Inventor · disambiguated record

Stephen Ian Clarke

Also filed as: CLARKE STEPHEN I · CLARKE STEPHEN IAN

2 granted patents·56 citations·filing 1993–1997

64Inventor score

Technology areasC01B C07C

Files withAIR PROD & CHEM2

Top patents by PatentIndex Score

2 records

0178US5275701AProcess for purification and concentration of sulfuric acidAIR PROD & CHEM·Filed 1993·Granted Jan 4, 1994·42 cites·6 claims
0267US5902910AWeak acid process for producing dinitrotolueneAIR PROD & CHEM·Filed 1997·Granted May 11, 1999·14 cites·13 claims

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