Inventor · disambiguated record
Michael Langsam
Also filed as: LANGSAM MICHAEL
20 granted patents·481 citations·filing 1982–1998
96Inventor score
Files withAIR PROD & CHEM20
Top patents by PatentIndex Score
20 records- 0187US4952220AMembranes formed from unsaturated polyimidesAIR PROD & CHEM·Filed 1989·Granted Aug 28, 1990·55 cites·15 claims
- 0286US6187248B1Nanoporous polymer films for extreme low and interlayer dielectricsAIR PROD & CHEM·Filed 1998·Granted Feb 13, 2001·80 cites·16 claims
- 0385US4657564AFluorinated polymeric membranes for gas separation processesAIR PROD & CHEM·Filed 1985·Granted Apr 14, 1987·44 cites·29 claims
- 0482US4897092APolyimide membrane having improved fluxAIR PROD & CHEM·Filed 1989·Granted Jan 30, 1990·46 cites·11 claims
- 0582US4859215APolymeric membrane for gas separationAIR PROD & CHEM·Filed 1988·Granted Aug 22, 1989·48 cites·19 claims
- 0679US5055616AOrtho-alkylated bisanilines having fluorenylidene bridging groupsAIR PROD & CHEM·Filed 1990·Granted Oct 8, 1991·16 cites·3 claims
- 0771US5042993AGas separating membranes from polyimide polymersAIR PROD & CHEM·Filed 1990·Granted Aug 27, 1991·33 cites·23 claims
- 0870US4954144APolyimide membranes and their use for gas separationAIR PROD & CHEM·Filed 1989·Granted Sep 4, 1990·29 cites·6 claims
- 0969US4759776APolytrialkylgermylpropyne polymers and membranesAIR PROD & CHEM·Filed 1986·Granted Jul 26, 1988·17 cites·47 claims
- 1067US4931182AMembranes formed from unsaturated polyimidesAIR PROD & CHEM·Filed 1989·Granted Jun 5, 1990·25 cites·15 claims
- 1165US5061298AGas separating membranes formed from blends of polyimide polymersAIR PROD & CHEM·Filed 1990·Granted Oct 29, 1991·27 cites·23 claims
- 1263US5034027AMembranes formed from rigid aromatic polyamidesAIR PROD & CHEM·Filed 1990·Granted Jul 23, 1991·14 cites·12 claims
- 1354US5045093AGas separating membranes from polyimide polymers and a process for using the sameAIR PROD & CHEM·Filed 1990·Granted Sep 3, 1991·18 cites·18 claims
- 1452US5939520AGas separation membranes based on regiospecific polyamide-imidesAIR PROD & CHEM·Filed 1997·Granted Aug 17, 1999·17 cites·14 claims
- 1535US4956095AWater or gas purification by bulk absorptionAIR PROD & CHEM·Filed 1989·Granted Sep 11, 1990·5 cites·6 claims
- 1634US4451625AReduction of wall fouling in the suspension polymerization of vinyl chloride homopolymerAIR PROD & CHEM·Filed 1982·Granted May 29, 1984·2 cites·9 claims
- 1732US4808679AProcess for controlling the molecular weight of poly(trialkylsilylpropyne) polymersAIR PROD & CHEM·Filed 1988·Granted Feb 28, 1989·1 cites·8 claims
- 1831US4990667AAlkylated 1,1-bis(4-aminophenyl)-1-phenyl-2,2,2-trifluoroethanesAIR PROD & CHEM·Filed 1990·Granted Feb 5, 1991·3 cites·4 claims
- 1930US4902763AProcess for the polymerization tri-substituted silylalkynesAIR PROD & CHEM·Filed 1988·Granted Feb 20, 1990·1 cites·8 claims
- 2030US4835229ACatalyst and process for the preparation of tri-substituted silylalkynesAIR PROD & CHEM·Filed 1988·Granted May 30, 1989·0 cites·11 claims
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