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FR72775E Expired / Lapsed FR ⏱️ 0.0 years remaining

Water soluble carbon black and its preparation

Assignee: ETUDE DES IND DU PETROLE AU PO
•
Filing: 1958-01-07
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Granted: 1960-07-22
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Expires: 1978-01-07
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Abstract

No abstract record available.

Inventors

  • 👤 Jean-Baptiste-Alexis Donnet

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-24 06:09
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/44; C09C1/48; C09C1/56

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