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Phenolic chelate resin
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Patent number 4,028,284
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Issue date Jun 7, 1977
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Unitika Ltd.
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Masahide Hirai
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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3672935
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Patent number 3,672,935
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Issue date Jun 27, 1972
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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3663256
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Patent number 3,663,256
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Issue date May 16, 1972
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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3606988
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Patent number 3,606,988
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Issue date Sep 21, 1971
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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3497465
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Patent number 3,497,465
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Issue date Feb 24, 1970
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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2227618
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Patent number 2,227,618
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Issue date Jan 7, 1941
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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2147789
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Patent number 2,147,789
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Issue date Feb 21, 1939
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...