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NAARDEN CHEM FAB

Overview
  • Total Patents
    77
About

NAARDEN CHEM FAB has a total of 77 patent applications. Its first patent ever was published in 1942. It filed its patents most often in France, Germany and United Kingdom. Its main competitors in its focus markets organic fine chemistry, foods and drinks and basic materials chemistry are BUSH BOAKE ALLEN LTD, ATLANTIC RES INST and GIVAUDAN LTD.

Patent filings in countries

World map showing NAARDEN CHEM FABs patent filings in countries

Patent filings per year

Chart showing NAARDEN CHEM FABs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Boelens Harmannus 5
#2 Harmannus Boelens 4
#3 Boelens H 3
#4 Klaas Kes 3
#5 Linde Leendert Maarten Van Der 3
#6 Willem Berends 3
#7 Kes K 2
#8 Toet Hans Jacques 2
#9 Berends W 2
#10 Maessen Jan Theodor Marie Fran 2

Latest patents

Publication Filing date Title
AU4293872A Preparation of non-alcoholic beverages
DE2130184A1 Process for the preparation of sesquiterpene derivatives
DE2130185A1 Process for the preparation of substituted cyclohexanones
FR2080628A1 Permanent waving cpsn for hair and keratinous fibres
ES375853A1 Cycloalkylidenebutanols and their use in perfume compositions
DE1941120A1 Process for the preparation of alpha-beta unsaturated disulfides
DE1928918A1 Process for the preparation of a mixture of flavors
DE1908756A1 Perfumes and processes for making the same
IE32616L Production of a wort concentrate or powder with the aid of enzyme preparations
GB1117797A Perfumes and compositions of odorous materials
US3344192A Process for the preparation of beta-ionone
GB981838A A new macrocyclic oxalactone and its use in perfumed compositions
DE1215289B Fragrance composition
GB873455A Process for the preparation of ª+-ketonic carboxylic acids
US2989555A Process for the preparation of epsilon-ketonic acids
GB859392A Novel macrocyclic thialactones and process for the preparation thereof
DE823454C Process for the preparation of galloyl chloride
US2491933A Process for the manufacture of esters of monomethylene ethers of 1 keto-2 gulonic acid
GB621209A Process for the production of esters of mono-methylene-ethers of 2 keto-l-gulonic acid
GB610843A Process for the production of alkyl halides