PHOTO PRODUITS GEVAERT S A has a total of 36 patent applications. Its first patent ever was published in 1922. It filed its patents most often in France, Switzerland and Spain. Its main competitors in its focus markets optics, basic materials chemistry and organic fine chemistry are DU PONT FILM MFG CORP, C SCHLEUSSNER FOTOWERKE G M B and ELLIOTT & SONS LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | France | 24 | |
#2 | Switzerland | 9 | |
#3 | Spain | 3 |
# | Industry | |
---|---|---|
#1 | Optics | |
#2 | Basic materials chemistry | |
#3 | Organic fine chemistry | |
#4 | Chemical engineering | |
#5 | Machines | |
#6 | Macromolecular chemistry and polymers | |
#7 | Thermal processes | |
#8 | Transport |
# | Name | Total Patents |
---|---|---|
#1 | A Photo-Produits Gevaert S | 5 |
#2 | Gevaert S A Photo-Produits | 3 |
#3 | Jennen Jacob J | 1 |
#4 | A Photo Produits Gevaert S | 1 |
Publication | Filing date | Title |
---|---|---|
ES171083A1 | Procedure for the preparation of desmo-duplo-metínicos dyes | |
ES170970A1 | A procedure for the sensitization of photographic emulsions | |
ES170969A1 | Procedure for the correction of photographic images in colors |