P

Inventor

HERGENROTHER PAUL M

US56 patents
⚠️ This page may combine multiple inventors who share the name “HERGENROTHER PAUL M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NASA

29 patents
US6359107B1Mar 19, 2002

Composition of and method for making high performance resins for infusion and transfer molding processes

NASA59 citations96
US4510296AApr 9, 1985

Phenoxy resins containing pendent ethynyl groups and cured resins obtained therefrom

NASA59 citations96
US6441099B1Aug 27, 2002

Phenylethynyl containing reactive additives

NASA27 citations92
US6350817B1Feb 26, 2002

Phenylethynyl containing reactive additives

NASA25 citations92
US6124035ASep 26, 2000

High temperature transfer molding resins

NASA40 citations92
US5145942ASep 8, 1992

Methyl substituted polyimides containing carbonyl and ether connecting groups

NASA32 citations92
US5145937ASep 8, 1992

Polyimides with carbonyl and ether connecting groups between the aromatic rings

NASA22 citations92
US4567240AJan 28, 1986

Ethynyl terminated ester oligomers and polymers therefrom

NASA27 citations92
US6958192B2Oct 25, 2005

Polyimides from 2,3,3′,4′-biphenyltetracarboxylic dianhydride and aromatic diamines

NASA16 citations84
US7109287B2Sep 19, 2006

Space environmentally durable polyimides and copolyimides

NASA12 citations83
US6841652B2Jan 11, 2005

Space environmentally durable polyimides and copolyimides

NASA12 citations83
US4861882AAug 29, 1989

Ethynyl terminated imidothioethers and resins therefrom

NASA21 citations79
US5182356AJan 26, 1993

Poly(1,2,4-triazole) via aromatic nucleophilic displacement

NASA7 citations74
US5116934AMay 26, 1992

Polyimidazoles via aromatic nucleophilic displacement

NASA7 citations74
US5010197AApr 23, 1991

Polyphenylquinoxalines via aromatic nucleophilic displacement

NASA7 citations74
US4908426AMar 13, 1990

Polyphenylquinoxalines via aromatic nucleophilic displacement

NASA10 citations74
US4788271ANov 29, 1988

Polyphenylquinoxalines containing alkylenedioxy groups

NASA10 citations74
US4587312AMay 6, 1986

Sulfone-ester polymers containing pendent ethynyl groups

NASA14 citations74
US4431761AFeb 14, 1984

Ethynyl and substituted ethynyl-terminated polysulfones

NASA17 citations74
US5212276AMay 18, 1993

Polyimides with improved compression moldability

NASA6 citations72
US4375536AMar 1, 1983

Polyphenylquinoxalines containing pendant phenylethynyl and ethynyl groups

NASA14 citations67
US5245044ASep 14, 1993

Di(hydroxyphenyl)-benzimidazole monomers

NASA4 citations63
US5118781AJun 2, 1992

Poly(1,3,4-oxadiozoles) via aromatic nucleophilic displacement

NASA5 citations63
US5066811ANov 19, 1991

Polyimidazoles via aromatic nucleophilic displacement

NASA6 citations63
US4937356AJun 26, 1990

N-(3-ethynylphenyl)maleimide

NASA2 citations63
US4889912ADec 26, 1989

Acetylene terminated aspartimides and resins therefrom

NASA2 citations63
US4638083AJan 20, 1987

Ethynyl terminated ester oligomers and polymers therefrom

NASA6 citations63
US4622182ANov 11, 1986

5-(4-ethynylophenoxy)isophthalic chloride

NASA5 citations63
US4774359ASep 27, 1988

Polyenamines from aromatic diacetylenic diketones and diamines

NASA2 citations61

US ARMY

19 patents
US5681967AOct 28, 1997

Phenylethynyl phthalic anhydride

US ARMY43 citations96
US5606014AFeb 25, 1997

Imide oligomers and co-oligomers containing pendent phenylethynyl groups and polymers therefrom

US ARMY58 citations96
US5567800AOct 22, 1996

Imide oligomers endcapped with phenylethynyl phthalic anhydrides and polymers therefrom

US ARMY82 citations96
US5268444ADec 7, 1993

Phenylethynyl-terminated poly(arylene ethers)

US ARMY75 citations96
US5498803AMar 12, 1996

Poly(arylene ether)s containing pendent ethynyl groups

US ARMY31 citations93
US5344982ASep 6, 1994

Diamines and polyimides containing pendent ethynyl groups

US ARMY23 citations93
US5689004ANov 18, 1997

Diamines containing pendent phenylethynyl groups

US ARMY27 citations92
US5637670AJun 10, 1997

Polybenzimidazoles via aromatic nucleophilic displacement

US ARMY31 citations92
US5446204AAug 29, 1995

Phenylethynyl reactive diluents

US ARMY20 citations92
US5410012AApr 25, 1995

Poly(N-arylenebenzimidazoles) via aromatic nucleophilic displacement

US ARMY39 citations92
US5317078AMay 31, 1994

Polybenzimidazole via aromatic nucleophilic displacement

US ARMY20 citations92
US5760168AJun 2, 1998

Imide oligomers endcapped with phenylethynl phthalic anhydrides and polymers therefrom

US ARMY25 citations87
US5599993AFeb 4, 1997

Phenylethynyl amine

US ARMY15 citations82
US5312994AMay 17, 1994

Phenylethynyl endcapping reagents and reactive diluents

US ARMY17 citations82
US5270432ADec 14, 1993

Polybenzoxazole via aromatic nucleophilic displacement

US ARMY20 citations82
US5554715ASep 10, 1996

Poly(N-arylenebenzimidazole)s via aromatic nucleophilic displacement

US ARMY5 citations74
US5426234AJun 20, 1995

Phenylethynyl terminated reactive oligomer

US ARMY5 citations74
US5412059AMay 2, 1995

Polybenzimidazoles via aromatic nucleophilic displacement

US ARMY13 citations74
US5304627AApr 19, 1994

Polyimides containing pendent siloxane groups

US ARMY11 citations74

THER UNITED STATES OF AMERICA

1 patent

USA

1 patent

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