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Heinz Hefti
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Reinach, CH
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last 30 patents
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Patent Grant
Stable bleaching detergents containing stilbene fluorescent whiteni...
Patent number
5,035,825
Issue date
Jul 30, 1991
Ciba-Geigy Corporation
Claude Eckhardt
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Storage-stable anionic liquid detergent compositions containing amp...
Patent number
4,940,555
Issue date
Jul 10, 1990
Ciba-Geigy Corporation
Claude Eckhardt
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Liquid detergent compositions containing disulfonated fluorescent w...
Patent number
4,925,595
Issue date
May 15, 1990
Ciba-Geigy Corporation
Heinz Hefti
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Mixtures of fluorescent whitening agents
Patent number
4,889,655
Issue date
Dec 26, 1989
Ciba-Geigy Corporation
Heinz Hefti
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Process for increasing the degree of whiteness of polyester-contain...
Patent number
4,830,763
Issue date
May 16, 1989
Ciba-Geigy Corporation
Heinz Hefti
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...