Inventor · disambiguated record
George T. Sperl
Also filed as: SPERL GEORGE T
8 granted patents·505 citations·filing 1984–1994
90Inventor score
Top patents by PatentIndex Score
8 records- 0193US4879231ATransformation of yeasts of the genus pichiaPHILLIPS PETROLEUM CO·Filed 1984·Granted Nov 7, 1989·141 cites·18 claims
- 0292US4818700APichia pastoris argininosuccinate lyase gene and uses thereofPHILLIPS PETROLEUM CO·Filed 1985·Granted Apr 4, 1989·151 cites·5 claims
- 0387US5405531AMethod for reducing the amount of and preventing the formation of hydrogen sulfide in an aqueous systemGEO MICROBIAL TECH INC·Filed 1993·Granted Apr 11, 1995·62 cites·23 claims
- 0485US5044435AEnhanced oil recovery using denitrifying microorganismsINJECTECH INC·Filed 1990·Granted Sep 3, 1991·92 cites·36 claims
- 0583US5750392AComposition for reducing the amount of and preventing the formation of hydrogen sulfide in an aqueous system, particularly in an aqueous system used in oil field applicationsGEO MICROBIAL TECH INC·Filed 1994·Granted May 12, 1998·32 cites·17 claims
- 0670US5204261ACatalase-negative pichia pastorisPHILLIPS PETROLEUM CO·Filed 1991·Granted Apr 20, 1993·16 cites·1 claims
- 0746US5250483AMethod for treatment of catalysts using denitrifying bacteriaGEO MICROBIAL TECH INC·Filed 1992·Granted Oct 5, 1993·10 cites·10 claims
- 0831US4795708ANovel backteria and single cell protein production therewithPHILLIPS PETROLEUM CO·Filed 1986·Granted Jan 3, 1989·1 cites·18 claims
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