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WALTER FRIEDERICH

Overview
  • Total Patents
    17
About

WALTER FRIEDERICH has a total of 17 patent applications. Its first patent ever was published in 1920. It filed its patents most often in United Kingdom, United States and France. Its main competitors in its focus markets basic materials chemistry, organic fine chemistry and materials and metallurgy are WALTER FRIEDERICH DR, IDL CHEMICALS LTD and UNIV NANJING SCIENCE & ENG.

Patent filings in countries

World map showing WALTER FRIEDERICHs patent filings in countries
# Country Total Patents
#1 United Kingdom 9
#2 United States 6
#3 France 2

Patent filings per year

Chart showing WALTER FRIEDERICHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Walter Friederich 6
#2 Friederich Walter 2

Latest patents

Publication Filing date Title
GB771322A Improvements in or relating to explosive and ignitable substances
US2710297A Process for the production of cyantetrazole, ditetrazole, tetrazole carbamide and tetrazole and their salts
GB345859A An improved process for the production of explosives
US1962065A Process for the manufacture of explosive materials
US1896945A Process of manufacturing nitrous oxide
GB209157A A process for the manufacture of slow or rapid burning fuse cords
US1478429A Primer and process of making same
GB192830A Process for the manufacture of explosive priming compositions
US1552836A Priming composition and process for producing the same
GB180605A Manufacture of priming compositions
US1424462A Process for the manufacture of detonating caps for mining and military purposes
GB162578A A process for the manufacture of tri-nitroresorcine
GB165325A Process for the manufacture of detonating fuse cords
GB138083A Process for the manufacture of detonating caps for mining and military purposes