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171. UK Patent Specification 1555954 'Solutions of Pleochoric Azo Dye in Liquid Crystal Material and Devices Incorporating Such Solutions'

Date:
14 Nov 1979
Extent:
1 item
Reference No:
U DLCR/3/3/4a

172. UK Patent Specification 1555955 'Solutions of Pleochoric Azo Dye in Liquid Crystal Material and Devices Incorporating Such Solutions'

Date:
14 Nov 1979
Extent:
1 item
Reference No:
U DLCR/3/3/4b

173. UK Patent Specification 1587819 'Aromatic Diester Liquid Crystal Materials'

Date:
8 Apr 1981
Extent:
1 item
Reference No:
U DLCR/3/3/13

174. UK Patent Specification 1592147 'Trans-4-Alkylcyclohexane-1-Carboxylic Acid Ester Liquid Crystal Materials'

Date:
1 Jul 1981
Extent:
1 item
Reference No:
U DLCR/3/3/18

175. UK Patent Specification 1592161 'Biphenyl Carboxylic Esters and Their Use as Liquid Crystal Materials'

Date:
1 Jul 1981
Extent:
1 item
Reference No:
U DLCR/3/3/19

176. UK Patent Specification 1596012 'Optically Active Liquid Crystal Materials and Liquid Crystal Devices Containing Them'

Date:
19 Aug 1981
Extent:
1 item
Reference No:
U DLCR/3/3/20

177. UK Patent Specification 1596013 'Optically Active Liquid Crystal Materials and Liquid Crystal Devices Containing Them'

Date:
19 Aug 1981
Extent:
1 item
Reference No:
U DLCR/3/3/21

178. UK Patent Specification 1596014 'Optically Active Liquid Crystal Materials and Liquid Crystal Devices Containing Them'

Date:
19 Aug 1981
Extent:
1 item
Reference No:
U DLCR/3/3/22

179. UK Patent Specification 1603075 'Liquid Crystal Esters Containing Naphthyl Groups'

Date:
18 Nov 1981
Extent:
1 item
Reference No:
U DLCR/3/3/23

180. UK Patent Specification 1603076 'Esters of (+)-4-(2'-Methylbutyl)phenol and Their Use as Liquid Crystal Materials'

Date:
18 Nov 1981
Extent:
1 item
Reference No:
U DLCR/3/3/26