EP 0693098 A1 19960124 - OPTICAL MATERIAL
Title (en)
OPTICAL MATERIAL
Title (de)
OPTISCHES MATERIAL
Title (fr)
PREPARATION OPTIQUE
Publication
Application
Priority
- GB 9400664 W 19940330
- GB 9307038 A 19930405
Abstract (en)
[origin: GB2276883A] An optical material comprises laminae of an aligned chiral liquid crystal or chiral liquid crystal polymer (1) which is a solid at room temperature, and a light transmissive medium such as nail vanish (2). The may be constituted by layers of a chiral liquid crystal polymer on flakes of a different material such as a polymer or aluminium. The material may be used in, cosmetics, paints, and inks for security marking documents. <IMAGE>
IPC 1-7
IPC 8 full level
A61K 8/02 (2006.01); A61Q 3/02 (2006.01); B41M 3/14 (2006.01); C09D 7/65 (2018.01); C09D 11/02 (2006.01); C09K 19/00 (2006.01)
CPC (source: EP US)
A61K 8/0295 (2013.01 - EP); A61Q 3/02 (2013.01 - EP); B41M 3/14 (2013.01 - EP); C09D 5/004 (2013.01 - EP); C09D 7/65 (2017.12 - EP US); C09D 7/70 (2017.12 - EP US); C09D 11/037 (2013.01 - EP US); C09K 19/00 (2013.01 - EP); C08L 67/00 (2013.01 - EP); C08L 2205/14 (2013.01 - EP)
Citation (search report)
See references of WO 9422976A1
Designated contracting state (EPC)
CH DE FR GB LI
DOCDB simple family (publication)
GB 2276883 A 19941012; GB 9307038 D0 19930526; AU 6433594 A 19941024; EP 0693098 A1 19960124; WO 9422976 A1 19941013
DOCDB simple family (application)
GB 9307038 A 19930405; AU 6433594 A 19940330; EP 94912013 A 19940330; GB 9400664 W 19940330