Michael Hullmann
10Patents
4h-index
27Co-inventors
56Inventor score
Filing activity: Jun 29, 1988 → Mar 7, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7183438B2 | Catalysts and method for the production of amines | Chemistry; Metallurgy | 21 | Expired |
| US5489694A | Preparation of R/S-.gamma.-lipoic acid or R/S-.alpha.-lipoic acid | Chemistry; Metallurgy | 10 | Expired |
| US6790995B2 | Preparation of primary and secondary amines from nitriles | Chemistry; Metallurgy | 8 | Expired |
| US4879367A | Process for the preparation of aliphatic polycarbonates with alkoxy silane initiator | Chemistry; Metallurgy | 7 | Expired |
| US5747411A | Supported catalysts which are suitable for ammonoxidation | Performing Operations; Transporting | 4 | Expired |
| US5952262A | Preparation of aromatic or heteroaromatic nitriles | Chemistry; Metallurgy | 3 | Expired |
| US5380920A | Preparation of R/S-.gamma.-lipoic acid or R/S-.alpha.-lipoic acid | Chemistry; Metallurgy | 3 | Expired |
| US7105662B2 | Method of producing N-substituted 2,6-dialkylmorpholines | Chemistry; Metallurgy | 2 | Expired |
| US6525223B2 | Preparation of secondary amines from nitriles | Chemistry; Metallurgy | 0 | Expired |
| US4918232A | Process for separating aniline derivatives | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.