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GEIGY CO LTD

Overview
  • Total Patents
    122
About

GEIGY CO LTD has a total of 122 patent applications. Its first patent ever was published in 1945. It filed its patents most often in United Kingdom, Canada and United States. Its main competitors in its focus markets basic materials chemistry, organic fine chemistry and macromolecular chemistry and polymers are NYCO SA, BATAAFSCHE PETROLEUM and CALIFORNIA RESEARCH CORP.

Patent filings in countries

World map showing GEIGY CO LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 77
#2 Canada 12
#3 United States 11
#4 France 8
#5 Ireland 5
#6 Sweden 5
#7 Germany 4

Patent filings per year

Chart showing GEIGY CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Critchley Stuart Walter 21
#2 Aiken John Kempton 12
#3 Howard Donald Kearey 10
#4 Randell Donald Richard 6
#5 Randell D 5
#6 Harry Jones 5
#7 Jones Harry 5
#8 Kempton Aiken John 5
#9 Critchley Stuart W 4
#10 Pickles Wilfred 4

Latest patents

Publication Filing date Title
GB1048156A The preparation of ª‡,ªÏ-dicarboxylic acids
GB1048543A Treating cadmium surfaces
GB1036696A Alkylated phenothiazines
GB1034295A Naphthindolizinedione carboxyarylamides
GB1034047A Substituted naphthindolizinediones
GB1046353A Tertiary substituted diarylamine derivatives and their use as antioxidants in lubricants
GB1036693A New azepine compound
GB1033908A Styrene polymer compositions
GB1032734A Cleaning process
GB1031265A Tri-tertiary aminopyrimidines and their production
GB1042636A Naphthindolizinedione-carboxyarylamide pigments and their production
GB1013844A Improvements in or relating to the purification of benzotriazole
IE27337L Complex esters; lubricants
GB1009921A Process for the halogenation of phthalocyanines
GB1046780A Improvements in or relating to selective hydrogenation
GB1020853A Improvements in or relating to the production of halogenated cycloaliphatic compounds
GB1004259A Improvements in and relating to corrosion inhibitors
GB996517A Improvements in or relating to the production of pyrosulphuryl chloride
GB986065A Improvements relating to synthetic lubricants comprising organic esters
GB1041505A Improvements in or relating to the stabilisation of organic materials