Patent EP0422693A2 successfully refreshed from Google Patents.
Patent FR72775E successfully refreshed from Google Patents.
FR72775E
Expired / Lapsed
FR
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Water soluble carbon black and its preparation
Assignee: ETUDE DES IND DU PETROLE AU PO
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Filing: 1958-01-07
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Granted: 1960-07-22
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Expires: 1978-01-07
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 09:16
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/44; C09C1/48; C09C1/56
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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