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Muenster, DE
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last 30 patents
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Patent Grant
Azaporphyrin derivatives
Patent number
5,124,449
Issue date
Jun 23, 1992
BASF Aktiengesellschaft
Burchard Franck
C07 - ORGANIC CHEMISTRY
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Patent Grant
Vinylogous porphyrins
Patent number
4,798,891
Issue date
Jan 17, 1989
BASF Aktiengesellschaft
Burchard Franck
C07 - ORGANIC CHEMISTRY