US2731344A
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Process for making pulp and paper
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US2637069A
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Continuous manufacture of rayon yarns
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US2544509A
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Method of making paper containers greaseproof
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US2377435A
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Manufacture of cellulose nitrate
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US2401879A
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Purification of crude trinitrotoluene
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US2239925A
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Process of producing porous plaster and product thereof
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US2240191A
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Process of producing porous concrete
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US2298800A
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Process for the production of beryllium oxide or hydroxide
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US2280247A
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Waxlike product and method of making the same from tall oil or rosin and fatty acids
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US2297062A
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Separation of oil from gas
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US2308564A
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Recovery of cellulose and lignin from wood
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US2286220A
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Cellulose composition material
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US2164587A
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Method of producing amines
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US2072376A
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Process of removing fluorides from water
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US2063177A
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Recovery of organic constituents from black liquor
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US1932904A
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Process of making paper pulp
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US1943030A
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Propagation of trees from cuttings
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US1972568A
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Method of producing phenylstearic acid
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US1968304A
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Ink remover
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US1958439A
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Recovery of organic constituents from black liquor
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