Michael Langsam

Person

Allentown, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Nanoporous polymer films for extreme low and interlayer dielectrics
- Patent number 6,187,248
- Issue date Feb 13, 2001
- Air Products and Chemicals, Inc.
- Mark Leonard O'Neill
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Gas separation membranes based on regiospecific polyamide-imides
- Patent number 5,939,520
- Issue date Aug 17, 1999
- Air Products and Chemicals, Inc.
- Michael Langsam
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Gas separating membranes formed from blends of polyimide polymers
- Patent number 5,061,298
- Issue date Oct 29, 1991
- Air Products and Chemicals, Inc.
- William F. Burgoyne
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Ortho-alkylated bisanilines having fluorenylidene bridging groups
- Patent number 5,055,616
- Issue date Oct 8, 1991
- Air Products and Chemicals, Inc.
- William F. Burgoyne
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Gas separating membranes from polyimide polymers and a process for...
- Patent number 5,045,093
- Issue date Sep 3, 1991
- Air Products and Chemicals, Inc.
- Ingrid K. Meier
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Gas separating membranes from polyimide polymers
- Patent number 5,042,993
- Issue date Aug 27, 1991
- Air Products and Chemicals, Inc.
- Ingrid K. Meier
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Membranes formed from rigid aromatic polyamides
- Patent number 5,034,027
- Issue date Jul 23, 1991
- Air Products and Chemicals, Inc.
- Chao-Fong Tien
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Alkylated 1,1-bis(4-aminophenyl)-1-phenyl-2,2,2-trifluoroethanes
- Patent number 4,990,667
- Issue date Feb 5, 1991
- Air Products and Chemicals, Inc.
- William F. Burgoyne
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Water or gas purification by bulk absorption
- Patent number 4,956,095
- Issue date Sep 11, 1990
- Air Products and Chemicals, Inc.
- Lloyd M. Robeson
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Polyimide membranes and their use for gas separation
- Patent number 4,954,144
- Issue date Sep 4, 1990
- Air Products and Chemicals, Inc.
- William F. Burgoyne
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Membranes formed from unsaturated polyimides
- Patent number 4,952,220
- Issue date Aug 28, 1990
- Air Products and Chemicals, Inc.
- Michael Langsam
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Membranes formed from unsaturated polyimides
- Patent number 4,931,182
- Issue date Jun 5, 1990
- Air Products and Chemicals, Inc.
- William F. Burgoyne
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the polymerization tri-substituted silylalkynes
- Patent number 4,902,763
- Issue date Feb 20, 1990
- Air Products and Chemicals, Inc.
- Ann C. Savoca
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyimide membrane having improved flux
- Patent number 4,897,092
- Issue date Jan 30, 1990
- Air Products and Chemicals, Inc.
- William F. Burgoyne
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymeric membrane for gas separation
- Patent number 4,859,215
- Issue date Aug 22, 1989
- Air Products and Chemicals, Inc.
- Michael Langsam
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Catalyst and process for the preparation of tri-substituted silylal...
- Patent number 4,835,229
- Issue date May 30, 1989
- Air Products and Chemicals, Inc.
- Michael Langsam
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for controlling the molecular weight of poly(trialkylsilylp...
- Patent number 4,808,679
- Issue date Feb 28, 1989
- Air Products and Chemicals, Inc.
- Michael Langsam
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polytrialkylgermylpropyne polymers and membranes
- Patent number 4,759,776
- Issue date Jul 26, 1988
- Air Products and Chemicals, Inc.
- Michael Langsam
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Fluorinated polymeric membranes for gas separation processes
- Patent number 4,657,564
- Issue date Apr 14, 1987
- Air Products and Chemicals, Inc.
- Michael Langsam
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Reduction of wall fouling in the suspension polymerization of vinyl...
- Patent number 4,451,625
- Issue date May 29, 1984
- Air Products and Chemicals, Inc.
- John T. C. Cheng
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Michael Langsam

Person

Patents Grantslast 30 patents

Nanoporous polymer films for extreme low and interlayer dielectrics

Gas separation membranes based on regiospecific polyamide-imides

Gas separating membranes formed from blends of polyimide polymers

Ortho-alkylated bisanilines having fluorenylidene bridging groups

Gas separating membranes from polyimide polymers and a process for...

Gas separating membranes from polyimide polymers

Membranes formed from rigid aromatic polyamides

Alkylated 1,1-bis(4-aminophenyl)-1-phenyl-2,2,2-trifluoroethanes

Water or gas purification by bulk absorption

Polyimide membranes and their use for gas separation

Membranes formed from unsaturated polyimides

Membranes formed from unsaturated polyimides

Process for the polymerization tri-substituted silylalkynes

Polyimide membrane having improved flux

Polymeric membrane for gas separation

Catalyst and process for the preparation of tri-substituted silylal...

Process for controlling the molecular weight of poly(trialkylsilylp...

Polytrialkylgermylpropyne polymers and membranes

Fluorinated polymeric membranes for gas separation processes

Reduction of wall fouling in the suspension polymerization of vinyl...