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Petrozyme Trademarks
PETROZYME
Enzymatic non-living organism in the nature of a catalyst solution for use in the petroleum oil recovery industry
Cancelled
·
December 7, 2008
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77628077
·
PETROZYME
chemicals, namely, enzyme catalysts for biodegrading hydrocarbons in petrochemical bioremediation applications
Abandoned
·
January 30, 1998
·
75426113
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