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Concentrated fabric softeners
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Patent number 4,659,487
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Issue date Apr 21, 1987
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Hoechst Aktiengesellschaft
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Adolf May
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C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
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Softener-containing washing agent
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Patent number 4,589,988
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Issue date May 20, 1986
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Hoechst Aktiengesellschaft
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Hans-Peter Rieck
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C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
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Concentrated softener masterbatches
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Patent number 4,476,030
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Issue date Oct 9, 1984
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Hoechst Aktiengesellschaft
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Adolf May
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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Concentrated fabric softeners
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Patent number 4,447,343
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Issue date May 8, 1984
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Hoechst Aktiengesellschaft
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Adolf May
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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Textile softener
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Patent number 4,439,331
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Issue date Mar 27, 1984
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Hoechst Aktiengesellschaft
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Siegfried Billenstein
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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Fabric softener
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Patent number 4,399,043
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Issue date Aug 16, 1983
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Hoechst Aktiengesellschaft
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Karl-Heinz Keil
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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Fabric softener concentrate
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Patent number 4,351,737
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Issue date Sep 28, 1982
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Hoechst Aktiengesellschaft
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Siegfried Billenstein
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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Quaternary ammonium compounds
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Patent number 4,339,391
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Issue date Jul 13, 1982
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Hoechst Aktiengesellschaft
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Erich Hoffmann
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C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
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Fabric softeners
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Patent number 4,129,506
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Issue date Dec 12, 1978
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Hoechst Aktiengesellschaft
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Karl H. Wallhausser
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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Fabric softeners
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Patent number 4,118,324
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Issue date Oct 3, 1978
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Hoechst Aktiengesellschaft
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Willi Steckelberg
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE