Karl Duyck
6Patents
2h-index
7Co-inventors
33Inventor score
Filing activity: Dec 5, 2000 → Sep 8, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7144951B2 | Multifunctional viscosity index improver and dispersant | Chemistry; Metallurgy | 10 | Expired |
| US6930183B2 | Alkylated iminodibenzyls as antioxidants | Chemistry; Metallurgy | 3 | Expired |
| US6916767B2 | Antioxidant amines based on n-(4aniliophenyl) amides antioxidant amines based on n-(4-anilinophenyl) amides | Chemistry; Metallurgy | 2 | Expired |
| US7189875B2 | Diphenylamine alkylated with olefin mixtures containing fractions with varying degrees of activity | Chemistry; Metallurgy | 1 | Expired |
| US7816308B2 | Ketone diarylamine condensates | Chemistry; Metallurgy | 1 | Expired |
| US7375061B2 | Antioxidant hydrazides and derivatives thereof having multifunctional activity | Chemistry; Metallurgy | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.