SD

Siegfried Darda

BO BOE: 4 patents #4,064 of 12,373Top 35%
AL Alza: 1 patents #287 of 419Top 70%
Overall (All Time): #1,306,586 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4578264 Retard form of pharmaceuticals with insoluble porous diffusion coatings Herbert Stricker, Bernhard Freund, Heribert Harwalik, Karl L. Rominger, Volkmar Haselbarth +5 more 1986-03-25
4459279 Retard form of pharmaceuticals with insoluble porous diffusion coatings Herbert Stricker, Bernhard Freund, Heribert Harwalik, Karl L. Rominger, Volkmar Haselbarth +5 more 1984-07-10
4361546 Retard form of pharmaceuticals with insoluble porous diffusion coatings Herbert Stricker, Bernhard Freund, Heribert Harwalik, Karl L. Rominger, Volkmar Haselbarth +5 more 1982-11-30
4201211 Therapeutic system for administering clonidine transdermally Santosh K. Chandrasekaran, Alan S. Michaels, Gary W. Cleary 1980-05-06