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DREW & CO INC E F

Overview
  • Total Patents
    111
About

DREW & CO INC E F has a total of 111 patent applications. Its first patent ever was published in 1942. It filed its patents most often in United States, United Kingdom and Austria. Its main competitors in its focus markets basic materials chemistry, foods and drinks and organic fine chemistry are E F DREW & CO, SCHOU HERBERT and ALDIVIA S A.

Patent filings in countries

World map showing DREW & CO INC E Fs patent filings in countries

Patent filings per year

Chart showing DREW & CO INC E Fs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 George Barsky 19
#2 Babayan Vigen K 16
#3 Barsky George 6
#4 George Zinzalian 6
#5 Barsky George Dr 5
#6 Valko Emery I 5
#7 Little Lawrence L 4
#8 Ulmer Richard C 4
#9 Babayan Vigen Khachig 2
#10 Jonas Kamlet 2

Latest patents

Publication Filing date Title
DE1418759A1 Method and apparatus for isolating a hard fat product from a glycero oil
US2988483A Alchol soluble glycerides
GB896363A Improvements in or relating to chocolate and other confectionery coatings made from hard butters
GB891205A Confectionery coating compositions
GB890136A Improvements in or relating to the preparation of a sugar ester
GB877897A Stable detergent compositions for wool scouring
US2999023A Confectionary coating compositions
GB855159A Synthetic detergent cakes
DE1117811B Process for the production of lump-shaped cleaning agents
GB887418A Edible fatty acid glycol ester compositions
US2948717A Sugar ester preparation and purification
DE1098501B Process for the preparation of partial fatty acid esters of sugars with at least 6 hydroxyl groups
GB858440A Sugar esters
GB857119A Urea-phosphoric acid cleaning composition
US3006771A Fat composition for margarine and other purposes
DE1214217B Device for the continuous transesterification of coconut oil
GB867852A Improvements in or relating to the modification of fatty oils
DE1082234B Device for carrying out chemical reactions
GB841416A Improvements in or relating to apparatus for carrying out chemical reactions
GB858775A Improvements in or relating to ester lubricants