Assignee
GUARDIAN CHEMICAL CORP
3 granted patents·63 citations·filing 1974–1976
Top patents by PatentIndex Score
3 records- 0192US4120777AProcess for recovery of bituminous material from tar sandsGUARDIAN CHEMICAL CORP·Filed 1976·Granted Oct 17, 1978·56 cites·16 claims
- 0237US4031961AOil and gasoline fire extinguishing compositionGUARDIAN CHEMICAL CORP·Filed 1976·Granted Jun 28, 1977·5 cites·3 claims
- 0332US3979302AOil and gasoline fire extinguishing composition and method of makingGUARDIAN CHEMICAL CORP·Filed 1974·Granted Sep 7, 1976·2 cites·16 claims
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