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POLAK FRUTAL WORKS

Overview
  • Total Patents
    225
About

POLAK FRUTAL WORKS has a total of 225 patent applications. Its first patent ever was published in 1951. It filed its patents most often in United States, United Kingdom and Japan. Its main competitors in its focus markets organic fine chemistry, basic materials chemistry and foods and drinks are NAARDEN INTERNATIONAL NV, DRAGOCO GERBERDING CO GMBH and S H KELKAR & COMPANY LTD.

Patent filings in countries

World map showing POLAK FRUTAL WORKSs patent filings in countries

Patent filings per year

Chart showing POLAK FRUTAL WORKSs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lenselink Willem 16
#2 Desimone Robert Santora 11
#3 Stoffelsma Jan 10
#4 Cohen Amnon Mordechai 9
#5 Desimone Robert S 5
#6 Brenner Joseph 5
#7 Bok Rinke 5
#8 Lenselink W 4
#9 Cohen Amnon M 4
#10 Van T Land Evert 4

Latest patents

Publication Filing date Title
CA1123446A Intermediates for 4-hydroxy-5-alkyl-and 2,5-dialkyl-3- oxo-2h-furans
BE880315A Method for preparing foodstuffs with microwave radiation
CA1156255A Methylthiomethyl esters as flavour additives
GB2018251A Cyclic acetals
US4211674A Cyclic acetals and ketals and their use in perfume compositions
GB2016462A Nitriles and use as perfume chemicals
CA1118450A Menthane nitriles
NL7900739A Method for granting a roasted and burned flavor to foodstuffs and beverages or for strengthening such a features already found in foodstuffs and beverages.
US4189439A Process of the preparation of hydroxyfurenones
FR2453609A1 PROCESS FOR FIXING FLAVORING ALDEHYDES FOR THEIR APPLICATION IN THE FOOD FIELD
IL66541A Process for the preparation of 4-hydroxy-2,5-alkyl-3-oxo-2h-furans and 2-carbalkoxy-furan derivatives employed as intermediates in the process
GB1601934A 2-carbalkoxy furan compounds
US4127592A Process of the preparation of hydroxyfurenones
FR2390111A1 PROCESS FOR FIXING FLAVORING ALDEHYDES FOR THEIR APPLICATION IN THE FOOD FIELD
GB1594580A Yy-disubstituted-e-valerolactones
FR2437430A1 Fluorocarbon coolant compsns. contg. odorising additives - so escape of coolant can be detected by its odour (NL 27.6.78)
US4113645A Bleach compositions containing perfume oils
FR2350875A1 METHOD FOR THE MICRO-ENCAPSULATION OF WATER-SOLUBLE MATERIALS
GB1601933A Process for the preparation of 4-hydroxy-5-alkyl and 2,5-dialkyl-3-oxo-2h-furans
GB1593181A Carane derivatives and their use in fragrance materials