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LITHO CHEMICAL AND SUPPLY CO I

Overview
  • Total Patents
    13
About

LITHO CHEMICAL AND SUPPLY CO I has a total of 13 patent applications. Its first patent ever was published in 1956. It filed its patents most often in United States, United Kingdom and Germany. Its main competitors in its focus markets textiles and paper, optics and macromolecular chemistry and polymers are COOKSON GRAPHICS PLC, NOUEL JEAN MARIE and SANDY SCREEN AG.

Patent filings in countries

World map showing LITHO CHEMICAL AND SUPPLY CO Is patent filings in countries
# Country Total Patents
#1 United States 7
#2 United Kingdom 3
#3 Germany 2
#4 Canada 1

Patent filings per year

Chart showing LITHO CHEMICAL AND SUPPLY CO Is patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Leonard Robert F 6
#2 Hodgins George R 4
#3 F Leonard Robert 2
#4 Madeline Beckett 1
#5 Di Cyan Erwin 1
#6 Robert Timmerman 1

Latest patents

Publication Filing date Title
GB986603A Lithographic printing plates
US3247791A Surface treated lithographic plates and production thereof
US3284202A Lithographic plate, its preparation and treatment solution therefor
US3118765A Lithographic product comprising lightsensitive diazido stilbene sulfonic acid salt
GB851819A Lithographic plate and process of preparing the same
US2865873A Lacquer emulsion for lithographic plates
US2826501A Lithographic coating solution and lithographic plates coated therewith
US2950195A Removal of metal ions from gum arabic
CA626919A Lithographic plate and process of preparing the same