Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5525265 | Liquid crystalline and infrared-sensitive liquid-crystalline polyesters | Paulus Pieter De Wit, John Griffiths | 1996-06-11 |
| 5426143 | Thermochromic infrared dyes | Paulus Pieter De Wit, John Griffiths, Kasali A. Bello | 1995-06-20 |
| 5395910 | Liquid-crystalline polyurethanes, compositions of said liquid-crystalline polyurethanes, and a device for optical data storage comprising a liquid-crystalline polyurethane | Paulus Pieter De Wit, Johan B. Reesink | 1995-03-07 |
| 5001209 | Non-linear optical active diols and polyurethanes prepared therefrom | Carel T. J. Wreesmann, Doetze Jakob Sikkema | 1991-03-19 |
| 4999401 | Linear addition polymer with hyperpolarizable side groups | Carel T. J. Wreesmann | 1991-03-12 |
| 4959448 | Liquid crystalline side-chain polyesters prepared by polycondensation reactions | Carel T. J. Wreesmann | 1990-09-25 |