Patent CA857937A successfully refreshed from Google Patents.
CA857937A
Expired / Lapsed
CA
⏱️ 0.0 years remaining
Frost barrier for pavement construction
Assignee: BASF SE
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Filing: —
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Granted: 1970-12-08
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Expires: 1987-12-08
Abstract
No abstract record available.
Inventors
- 👤 Koehling Klaus
- 👤 Hohwiller Frieder
- 👤 Schneider Walter
- 👤 Koenig Dietrich
Bibliographic Details
Application Number
—
Jurisdiction
CA
Data Source
google_patents
Last Synchronized
2026-11-08 22:26
CPC Classifications
—
Claims Analysis
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References Cited (Backward Citations)
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