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Composition for sizing paper
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Patent number 10,513,828
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Issue date Dec 24, 2019
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Kemira Chemie Ges.mbH
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Leo Schmid
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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Reinforced wallboard
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Patent number 3,967,016
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Issue date Jun 29, 1976
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National Gypsum Company
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Joseph W. Schneller
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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3699202
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Patent number 3,699,202
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Issue date Oct 17, 1972
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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3574053
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Patent number 3,574,053
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Issue date Apr 6, 1971
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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3461029
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Patent number 3,461,029
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Issue date Aug 12, 1969
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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2999789
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Patent number 2,999,789
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Issue date Sep 12, 1961
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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1820962
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Patent number 1,820,962
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Issue date Sep 1, 1931
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE