Patent FR493393A successfully refreshed from Google Patents.
FR493393A
Expired / Lapsed
FR
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Process for extracting caffeine and theobromine from raw materials that contain them
Assignee: Individual
•
Filing: 1918-11-29
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Granted: 1919-08-07
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Expires: 1938-11-29
Abstract
No abstract record available.
Inventors
- 👤 Louis Rousseau
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-03 15:40
CPC Classifications
C; C07; C07D; C07D473/00; C07D473/02; C07D473/04; C07D473/06; C07D473/12; C07D473/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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