Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5646210 | Method for the preparation of polymeric spacing particles | Daniel M. Timmerman, Ronny De Clercq, Wolfgang Podszun, Rainer Brandt | 1997-07-08 |
| 5627008 | Thermal transfer printing process using a mixture of reducing agents for image-wise reducing a silver source | Wilhelmus Janssens, Jean-Marie Dewanckele | 1997-05-06 |
| 5601962 | Thermal transfer process wherein a reducing agent and toning agent are transferred to a receiving element containing a thermoreducible silver source | Wilhelmus Janssens | 1997-02-11 |
| 5599647 | New toning agents for thermographic and photothermographic materials and process | Marcel J. Monbaliu, Jean-Marie Dewanckele | 1997-02-04 |