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GEVAERT PHOTO PRODUCTEN

Overview
  • Total Patents
    30
About

GEVAERT PHOTO PRODUCTEN has a total of 30 patent applications. Its first patent ever was published in 1935. It filed its patents most often in France, United States and Germany. Its main competitors in its focus markets optics, macromolecular chemistry and polymers and basic materials chemistry are GEVAERT PHOTO PROD NV, LUMIERE SOC and ROTH CHRISTOPH.

Patent filings in countries

World map showing GEVAERT PHOTO PRODUCTENs patent filings in countries
# Country Total Patents
#1 France 17
#2 United States 8
#3 Germany 2
#4 United Kingdom 2
#5 Spain 1

Patent filings per year

Chart showing GEVAERT PHOTO PRODUCTENs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Dormael Andre Emile Van 2
#2 Leonard Schouteden Ferdinand 2
#3 Maurice Hart Rene 2
#4 Maria Cassiers Paul 2
#5 Lucien Poot Albert 1
#6 Willems Jozef Frans 1
#7 Frans Willems Jozef 1
#8 Libeer Marcel Jan 1
#9 Merckx Philibert 1
#10 Marie Nys Jean 1

Latest patents

Publication Filing date Title
US3240595A Electrophotographic material
US3240594A Electrophotographic material
US3063950A Polymeric amidoximes and their derivatives and a method of preparing same
US3063951A Polymeric amidoximes and their derivatives and a method of preparing same
ES263477A1 A procedure for the preparation of thermoplastic linear copoli (carboxylate-sulfonates) of high molecular weight (Machine-translation by Google Translate, not legally binding)
GB675656A Improvements in and relating to the manufacture of light sensitive photographic emulsions
GB632641A Improvements in and relating to photographic sensitisers and process for sensitising silver halide emulsions
US2119116A Treatment of cellulose esters