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KOEPP & CO R CHEM FAB AG

Overview
  • Total Patents
    72
About

KOEPP & CO R CHEM FAB AG has a total of 72 patent applications. Its first patent ever was published in 1932. It filed its patents most often in Germany, France and United Kingdom. Its main competitors in its focus markets organic fine chemistry, machines and environmental technology are HAJEK MILAN, LOOP IND INC and AVANTGARDE SHANGHAI ENVIRONMENTAL TECH CO LTD.

Patent filings in countries

World map showing KOEPP & CO R CHEM FAB AGs patent filings in countries
# Country Total Patents
#1 Germany 25
#2 France 17
#3 United Kingdom 16
#4 Switzerland 7
#5 United States 3
#6 Austria 2
#7 Belgium 1
#8 Denmark 1

Patent filings per year

Chart showing KOEPP & CO R CHEM FAB AGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Koenig Dr-Ing Walter 7
#2 Rudolph Koepp Co Chemische Fab 7
#3 Klapproth Dr Herbert 3
#4 Walter Konig 3
#5 Koenig Walter Dr 2
#6 Dragendorff Dr Otto 2
#7 Klapproth Dr-Ing Herbert 1
#8 Fay Dr Karl 1
#9 Klapproth Herbert Dr 1
#10 Sutter Dr Hermann 1

Latest patents

Publication Filing date Title
GB1243749A Shaped polyurethane articles
GB822446A A process for the production of sponges from polyurethanes
GB820553A Process for the production of anhydrous formic acid and nitrates from calcium formate
DE1017783B Process for the production of sponges with improved properties from polyurethane foams
DE1014322B Process for the production of foams using polyurethane foam waste
DE961532C Process for obtaining pure anhydrous formic acid from its dilute aqueous solutions
DE1010731B Additive in the production of foams from polyesters and diisocyanates
DE962649C Process for the production of foams using polyurethane foam waste
DE957121C Process for the production of anhydrous formic acid from calcium formate and nitric acid
GB769565A Process for recovering concentrated formic acid from its dilute aqueous solutions
DE1015420B Process for the production of oxalic acid from calcium formate
DE962162C Process for the production of concentrated formic acid from its alkali salts
DE1014095B Process for the production of oxalic acid from its alkali salts
DE733708C Process for the finishing of wooden wire
DE749080C Process for the production of tanning solutions
US2268832A Process for softening artificial cellulosic materials
GB481056A A process for the manufacture of artificial threads, sheets, films and like shaped products
GB466326A Improvements in or relating to the manufacture of thin sheets, films and the like products of cellulose formate
US2099812A Manufacture of shaped products impermeable to moisture
US2144703A Manufacture of shaped products impermeable to moisture