CA971186A
Expired / Lapsed
CA
⏱️ 0.0 years remaining
Sulfonation of crude oils to produce petroleum sulfonates
Assignee: Marathon Oil Co
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Filing: 1972-11-20
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Granted: 1975-07-15
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Expires: 1992-11-20
Abstract
No abstract record available.
Inventors
- 👤 Donald E. Schroeder (Jr.)
- 👤 Carle C. Zimmerman (Jr.)
- 👤 Mark A. Plummer
Bibliographic Details
Application Number
—
Jurisdiction
CA
Data Source
google_patents
Last Synchronized
2026-11-03 07:25
CPC Classifications
C; C07; C07C; C07C309/00; C07C309/01; C07C309/62; C09; C09K; C09K8/00; C09K8/58; C09K8/584
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
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