Inventor · disambiguated record
Clyde H. Sheppard
Also filed as: SHEPPARD CLYDE H · VAUGHAN ROBERT W
86 granted patents·2,583 citations·filing 1974–1997
99Inventor score
Top patents by PatentIndex Score
86 records- 0198US4476184AThermally stable polysulfone compositions for composite structuresBOEING CO·Filed 1983·Granted Oct 9, 1984·119 cites·20 claims
- 0296US4414269ASolvent resistant polysulfone and polyethersulfone compositionsTRW INC·Filed 1981·Granted Nov 8, 1983·87 cites·10 claims
- 0394US4684714AMethod for making polyimide oligomersBOEING CO·Filed 1985·Granted Aug 4, 1987·62 cites·18 claims
- 0493US4851495APolyetherimide oligomerBOEING CO·Filed 1987·Granted Jul 25, 1989·64 cites·19 claims
- 0593US4584364APhenolic-capped imide sulfone resinsBOEING CO·Filed 1984·Granted Apr 22, 1986·61 cites·13 claims
- 0692US5516876APolyimide oligomers and blendsBOEING CO·Filed 1994·Granted May 14, 1996·43 cites·11 claims
- 0792US5116935APolyimide oligomers and blends and method of curingBOEING CO·Filed 1989·Granted May 26, 1992·49 cites·13 claims
- 0892US4851501APolyethersulfone prepregs, composites, and blendsBOEING CO·Filed 1987·Granted Jul 25, 1989·50 cites·18 claims
- 0992US4739030ADifunctional end-cap monomersBOEING CO·Filed 1986·Granted Apr 19, 1988·50 cites·8 claims
- 1092US4536559AThermally stable polyimide polysulfone compositions for composite structuresBOEING CO·Filed 1983·Granted Aug 20, 1985·71 cites·11 claims
- 1191US5239046AAmideimide sizing for carbon fiberBOEING CO·Filed 1992·Granted Aug 24, 1993·48 cites·15 claims
- 1291US4935523ACrosslinking imidophenylaminesBOEING CO·Filed 1987·Granted Jun 19, 1990·31 cites·18 claims
- 1391US4547553APolybutadiene modified polyester compositionsBOEING CO·Filed 1985·Granted Oct 15, 1985·31 cites·21 claims
- 1490US5817744APhenylethynyl capped imidesBOEING CO·Filed 1997·Granted Oct 6, 1998·52 cites·13 claims
- 1590US5780583AReactive polyarylene sulfide oligomersBOEING CO·Filed 1991·Granted Jul 14, 1998·46 cites·41 claims
- 1690US4661604AMonofunctional crosslinking imidophenolsTRW INC·Filed 1983·Granted Apr 28, 1987·43 cites·4 claims
- 1789US5969079AOligomers with multiple chemically functional end capsBOEING CO·Filed 1994·Granted Oct 19, 1999·42 cites·32 claims
- 1889US5151487AMethod of preparing a crosslinking oligomerBOEING CO·Filed 1991·Granted Sep 29, 1992·43 cites·8 claims
- 1989US4980481AEnd-cap monomers and oligomersBOEING CO·Filed 1988·Granted Dec 25, 1990·38 cites·17 claims
- 2088US5530089APolysulfoneimidesBOEING CO·Filed 1988·Granted Jun 25, 1996·30 cites·17 claims
- 2188US5210213ADimensional, crosslinkable oligomersBOEING CO·Filed 1987·Granted May 11, 1993·39 cites·12 claims
- 2288US5112939AOligomers having pyrimidinyl end capsBOEING CO·Filed 1990·Granted May 12, 1992·40 cites·12 claims
- 2388US4871475APolysulfone and polyethersulfone oligomersBOEING CO·Filed 1985·Granted Oct 3, 1989·36 cites·15 claims
- 2487US5155206ACrosslinkable polyamideimide oligomers and a method of preparationBOEING CO·Filed 1989·Granted Oct 13, 1992·34 cites·20 claims
- 2587US4868270AHeterocycle sulfone oligomers and blendsBOEING CO·Filed 1987·Granted Sep 19, 1989·34 cites·33 claims
- 2686US5403666AComposites containing amideimide sized fibersBOEING CO·Filed 1993·Granted Apr 4, 1995·35 cites·28 claims
- 2786US4876328APolyamide compositionBOEING CO·Filed 1987·Granted Oct 24, 1989·34 cites·51 claims
- 2885US5344894APolyimide oligomers and blendsBOEING CO·Filed 1992·Granted Sep 6, 1994·33 cites·31 claims
- 2985US5104967AAmideimide oligomers and blendsBOEING CO·Filed 1988·Granted Apr 14, 1992·43 cites·38 claims
- 3083US5714566AMethod for making multiple chemically functional oligomersBOEING CO·Filed 1995·Granted Feb 3, 1998·34 cites·25 claims
- 3183US5175234ALightly crosslinked polyimidesBOEING CO·Filed 1989·Granted Dec 29, 1992·34 cites·29 claims
- 3283US5109105APolyamide oligomersBOEING CO·Filed 1989·Granted Apr 28, 1992·27 cites·26 claims
- 3383US5087701APhthalimide acid halidesBOEING CO·Filed 1990·Granted Feb 11, 1992·23 cites·29 claims
- 3483US4847333ABlended polyamide oligomersBOEING CO·Filed 1987·Granted Jul 11, 1989·34 cites·20 claims
- 3582US5175304AHalo- or nitro-intermediates useful for synthesizing etherimidesBOEING CO·Filed 1990·Granted Dec 29, 1992·22 cites·15 claims
- 3682US5115087ACoreactive imido oligomer blendsBOEING CO·Filed 1988·Granted May 19, 1992·27 cites·45 claims
- 3782US5071941AMultidimensional ether sulfone oligomersBOEING CO·Filed 1989·Granted Dec 10, 1991·27 cites·16 claims
- 3882US4981922ABlended etherimide oligomersBOEING CO·Filed 1988·Granted Jan 1, 1991·27 cites·20 claims
- 3982US4965336AHigh performance heterocycle oligomers and blendsBOEING CO·Filed 1987·Granted Oct 23, 1990·26 cites·27 claims
- 4081US5705574AMethod for making a polyimide blendBOEING CO·Filed 1995·Granted Jan 6, 1998·35 cites·16 claims
- 4180US5594089AHeterocycle or heterocycle sulfone oligomers with multiple chemically functional end capsBOEING CO·Filed 1994·Granted Jan 14, 1997·28 cites·20 claims
- 4280US5082905ABlended heterocyclesBOEING CO·Filed 1991·Granted Jan 21, 1992·26 cites·9 claims
- 4380US5011905APolyimide oligomers and blendsBOEING CO·Filed 1990·Granted Apr 30, 1991·27 cites·30 claims
- 4480US4985568AMethod of making crosslinking imidophenylaminesBOEING CO·Filed 1989·Granted Jan 15, 1991·24 cites·10 claims
- 4579US5512676AExtended amideimide hub for multidimensional oligomersBOEING CO·Filed 1994·Granted Apr 30, 1996·27 cites·4 claims
- 4679US5175233AMultidimensional ester or ether oligomers with pyrimidinyl end capsBOEING CO·Filed 1992·Granted Dec 29, 1992·25 cites·14 claims
- 4778US4338225AHigh performance resin reaction products of carboxyl terminated 1,2-polybutadiene with epoxides and acid terminated difunctional aliphatic alcoholsBOEING CO·Filed 1980·Granted Jul 6, 1982·25 cites·13 claims
- 4877US5968640AConductive, thermally stable oligomersBOEING CO·Filed 1985·Granted Oct 19, 1999·39 cites·21 claims
- 4977US5645925AAdvanced composite blendsBOEING CO·Filed 1990·Granted Jul 8, 1997·37 cites·45 claims
- 5076US5159055ACoreactive oligomer blendsBOEING CO·Filed 1992·Granted Oct 27, 1992·22 cites·8 claims
Showing the top 50 of 86 patent records by PatentIndex Score.
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