Inventor · disambiguated record
John M. Iwasyk
Also filed as: IWASYK JOHN M · IWASYK JOHN MAURICE
10 granted patents·291 citations·filing 1974–2003
91Inventor score
Top patents by PatentIndex Score
10 records- 0191US6069228AProcess for preparing polyamidesDU PONT·Filed 1998·Granted May 30, 2000·79 cites·29 claims
- 0291US3948862AContinuous process for preparing aliphatic polycarbonamidesDU PONT·Filed 1974·Granted Apr 6, 1976·48 cites·2 claims
- 0384US5811496AProcess for polymerization of polyester oligomersDU PONT·Filed 1995·Granted Sep 22, 1998·78 cites·19 claims
- 0472US5411710AApparatus for processing materialsDU PONT·Filed 1993·Granted May 2, 1995·33 cites·17 claims
- 0560US4090261AApparatus for finishing high viscosity synthetic polymersDU PONT·Filed 1977·Granted May 16, 1978·12 cites·7 claims
- 0657US6405996B1Control valve for extreme temperatures and pressuresDU PONT·Filed 2000·Granted Jun 18, 2002·11 cites·8 claims
- 0749US6875838B2Process for reducing caprolactam and its oligomers in nylon-6 pre-polymerINVISTA NORTH AMERICAL S A R L·Filed 2003·Granted Apr 5, 2005·4 cites·5 claims
- 0845US4477271AModified nozzles for polymer finishersDU PONT·Filed 1983·Granted Oct 16, 1984·11 cites·12 claims
- 0939US5502154AApparatus for processing materialsDU PONT·Filed 1995·Granted Mar 26, 1996·10 cites·2 claims
- 1035US5506336AContinuous process for preparing a synthetic linear, fiber-forming polyamideDU PONT·Filed 1994·Granted Apr 9, 1996·5 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →