Ralf Pakull
16Patents
6h-index
31Co-inventors
62Inventor score
Filing activity: Jul 30, 1985 → May 15, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5410014A | Method of preparing aliphatic-aromatic polycarbonates | Chemistry; Metallurgy | 33 | Expired |
| US5302774A | Process for the production of bisphenols | Chemistry; Metallurgy | 30 | Expired |
| US5102971A | Soluble polyaromatic compounds | Chemistry; Metallurgy | 29 | Expired |
| US5780690A | Bisphenol synthesis on modified ion-exchange resins using specially purified carbonyl compounds | Chemistry; Metallurgy | 22 | Expired |
| US4861857A | Thermotropic polyesterimide from N-carboxyalkylene trimellitimide having excellent processibility, a process for their production and their use for the production of moldings, filaments, fibers and films | Chemistry; Metallurgy | 11 | Expired |
| US4985532A | Thermotropic polyesters, a process for their production and their use for the production of moldings, filaments and films | Chemistry; Metallurgy | 7 | Expired |
| US5191001A | Process for the production of solventless polycarbonate | Chemistry; Metallurgy | 6 | Expired |
| US5357028A | Method of preparing polycarbonates and polyester carbonates | Chemistry; Metallurgy | 6 | Expired |
| US5545710A | Use of special polycarbonates for the production of optical articles | Physics | 4 | Expired |
| US5420241A | Process for the purification of polycarbonate and polyester carbonate solutions | Chemistry; Metallurgy | 3 | Expired |
| US5084550A | Copolycarbonate from mixture of polyarylene diol | Chemistry; Metallurgy | 3 | Expired |
| US4631333A | Process for the preparation of polyimide esters of trimellitic acid | Chemistry; Metallurgy | 3 | Expired |
| US5408027A | Process for the production of aliphatic-aromatic polycarbonates | Chemistry; Metallurgy | 2 | Expired |
| US4931534A | Thermotropic aromatic polyesters, a process for their production and their use for the production of moldings, filaments, fibers and films | Chemistry; Metallurgy | 2 | Expired |
| USRE36432E | Process for the purification of polycarbonate and polyester carbonate solutions | General | 0 | Expired |
| US5134219A | Stiff-chain polyheterocycles having improved solubility, a process for their production and their use | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.