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DHW DEUTSCHE HYDRIERWERKE GMBH

Overview
  • Total Patents
    20
About

DHW DEUTSCHE HYDRIERWERKE GMBH has a total of 20 patent applications. Its first patent ever was published in 1985. It filed its patents most often in Germany, EPO (European Patent Office) and India. Its main competitors in its focus markets organic fine chemistry, chemical engineering and basic materials chemistry are SUZHOU BLUEHILL BIOPHARMA CO LTD, ORGANOFUEL SWEDEN AB and FUJIAN GREEN PINE CO LTD.

Patent filings per year

Chart showing DHW DEUTSCHE HYDRIERWERKE GMBHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Konetzke Gerhard 15
#2 Schmidt Klaus 8
#3 Weidemann Frank 7
#4 Wieczorek Frank 6
#5 Schroeter Joerg 5
#6 Seifert Ekkehard 4
#7 Weidemann Reinhold 4
#8 Konetzke Gerhard Dr Rer Nat Di 3
#9 Ballnus Martina 3
#10 Schmidt Klaus Dr Rer Nat Dipl- 2

Latest patents

Publication Filing date Title
EP1630154A1 Process for the production of lightly-coloured primary fatty amines
EP1424319A1 Spray-dried xylitol and process for its production
DE10249336A1 Process for the preparation of spray-dried sorbitol and drying of the sorbitol particles on a downstream fluidized bed and spray-dried sorbitol
EP1191011A1 Process for the preparation of medium and long chain dialkyl ethers
DE10133743C1 Process for the preparation of citric acid esters
DE10063973A1 Preparation of crystalline mannitol, useful e.g. for chewing gum or tablets, involves 2-stage fractional crystallisation of solutions of mannitol and sorbitol, with recycling of impure mannitol from mother liquor to starting solution
DE10044581A1 Process for the preparation of medium or long chain dialkyl ethers
DE10036189A1 Process for the production of sorbitols from standard glucose
DE10014854A1 Process for the esterification of carboxylic acids with alcohols
EP0968993A1 Process for the treatment of natural fatty acids
DE19924760A1 Processes for the treatment of natural fatty acids and their use
DE19810440C1 Process for the production of unsaturated fatty alcohols from lauric oils
DE19612826A1 Process for the production of sorbitol
SI8510641A New triazolopyrimidines and process of their production