Inventor · disambiguated record
James B. Sieja
Also filed as: SIEJA JAMES B · SIEJA JAMES BERNARD
9 granted patents·127 citations·filing 1983–1998
89Inventor score
Files withDU PONT9
Top patents by PatentIndex Score
9 records- 0189US5312959APurification of 2-methylglutaronitrile or adiponitrileDU PONT·Filed 1993·Granted May 17, 1994·35 cites·2 claims
- 0283US5192399APurification of aminonitriles or diaminesDU PONT·Filed 1991·Granted Mar 9, 1993·25 cites·3 claims
- 0374US5162567APurification of 6-aminocapronitrileDU PONT·Filed 1992·Granted Nov 10, 1992·13 cites·8 claims
- 0471US4933483AManufacture of 5-cyanovaleric acid and its estersDU PONT·Filed 1988·Granted Jun 12, 1990·10 cites·8 claims
- 0570US5153351ARemoval of tetrahydroazepine (tha) from 6-aminocapronitrile by reaction with reactive methylene compoundsDU PONT·Filed 1992·Granted Oct 6, 1992·11 cites·3 claims
- 0668US5133838APurification of 6-aminocapronitrileDU PONT·Filed 1991·Granted Jul 28, 1992·10 cites·4 claims
- 0765US4508660ACarbonylation of olefinically unsaturated nitriles and acids using a sulfone solventDU PONT·Filed 1983·Granted Apr 2, 1985·14 cites·11 claims
- 0860US4950778AManufacture of 5-cyanovaleric acid and its esters using cyclic cosolventsDU PONT·Filed 1989·Granted Aug 21, 1990·6 cites·11 claims
- 0946US5892123AProcess for reproducing a mixture containing cyclododecanone and cyclododecanolDU PONT·Filed 1998·Granted Apr 6, 1999·3 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →