Assignee
CHEMICAL ADDITIVES CO
5 granted patents·148 citations·filing 1974–1976
Top patents by PatentIndex Score
5 records- 0189US3988246AClay-free thixotropic wellbore fluidCHEMICAL ADDITIVES CO·Filed 1974·Granted Oct 26, 1976·52 cites·5 claims
- 0280US4003838AWater loss reduction agentsCHEMICAL ADDITIVES CO·Filed 1975·Granted Jan 18, 1977·33 cites·6 claims
- 0376US4098700AClay-free, thixotropic wellbore fluidCHEMICAL ADDITIVES CO·Filed 1975·Granted Jul 4, 1978·25 cites·5 claims
- 0469US3993570AWater loss reduction agentsCHEMICAL ADDITIVES CO·Filed 1975·Granted Nov 23, 1976·24 cites·5 claims
- 0557US4090968AWater loss reduction agentsCHEMICAL ADDITIVES CO·Filed 1976·Granted May 23, 1978·14 cites·6 claims
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