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DE622949C Expired / Lapsed DE ⏱️ 0.0 years remaining

Process to process high-melting bitumen, which is not miscible with mineral oils and paraffinic petroleum residues, with these to a high-melting, plastic to ointment-like, permanently homogeneous mass

Assignee: CHEMIEPRODUKTE KOMMANDIT GES
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Filing: 1930-10-23
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Granted: 1935-12-10
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Expires: 1950-10-23
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Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-11-05 10:53
CPC Classifications
C; C08; C08L; C08L95/00

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