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.
# | Country | Total Patents | |
---|---|---|---|
#1 | Canada | 3 | |
#2 | Norway | 3 | |
#3 | Switzerland | 2 | |
#4 | France | 2 | |
#5 | United States | 2 | |
#6 | Germany | 1 | |
#7 | EPO (European Patent Office) | 1 | |
#8 | Italy | 1 | |
#9 | Japan | 1 | |
#10 | Sweden | 1 |
# | Industry | |
---|---|---|
#1 | Organic fine chemistry | |
#2 | Macromolecular chemistry and polymers | |
#3 | Chemical engineering | |
#4 | Environmental technology |
# | Technology | |
---|---|---|
#1 | Heterocyclic compounds | |
#2 | Special macromolecular compounds | |
#3 | Separation | |
#4 | Water treatment |
# | 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 |
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 |