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DALE JOHANNES

Overview
  • Total Patents
    17
About

DALE JOHANNES has a total of 17 patent applications. Its first patent ever was published in 1973. It filed its patents most often in Canada, Norway and Switzerland. Its main competitors in its focus markets organic fine chemistry, macromolecular chemistry and polymers and chemical engineering are JIANGSU TETRA NEW MATERIAL TECH CO LTD, VIWIT PHARMACEUTICAL CO LTD and JIANGSU YUXING FILM TECHNOLOGY CO LTD.

Patent filings in countries

World map showing DALE JOHANNESs patent filings in countries

Patent filings per year

Chart showing DALE JOHANNESs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Dale Johannes 7
#2 Daasvatn Kari 4
#3 Borgen Gerd 4
#4 Dale J 3
#5 Daasvatn K 3
#6 Daasvath Kari 1
#7 Borgen Gerd Grinda Oslo 1
#8 Dale Johannes Stasjonsveien Bl 1
#9 Borgen G 1
#10 Gerudo Borugen 1

Latest patents

Publication Filing date Title
CA1096068A Process for complete or selective removal of salts from aqueous solution
CA1039733A Process for selective preparation of macrocyclic polyethers
CH591471A5 Cyclised oligomers of ethylene oxide - by the oligomerisation of ethylene oxide in presence of fluoride of inorg acid
US3928386A Process for preparing cyclic polyethers