Thomas Wessel
21Patents
6h-index
45Co-inventors
69Inventor score
Filing activity: Aug 23, 1991 → Jan 25, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5391603A | Impact modified syndiotactic vinyl aromatic polymers | Chemistry; Metallurgy | 36 | Expired |
| US6103659A | Catalyst comprising an amidophosphonium salt for halex reactions | Performing Operations; Transporting | 25 | Expired |
| US5412150A | Process for the preparation of methyl 5-bromo-6-methoxy-1-naphthoate | Chemistry; Metallurgy | 22 | Expired |
| US5654493A | Process for preparing 4-bromophenyl alkyl ethers | Chemistry; Metallurgy | 21 | Expired |
| US6465643B1 | Aminophosphonium compounds | Performing Operations; Transporting | 9 | Expired |
| US6645904B2 | Aminophosphonium compounds | Performing Operations; Transporting | 7 | Expired |
| US5124449A | Azaporphyrin derivatives | Chemistry; Metallurgy | 6 | Expired |
| US5889069A | High temperature syndiotactic styrene polymer foam | Chemistry; Metallurgy | 3 | Expired |
| US5424479A | Process for the preparation of aromatic methyl methoxycarboxylates | Chemistry; Metallurgy | 3 | Expired |
| US6166242A | Method for producing compounds containing fluorine, in particular fluorobenzaldhydes and fluorobenzonitriles | Chemistry; Metallurgy | 2 | Expired |
| US6187952A | Two-step production of 3-chloro-4-fluoro-benzoyl chloride by chlorination | Chemistry; Metallurgy | 2 | Expired |
| US8329950B2 | Process for preparation of trans 4-(3,4-Dichlorophenyl)-1,2,3,4-tetrahydro-1Napthalenamine | Chemistry; Metallurgy | 1 | Active |
| US5705674A | Process for preparing ortho-nitrobenzonitriles | Chemistry; Metallurgy | 1 | Expired |
| US6407029B1 | Mixtures comprising tetrakis(pyrrolidino/piperdino)phosphonium salts | Chemistry; Metallurgy | 1 | Expired |
| US7078571B2 | Preparation of 1,3-di-halo-substituted benzene derivatives | Chemistry; Metallurgy | 0 | Expired |
| US7541489B2 | Method of making halophthalic acids and halophthalic anhydrides | Chemistry; Metallurgy | 0 | Expired |
| US6051621A | High temperature syndiotactic styrene polymer foam | Chemistry; Metallurgy | 0 | Expired |
| US6844468B2 | Process for preparing substituted benzoyl chlorides | Chemistry; Metallurgy | 0 | Expired |
| US5886218A | Process for preparing 4, 5-dichloro-2-methylbenzoic acid | Chemistry; Metallurgy | 0 | Expired |
| US6114589A | Process for the preparation of fluorinated aromatic compounds | Chemistry; Metallurgy | 0 | Expired |
| US7732559B2 | Method of making halophthalic acids and halophthalic anhydrides | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.