Willibald Serrand
13Patents
6h-index
19Co-inventors
59Inventor score
Filing activity: Mar 8, 1989 → Oct 29, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5714663A | Process for obtaining significant olefin yields from residua feedstocks | Chemistry; Metallurgy | 45 | Expired |
| US5348642A | Catalytic cracking process with circulation of hot, regenerated catalyst to the stripping zone | Chemistry; Metallurgy | 37 | Expired |
| US5365006A | Process and apparatus for dehydrogenating alkanes | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5952539A | Dual process for obtaining olefins | Chemistry; Metallurgy | 13 | Expired |
| US6179993A | Process for obtaining olefins from residual feedstocks | Chemistry; Metallurgy | 12 | Expired |
| US5023069A | Process for removing sulfur moieties from Claus tail-gas | Chemistry; Metallurgy | 7 | Expired |
| US5658455A | Fluidized bed coking process | Chemistry; Metallurgy | 6 | Expired |
| US5714056A | Process for deasphalting residua (HEN9511) | Chemistry; Metallurgy | 6 | Expired |
| US6352638B2 | Two-stage process for converting residua to gasoline blendstocks and light olefins | Chemistry; Metallurgy | 3 | Expired |
| US5919352A | Integrated residua upgrading and fluid catalytic cracking | Chemistry; Metallurgy | 2 | Expired |
| US5879536A | Two-stage process for obtaining significant olefin yields from residua feedstocks | Chemistry; Metallurgy | 1 | Expired |
| US5879535A | Two-stage process for obtaining significant olefin yields from residua feedstocks | Chemistry; Metallurgy | 1 | Expired |
| US6652739B2 | Process for deasphalting residua by reactive recycle of high boiling material | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.