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Studiengesellschaft Kohle gGmbH
Studienges
Active Patents
0
Total Holdings
4
Patent Holdings
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Patent No.
Title
Status
Filing Date
Grant Date
Claims
Actions
US3929921A
Ring compounds
Expired / Lapsed
1974-04-22
1975-12-30
5
Details
US3052736A
Process for the production of cyclodo-decatri-(1, 5, 9)-ene…
Expired / Lapsed
1959-07-27
1962-09-04
2
Details
US2979544A
Process for the production of cyclododecatri-(1, 5, 9)-enes…
Expired / Lapsed
1958-04-15
1961-04-11
2
Details
US2979543A
Process for the production of cyclododecatri(1, 5, 9)-enes …
Expired / Lapsed
1958-01-22
1961-04-11
2
Details