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Removal of sulfuric acid compounds
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Patent number 4,025,479
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Issue date May 24, 1977
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Hoechst Aktiengesellschaft
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Albert Jung
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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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3672886
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Patent number 3,672,886
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Issue date Jun 27, 1972
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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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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3578476
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Patent number 3,578,476
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Issue date May 11, 1971
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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3546147
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Patent number 3,546,147
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Issue date Dec 8, 1970
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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3448078
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Patent number 3,448,078
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Issue date Jun 3, 1969
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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3151096
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Patent number 3,151,096
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Issue date Sep 29, 1964
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C07 - ORGANIC CHEMISTRY
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2995536
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Patent number 2,995,536
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Issue date Aug 8, 1961
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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2811566
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Patent number 2,811,566
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Issue date Oct 29, 1957
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C07 - ORGANIC CHEMISTRY
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2428358
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Patent number 2,428,358
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Issue date Oct 7, 1947
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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2399735
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Patent number 2,399,735
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Issue date May 7, 1946
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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1793311
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Patent number 1,793,311
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Issue date Feb 17, 1931
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...