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Hailing Duan

FC Fuji Hunt Photographic Chemicals: 6 patents #1 of 17Top 6%
TI Toray Industries: 1 patents #2,000 of 3,690Top 55%
📍 Chiba, NJ: #2 of 3 inventorsTop 70%
Overall (All Time): #736,449 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
9452963 Method for producing 1,3-butadiene and/or 3-buten-2-ol Satoshi Sakami, Katsushige Yamada, Satoshi Sato 2016-09-27
6770429 Single part color photographic developer concentrate 2004-08-03
6197484 Method of making a single part color photographic processing composition in slurry form Hongzoon Kim, Mani Philipose 2001-03-06
6126840 Process for removing silver in the presence of iron from waste effluent William S. Lovell 2000-10-03
5993668 Method for removing metal ions and/or complexes containing metal ions from a solution 1999-11-30
5914221 Single part color photographic processing composition in slurry form Hongzoon Kim, Mani Philipose 1999-06-22
5728295 Apparatus for removing metal ions and/or complexes containing metal ions from a solution 1998-03-17