MARUZEN OIL COMPANY LTD has a total of 16 patent applications. Its first patent ever was published in 1962. It filed its patents most often in United Kingdom, Germany and United States. Its main competitors in its focus markets organic fine chemistry, chemical engineering and basic materials chemistry are CHEMISCHE VERWERTUNGSGESELLSCHAFT OBERHAUSEN MBH, OXEA GMBH and QI CHEM CO LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | United Kingdom | 7 | |
#2 | Germany | 6 | |
#3 | United States | 2 | |
#4 | France | 1 |
# | Industry | |
---|---|---|
#1 | Organic fine chemistry | |
#2 | Chemical engineering | |
#3 | Basic materials chemistry | |
#4 | Machines |
# | Name | Total Patents |
---|---|---|
#1 | Hasegawa Hiroshi | 2 |
#2 | Iriuchijima Makoto | 2 |
#3 | Komatsu Youji | 2 |
#4 | Taniguchi Hiroaki | 1 |
#5 | Masakazu Kawai | 1 |
#6 | Yokomizo Takashi | 1 |
#7 | Kenzo Kuihara | 1 |
#8 | Tamura Takeshi | 1 |
#9 | Fujii Kinya | 1 |
#10 | Yasuo Shimakawa | 1 |
Publication | Filing date | Title |
---|---|---|
GB1272728A | Improvements in the selective hydrogenation of poly-unsaturated hydrocarbons | |
GB1280749A | Process for preparation of over-based sulphurized phenates | |
GB1237817A | Process for production of pivalolactone | |
GB1218507A | Improvements in the selective hydrogenation of poly-unsaturated hydrocarbons | |
GB1218154A | Process for the production of carboxylic acids | |
GB1240889A | Process for the production of methyl ethyl ketone | |
US3410897A | Purification of terephthalic acid | |
GB962871A | A process for the isomerization of xylenes |