Inventor
SHEPPARD CLYDE H
US86 patents
⚠️ This page may combine multiple inventors who share the name “SHEPPARD CLYDE H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BOEING CO
49 patentsUS5817744AOct 6, 1998
Phenylethynyl capped imides
BOEING CO52 citations96
US5516876AMay 14, 1996
Polyimide oligomers and blends
BOEING CO43 citations96
US5403666AApr 4, 1995
Composites containing amideimide sized fibers
BOEING CO35 citations96
US5239046AAug 24, 1993
Amideimide sizing for carbon fiber
BOEING CO48 citations96
US5210213AMay 11, 1993
Dimensional, crosslinkable oligomers
BOEING CO39 citations96
US5155206AOct 13, 1992
Crosslinkable polyamideimide oligomers and a method of preparation
BOEING CO34 citations96
US4851495AJul 25, 1989
Polyetherimide oligomer
BOEING CO64 citations96
US4739030AApr 19, 1988
Difunctional end-cap monomers
BOEING CO50 citations96
US4684714AAug 4, 1987
Method for making polyimide oligomers
BOEING CO62 citations96
US4584364AApr 22, 1986
Phenolic-capped imide sulfone resins
BOEING CO61 citations96
US4536559AAug 20, 1985
Thermally stable polyimide polysulfone compositions for composite structures
BOEING CO71 citations96
US4476184AOct 9, 1984
Thermally stable polysulfone compositions for composite structures
BOEING CO119 citations96
US5969079AOct 19, 1999
Oligomers with multiple chemically functional end caps
BOEING CO42 citations93
US5780583AJul 14, 1998
Reactive polyarylene sulfide oligomers
BOEING CO46 citations93
US5705574AJan 6, 1998
Method for making a polyimide blend
BOEING CO35 citations93
US5693741ADec 2, 1997
Liquid molding compounds
BOEING CO22 citations93
US5654396AAug 5, 1997
Polyimide oligomers
BOEING CO26 citations93
US5645925AJul 8, 1997
Advanced composite blends
BOEING CO37 citations93
US5573854ANov 12, 1996
Composites made from multidimensional oligomers
BOEING CO19 citations93
US5530089AJun 25, 1996
Polysulfoneimides
BOEING CO30 citations93
US5512676AApr 30, 1996
Extended amideimide hub for multidimensional oligomers
BOEING CO27 citations93
US5463076AOct 31, 1995
Method of making multidimensional oligomers
BOEING CO20 citations93
US5446120AAug 29, 1995
Polyethersulfone oligomers and blends
BOEING CO32 citations93
US5367083ANov 22, 1994
Extended acid halide capping monomers
BOEING CO21 citations93
US5344894ASep 6, 1994
Polyimide oligomers and blends
BOEING CO33 citations93
US5286811AFeb 15, 1994
Blended polyimide oligomers and method of curing polyimides
BOEING CO20 citations93
US5216117AJun 1, 1993
Amideimide blends
BOEING CO28 citations93
US5175233ADec 29, 1992
Multidimensional ester or ether oligomers with pyrimidinyl end caps
BOEING CO25 citations93
US5175234ADec 29, 1992
Lightly crosslinked polyimides
BOEING CO34 citations93
US5175304ADec 29, 1992
Halo- or nitro-intermediates useful for synthesizing etherimides
BOEING CO22 citations93
US5159055AOct 27, 1992
Coreactive oligomer blends
BOEING CO22 citations93
US5151487ASep 29, 1992
Method of preparing a crosslinking oligomer
BOEING CO43 citations93
US5126410AJun 30, 1992
Heterocycle oligomers
BOEING CO24 citations93
US5120819AJun 9, 1992
High performance heterocycles
BOEING CO25 citations93
US5116935AMay 26, 1992
Polyimide oligomers and blends and method of curing
BOEING CO49 citations93
US5115087AMay 19, 1992
Coreactive imido oligomer blends
BOEING CO27 citations93
US5112939AMay 12, 1992
Oligomers having pyrimidinyl end caps
BOEING CO40 citations93
US5109105AApr 28, 1992
Polyamide oligomers
BOEING CO27 citations93
US5104967AApr 14, 1992
Amideimide oligomers and blends
BOEING CO43 citations93
US5087701AFeb 11, 1992
Phthalimide acid halides
BOEING CO23 citations93
US5082905AJan 21, 1992
Blended heterocycles
BOEING CO26 citations93
US5071941ADec 10, 1991
Multidimensional ether sulfone oligomers
BOEING CO27 citations93
US5011905AApr 30, 1991
Polyimide oligomers and blends
BOEING CO27 citations93
US4985568AJan 15, 1991
Method of making crosslinking imidophenylamines
BOEING CO24 citations93
US4981922AJan 1, 1991
Blended etherimide oligomers
BOEING CO27 citations93
US4980481ADec 25, 1990
End-cap monomers and oligomers
BOEING CO38 citations93
US4965336AOct 23, 1990
High performance heterocycle oligomers and blends
BOEING CO26 citations93
US4935523AJun 19, 1990
Crosslinking imidophenylamines
BOEING CO31 citations93
US4876328AOct 24, 1989
Polyamide composition
BOEING CO34 citations93
TRW INC
1 patentShowing the top 50 of 86 patents by PatentIndex Score.