Inventor · disambiguated record
Stephen D. Harper
Also filed as: HARPER STEPHEN · HARPER STEPHEN D
9 granted patents·1 pending application·557 citations·filing 1987–2005
91Inventor score
Top patents by PatentIndex Score
10 records- 0197US4721818APurification of polyols prepared using double metal cyanide complex catalystsATLANTIC RICHFIELD CO·Filed 1987·Granted Jan 26, 1988·155 cites·12 claims
- 0296US4877906APurification of polyols prepared using double metal cyanide complex catalystsARCO CHEM TECH·Filed 1988·Granted Oct 31, 1989·120 cites·38 claims
- 0394US5032671APreparation of lactone polymers using double metal cyanide catalystsARCO CHEM TECH·Filed 1990·Granted Jul 16, 1991·81 cites·20 claims
- 0492US5304665AProcess for the preparation of highly esterified alkoxylated polyol compositionsARCO CHEM TECH·Filed 1993·Granted Apr 19, 1994·47 cites·20 claims
- 0591US4843054APreparation of filterable double metal cyanide complex catalyst for propylene oxide polymerizationARCO CHEM TECH·Filed 1988·Granted Jun 27, 1989·69 cites·15 claims
- 0670US5736174AAlkoxylated alcohol fat substitutesARCO CHEM TECH·Filed 1996·Granted Apr 7, 1998·48 cites·14 claims
- 0763US5376398AReduced calorie food compositions containing fatty acid-esterified polytetramethylene ether glycol fat substitutesARCO CHEM TECH·Filed 1993·Granted Dec 27, 1994·22 cites·21 claims
- 0858US5003111AIsobutylene oxide polyolsARCO CHEM TECH·Filed 1989·Granted Mar 26, 1991·11 cites·31 claims
- 0940US5055496APolymer product containing isobutylene oxide polyolsARCO CHEM TECH·Filed 1990·Granted Oct 8, 1991·4 cites·14 claims
- 1036US2009044253A1Managing unprotected and protected content in private networksNOW TECHNOLOGIES PTY LTD·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →