Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4567248 | Branched, high molecular weight, thermoplastic polyarylene ethers containing nitrile groups, and their preparation | Herbert Bender, Peter Neumann | 1986-01-28 |
| 4551493 | Transparent flame-retardant poly(arylether-arylsulfone) molding materials | Volker Muench | 1985-11-05 |
| 4344869 | Preparation of electrically conductive hetero-poly-phenylenes | Herbert Naarmann, Klaus Penzien | 1982-08-17 |
| 4344870 | Preparation of electrically conductive hetero-polyaromatics | Herbert Naarmann, Klaus Penzien | 1982-08-17 |
| 4324881 | Preparation of amide-containing polyethers | Rolf Wurmb, Franz Schmidt | 1982-04-13 |
| 4200727 | Manufacture of polyethers from bisphenols and dihalides in the absence of solvent and in the presence of alkali metal carbonate | Claus Cordes | 1980-04-29 |
| 4200728 | Manufacture of polyethers from bis-(4-hydroxyphenyl)-sulfone and bis-(4-chlorophenyl)-sulfone in N-methylpyrrolidone using an alkali metal carbonate as catalysts | Claus Cordes | 1980-04-29 |