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Based on more than 35 years of experience in porphyrin and phthalocyanine chemistry, PorphyChem fields of expertise range from design to manufacture of photosensitizers for a specific application. Synthesis of porphyrins, phthalocyanines and related compounds as well as key building blocks.

Der Stein der sächsischen Könige. Ist über 280 Millionen Jahre alt. Seit über 3000 Jahren werden Gebrauchsgegenstände aus diesem weltweit einmaligen Naturstein gefertigt. Planmäßig wird der Sächsische Marmor. Seit über 1000 Jahren in den Steinbrüchen auf dem Rochlitzer Berg gewonnen. Seit 1585 in unserer Manufaktur veredelt. Das Stadtgeschichtliche Museum in Liepzig hat eine hinterlüftete Natursteinfassade aus Rochlitzer Porphyr.

Porphyra international academic journal in Byzantine Studies. Porphyra is the first Italian on-line magazine to focus exclusively on Byzantium. Founded in 2003 by Nicola Bergamo and promotes Byzantine history, culture and civilization. From March 2006 until December 2011 it has been directed by Matteo Broggini. From January 2012 to present the Editor Chief is Nicola Bergamo.