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TRETOLITE CO

Overview
  • Total Patents
    117
About

TRETOLITE CO has a total of 117 patent applications. Its first patent ever was published in 1921. It filed its patents most often in United States. Its main competitors in its focus markets basic materials chemistry, machines and organic fine chemistry are SCHUMANN SASOL SOUTH AFRICA PR, VISCO PRODUCTS CO and OCON ERNEST A.

Patent filings in countries

World map showing TRETOLITE COs patent filings in countries
# Country Total Patents
#1 United States 117

Patent filings per year

Chart showing TRETOLITE COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 De Groote Melvin 98
#2 Wirtel Arthur F 32
#3 Bernhard Keiser 31
#4 Monson Louis T 9
#5 Roberts Claudius H M 9
#6 Stehr Charles N 6
#7 Adams Wilbur C 3
#8 Charles Walker John 2
#9 Webster Groves 1
#10 Keiser Edward H 1

Latest patents

Publication Filing date Title
US2077229A Processes for breaking petroleum emulsions
US2085299A Processes for breaking petroleum emulsions
US2085298A Processes for breaking petroleum emulsions
US2081004A Process for breaking petroleum emulsions
US2077746A Process for breaking petroleum emulsions
US2081005A Process for breaking petroleum emulsions
US2087506A Quaternary ammonium salts of high molecular weight acids
US2135909A Process for removing mud sheaths from geological formations
US2079763A Processes for breaking petroleum emulsions
US2077745A Process for breaking petroleum emulsions
US2079764A Process for breaking petroleum emulsions
US2083220A Process for breaking petroleum emulsions
US2079762A Processes for breaking petroleum emulsions
US2078655A Process for breaking petroleum emulsions
US2078654A Process for breaking petroleum emulsions
US2081795A Sulphoaromatic compound of certain higher aliphatic ketones
US2078653A Process for breaking petroleum emulsions
US2078652A Process for breaking petroleum emulsions
US2089035A Process for treating cognate liquids of a well
US2076623A Process for breaking petroleum emulsions