Siegfried Peter
24Patents
9h-index
29Co-inventors
75Inventor score
Filing activity: Aug 14, 1978 → Mar 22, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6211390A | Method for producing fatty acid esters | Chemistry; Metallurgy | 40 | Expired |
| US4345976A | Process for separating mixtures of substances of low volatility | Emerging Cross-Sectional Technologies | 33 | Expired |
| US5110509A | Process for the recovery of monoglycerides and diglycerides from a mixture containing monoglycerides, diglycerides, and triglycerides | Emerging Cross-Sectional Technologies | 31 | Expired |
| US5837831A | Method for separating alkyl glycosides | Emerging Cross-Sectional Technologies | 21 | Expired |
| US5210240A | Process for the extraction of oil containing vegetable materials | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5597602A | Process for de-oiling crude lecithin | Human Necessities | 14 | Expired |
| US4322445A | Process for decaffeinating coffee | Human Necessities | 11 | Expired |
| US6407306B1 | Process for extracting carotenes from carotene-containing materials | Chemistry; Metallurgy | 11 | Expired |
| US4892718A | Decontamination of gases by scrubbing | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6359157B2 | Process for the transesterification of fat and/or oil of biological origin by means of alcoholysis | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6933398B2 | Process for the transesterification of fat and/or oil by means of alcoholysis | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6579996B2 | Process for removing free fatty acids from fats and oils of biological origin or their steam distillates | Chemistry; Metallurgy | 7 | Expired |
| US4543193A | Process for preventing the precipitation of elementary sulphur in riser pipes of probes for natural gas | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5434280A | Process for preparing pure monoglycerides, pure diglycerides and/or pure triglycerides | Chemistry; Metallurgy | 5 | Expired |
| US4806228A | Process for producing pitch raw materials | Performing Operations; Transporting | 5 | Expired |
| US4581166A | Method for isolating and purifying antibiotics | Chemistry; Metallurgy | 5 | Expired |
| US4508543A | Process for the catalytic gasification of solid fluids with steam | Chemistry; Metallurgy | 4 | Expired |
| US4827050A | Method for separation of phenols and bases from coal tar oils by extraction | Chemistry; Metallurgy | 4 | Expired |
| US4756818A | A method for the production of a carbon fiber precursor | Textiles; Paper | 4 | Expired |
| US7468450B2 | Process for the transesterification of fats and oils of biological origin by means of alcoholysis using special carbonic acid salts | Chemistry; Metallurgy | 3 | Expired |
| US5512692A | Process for removing glycerol from glycerides | Chemistry; Metallurgy | 2 | Expired |
| US4882139A | Improved production of carbon fibers | Textiles; Paper | 1 | Expired |
| US5646258A | Method of synthesizing alkyl glucosides | Chemistry; Metallurgy | 1 | Expired |
| US4871443A | Novel method for extraction of salts from coal tar and pitches | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.