Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE34085 | Thermoplastic aromatic polyetherketones | Philip A. Staniland | 1992-09-29 |
| 4446294 | Aromatic etherketone/sulphone copolymers | Michael B. Cinderey | 1984-05-01 |
| 4438236 | Compositions of melt-processable polymers having improved processability | Frederic N. Cogswell, Brian P. Griffin | 1984-03-20 |
| 4433083 | Compositions of melt-processable polymers having improved processability | Frederic N. Cogswell, Brian P. Griffin | 1984-02-21 |
| 4433172 | Production of dihydroxy arylophenones | Michael B. Cinderey | 1984-02-21 |
| 4419486 | Sulphonated polyaryletherketones | — | 1983-12-06 |
| 4415720 | Production of aromatic polysulphones | — | 1983-11-15 |
| 4398020 | Production of aromatic polyketones | — | 1983-08-09 |
| 4396755 | Production of aromatic polyketones | — | 1983-08-02 |
| 4386174 | Compositions of melt-processable polymers having improved processability | Frederic N. Cogswell, Brian P. Griffin | 1983-05-31 |
| 4320224 | Thermoplastic aromatic polyetherketones | Philip A. Staniland | 1982-03-16 |
| 4273903 | Sulphonated polyarylethersulphone copolymers | — | 1981-06-16 |
| 4268650 | Sulphonated polyaryletherketones | — | 1981-05-19 |
| 4268635 | Aromatic polymers | Leslie R. J. Hoy | 1981-05-19 |
| 4232142 | Production of polyarylene ether sulphones and ketones | Dennis A. Barr | 1980-11-04 |
| 4205020 | Graft copolymers containing rubber, acrylonitrile and an aromatic olefin | Brian N. Hendy, Carl F. Mathews, Eric Nield, Peter Vincent | 1980-05-27 |
| 4186262 | Aromatic polymers having phenylene groups linked by oxygen atoms, keto groups and sulphone groups | John L. Freeman, Jr. | 1980-01-29 |
| 4181787 | Vinyl halide polymerization process and reactor therefor | Malcolm P. McOnie, Philip D. Roberts, Boris Englin | 1980-01-01 |