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CIE NAT MATIERES COLORANTES

Overview
  • Total Patents
    370
About

CIE NAT MATIERES COLORANTES has a total of 370 patent applications. Its first patent ever was published in 1918. It filed its patents most often in France, United Kingdom and Germany. Its main competitors in its focus markets basic materials chemistry, organic fine chemistry and materials and metallurgy are DES PRODUITS FRED. BAYER ET CIE, SOCIETE POUR L'INDUSTRIE CHIMIQUE A BALE and SOC IND CHIMIQUE BALE.

Patent filings in countries

World map showing CIE NAT MATIERES COLORANTESs patent filings in countries
# Country Total Patents
#1 France 221
#2 United Kingdom 68
#3 Germany 45
#4 United States 28
#5 Austria 4
#6 Canada 2
#7 Belgium 1
#8 Denmark 1

Patent filings per year

Chart showing CIE NAT MATIERES COLORANTESs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Passelecq Georges 10
#2 Pereira Hans 8
#3 Pierre Petitcolas 8
#4 Georges Kopp 6
#5 Petitcolas Dr Pierre 5
#6 Henry Mirocourt 4
#7 Georges Jirou Marcel 3
#8 Jirou Marcel Georges 2
#9 Victor Durr Andre Henri 2
#10 Mirocourt Henry 2

Latest patents

Publication Filing date Title
GB602610A Improvements in or relating to vat dyestuffs
GB597868A Process for the manufacture of printing colours, the resulting products and the industrial applications thereof
GB594575A The manufacture of agglomerated bodies of carbonaceous material
GB615405A Improvements in the manufacture of moulded products
GB595588A The manufacture of refractory products
GB577167A Process for the preparation of esters of leuco-dyestuffs of the anthracene series
GB543092A New nitrogen compounds, process for their preparation and their industrial application
GB543743A Improvements in and relating to the dyeing and printing of fabrics and fibres made of cellulose esters and ethers
GB576619A Intermediate products for the preparation of dyestuffs, process of making them and their application
GB570742A Improvements in or relating to the preparation of printing colours
DE757745C Process for printing fabrics with pigment printing pastes containing water-insoluble binders in the form of aqueous emulsions
GB542213A Dyestuffs derived from 2-amino-3-naphthoic acid
GB544673A Improvements in and relating to chromium containing azo dyestuffs
GB540597A Improvements in the manufacture of azo dyestuffs
GB540125A Metalliferous substantive dyestuffs
GB521325A Improved process for the preparation of cellulose acetate gels and plastic masses and the products resulting therefrom
GB526077A Improvements in and relating to azo dyestuffs
GB521321A Improvements in and relating to dyeing cellulose esters
US2250129A Azo dyestuffs and method for their manufacture
GB518987A Process for the preparation of polyazodyestuffs, of complex metal compounds derived therefrom and new industrial products resulting therefrom