Wolfgang Holderich
18Patents
6h-index
42Co-inventors
66Inventor score
Filing activity: Sep 11, 1990 → Apr 16, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7396962B1 | Process for dehydrating glycerol to acrolein | Chemistry; Metallurgy | 29 | Expired |
| US5780687A | Process for preparing 3-oxyalkylpropan-1-ols | Chemistry; Metallurgy | 16 | Expired |
| US7655818B2 | Process for dehydrating glycerol to acrolein | Performing Operations; Transporting | 14 | Expired |
| US5821391A | Process for preparing 3-oxyalkylpropan-1-ols | Chemistry; Metallurgy | 13 | Expired |
| US6040262A | Catalyst and use thereof | Performing Operations; Transporting | 13 | Expired |
| US7910771B2 | Method for producing acrylic acid from glycerol | Chemistry; Metallurgy | 10 | Active |
| US6531595B2 | Method for producing &egr;-caprolactam and reactor for the method | Chemistry; Metallurgy | 6 | Expired |
| US5968242A | Colourant-loaded molecular sieve | Chemistry; Metallurgy | 4 | Expired |
| US6051706A | Method of producing .epsilon.-caprolactam | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6229018A | Process for the preparation of nicotinic acid | Chemistry; Metallurgy | 2 | Expired |
| US6482945B2 | Process for producing epsilon-caprolactam and apparatus for the process | Chemistry; Metallurgy | 1 | Expired |
| US5780686A | Process for preparing 4-oxa-amines | Chemistry; Metallurgy | 1 | Expired |
| US5105022A | Preparation of 1,2-dialkoxyethenes | Emerging Cross-Sectional Technologies | 1 | Expired |
| US8921605B2 | Process for preparing pseudoionone | Emerging Cross-Sectional Technologies | 0 | Active |
| US9346819B2 | Method of synthesis of a composition containing at least one internal dehydration product of a hydrogenated sugar by heterogeneous catalysis | Chemistry; Metallurgy | 0 | Active |
| US8536341B2 | Primary allylic alcohol and Ag | Chemistry; Metallurgy | 0 | Active |
| US7893255B2 | Process for the synthesis of lauryllactam (L12) by gas phase catalytic rearrangement of cyclododecanone oxime | Chemistry; Metallurgy | 0 | Active |
| US9676705B2 | Process for the production of nitriles using a catalyst based on antimony and iron | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.