Klaus Thewalt
6Patents
4h-index
11Co-inventors
50Inventor score
Filing activity: Dec 16, 1976 → Oct 13, 1987
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4289895A | Method for the preparation of oligomeric alkylene terephthalates | Performing Operations; Transporting | 76 | Expired |
| US4138544A | Preparation of polycondensate by one-step melt condensation in a vacuum | Performing Operations; Transporting | 6 | Expired |
| US4448999A | Process for the preparation of 2-aminopropanediol-1,3(serinol) | Chemistry; Metallurgy | 4 | Expired |
| US4791210A | Process for the production of 5-methyltetrazole | Chemistry; Metallurgy | 4 | Expired |
| US4754079A | Process for producing the sodium salt of 2-nitro-1,3-propanediol | Chemistry; Metallurgy | 3 | Expired |
| US4652671A | Process for the preparation of dichloroisonitrilocarboxylic acid esters | Chemistry; Metallurgy | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.