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Yuyal Halpern
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Skokie, IL, US
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Aromatic polysulfone thermoplastics protected from discoloration du...
Patent number
4,740,547
Issue date
Apr 26, 1988
Borg-Warner Chemicals, Inc.
Yuyal Halpern
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...