Patent FR77990E successfully refreshed from Google Patents.
FR77990E
Expired / Lapsed
FR
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Process for the production of precious gaseous hydrocarbons
Assignee: Heinrich Koppers GmbH
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Filing: 1960-06-30
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Granted: 1962-05-18
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Expires: 1980-06-30
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-03 13:50
CPC Classifications
C; C10; C10G; C10G9/00; C10G2400/00; C10G2400/20
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