SJELDNE JORDARTER FORSKNING has a total of 29 patent applications. Its first patent ever was published in 1971. It filed its patents most often in Norway, Germany and France. Its main competitors in its focus markets materials and metallurgy, chemical engineering and environmental technology are ALCOA AUSTRALIA, ALTECH CHEMICALS AUSTRALIA PTY LTD and CHARLES SEAILLES JEAN.
# | Country | Total Patents | |
---|---|---|---|
#1 | Norway | 6 | |
#2 | Germany | 5 | |
#3 | France | 5 | |
#4 | United States | 4 | |
#5 | United Kingdom | 3 | |
#6 | Japan | 3 | |
#7 | Netherlands | 3 |
# | Industry | |
---|---|---|
#1 | Materials and metallurgy | |
#2 | Chemical engineering | |
#3 | Environmental technology | |
#4 | Organic fine chemistry |
# | Name | Total Patents |
---|---|---|
#1 | Gjelsvik Norvald | 5 |
#2 | Hannestad G | 4 |
#3 | Hundere I | 3 |
#4 | Gaudernack B | 3 |
#5 | Farbu Leif | 2 |
#6 | Hannestad Gunnar Dipl Ing | 2 |
#7 | Dugan Martin | 2 |
#8 | Alstad Jorolf | 2 |
#9 | Gunnaa Hanesutatsuto | 1 |
#10 | Hundere Ingleiv Dipl Ing | 1 |
Publication | Filing date | Title |
---|---|---|
DE2940657A1 | MIXER SEPARATOR FOR LIQUID-LIQUID EXTRACTION | |
NO781307L | PROCEDURE FOR THE PREPARATION OF EXTERNAL OXIDE WITH SPECIAL LARGE PARTICLES | |
US4041125A | Process for separation of the lanthanides | |
NL7507699A | Device for multi-stage countercurrent extraction of dissolved material from a first liquid phase to a second non-mixable liquid phase. | |
DE2428952A1 | PROCESS FOR SEPARATION OF ELEMENTS OF THE RARE EARTH FROM THEIR MIXTURES BY MEANS OF LIQUID-LIQUID EXTRACTION | |
DE2302581A1 | Liquid-liquid extraction process - for sepg yttrium values from the lanthanides |