Inventor · disambiguated record
Siegfried Peter
Also filed as: PETER SIEGFRIED · PETER SIEGFRIED K · PETER SIEGFRIED K F
24 granted patents·4 pending applications·469 citations·filing 1978–2005
97Inventor score
Top patents by PatentIndex Score
28 records- 0192US6211390B1Method for producing fatty acid estersFiled 1997·Granted Apr 3, 2001·74 cites·27 claims
- 0288US4345976AProcess for separating mixtures of substances of low volatilityPETER SIEGFRIED·Filed 1979·Granted Aug 24, 1982·47 cites·16 claims
- 0387US6933398B2Process for the transesterification of fat and/or oil by means of alcoholysisFiled 2003·Granted Aug 23, 2005·16 cites·25 claims
- 0487US5110509AProcess for the recovery of monoglycerides and diglycerides from a mixture containing monoglycerides, diglycerides, and triglyceridesSIEGFRIED PETER K·Filed 1989·Granted May 5, 1992·38 cites·23 claims
- 0585US6579996B2Process for removing free fatty acids from fats and oils of biological origin or their steam distillatesFiled 2001·Granted Jun 17, 2003·26 cites·22 claims
- 0683US6407306B1Process for extracting carotenes from carotene-containing materialsPETER SIEGFRIED·Filed 2000·Granted Jun 18, 2002·19 cites·21 claims
- 0782US7468450B2Process for the transesterification of fats and oils of biological origin by means of alcoholysis using special carbonic acid saltsPETER SIEGFRIED·Filed 2005·Granted Dec 23, 2008·4 cites·14 claims
- 0882US4581166AMethod for isolating and purifying antibioticsKRUPP GMBH·Filed 1984·Granted Apr 8, 1986·13 cites·7 claims
- 0980US6359157B2Process for the transesterification of fat and/or oil of biological origin by means of alcoholysisFiled 2001·Granted Mar 19, 2002·23 cites·23 claims
- 1076US5210240AProcess for the extraction of oil containing vegetable materialsPETER SIEGFRIED·Filed 1992·Granted May 11, 1993·27 cites·16 claims
- 1172US5837831AMethod for separating alkyl glycosidesGOLDSCHMIDT AG TH·Filed 1996·Granted Nov 17, 1998·25 cites·32 claims
- 1270US5434280AProcess for preparing pure monoglycerides, pure diglycerides and/or pure triglyceridesPETER SIEGFRIED·Filed 1993·Granted Jul 18, 1995·12 cites·37 claims
- 1369US4806228AProcess for producing pitch raw materialsRUETGERSWERKE AG·Filed 1987·Granted Feb 21, 1989·17 cites·20 claims
- 1464US4756818AA method for the production of a carbon fiber precursorRUETGERSWERKE AG·Filed 1987·Granted Jul 12, 1988·16 cites·9 claims
- 1559US4322445AProcess for decaffeinating coffeePETER SIEGFRIED·Filed 1978·Granted Mar 30, 1982·16 cites·4 claims
- 1655US4508543AProcess for the catalytic gasification of solid fluids with steamKRAFTWERK UNION AG·Filed 1979·Granted Apr 2, 1985·6 cites·11 claims
- 1754US5512692AProcess for removing glycerol from glyceridesPETER SIEGFRIED·Filed 1994·Granted Apr 30, 1996·6 cites·18 claims
- 1854US4892718ADecontamination of gases by scrubbingPETER SIEGFRIED·Filed 1986·Granted Jan 9, 1990·19 cites·15 claims
- 1954US4827050AMethod for separation of phenols and bases from coal tar oils by extractionRUETGERSWERKE AG·Filed 1987·Granted May 2, 1989·16 cites·22 claims
- 2053US5597602AProcess for de-oiling crude lecithinPETER SIEGFRIED·Filed 1993·Granted Jan 28, 1997·26 cites·20 claims
- 2148US4543193AProcess for preventing the precipitation of elementary sulphur in riser pipes of probes for natural gasPETER SIEGFRIED·Filed 1983·Granted Sep 24, 1985·14 cites·12 claims
- 2247US2001031282A1Process for the manufacture of a pulverous preparationROCHE VITAMINS INC·Filed 2000·Application pending·0 cites
- 2347US2002086059A1Process for the manufacture of a pulverous preparationROCHE VITAMINS INC·Filed 2001·Application pending·0 cites
- 2445US2001000143A1Process for the manufacture of a pulverous preparationFiled 2000·Application pending·0 cites
- 2542US4871443ANovel method for extraction of salts from coal tar and pitchesRUETGERSWERKE AG·Filed 1989·Granted Oct 3, 1989·4 cites·9 claims
- 2641US2005020843A1Process for the transesterification of fat and/or oil by heterogeneous catalysisFiled 2004·Application pending·0 cites
- 2738US5646258AMethod of synthesizing alkyl glucosidesGOLDSCHMIDT AG M·Filed 1995·Granted Jul 8, 1997·4 cites·13 claims
- 2829US4882139AImproved production of carbon fibersRUETGERSWERKE AG·Filed 1988·Granted Nov 21, 1989·1 cites·7 claims
Join the waitlist — get patent alerts
Get an alert when Siegfried Peter files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →