Inventor · disambiguated record
Sheau-Hwa Ma
Also filed as: MA SHEAU-HWA
57 granted patents·27 pending applications·3,630 citations·filing 1990–2024
99Inventor score
Top patents by PatentIndex Score
84 records- 0198US6117921AProcess for making printed images using pigmented ink jet compositionsDU PONT·Filed 1996·Granted Sep 12, 2000·145 cites·16 claims
- 0298US5519085AAqueous dispersions containing ABC triblock polymer dispersantsDU PONT·Filed 1995·Granted May 21, 1996·220 cites·27 claims
- 0398US5221334AAqueous pigmented inks for ink jet printersDU PONT·Filed 1991·Granted Jun 22, 1993·304 cites·14 claims
- 0497US6306994B1Inks with enhanced substrate binding characteristicsDU PONT·Filed 1999·Granted Oct 23, 2001·130 cites·12 claims
- 0597US5219945AABC triblock methacrylate polymersDU PONT·Filed 1992·Granted Jun 15, 1993·175 cites·19 claims
- 0697US5085698AAqueous pigmented inks for ink jet printersDU PONT·Filed 1990·Granted Feb 4, 1992·906 cites·25 claims
- 0796US5272201AAmine-containing block polymers for pigmented ink jet inksDU PONT·Filed 1992·Granted Dec 21, 1993·245 cites·18 claims
- 0896US5271765AAqueous cationic dye-based ink jet inksDU PONT·Filed 1992·Granted Dec 21, 1993·102 cites·19 claims
- 0995US5555008AProcess for alleviating bleed in printed elementsDU PONT·Filed 1994·Granted Sep 10, 1996·82 cites·25 claims
- 1094US5418277AAqueous ink jet inks containing fluorinated polymersDU PONT·Filed 1994·Granted May 23, 1995·82 cites·12 claims
- 1194US5302197AInk jet inksDU PONT·Filed 1992·Granted Apr 12, 1994·173 cites·18 claims
- 1292US6433117B1Phosphorylated polymer dispersants for inksDU PONT·Filed 1999·Granted Aug 13, 2002·85 cites·15 claims
- 1392US5393580AElement containing latent image suited for aqueous wash-out developmentDU PONT·Filed 1993·Granted Feb 28, 1995·75 cites·9 claims
- 1492US5270078AMethod for preparing high resolution wash-off imagesDU PONT·Filed 1992·Granted Dec 14, 1993·83 cites·15 claims
- 1591US6451950B1Polymeric pigment dispersants having multiple pigment anchoring groupsDU PONT·Filed 2000·Granted Sep 17, 2002·34 cites·14 claims
- 1691US5648405AAqueous ink jet inksDU PONT·Filed 1992·Granted Jul 15, 1997·66 cites·12 claims
- 1790US5571850AAqueous dispersions containing cyclopolymer dispersantsDU PONT·Filed 1994·Granted Nov 5, 1996·32 cites·9 claims
- 1887US5019549ADonor element for thermal imaging containing infra-red absorbing squarylium compoundKELLOGG REID E·Filed 1990·Granted May 28, 1991·89 cites·28 claims
- 1986US6232369B1Ink jet inks containing hydrosols as polymer additivesDU PONT·Filed 1996·Granted May 15, 2001·50 cites·16 claims
- 2086US5512418AInfra-red sensitive aqueous wash-off photoimaging elementDU PONT·Filed 1993·Granted Apr 30, 1996·63 cites·5 claims
- 2185US7714069B2Method of producing adherent coatings on resinous substratesDU PONT·Filed 2006·Granted May 11, 2010·5 cites·22 claims
- 2285US6455628B1Two component dispersant for wet milling processDU PONT·Filed 2001·Granted Sep 24, 2002·16 cites·11 claims
- 2385US5466653AMethod for preparing negative-working wash-off relief images and non-photosensitive elements for use thereinDU PONT·Filed 1994·Granted Nov 14, 1995·56 cites·22 claims
- 2484US7910644B2High film build coating composition containing polytrimethylene ether diolDU PONT·Filed 2009·Granted Mar 22, 2011·6 cites·10 claims
- 2584US6521715B1Graft copolymer pigment dispersantsDU PONT·Filed 2000·Granted Feb 18, 2003·21 cites·22 claims
- 2684US6472463B1Graft copolymer pigment dispersantDU PONT·Filed 1999·Granted Oct 29, 2002·44 cites·16 claims
- 2784US5209814AMethod for diffusion patterningDU PONT·Filed 1991·Granted May 11, 1993·70 cites·9 claims
- 2883US5854331ABlock copolymers of oxazolines and oxazines as pigment dispersants and their use in ink jet inksDU PONT·Filed 1997·Granted Dec 29, 1998·49 cites·10 claims
- 2982US9523018B2Methods for making coating compositions having predetermined VOC contents, methods for making systems for producing such coating compositions, and temperature adjusters for making such coating compositionsAXALTA COATING SYSTEMS IP CO·Filed 2014·Granted Dec 20, 2016·2 cites·19 claims
- 3082US7763679B2Adherent coating compositions for resinous substratesDU PONT·Filed 2006·Granted Jul 27, 2010·4 cites·20 claims
- 3179US9605164B2Low solids coating compositions having polyurea rheology control agents, methods for making such coating compositions, and systems for making such coating compositionsAXALTA COATING SYSTEMS IP CO·Filed 2014·Granted Mar 28, 2017·2 cites·19 claims
- 3277US9403986B2Graft copolymer pigment dispersantMA SHEAU-HWA·Filed 2010·Granted Aug 2, 2016·2 cites·15 claims
- 3376US8357456B2Rapid drying lacquersDU PONT·Filed 2008·Granted Jan 22, 2013·7 cites·22 claims
- 3476US6495618B1Graft copolymer with an amide functional group as a pigment dispersantDU PONT·Filed 1999·Granted Dec 17, 2002·15 cites·21 claims
- 3574US5801738AProcess for alleviating bleed and improving color in printed elementsDU PONT·Filed 1996·Granted Sep 1, 1998·27 cites·18 claims
- 3674US5292556AMethod for preparing negative-working wash-off relief imagesDU PONT·Filed 1992·Granted Mar 8, 1994·22 cites·14 claims
- 3773US2024336779A1Dispersant polymer and composition comprising the sameAXALTA COATING SYSTEMS IP CO·Filed 2024·Application pending·0 cites
- 3872US6852803B2Graft copolymer with a urethane/urea group as a pigment dispersantDU PONT·Filed 2002·Granted Feb 8, 2005·10 cites·23 claims
- 3967US11760832B2Dispersant polymer and composition comprising the sameAXALTA COATING SYSTEMS IP CO·Filed 2021·Granted Sep 19, 2023·0 cites·20 claims
- 4067US6020400AInk jet inks containing emulsion polymer additives stabilized with structured polymersDU PONT·Filed 1996·Granted Feb 1, 2000·35 cites·8 claims
- 4165US10077374B2Methods for making coating compositions having predetermined VOC contents, methods for making systems for producing such coating compositions, and temperature adjusters for making such coating compositionsAXALTA COATING SYSTEMS IP CO·Filed 2016·Granted Sep 18, 2018·0 cites·17 claims
- 4264US11130879B2Dispersants, coating compositions including dispersants, and methods of forming the sameAXALTA COATING SYSTEMS IP CO·Filed 2018·Granted Sep 28, 2021·0 cites·20 claims
- 4359US6037390ASmear resistant pigmented ink jet inks containing β-diketone or ureido dispersantsDU PONT·Filed 1997·Granted Mar 14, 2000·18 cites·9 claims
- 4459US5416145AAqueous anionic dye based ink jet inksDU PONT·Filed 1993·Granted May 16, 1995·17 cites·11 claims
- 4556US5275689AMethod and compositions for diffusion patterningDU PONT·Filed 1991·Granted Jan 4, 1994·25 cites·13 claims
- 4656US2011165423A1Polytrimethylene ether diol based coating composition and use thereofDU PONT·Filed 2009·Application pending·0 cites
- 4756US2010081753A1Process for producing block copolymer pigment dispersantsDU PONT·Filed 2009·Application pending·0 cites
- 4856US2011052920A1Polyester and polytrimethylene ether diol based coating compositionDU PONT·Filed 2009·Application pending·0 cites
- 4956US2010081769A1Process for producing block copolymer pigment dispersantsDU PONT·Filed 2009·Application pending·0 cites
- 5055US5721330AMacromonomers with high acid content and their method of preparationDU PONT·Filed 1995·Granted Feb 24, 1998·12 cites·20 claims
Showing the top 50 of 84 patent records by PatentIndex Score.
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