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M NAEF & CIE SA

Overview
  • Total Patents
    34
About

M NAEF & CIE SA has a total of 34 patent applications. Its first patent ever was published in 1924. It filed its patents most often in Switzerland, United Kingdom and Germany. Its main competitors in its focus markets organic fine chemistry are SIGURTA FARMACEUTICI SPA, SHANGHAI B & C CHEMICAL CO LTD and NAEF & CO M.

Patent filings in countries

World map showing M NAEF & CIE SAs patent filings in countries
# Country Total Patents
#1 Switzerland 15
#2 United Kingdom 8
#3 Germany 7
#4 France 3
#5 United States 1

Patent filings per year

Chart showing M NAEF & CIE SAs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Cie Societe Anonyme M Naef 15
#2 Leopold Ruzicka 1

Latest patents

Publication Filing date Title
GB448770A An improved method of preparing muscone
GB440416A Methods of preparing higher lactones containing at least 11 carbon atoms in the lactone ring
GB392062A An improved process for the conversion of alicyclic ketones into unsaturated aldehydes
GB394197A Improved processes for the production of perfumes
GB396576A An improved process for the production of methylated cycloheptanones and cyclo-octanones
US1873154A Process for the preparation of cyclic non-saturated ketones with more than nine ringmembers
GB339348A A process for the preparation of cyclic non-saturated ketones with more than nine ring members
GB309911A A process for the production of cyclohexene aldehydes, and cyclohexene carboxylic acids, which contain at least one dialkylated ring carbon atom
GB294602A Process for the preparation of the lactone of 14-oxy-tetradecane-1-carboxylic acid