MT

Malcolm D. Tirel

CI Ciba-Geigy: 4 patents #661 of 2,867Top 25%
📍 Alderley Edge, GB: #1 of 16 inventorsTop 7%
Overall (All Time): #1,301,369 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4917992 Developing agents William E. Long 1990-04-17
4753869 Photographic developing agents containing stable, soluble, pyrazolidinones William E. Long, Monica H. Gent, Terence C. Webb 1988-06-28
4732981 3-pyrazolidinone salts William E. Long 1988-03-22
4687846 Pyrazolidinone salts as developing agents William E. Long 1987-08-18