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Multiple acetal containing resins
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Patent number 5,369,185
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Issue date Nov 29, 1994
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Air Products and Chemicals, Inc.
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William F. Burgoyne
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Aromatic diamine catalytic chain extenders
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Patent number 5,034,426
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Issue date Jul 23, 1991
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Air Products and Chemicals, Inc.
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Jeremiah P. Casey
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Membranes formed from unsaturated polyimides
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Patent number 4,952,220
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Issue date Aug 28, 1990
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Air Products and Chemicals, Inc.
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Michael Langsam
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Aromatic diamine catalytic chain extenders
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Patent number 4,937,306
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Issue date Jun 26, 1990
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Air Products and Chemicals, Inc.
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Jeremiah P. Casey
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Membranes formed from unsaturated polyimides
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Patent number 4,931,182
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Issue date Jun 5, 1990
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Air Products and Chemicals, Inc.
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William F. Burgoyne
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Diaminobenzoate catalytic chain extenders
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Patent number 4,908,394
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Issue date Mar 13, 1990
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Air Products and Chemicals, Inc.
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Jeremiah P. Casey
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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