Gerhard Schulz
23Patents
10h-index
54Co-inventors
74Inventor score
Filing activity: Oct 21, 1997 → Feb 19, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5958825A | Catalysts for the amination of alkylene oxides, alcohols, aldehydes and ketones | Performing Operations; Transporting | 50 | Expired |
| US5916838A | Catalysts for the amination of alkylene oxides, alcohols, aldehydes and ketones | Performing Operations; Transporting | 26 | Expired |
| US6448457B1 | Method for hydrogenating carbonyl compounds | Chemistry; Metallurgy | 23 | Expired |
| US6187971A | Method for producing polyalcohols | Emerging Cross-Sectional Technologies | 20 | Expired |
| US6187957A | Preparation of amines | Performing Operations; Transporting | 18 | Expired |
| US6207865A | Method for the hydrogenation of carbonyl compounds | Chemistry; Metallurgy | 12 | Expired |
| US6417353B1 | Preparing amines | Chemistry; Metallurgy | 12 | Expired |
| US6469214B2 | Process for the preparation of ethanolamines | Chemistry; Metallurgy | 12 | Expired |
| US6291715A | Process for the preparation of alkanolamines having improved color quality | Chemistry; Metallurgy | 11 | Expired |
| US6323371A | Process for the preparation of alkanolamines having improved color quality | Chemistry; Metallurgy | 11 | Expired |
| US6586642B2 | Color number improvement in polyhydric alcohols by hydrogenation | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6292720A | Trimming process for adapting a simulation system to an automatically controlled reference system | Performing Operations; Transporting | 5 | Expired |
| US6692616B2 | Method for purifying trimethylolpropane, which is produced by hydrogenation, by means of continuous distillation | Chemistry; Metallurgy | 4 | Expired |
| US6586641B2 | Method for the decomposition of high boiling by-products produced in the synthesis of polyhydric alcohols | Chemistry; Metallurgy | 4 | Expired |
| US8044166B2 | Process for preparing pentamethylene 1,5-diisocyanate | Chemistry; Metallurgy | 4 | Active |
| US6046359A | Catalysts for the amination of alkylene oxides, alcohols, aldehydes and ketones | Performing Operations; Transporting | 3 | Expired |
| US6353141B1 | Functionalized cyclopentene-derived oligomer mixtures, their preparation and their use | Chemistry; Metallurgy | 3 | Expired |
| US8193385B2 | Method for producing isocyanates | Chemistry; Metallurgy | 2 | Active |
| US6740726B2 | Polyisocyanates as coating components for coating means rich in solids | Chemistry; Metallurgy | 2 | Expired |
| US7060861B2 | Method for hydrating poly-or monomethylol alkanals | Chemistry; Metallurgy | 2 | Expired |
| US6447870B1 | Optical storage disk blank and method for manufacturing the disk blank | Emerging Cross-Sectional Technologies | 1 | Expired |
| US6809224B2 | Method for the separation of formaldehyde from a reaction mixture containing polyols by the addition of solvents before and/or during the distillation | Chemistry; Metallurgy | 1 | Expired |
| US7997066B2 | Method for monitoring the functionality of the heating of a catalytic converter situated in an exhaust system of an internal combustion engine | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.