Liquid crystal polymers
US5676878A · kind A · utility
6Cited by
1References
24Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Oct 5, 1995 |
| Grant date | Oct 14, 1997 |
| Priority date | — |
| Expiry date | Oct 5, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2323/02
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A liquid crystal polymer or copolymer is disclosed of structure (A) where X=CN, COR, CO.sub.2 R, CHO, CF.sub.3 ; R=branched chain, straight chain or chiral alkyl; .rect-hollow.=any suitable mesogenic group; Z=single covalent bond, oxygen, sulfur, CO.sub.2 or OCO; n=1 to 20; Y=H, OH, F, OCH.sub.3 ; m=3 to 200; P=a single covalent bond, oxygen, or OCO. ##STR1##
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.