Assignee
EXCEL MINERAL COMPANY INC
US·3 granted patents·42 citations·filing 1984–1986
Top patents by PatentIndex Score
3 records- 0169US4666688AMethod for recovery and conversion of strontium sulfate to strontium carbonate from low and medium grade celestite oresEXCEL MINERAL COMPANY INC·Filed 1986·Granted May 19, 1987·18 cites·10 claims
- 0261US4659664AStructures containing immobilized microbial cellsEXCEL MINERAL COMPANY INC·Filed 1985·Granted Apr 21, 1987·24 cites·4 claims
- 037US4728347AApplication of water to particulate matter in a gas stream to facilitate separation of the sameEXCEL MINERAL COMPANY INC·Filed 1984·Granted Mar 1, 1988·0 cites·5 claims
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