Liquid crystal siloxanes
US5547604A · kind A · utility
13Cited by
8References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 10, 1995 |
| Grant date | Aug 20, 1996 |
| Priority date | — |
| Expiry date | Feb 10, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K19/408
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Siloxane compounds having a smectic liquid crystal phase and the general formula ##STR1## wherein each R=alkyl, alkenyl or aryl, Q represents a monovalent group, for example alkyl, --(CH.sub.2).sub.n OM', a chiral organic group, a dye group, a non-linear optic group or the group --(CH.sub.2).sub.n L, in which L represents a siloxane group, M and M' each represent ##STR2## wherein A is carboxyl, T is CN, F or Cl and p=0 or 1, provided that when T is F or Cl x has a value of at least 2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.