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COWLES CHEM CO

Overview
  • Total Patents
    84
About

COWLES CHEM CO has a total of 84 patent applications. Its first patent ever was published in 1948. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets organic fine chemistry, surface technology and coating and materials and metallurgy are DEHYDAG GMBH, KENVERT INT CORP and PMD CHEMICALS LTD.

Patent filings in countries

World map showing COWLES CHEM COs patent filings in countries

Patent filings per year

Chart showing COWLES CHEM COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Macmullen Clinton W 11
#2 Shaver Richard C 5
#3 Marzocchi Alfred 5
#4 Edwin Cowles 3
#5 Chaberek Stanley 3
#6 Alfred Marzocchi 3
#7 Titus Robert L 3
#8 Irwin Joseph T 2
#9 Pless James Albert Von 2
#10 Chaberek S 2

Latest patents

Publication Filing date Title
US3574100A Water-soluble lubricating agents for continuously moving conveyor systems
US3607920A Process for the preparation of high purity isomers of toluic acid
ES341228A3 Procedure for the manufacture of powder free agglomerates, alkaline metallic silicates. (Machine-translation by Google Translate, not legally binding)
CH504410A Preparation of nitrilotriacetonitrile from ammonia - formaldehyde and hydrogen cyanide intermediate for
GB1169043A Brighteners for Cyanide Zinc Electroplating Baths
US3457124A Chromate conversion coatings
GB1107198A Plating brighteners and electrolytes
US3471253A Process for producing sodium metasilicate pentahydrate
GB1108590A Process of protecting metal surfaces and compositions therefor
GB1082148A Thioltriazine salt compounds
GB1082149A Cyanide plating baths and processes
US3226180A Process of conditioning metal surfaces and compositions therefor
US3306831A Electroplating electrolytes
GB993226A Composition and process for cleaning metal surfaces
US3285859A Alkali metal silicates and method for producing the same
US3296101A Cyanide electroplating baths and processes
US3267098A Thioltriazine salt compounds
US3274080A Brighteners and process for cyanide zinc electrodeposition
US3247120A Composition and process for cleaning metal surfaces
US3106484A Metal treating