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RHEINISCHE KAMPFER FABRIK

Overview
  • Total Patents
    60
About

RHEINISCHE KAMPFER FABRIK has a total of 60 patent applications. Its first patent ever was published in 1917. It filed its patents most often in Germany, France and United Kingdom. Its main competitors in its focus markets organic fine chemistry, basic materials chemistry and civil engineering are ARNOLD HOFFMAN AND CO INC, ZHOU YOUCAI and VALLES QUIMICA.

Patent filings in countries

World map showing RHEINISCHE KAMPFER FABRIKs patent filings in countries
# Country Total Patents
#1 Germany 34
#2 France 14
#3 United Kingdom 8
#4 United States 3
#5 Switzerland 1

Patent filings per year

Chart showing RHEINISCHE KAMPFER FABRIKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Schoellkopf Dr Karl 14
#2 Serini Dr Arthur 7
#3 Skraup Dr Siegfried 6
#4 Kathol Dr Josef 3
#5 Steinruck Dr Konrad 3
#6 Siegfried Skraup 2
#7 Schuellkopf Dr Karl 1
#8 Sandkuhl Dr Hermann 1
#9 Otto Hirschler 1
#10 Karl Schollkopf 1

Latest patents

Publication Filing date Title
US1995402A Preparation of aryl-ketones and phenol esters
DE585162C Process for the isolation of eucalyptol from mixtures
US1927136A Production of cresol ethers alkylated in the nucleus
DE621454C Process for the production of ketones
DE563625C Process for the catalytic reduction of ethylene oxide
DE565969C Process for the preparation of phenolic esters
DE529221C Process for the production of 1,8-cineole (eucalyptol)
US1811868A Process for preparing 1,8-cineol
GB319205A A process for the catalytic alkylation of hydrocarbons, alcohols, organic acids and amines
GB317757A Process for obtaining 1.8-cineol (eucalyptol)
DE608622C Process for the production of ketones from secondary alcohols
DE530736C Process for the catalytic arylation of phenols and aromatic amines
DE519447C Process for the production of 1,8-cineol-containing oil mixtures
DE593710C Process for the production of almost pure inactive menthol
DE499732C Process for the production of 1,8-cineole (eucalyptol)
DE511949C Process for the preparation of thymol (3-oxy-1-methyl-4-isopropylbenzene)
DE588824C Process for the preparation of thymol (3-oxy-1-methyl-4-isopropylbenzene)
DE587645C Process for the preparation of thymol (3-oxy-1-methyl-4-isopropylbenzene)
DE483640C Process for the recovery of toluene and propylene from cymene
DE586150C Process for the production of O- or C-propylated (isopropylated) cresols