Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6730793 | Two-photon responsive chromophores containing electron accepting core units | Ramamurthi Kannan, Loon-Seng Tan, Richard A. Vaia | 2004-05-04 |
| 6300502 | Multi-armed chromophores with very large two-photon absorption cross-sections | Ramamurthi Kannan, Loon-Seng Tan | 2001-10-09 |
| 6111641 | Nonlinear spectrophotometer | Anadi Mukherjee, Nandini Mukherjee, Conrad S. Sarvis | 2000-08-29 |
| 6100405 | Benzothiazole-containing two-photon chromophores exhibiting strong frequency upconversion | by Erin D. Reinhardt, administrator, by Jason A. Reinhardt, administrator, Ramamurthi Kannan | 2000-08-08 |
| 5991021 | Nonlinear spectrophotometer | Anadi Mukherjee, Nandini Mukherjee, Conrad S. Sarvis | 1999-11-23 |
| 5859251 | Symmetrical dyes with large two-photon absorption cross-sections | Ramamurthi Kannan, Lawrence L. Brott, Stephen J. Clarson | 1999-01-12 |
| 5770737 | Asymmetrical dyes with large two-photon absorption cross-sections | Jayprakash C. Bhatt, Lawrence L. Brott, Stephen J. Clarson | 1998-06-23 |
| 5594075 | Acetylenic heterocyclic nonlinear optical thermoset monomers | Jayprakash C. Bhatt | 1997-01-14 |
| 4931532 | Method of synthesis of thermoplastic aromatic benzoxazole polymers | — | 1990-06-05 |
| 4871712 | Decyloxy-substituted terephthalic acid compounds and method of synthesis | Marilyn R. Unroe | 1989-10-03 |
| 4731442 | High temperature solvent resistant amorphous thermoplastic phenylethynyl quinoxaline resin composition | Patricia M. Lindley, Fred E. Arnold | 1988-03-15 |
| 4683309 | Phenylquinoxaline resin monomers | Marilyn R. Unroe, Fred E. Arnold | 1987-07-28 |
| 4683340 | Bis(benzilyloxy) compounds | Patricia M. Lindley, Fred E. Arnold | 1987-07-28 |
| 4667002 | Phenylquinoxaline resin compositions | Marilyn R. Unroe, Fred E. Arnold | 1987-05-19 |
| 4547592 | Thermosetting arylether compounds and their synthesis | Fred E. Arnold, Marilyn R. Unroe | 1985-10-15 |
| 4513131 | Thermally stable phenylacetylene terminated arylether resins | Fred E. Arnold, Marilyn R. Unroe | 1985-04-23 |
| 4449001 | Oxy and thioaryl-phenylated aromatic biscyclopentadienones | Fred E. Arnold | 1984-05-15 |
| 4417039 | Cis-enyne aromatic and aromatic heterocyclic polymers | Fred E. Arnold | 1983-11-22 |
| 4400540 | Oxy and thioaryl-phenylated aromatic biscyclopentadienones | Fred E. Arnold | 1983-08-23 |
| 4380619 | Oxy- and thioaryl-phenylated aromatic heterocyclic polymers | Fred E. Arnold | 1983-04-19 |
| 4268654 | Acetylene terminated matrix and adhesive oligomeric compositions | Fred E. Arnold | 1981-05-19 |
| 4263461 | Polyphenyl ether compounds | Fred E. Arnold | 1981-04-21 |
| 4220750 | Thermally stable aromatic enyne polyimides | Fred E. Arnold | 1980-09-02 |