← Back to Patent Explorer
GB1459046A Expired / Lapsed GB ⏱️ 0.0 years remaining

Liquid crystal devices

Assignee: SECR DEFENCE
•
Filing: 1974-03-15
•
Granted: —
•
Expires: 1994-03-15
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract 1459046 Liquid crystal compositions DEFENCE SECRETARY OF STATE FOR 25 March 1975 [15 March 1974] 11607/74 Addition to 1433130 Heading C4X [Also in Division G2] A liquid crystal material comprises a liquid crystal compound as defined in claim 1 of Specification 1,433,130, and a dye dissolved in said compound. The dye molecules are preferably at least twice as long as the liquid crystal compound. The dyes may be dichroic, e.g. #- carotene or pleochroic. The liquid crystal material may be employed in various conventional electro-optical devices.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction GB
Data Source google_patents
Last Synchronized 2026-10-22 23:17
CPC Classifications
C; C09; C09K; C09K19/00; C09K19/52; C09K19/60; C09K19/04; C09K19/06; C09K19/08; C09K19/10; C09K19/12

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Maintenance schedule is calculated for granted US utility patents.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag