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UNICHEM CHEMIKALIEN HANDELS A

Overview
  • Total Patents
    51
About

UNICHEM CHEMIKALIEN HANDELS A has a total of 51 patent applications. Its first patent ever was published in 1929. It filed its patents most often in United States and Germany. Its main competitors in its focus markets organic fine chemistry, machines and basic materials chemistry are CONDEA AUGUSTA SPA, STEPAN CHEMICAL CO and AMERICAN HYALSOL CORP.

Patent filings in countries

World map showing UNICHEM CHEMIKALIEN HANDELS As patent filings in countries
# Country Total Patents
#1 United States 50
#2 Germany 1

Patent filings per year

Chart showing UNICHEM CHEMIKALIEN HANDELS As patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Walther Schrauth 23
#2 Richard Hueter 8
#3 Erik Schirm 8
#4 Peter Friesenhahn 4
#5 Winfrid Hentrich 4
#6 Richard Neu 3
#7 Kurt Stickdorn 2
#8 Heinz-Joachim Engelbrecht 2
#9 Eric Schirm 1
#10 Ernst Helft 1

Latest patents

Publication Filing date Title
US2292997A Cadillary-active sulphonic acid imides
US2292998A Nitrogen substituted sulphimides
US2285100A Process for refining montan wax
US2310074A Treatment bath
US2277325A Sulphonyl halides
US2306439A Process of producing condensation products
US2288702A Capillary active agents
US2310109A Method for production of capillary active media
US2267101A Method to improve the water-solubility of insoluble or insufficiently soluble organic materials
US2176508A Activator for oxygen baths
US2191405A Manufacture of aqueous solutions of phenol, its homologues and derivatives
US2246762A Method for condensation
US2157022A Superfatted soap
US2125656A Method of producing halogenated sulphates and sulphonates
US2015500A Process for preparing wetting agents
US2099651A Plastic material and method of producing the same
US2009345A Emulsifiable waxes
US2086479A Stable emulsion and method of producing the same
US2056104A Treatment of starches
US2050969A Fatty substances soluble in concentrated alkaline baths