Issued Patents All Time
Showing 26–50 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5053339 | Color changing device for monitoring shelf-life of perishable products | — | 1991-10-01 |
| 5049230 | Single step pre-swelling and etching of plastics for plating | Durgadas Bolikal | 1991-09-17 |
| 5045283 | Moving boundary device for monitoring shelf-life of a perishable product | — | 1991-09-03 |
| 5015329 | Pre-swelling and etching of plastics for plating | Durgadas Bolikal, Richard A. Bellemare | 1991-05-14 |
| 4941940 | Pre-swelling and etching of plastics for plating | Durgadas Bolikal, Richard A. Bellemare | 1990-07-17 |
| 4788432 | Radiation monitoring device | — | 1988-11-29 |
| 4699997 | Metal salts of polyacetylenic compounds and uses thereof | Anthony F. Preziosi, Robert G. Denkewalter, Ray H. Baughman | 1987-10-13 |
| 4646674 | Indicator device using metal salts of polyacetylenic compounds | Anthony F. Preziosi, Robert G. Denkewalter, Ray H. Baughman | 1987-03-03 |
| 4550150 | Coloration of acetylenic monomers by gases | Anthony F. Preziosi, Himangshu R. Bhattacharjee, Lester T. C. Lee | 1985-10-29 |
| 4505786 | Pretreatment of plastic materials for metal plating | Albert A. Birkmaier, Gary A. Harpell, Bruce E. Kurtz, Rustom P. Poncha, Adam L. Skovrinski +1 more | 1985-03-19 |
| 4452995 | Dialkoxycarbonylmethyleneurethane diynes | Dawn M. Ivory | 1984-06-05 |
| 4439346 | Polydiacetylene gels | Dawn M. Ivory | 1984-03-27 |
| 4422907 | Pretreatment of plastic materials for metal plating | Albert A. Birkmaier, Gary A. Harpell, Bruce E. Kurtz, Rustom P. Poncha, Adam L. Skovrinski +1 more | 1983-12-27 |
| 4389217 | Integrated time-temperature or radiation-dosage history recording device | Ray H. Baughman, Granville G. Miller | 1983-06-21 |
| 4384980 | Co-crystallized acetylenic compounds | — | 1983-05-24 |
| 4373032 | Metal salts of polyacetylenic compounds and uses thereof as ion exchange and thermochromic polymers | Anthony F. Preziosi, Robert G. Denkewalter, Ray H. Baughman | 1983-02-08 |
| 4339951 | Tempeature measurement and display of indicia using thermochromic polyacetylenes | Kwok C. Yee, Anthony F. Preziosi, Ronald R. Chance, Granville G. Miller, Ray H. Baughman | 1982-07-20 |
| 4339240 | Color changing polyacetylenic compounds | — | 1982-07-13 |
| 4328259 | Process of printing by impact and for marking areas where impact or pressure is applied | Ray H. Baughman | 1982-05-04 |
| 4276190 | Process for monitoring time-temperature histories of perishables utilizing inactive form of diacetylene | — | 1981-06-30 |
| 4242440 | Thermochromic polyacetylenes used in laser beam recording method | Kwok C. Yee, Anthony F. Preziosi, Ronald R. Chance, Granville G. Miller, Ray H. Baughman | 1980-12-30 |
| 4238352 | Co-polymerized acetylenic compositions | — | 1980-12-09 |
| 4235108 | Device for measuring temperature using co-crystallized acetylenic compositions | — | 1980-11-25 |
| 4228126 | Diacetylene time-temperature indicators | Kwok C. Yee | 1980-10-14 |
| 4215208 | Thermochromic polyacetylenes containing urethane groups | Kwok C. Yee, Anthony F. Preziosi, Ronald R. Chance, Granville G. Miller, Ray H. Baughman | 1980-07-29 |