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STEELE CHEM CO LTD

Overview
  • Total Patents
    28
About

STEELE CHEM CO LTD has a total of 28 patent applications. Its first patent ever was published in 1969. It filed its patents most often in Canada, United States and Germany. Its main competitors in its focus markets organic fine chemistry are VEENENDAALSCHE SAJET EN VIJFSC, AMERICAN SYNTEX INC and ZHEJIANG XIANJU JUNYE PHARMACEUTICAL CO LTD.

Patent filings in countries

World map showing STEELE CHEM CO LTDs patent filings in countries
# Country Total Patents
#1 Canada 8
#2 United States 8
#3 Germany 4
#4 United Kingdom 3
#5 Denmark 1
#6 France 1
#7 Japan 1
#8 Norway 1
#9 Sweden 1

Patent filings per year

Chart showing STEELE CHEM CO LTDs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

# Technology
#1 Steroids

Top inventors

# Name Total Patents
#1 Kruger Gunther 19
#2 Kruger G 4
#3 Giyuntaa Kuruugaa 1

Latest patents

Publication Filing date Title
US4096142A 14,19-Dioxygenated steroid compounds and their 14-dehydro analogs and process for the preparation thereof
US4134891A 14-Functionalized 8,19-oxido steroids and processes for preparation thereof
US4102883A 19,8-Lactone steroid derivatives and processes of preparation thereof
US4097477A Steroid compounds and processes thereof
US4058539A 4,6,8(14)-Triene steroids
CA1090330A 14.beta.-HYDROXY 3-DEOXYCARDENOLIDES
CA1049498A Steroid compounds and processes therefor
US3849402A 19-oxygenated and 19-nor delta8(14)-steroid compounds
CA1046501A 19,8-lactone steroid derivatives and processes of preparation thereof
CA1046500A 14,19-dioxygenated steroid compounds and their 14-dehydro analogs and processes for the preparation thereof
CA1053224A 14-functionalized 8,19-oxido steroids and processes for preparation thereof
CA989387A 19-oxygenated and 19-nor.delta.8(14)-steroids
CA976543A 4,6,8(14)-triene-steroids
CA895860A PROCESS FOR THE PREPARATION OF 3.alpha.-HYDROXY-5.beta.-PREGNAN-20-ONE