Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10730855 | Electrochromic compounds and optical articles containing them | Claudine Biver, Fabien Berit-Debat, Samuel Archambeau, Stuart Aiken, Bernard Mark Heron +1 more | 2020-08-04 |
| 10563120 | Electrochromic compounds and optical articles containing them | Samuel Archambeau, Claudine Biver, Fabien Berit-Debat, Stuart Aiken, Bernard Mark Heron +1 more | 2020-02-18 |
| 10179768 | Electrochromic two-core viologen derivatives and optical articles containing them | Stuart Aiken, Daniel Luke Crossley, Bernard Mark Heron, Claudine Biver, Samuel Archambeau +1 more | 2019-01-15 |
| 9823534 | Electrochromic single and two-core viologens and optical articles containing them | Stuart Aiken, Bernard Mark Heron, Claudine Biver, Samuel Archambeau, Fabien Berit-Debat +1 more | 2017-11-21 |
| 9249136 | 3H-naphtho [2,1-B] pyrans as photochromic dichroic dyes and optical article containing them | Stuart Aiken, Jean-Paul Cano, Bernard Mark Heron, Tamas Kosa, Linli Su +2 more | 2016-02-02 |
| 8703978 | Photochromic dichroic naphtho-pyrans and optical articles containing them | Stuart Aiken, Bernard Mark Heron, Christopher Stephen Kershaw, Nicola Jane Smith, Jean-Paul Cano | 2014-04-22 |
| 8436184 | 6-(biphenyl-ester)-3H-naphtho[2,1-b]pyrans as photochromic dichroic dyes and optical article containing them | Stuart Aiken, Jean-Paul Cano, Bernard Mark Heron | 2013-05-07 |
| 6387512 | Grey coloring photochromic fused pyrans | David A. Clarke, Bernard Mark Heron, John David Hepworth, Steven Michael Partington, Stephen Nigel Corns | 2002-05-14 |
| 6303673 | Photochromic compounds | David A. Clarke, Bernard Mark Heron, John David Hepworth, Steven Michael Partington, Stephen Nigel Corns | 2001-10-16 |
| 6294112 | Red coloring hyperchromic 3H-naphtho[2,1-B]pyrans | David A. Clarke, Bernard Mark Heron, John David Hepworth, Steven Michael Partington, Stephen Nigel Corns | 2001-09-25 |
| 6248264 | Neutral coloring photochromic 2H-naphtho[1,2-b] pyrans and heterocyclic pyrans | David A. Clarke, Bernard Mark Heron, John David Hepworth, Steven Michael Partington, Stephen Nigel Corns | 2001-06-19 |
| 5623005 | Photochromic naphthopyran compounds | Martin Rickwood, Katharine E. Smith, John David Hepworth | 1997-04-22 |
| 5520853 | Photochromic compounds | Martin Rickwood, Sean D. Marsden, John David Hepworth | 1996-05-28 |
| 5446151 | Photo reactive spiro-benzoxazine compounds | Martin Rickwood, John David Hepworth, Sean D. Marsden | 1995-08-29 |