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GRINTEN CHEM L V D

Overview
  • Total Patents
    381
About

GRINTEN CHEM L V D has a total of 381 patent applications. Its first patent ever was published in 1930. It filed its patents most often in United Kingdom, France and United States. Its main competitors in its focus markets optics, packaging and shipping and machines are BRITISH TRICOLOUR PROCESSES LT, HESS IVES CORP and KODAK LTD.

Patent filings in countries

World map showing GRINTEN CHEM L V Ds patent filings in countries
# Country Total Patents
#1 United Kingdom 77
#2 France 76
#3 United States 65
#4 Switzerland 50
#5 Germany 37
#6 Canada 25
#7 Austria 21
#8 Denmark 11
#9 Spain 8
#10 Belgium 3
#11 Greece 3
#12 Ireland 3
#13 Finland 2

Patent filings per year

Chart showing GRINTEN CHEM L V Ds patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Loon Arie Van 11
#2 Grinten Chemische Fabriek L Va 11
#3 Grinten Lodewijk Pieter Frans 11
#4 Buskes Willem Marie 8
#5 Chretien Breuers Theo Pierre 8
#6 Wilhelmus Sanders Theodorus Pe 8
#7 Pierre Chretien Breuers Theo 7
#8 Chemische Fabriek L Van Der Gr 6
#9 Andreas Wilders Johannes Henri 6
#10 Breuers Theo Pierre Chretien 5

Latest patents

Publication Filing date Title
GB1093015A Photoprinting apparatus
GB1082889A Diazotype material and diazonium compounds
US3361047A Photo-printing apparatus
GB1066105A Heat-developable diazotype material
ES302185A1 Improvements introduced in the manufacture of diazotipia material. (Machine-translation by Google Translate, not legally binding)
US3333088A Apparatus for the thermal development of light-sensitive material
DE1256065B Photosensitive material containing an o-aminobenzene diazo compound
GB1014748A Apparatus for cutting strip material into sheets
DE1233262B Photocopier with a device for separating original and photosensitive material
GB1015609A Photoprinting apparatus for contact-printing sheet originals
GB1032508A Heat-developable diazotype sheet material
GB1045242A Diazonium compounds and diazotype material
ES289942A1 Procedure for making copyraphic copies (Machine-translation by Google Translate, not legally binding)
US3172613A Method and apparatus for splicing a web of sheet material to a moving web
GB1012858A Planographic printing plates, their production and process in the production of planographic prints therefrom
GB968658A Method and apparatus for splicing a web of sheet material to a moving web
DE1204941B Blueprint device
GB981233A Exposure apparatus
GB983799A Diazotype materials
US3248220A Two-component diazotype material