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JEFFERSON CHEM CO INC

Overview
  • Total Patents
    555
About

JEFFERSON CHEM CO INC has a total of 555 patent applications. Its first patent ever was published in 1948. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets organic fine chemistry, macromolecular chemistry and polymers and chemical engineering are HAY ALLAN S, GHARDA CHEMICALS LTD and Honshu chemical industry co ltd.

Patent filings in countries

World map showing JEFFERSON CHEM CO INCs patent filings in countries
# Country Total Patents
#1 United States 284
#2 Canada 73
#3 Germany 67
#4 United Kingdom 66
#5 France 43
#6 Belgium 12
#7 Sweden 3
#8 Netherlands 2
#9 Argentina 1
#10 Australia 1
#11 Spain 1
#12 Italy 1
#13 Japan 1

Patent filings per year

Chart showing JEFFERSON CHEM CO INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Moss Philip H 26
#2 Speranza George P 23
#3 Edwards Gayle D 17
#4 Milligan John G 13
#5 Godfrey Norman B 13
#6 Bentley Floyd E 13
#7 Tomomatsu Hideo 12
#8 Moss Philip Hotchkiss 12
#9 Yeakey Ernest Leon 12
#10 Brader Jr Walter H 12

Latest patents

Publication Filing date Title
US3943162A Cyanoethylation of aromatic amines
GB1448961A Preparation of n-tertiaryaminoalkyl-acrylamides
US3943104A Method of accelerating epoxy curing
US3972948A Anhydrous catalyst for manufacture of glycol ethers
US3968089A Polymer-prepolymer composition prepared by polymerizing an ethylenically unsaturated monomer in the presence of an isocyanate-terminated prepolymer
US3971829A Preparation of methylene-bridged polyphenylpolyamine mixtures
US3979364A Polyurethane elastomers having improved sag resistance
US3960788A Modified isocyanate foams
DE2443971A1 Polyurethane elastomers/foams with integral skins - comprise reaction product of polyisocyanate with polyol modified by monocarbamate and polyamine
US3948900A Preparation of 1-methylpiperazine and 1,4-dimethylpiperazine as co-products
US3925437A Reduction of acidity of organic polymeric isocyanates
US3954877A Hydroformylation of olefins
US3959374A Process for the preparation of mixed isomeric methylene-bridged polycyclohexylpolyamines
US3937756A Fire retardant polyester resins
US3897383A 2,2-Dialkylepoxides as plasticizers, stabilizers, or reactive diluents
US3891742A Method of purifying gases containing acid impurities using stabilized 2-(2-aminoethoxy)ethanol
US3878247A Preparation of n-(tertiaryaminoalkyl) acrylamides
US3941711A Novel combination soap bar
GB1394030A Process for producing highpurity morpholine
US3925389A Preparation of aminoethylpiperazines