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OZALID CO LTD

Overview
  • Total Patents
    191
About

OZALID CO LTD has a total of 191 patent applications. Its first patent ever was published in 1930. It filed its patents most often in United Kingdom, Germany and France. Its main competitors in its focus markets optics, machines and textiles and paper are BREWSTER PERCY D, OZALID GROUP HOLDINGS LTD and AGFA GEVAERT AG.

Patent filings in countries

World map showing OZALID CO LTDs patent filings in countries

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Halden Joseph Gerald Brocton 7
#2 Royer Richard Penn 6
#3 Murray Humphrey Desmond 6
#4 Landau Raphael 6
#5 Brocton Halden Joseph Gerald 5
#6 Parry Eric 4
#7 Halden Joseph G B 4
#8 Franke Dr Robert Herrmann 3
#9 Rebenstock August 3
#10 Tanenbaum Arnold 3

Latest patents

Publication Filing date Title
JPS5346720A Thermally coloring twoocomponent diazo type material
GB1469437A Ink
AU5708173A Means at the outlet end of a sheet-handling or duplicating machine means at the outlet end of a sheet-handling or duplicating machine
ZA7303648B Improvements in pressure-sensitive transfer elements
GB1365759A Apparatus for the development of photo prints
GB1338031A Treatment of synthetic polyester film products
US3900324A Treatment of synthetic polyester film products
ZA7106688B Improvements in light-sensitive photographic materials
GB1336065A Light-sensitive photographic materials
GB1310440A Photocopying machine
US3661591A Diazotype materials
FR1366532A Process for treating polyesters and polycarbonates surfaces, composition for its implementation and resulting products
GB1059164A An improved photographic apparatus
GB1068342A Improvements in or relating to electrophotographic developing compositions
GB1061784A Improvements in or relating to the treatment of polyester materials
US3162436A Photocopying apparatus
GB1061053A Improvements in or relating to the treatment of photographic emulsion layers
GB1057281A Improvements in or relating to the preparation of printing plates for use in offset lithography
GB997297A Improvements in and relating to electrophotographic copying methods
US3173351A Apparatus for photographic reproduction