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KREBS PIGMENT & COLOR CORP

Overview
  • Total Patents
    46
About

KREBS PIGMENT & COLOR CORP has a total of 46 patent applications. Its first patent ever was published in 1927. It filed its patents most often in United States, United Kingdom and Germany. Its main competitors in its focus markets basic materials chemistry, materials and metallurgy and chemical engineering are KOMPOPIGMENT LTD, COLOUR RES CO and LAJOS CSONKA.

Patent filings in countries

World map showing KREBS PIGMENT & COLOR CORPs patent filings in countries
# Country Total Patents
#1 United States 39
#2 United Kingdom 4
#3 Germany 2
#4 France 1

Patent filings per year

Chart showing KREBS PIGMENT & COLOR CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Alfred Siegel 9
#2 Hanahan Marion L 5
#3 Paul Kubelka 3
#4 Headley Wayne N 3
#5 Booge James E 3
#6 Seguine Jr William 2
#7 Max Mayer 2
#8 Erskine Archibald M 2
#9 Breyer Frank G 2
#10 Joseph Blumenfeld 1

Latest patents

Publication Filing date Title
US2018955A Process of making calcium sulphate
GB445705A Pigments and their manufacture
US2013100A Azo lake and pigment
US2006342A Process of making anhydrite
US2013092A Organic coloring material comprising an azo compound and a naphthenate as a substratum
US2013099A Organic coloring material comprising an azo compound and natural gums and balsams asa substratum
US2013091A Organic coloring material comprising an azo compound and a petroleum sulphonate as the substratum
US2013075A Organic coloring material comprising an azo compound and an arylated rosin as the substratum
US2013076A Organic coloring material comprising an azo compound and chlorinated rosin as a substratum
US2013074A Organic coloring material comprising an azo compound and oxidized rosin as a substratum
US2013090A Organic coloring material comprising azo compounds and hydrogenated rosins
US2013084A Organic coloring materials comprising azo compounds and sulphonated derivatives of pyrogenic decomposition products of rosin
US2013077A Organic coloring material comprising an azo compound and nitro rosin as a substratum
GB421535A Improvements in or relating to the manufacture of pigments
GB410453A Improvements in or relating to the production of titanium oxide pigments
US1937037A Process of making titanium oxide of fine texture
US1993971A Quinone-oxime pigment
US1899572A Method of dissolving titanium tetrachloride in aqueous solvents
US1899573A Process of preparing clear solutions of titanium chloride
US1899574A Process of preparing concentrated clear solutions of titanium chloride