Issued Patents All Time
Showing 51–63 of 63 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5272002 | Transparent optical article exhibiting high second order polarization susceptibility and low transmission attenuation | Thomas L. Penner, Nancy J. Armstrong, David Williams, Matthew Ezenyilimba | 1993-12-21 |
| 5247602 | Blue transparent second harmonic generator | Thomas L. Penner, Nancy J. Armstrong, David Williams, Matthew Ezenyilimba | 1993-09-21 |
| 5150446 | Conversion efficiency second harmonic generator | Thomas L. Penner, Nancy J. Armstrong, David Williams | 1992-09-22 |
| 5075043 | Optical article containing a linear condensation polymer exhibiting a high level of second order polarization susceptibility | Craig S. Willand, David Williams | 1991-12-24 |
| 5053478 | Production and processing of thermally stable polyenaminonitriles | James A. Moore | 1991-10-01 |
| 5029979 | Optical article exhibiting a high level of second order polarization susceptibility | Robert James Perry, Edward Joseph Urankar, Jay S. Schildkraut | 1991-07-09 |
| 5008043 | Optical article exhibiting a high level of second order polarization susceptibility | Abraham Ulman, Edward Joseph Urankar, Craig S. Willand | 1991-04-16 |
| 5008369 | Preparation of polysulfones | Abraham Ulman | 1991-04-16 |
| 4966954 | Production and processing of thermally stable polyenaminonitriles and polyaminoquinolines therefrom | James A. Moore | 1990-10-30 |
| 4946235 | Nonlinear optical waveguide device | Michael Scozzafava, Phat T. Dao, Jay S. Schildkraut, Craig S. Willand, David Williams | 1990-08-07 |
| 4900127 | Optical article containing a linear polymer exhibiting a high level of second order polymerization susceptibility | Abraham Ulman, Craig S. Willand | 1990-02-13 |
| 4796971 | Optical article containing a polymeric matrix exhibiting a high level of second order polarization susceptibility | Abraham Ulman, Craig S. Willand | 1989-01-10 |
| 4792208 | Optical article exhibiting a high level of second order polarization susceptibility | Abraham Ulman, David Williams, Thomas L. Penner, Jay S. Schildkraut, Michael Scozzafava +1 more | 1988-12-20 |