Issued Patents All Time
Showing 151–175 of 175 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5230830 | Cyanohydrin derivatives and their use in liquid crystal materials and devices | Simon Greenfield, Ian C. Sage | 1993-07-27 |
| 5205962 | Pyridine derivatives | Simon Greenfield, Ian C. Sage, Robert William Clemitson, Herbert Plach, Volker Reiffenrath | 1993-04-27 |
| 5204019 | 2,3-difluorobiphenyls | Volker Reiffenrath, Joachim Krause, Andreas Wachtler, Georg Weber, Ulrich Finkenzeller +6 more | 1993-04-20 |
| 5198149 | Smectic liquid-crystal medium | Volker Reiffenrath, Joachim Krause, Andreas Wachtler, Thomas Geelhaar, Ian C. Sage +1 more | 1993-03-30 |
| 5194178 | Chloro tolanes | Simon Greenfield, Mark John Goulding | 1993-03-16 |
| 5190692 | Four ring esters and ethers | Simon Greenfield | 1993-03-02 |
| 5188815 | Thermochromic mixtures | Ian C. Sage, John A. Jenner | 1993-02-23 |
| 5182047 | Fluorinated biphenyldiole derivatives | Ian C. Sage, Simon Greenfield | 1993-01-26 |
| 5167862 | Alpha-hydroxy carboxylic acid derivates suitable for use in liquid crystal materials and devices | Lawrence K. Chan, Peter A. Gemmell, George W. Gray, David Lacey, Kenneth J. Toyne +1 more | 1992-12-01 |
| 5133896 | Cyanohyorin derivatives and their use in liquid crystal materials and devices | Simon Greenfield, Ian C. Sage | 1992-07-28 |
| 5116527 | Display element based on the electroclinic effect | Ian C. Sage, Thomas Geelhaar, Andreas Wachtler | 1992-05-26 |
| 5093026 | Biphenylylethanes | David I. Bishop, Stephen J. Lewis, Simon Greenfield, Eike Poetsch, Volker Meyer +5 more | 1992-03-03 |
| 4923633 | Liquid crystal compounds containing two or more chiral centers | George W. Gray, David Lacey, Kenneth J. Toyne, Adam Jackson, Richard M. Scrowston | 1990-05-08 |
| 4882207 | Ferroelectric liquid crystal cells | Matthew Bone | 1989-11-21 |
| 4852977 | 19 -hydroxy carboxylic acid derivatives suitable for use in liquid crystal materials and devices | Lawrence K. Chan, Peter A. Gemmell, George W. Gray, David Lacey, Kenneth J. Toyne +1 more | 1989-08-01 |
| 4834906 | Smectic A liquid crystal compositions | Anthony Bernard Davey, David I. Bishop, Andrew D. Pearson, Ian C. Sage | 1989-05-30 |
| 4824217 | Compounds for ferroelectric liquid crystal devices | Lawrence K. Chan, Peter A. Gemmell, George W. Gray, David Lacey, Kenneth J. Toyne +4 more | 1989-04-25 |
| 4784793 | Terpenoid derivatives and liquid crystal materials and devices containing them | George W. Gray, David Lacey, Daniel Young, Kenneth J. Toyne, Matthew Bone | 1988-11-15 |
| 4528562 | Co-ordinate addressing of smectic display cells | William Crossland, Peter J. Ayliffe | 1985-07-09 |
| RE31715 | Liquid crystal compounds | George W. Gray, Damien G. McDonnell | 1984-10-30 |
| 4465338 | Dyes for smectic cells | — | 1984-08-14 |
| 4419664 | Co-ordinate addressing of smectic display cells | William Crossland, Peter J. Ayliffe | 1983-12-06 |
| 4411494 | Roughening surfaces for homeotropic layers of smectic LCD's | William Crossland | 1983-10-25 |
| 4291948 | Liquid crystal display incorporating positive and negative smectic material | William Crossland, Joseph H. Morrissy | 1981-09-29 |
| 4195916 | Liquid crystal compounds | George W. Gray, Damien G. McDonnell | 1980-04-01 |