Heinz-Walter Schneider
32Patents
9h-index
40Co-inventors
75Inventor score
Filing activity: Mar 23, 1977 → May 21, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4454358A | Continuous production of ethanol and plural stage distillation of the same | Emerging Cross-Sectional Technologies | 158 | Expired |
| US4113754A | Isolation and regeneration of rhodium-containing catalysts from distillation residues of hydroformylation reactions | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5882619A | Preparation of a hydrogenation catalyst using M(OR).sub.m X.sub.n | Performing Operations; Transporting | 15 | Expired |
| US4730041A | Preparation of .epsilon.-caprolactams | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4169956A | Manufacture of butanedicarboxylic acid esters | Chemistry; Metallurgy | 12 | Expired |
| US4523027A | Purification of carboxylates containing aldehydes, acetals and/or unsaturated compounds | Chemistry; Metallurgy | 11 | Expired |
| US4360692A | Preparation of formylvalerates | Chemistry; Metallurgy | 10 | Expired |
| US4171451A | Manufacture of butanedicarboxylic acid esters | Chemistry; Metallurgy | 10 | Expired |
| US4529815A | Preparation of 4-pentenoates | Chemistry; Metallurgy | 9 | Expired |
| US4256909A | Preparation of dimethyl butanedicarboxylates | Chemistry; Metallurgy | 8 | Expired |
| US4801738A | Preparation of .delta.-formylvalerates | Chemistry; Metallurgy | 8 | Expired |
| US4259520A | Preparation of butanedicarboxylic acid esters | Chemistry; Metallurgy | 8 | Expired |
| US4550195A | Manufacture of pent-3-enoic acid and its alkyl esters | Chemistry; Metallurgy | 8 | Expired |
| US4745228A | Preparation of cyclic ketones | Chemistry; Metallurgy | 7 | Expired |
| US4258203A | Preparation of butanedicarboxylic acid esters | Chemistry; Metallurgy | 6 | Expired |
| US4766237A | Preparation of 6-aminocaproates | Chemistry; Metallurgy | 6 | Expired |
| US5003102A | Preparation of 5-formylvaleric esters | Chemistry; Metallurgy | 5 | Expired |
| US4586987A | Obtaining C.sub.1 -C.sub.4 -alkyl pentenoates by distillation | Chemistry; Metallurgy | 5 | Expired |
| US4537987A | Preparation of pure monoesters of adipic acid | Chemistry; Metallurgy | 5 | Expired |
| US5496789A | Hydrogenation catalyst based on a platinum metal partially poisoned with finely divided sulfur | Chemistry; Metallurgy | 4 | Expired |
| US7056356B2 | Process for producing crystals | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4310686A | Preparation of butanedicarboxylic esters | Chemistry; Metallurgy | 3 | Expired |
| US5817592A | Process for the preparation of a hydrogenation catalyst | Chemistry; Metallurgy | 2 | Expired |
| US4350572A | Purification of carboxylic acid esters containing aldehydes and/or acetals | Chemistry; Metallurgy | 2 | Expired |
| US4305888A | Manufacture of salts of dicarboxylic acids and diamines | Chemistry; Metallurgy | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.