical films for liquid crystal displays (LCDs).
Claims17
One or more compounds selected from the group consisting of:
- wherein
- P is a polymerisable group,
- s denotes an integer from 1 to 7,
- R11 is alkyl, alkoxy, thioalkyl, alkylcarbonyl, alkoxycarbonyl, alkylcarbonyloxy or alkoxycarbonyloxy which is optionally fluorinated, and
- L on each occurrence, identically or differently, denotes —OH, —F, —Cl, or straight-chain alkyl, alkoxy, alkylcarbonyl, alkoxycarbonyl, alkylcarbonyloxy or alkoxycarbonyloxy having 1 to 12 C atoms or branched or cyclic alkyl, alkoxy, alkylcarbonyl, alkoxycarbonyl, alkylcarbonyloxy or alkoxycarbonyloxy having 3 to 12 C atoms, in which, in addition, one or more H atoms may be replaced by F or Cl.
2 more elements
Dependencies are inferred from the claim text.