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CHEMICAL DEVELOPMENTS CANADA

Overview
  • Total Patents
    61
About

CHEMICAL DEVELOPMENTS CANADA has a total of 61 patent applications. Its first patent ever was published in 1954. It filed its patents most often in Canada and United Kingdom. Its main competitors in its focus markets basic materials chemistry are S B CHEMICALS LTD, TESHIMA KAKEN KK and TOKAI SEIYU IND CO LTD.

Patent filings in countries

World map showing CHEMICAL DEVELOPMENTS CANADAs patent filings in countries
# Country Total Patents
#1 Canada 60
#2 United Kingdom 1

Patent filings per year

Chart showing CHEMICAL DEVELOPMENTS CANADAs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

# Technology
#1 Soaps

Top inventors

# Name Total Patents
#1 Hopff Heinrich 5
#2 Balle Gerhard 4
#3 Rosenbach Johann 4
#4 Zerweck Werner 3
#5 Chwala August 3
#6 Ulrich Heinrich 3
#7 Keller Karl 3
#8 Bayer Otto 3
#9 Reppe Walter 3
#10 Nelles Johannes 3

Latest patents

Publication Filing date Title
GB808805A Improvements in aqueous detergent compositions
CA474783A Triazine-aldehyde resinous condensation products
CA463674A Production of trisazo dyestuffs
CA464023A Manufacture of tanning agents
CA470004A Catalytic oxidation of ketones
CA545987A Liquid detergent composition
CA473262A Processes for making amines of the acetylene series
CA473100A Alkylated aromatic sulphonic acids
CA474566A Esterlike condensation products and processes of preparing them
CA480663A Triazine-aldehyde resinous condensation products
CA468329A Production of dihydric alcohols of the acetylene series
CA464020A Production of organic compounds containing sulphur, chlorine and oxygen
CA486053A Process of producing quaternary ammonium bases
CA474785A Ketones condensed with olefin oxides
CA472297A Production of olefine oxides by catalytic oxidation of olefines
CA485876A Addition products of 3,4-dehydrocyclotetramethylene sulphone
CA464025A Water-repellent textile material and process of preparing them
CA472294A Processes of producing pyrroles and hydrogenated pyrroles
CA466824A Chromable dyestuffs of the triarylmethane series and processes of preparing them
CA473263A Manufacture of aliphatic unsaturated nitro compounds