HH

Helmut Huber-Emden

CI Ciba-Geigy: 3 patents #802 of 2,867Top 30%
Overall (All Time): #1,663,546 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4990164 Process for the photochemical stabilization of undyed and dyed polyamide fibre material and blends thereof with copper complex of hydroxy-salicyl-oyl-hydroxylamine derivative Gerhard Reinert 1991-02-05
4655783 Process for photochemical stabilization of non-dyed and dyed polyamide fibre material and mixtures thereof Gerhard Reinert, Gerhard Back 1987-04-07
4655785 Process for photochemical stabilization of polyamide and polyurethane fiber materials with metal complex compounds Gerhard Reinert, Gerhard Back 1987-04-07