Inventor · disambiguated record
David Spence
Also filed as: SPENCE DAVID · SPENCE DAVID C
3 granted patents·65 citations·filing 1985–2009
72Inventor score
Technology areasC07C
Top patents by PatentIndex Score
3 records- 0187US4558168AProduction of high purity butene-1 from an n-butane feedstockAIR PROD & CHEM·Filed 1985·Granted Dec 10, 1985·48 cites·4 claims
- 0278US8258357B2Production of propylene from butaneDUKANDAR KERMAN·Filed 2009·Granted Sep 4, 2012·7 cites·5 claims
- 0366US4560824AHeat balance control in catalytic dehydrogenation of isobutaneAIR PROD & CHEM·Filed 1985·Granted Dec 24, 1985·10 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →