Erwin Brunner
9Patents
6h-index
26Co-inventors
59Inventor score
Filing activity: Apr 7, 1980 → Dec 28, 1995
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4320232A | Process for conjointly preparing methyl tert.-butyl ether and obtaining isobutene | Chemistry; Metallurgy | 25 | Expired |
| US5683553A | Preparation of 3-chlorophthalic anhydride | Chemistry; Metallurgy | 10 | Expired |
| US4287379A | Process for obtaining isobutene from C.sub.4 -hydrocarbon mixtures containing isobutene | Chemistry; Metallurgy | 9 | Expired |
| US5360905A | Recovery of caprolactam from oligomers and/or polymers of caprolactam | Chemistry; Metallurgy | 9 | Expired |
| US5149861A | Recovery of trialkylamines and methyl formate from mixtures obtained in the preparation of trimethylolalkanes | Chemistry; Metallurgy | 9 | Expired |
| US4681946A | Preparation of nicotinamide | Chemistry; Metallurgy | 8 | Expired |
| US5362399A | Removal of water from a phosgene recycle stream | Performing Operations; Transporting | 4 | Expired |
| US5030328A | Method of separating .gamma.-butyrolactone from mixtures containing diethyl succinate | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5419507A | Reel for strip-like recording substrates, in particular for photographic films | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.