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ALGRAPHY LTD

Overview
  • Total Patents
    32
About

ALGRAPHY LTD has a total of 32 patent applications. Its first patent ever was published in 1952. It filed its patents most often in United Kingdom, Germany and United States. Its main competitors in its focus markets optics, textiles and paper and macromolecular chemistry and polymers are COOKSON GRAPHICS PLC, NIPPON DENSHI SEIKI KK and POLYCHROME CORP.

Patent filings in countries

World map showing ALGRAPHY LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 14
#2 Germany 12
#3 United States 4
#4 Belgium 1
#5 Canada 1

Patent filings per year

Chart showing ALGRAPHY LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Adams Ronald Alfred Charles 6
#2 Charles Adams Ronald Alfred 6
#3 Edward Smith Frank 4
#4 John Smith Peter 3
#5 Edward Lawson Leslie 3
#6 Lawson Leslie Edward 3
#7 Smith Frank Edward 3
#8 Smith Peter John 1
#9 Potter Stanley Edwin 1
#10 Lawson L 1

Latest patents

Publication Filing date Title
US3802885A Photosensitive lithographic naphthoquinone diazide printing plate with aluminum base
DE1904764A1 Photosensitive coating for lithographic - printing plate
GB1189296A Improvements in or relating to Photosensitive Printing Plates
GB1188527A Development of Light-Sensitive Layers
GB1135082A Improvements in or relating to photosensitive printing plates
US3454400A Light-sensitive naphthoquinone diazide ester compounds and printing plates made therefrom
GB1101444A Improvements in planographic plate image reinforcement
GB1124948A Improvements relating to light sensitive diazonium compounds
GB1082194A Photosensitive materials and presensitised printing plates coated therewith
US3019106A Processing of pre-sensitised lithographic printing plates
GB896563A Improvements in or relating to the graining of lithographic plates
GB879768A Improvements in or relating to the production of lithographic plates
GB921530A Photopolymerisable materials derived from epoxy resins for lithographic printing plates
GB921529A Improvements in or relating to the processing of pre-sensitised lithographic printing plates
GB879767A Improvements in or relating to the production of lithographic printing plates
GB790565A Improvements in or relating to processing of aluminium and zinc lithographic printing plates
GB781814A Improvements in or relating to lithographic printing plates
GB716402A Improvements in or relating to lithographic printing plates
CA523629A Lithographic printing plates