Peter Hardt
13Patents
3h-index
15Co-inventors
57Inventor score
Filing activity: Jun 8, 1977 → Jan 30, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4185508A | Motion change transmission | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5443631A | Process for the quaternization of triethanolamine fatty acid esters and imidazolinamides and the use of the reaction mixtures in laundry softener compositions | Textiles; Paper | 5 | Expired |
| US5482636A | Process for the quaternization of triethanolamine fatty acid esters and imidazolinamides and the use of the reaction mixtures in laundry softener compositions | Textiles; Paper | 4 | Expired |
| US5488163A | Process for the production of 4, 4'-(phenylene-diisopropyl)-bis(2, 6-dialkylanilines) | Chemistry; Metallurgy | 2 | Expired |
| US4116968A | Process for the production of 2-vinyl pyridine | Chemistry; Metallurgy | 1 | Expired |
| US7256169B2 | Pulverulent laundry and cleaning detergent ingredient consisting of polycarbosylate and silicate | Chemistry; Metallurgy | 1 | Expired |
| US5734076A | 4,4'-methylene-bis-(3-chloro-2,6-dialkylphenylisocyanates) | Chemistry; Metallurgy | 1 | Expired |
| US4212978A | Process for the catalytic production of 2-substituted pyridines | Chemistry; Metallurgy | 1 | Expired |
| US4703126A | Process for the production of 7-ethyl indole | Chemistry; Metallurgy | 0 | Expired |
| US4196287A | Process for the catalytic production of 2-substituted pyridines | Chemistry; Metallurgy | 0 | Expired |
| US5087745A | Process for the production of gamma-butyrobetaine | Chemistry; Metallurgy | 0 | Expired |
| US5286874A | Process for the production of bismaleinimide derivatives | Chemistry; Metallurgy | 0 | Expired |
| US4511734A | Process for the production of 3,3-dimethylglutaric | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.