IP Library › Granted Patent US 4,158,521
Granted Patent Utility
US 4,158,521 · App. 05/919,215

Method of stabilizing clay formations

Inventors: Robert Anderson, Bob G. Kannenberg
Patented Case View Patent ↗
Granted: Jun 19, 1979 Filed: Jun 26, 1978
Inventors
Robert Anderson
Bob G. Kannenberg
Assignee (at issue)
Western Company of North America

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Quick Facts
Patent No.
US 4,158,521
App. No.
05/919,215
Filed
1978-06-26
Granted
1979-06-19
Kind
A