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PETER SIEGFRIED

Overview
  • Total Patents
    142
About

PETER SIEGFRIED has a total of 142 patent applications. Its first patent ever was published in 1971. It filed its patents most often in Germany, EPO (European Patent Office) and Canada. Its main competitors in its focus markets basic materials chemistry, organic fine chemistry and environmental technology are INVENTURE RENEWABLES INC, TWITCHELL ERNST and ENERGEA UMWELTTECHNOLOGIE GMBH.

Patent filings per year

Chart showing PETER SIEGFRIEDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Peter Siegfried 76
#2 Weidner Eckhard 73
#3 Peter Siegfried Prof Dr 33
#4 Drescher Martin 21
#5 Czech Bernd 17
#6 Ganswindt Ruth 16
#7 Neuner Hans-Peter 15
#8 Koenig Wolfgang 9
#9 Ender Ulrich 8
#10 Weidner Eckard 7

Latest patents

Publication Filing date Title
DE102004044660A1 Process for the transesterification of fats and oils of biological origin by alcoholysis using special carbonic acid salts
DE10245806A1 Process for the preparation of fatty acid esters of monohydric alcohols by means of alcoholysis using special basic catalysts
DE10200528A1 Process for the esterification of fat and / or oil by heterogeneous catalysis
DE10132842C1 Transesterification of fats and/or oils by alcoholysis, e.g. for preparation of methyl esters useful as diesel fuel, with addition of alkanol fatty acid ester to give single-phase reaction mixture and high reaction velocity
DE19950593A1 Process for obtaining simple fatty acid esters from fat and / or oil of biological origin
CZ20003557A3 Extraction process of carotenes from materials containing carotenes
MY117045A Process for extracting carotenes from carotene-containing materials
DE19918097A1 Process for removing free fatty acids from fats and oils of biological origin or their damper condensates
DE19821009A1 Extraction of carotenes useful as antioxidants and natural colorants in food
DE19640452A1 Oxidative treatment of waste water
DE19638459A1 Process for cleaning fats and oils of animal or vegetable origin
DE19638460A1 Process for the production of fatty acid esters
DE4440831C1 Process for producing high-percentage, powdered phosphatidylcholines
CA2083723A1 Process for removing sterols from vegetable and animal fat
US5210240A Process for the extraction of oil containing vegetable materials
DE4222153A1 Process for deoiling crude lecithin
DE4210611A1 Process for the separation or enrichment of phosphatidylcholine (PC) from or in a phosphatide mixture by extraction
DE4118487A1 Process for removing glycerin from glycerides
PT95218A Process for the preparation of pure, diglycerid pure and / or triglycerid monoglycerides
DE3930026A1 Mono-glyceride extraction from glyceride mixts.