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RICHARDS CHEMICAL WORKS

Overview
  • Total Patents
    18
About

RICHARDS CHEMICAL WORKS has a total of 18 patent applications. Its first patent ever was published in 1940. It filed its patents most often in Canada, United States and United Kingdom. Its main competitors in its focus markets textiles and paper, organic fine chemistry and chemical engineering are ALFRED WILLIAM BALDWIN, GAGLIARDI RES CORP and KOENIG NATHAN H.

Patent filings in countries

World map showing RICHARDS CHEMICAL WORKSs patent filings in countries
# Country Total Patents
#1 Canada 7
#2 United States 6
#3 United Kingdom 4
#4 France 1

Patent filings per year

Chart showing RICHARDS CHEMICAL WORKSs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Saul Kaplan 2
#2 Kaplan Saul 2
#3 Valko Emeric I 2
#4 Samuel Steinberger 1
#5 Jack Sheps Louis 1
#6 Ackley Robert Radcliffe 1
#7 Dubois Adrien S 1
#8 Roth Murray H 1
#9 Felix Axelrad 1
#10 Vensant Cooper Kendall 1

Latest patents

Publication Filing date Title
US2506473A Metod of obtaining fatty alcohols from their esters
GB581427A Improvements in the methylation of amines
GB595243A Improvements in compositions toxic to lower forms of life
GB586155A Improvements in the art of imparting scroop to fabrics and in emulsions therefor
GB593405A Improvements connected with the art of imparting scroop to fabrics
US2352152A Oxazolidine compounds
US2372985A Compositions for treatment of fibrous materials
US2374354A Imidazolines
US2354335A Method of treating textile yarns
US2341009A Method of improving brightness of fibrous materials
CA354961A Sulphonated oil
CA454412A Oil-in-water emulsion
CA421860A Imidazoline derivative
CA464856A Preparation of dimethyl alkyl amines
CA439923A Textile treatment
CA364761A Sulphonated product
CA432698A Oil-in-water emulsion