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GEN DYESTUFF CORP

Overview
  • Total Patents
    16
About

GEN DYESTUFF CORP has a total of 16 patent applications. Its first patent ever was published in 1936. It filed its patents most often in United States, Canada and Belgium. Its main competitors in its focus markets machines, chemical engineering and textiles and paper are ITO HAJIME, BSG DESIGNS and DOMENICK DONALD GAGLIARDI.

Patent filings in countries

World map showing GEN DYESTUFF CORPs patent filings in countries
# Country Total Patents
#1 United States 9
#2 Canada 4
#3 Belgium 1
#4 Germany 1
#5 United Kingdom 1

Patent filings per year

Chart showing GEN DYESTUFF CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hans Luttringhaus 3
#2 Kirk Joseph S 3
#3 Williams Sumner H 3
#4 Sweet Harold A 2
#5 Flint James E 1
#6 Cross James M 1
#7 Ekbert Lederle 1
#8 Arcus Alex A 1
#9 Lederle Ekbert 1
#10 Anthony Arcus Alex 1

Latest patents

Publication Filing date Title
US2768056A Manufacture of leather
GB694070A Dyeing with vat and sulfur dyestuffs
US2670263A Composition and process for dyeing polyethylene terephthalate fibers
US2681845A Acid vat dyeing of animal fibers
US2618529A Application of leuco esters of vat dyestuffs on animal fibers using urea and an acid
US2552078A Apparatus for dyeing and after treating fibers
US2199233A Method of dyeing fabric
US2284610A Dispersion of pigments in rubber
US2157712A Process of producing red chromium pigments
US2143721A Process and composition for improving rubber compounds
CA521310A Water-soluble compositions containing water-insoluble organic amines
CA531838A Manufacture of leather
CA401842A Red chromium pigment
CA562051A Manufacture of leather