Inventor · disambiguated record
Stephen J. Havens
Also filed as: HAVENS STEPHEN J
15 granted patents·335 citations·filing 1984–1996
94Inventor score
Top patents by PatentIndex Score
15 records- 0191US5726216AToughened epoxy resin system and a method thereofLOCKHEED MARTIN ENERGY SYS INC·Filed 1996·Granted Mar 10, 1998·69 cites·8 claims
- 0291US5412066APhenylethynyl terminated imide oligomersTHER UNITED STATES OF AMERICA·Filed 1994·Granted May 2, 1995·58 cites·10 claims
- 0387US5877229AHigh energy electron beam curing of epoxy resin systems incorporating cationic photoinitiatorsLOCKHEED MARTIN ENERGY SYS INC·Filed 1995·Granted Mar 2, 1999·50 cites·24 claims
- 0483US5145942AMethyl substituted polyimides containing carbonyl and ether connecting groupsNASA·Filed 1990·Granted Sep 8, 1992·32 cites·7 claims
- 0581US4567240AEthynyl terminated ester oligomers and polymers therefromNASA·Filed 1984·Granted Jan 28, 1986·27 cites·14 claims
- 0677US5145937APolyimides with carbonyl and ether connecting groups between the aromatic ringsNASA·Filed 1989·Granted Sep 8, 1992·22 cites·5 claims
- 0770US4661558AProcess for crosslinking and extending conjugated diene-containing polymersNASA·Filed 1986·Granted Apr 28, 1987·18 cites·22 claims
- 0867US4820791APolyimides containing carbonyl and ether connecting groupsUSA·Filed 1987·Granted Apr 11, 1989·15 cites·3 claims
- 0958US4788271APolyphenylquinoxalines containing alkylenedioxy groupsNASA·Filed 1987·Granted Nov 29, 1988·10 cites·1 claims
- 1054US5599993APhenylethynyl amineUS ARMY·Filed 1995·Granted Feb 4, 1997·15 cites·2 claims
- 1146US5212276APolyimides with improved compression moldabilityNASA·Filed 1990·Granted May 18, 1993·6 cites·10 claims
- 1246US4638083AEthynyl terminated ester oligomers and polymers therefromNASA·Filed 1985·Granted Jan 20, 1987·6 cites·2 claims
- 1336US4937356AN-(3-ethynylphenyl)maleimideNASA·Filed 1989·Granted Jun 26, 1990·2 cites·1 claims
- 1436US4889912AAcetylene terminated aspartimides and resins therefromNASA·Filed 1989·Granted Dec 26, 1989·2 cites·22 claims
- 1533US4910233AProcess for crosslinking methylene-containing aromatic polymers with ionizing radiationNASA·Filed 1986·Granted Mar 20, 1990·3 cites·17 claims
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