Inventor · disambiguated record
Ben Duh
Also filed as: DUH BEN
18 granted patents·577 citations·filing 1979–2002
96Inventor score
Top patents by PatentIndex Score
18 records- 0197US4238593AMethod for production of a high molecular weight polyester prepared from a prepolymer polyester having an optimal carboxyl contentGOODYEAR TIRE & RUBBER·Filed 1979·Granted Dec 9, 1980·141 cites·45 claims
- 0292US4205157AMethod for production of high molecular weight polyester with low catalyst level and low carboxyl contentGOODYEAR TIRE & RUBBER·Filed 1979·Granted May 27, 1980·51 cites·44 claims
- 0388US6113997AProcess to prepare a polyester resinSHELL OIL CO·Filed 1999·Granted Sep 5, 2000·74 cites·15 claims
- 0488US5408035ASolid state polymerizationSHELL OIL CO·Filed 1993·Granted Apr 18, 1995·43 cites·39 claims
- 0588US4963644AProcess for crystallization of polyethylene naphthalateGOODYEAR TIRE & RUBBER·Filed 1989·Granted Oct 16, 1990·38 cites·19 claims
- 0686US4374975AProcess for the production of high molecular weight polyesterGOODYEAR TIRE & RUBBER·Filed 1982·Granted Feb 22, 1983·36 cites·3 claims
- 0781US5391694ASolid state polymerization of polyesters with low diffusion resistance prepolymer granulesSHELL OIL CO·Filed 1993·Granted Feb 21, 1995·23 cites·17 claims
- 0879US6403762B1Solid state polymerization process for poly(trimethylene terephthalate) utilizing a combined crystallization/preheating stepSHELL OIL CO·Filed 2001·Granted Jun 11, 2002·15 cites·6 claims
- 0979US5744578AProcess for the crystallization of polyethylene naphthalate prepolymers and the solid stating of those crystallized prepolymersSHELL OIL CO·Filed 1997·Granted Apr 28, 1998·31 cites·33 claims
- 1078US6441129B2High temperature solid state polymerization of poly (trimethylene terephthalate)SHELL OIL CO·Filed 2001·Granted Aug 27, 2002·16 cites·9 claims
- 1175US6297315B1Process for preparing polytrimethylene terephthalateSHELL OIL CO·Filed 1999·Granted Oct 2, 2001·28 cites·10 claims
- 1271US5449701ASolid state polymerization process for foamed poly(ethylene naphthalate)SHELL OIL CO·Filed 1994·Granted Sep 12, 1995·15 cites·16 claims
- 1369US5750644AProcess for the crystallization of polyethylene naphthalate prepolymers and the solid stating of those crystallized prepolymersSHELL OIL CO·Filed 1996·Granted May 12, 1998·21 cites·24 claims
- 1463US6461575B1Apparatus for crystallization of polytrimethylene terephthalateSHELL OIL CO·Filed 1999·Granted Oct 8, 2002·24 cites·1 claims
- 1560US5412063ASolid state polymerization of polyesters with low diffusion resistance prepolymer granulesSHELL OIL CO·Filed 1994·Granted May 2, 1995·9 cites·20 claims
- 1655US6610819B2Reduction of friability of poly(trimethylene terephthalate)SHELL OIL CO·Filed 2002·Granted Aug 26, 2003·3 cites·11 claims
- 1741US5478868ASolid state polymerization process for foamed poly(ethylene naphthalate)SHELL OIL CO·Filed 1995·Granted Dec 26, 1995·6 cites·19 claims
- 1835US6124423AProcess for crystallizing polyethylene naphthalate copolymers in the absence of devolatilizationSHELL OIL CO·Filed 1999·Granted Sep 26, 2000·3 cites·49 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →