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NOPCO CHEM CO

Overview
  • Total Patents
    487
About

NOPCO CHEM CO has a total of 487 patent applications. Its first patent ever was published in 1941. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets organic fine chemistry, macromolecular chemistry and polymers and machines are ARMOUR IND CHEM CO, AUSIMONT SPA and MONSANTO CHEMICALS.

Patent filings in countries

World map showing NOPCO CHEM COs patent filings in countries
# Country Total Patents
#1 United States 227
#2 Canada 99
#3 United Kingdom 69
#4 France 48
#5 Germany 18
#6 Denmark 8
#7 Belgium 6
#8 Spain 6
#9 Switzerland 4
#10 Sweden 2

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Klein Howard C 42
#2 Fetscher Charles A 26
#3 Roland Kapp 25
#4 Lighthipe Charles H 18
#5 Licata Francis J 18
#6 Buxton Loran O 13
#7 Dombrow Bernard A 12
#8 Hochberg Melvin 12
#9 Joseph Cunder 11
#10 Ihde Jr Frederick J 11

Latest patents

Publication Filing date Title
US3489723A Two-component castable polyurethane elastomer composition and use
US3317556A Amphoteric alpha-sulfo-imidazolines
US3334118A Process for obtaining purified crystalline vitamin d
US3262811A Treatments of porous and fibrous substrates
US3300446A Amphoteric resins prepared by condensing alkali metal salts of sulfomethyl dicyandiamide with formaldehyde
US3336222A Cotton treating compositions
US3355298A Process of making chemically acidified sour cream type products
US3340066A Process of making buttermilk by direct acidification
GB1047037A Treatment of textile fibres and polymeric sheet materials
GB1018344A Cationic resin complexes,their production and uses
US3317480A Adducts of isocyanates and aromatic anhydride carboxylic acids
US3350374A Methods for preparing polymers of hydroxytetrazole compounds and polymers of hydrazide oxime compounds, and products
US3215524A Metal recovery
US3207655A Defoamer containing a siliceous amino amide composition used for defoaming black liquor produced in pulping processes
US3207698A Composition and method for defoaming aqueous systems
US3262801A Process of preparing finely divided silicas of varied properties
US3304286A Polyester-polyisocyanate materials and coatings obtained therefrom
US3317463A Ester-isocyanate reaction product
GB1008452A Piperidyl-(4) benzhydryl ether derivatives
US3262848A Poultry enterohepatitis treating compositions and methods of using same