Heugebaert; Frans Clement
Patent Applications and Registrations
Patent applications and USPTO patent grants for Heugebaert; Frans Clement.The latest application filed is for "photographic light-sensitive and heat developable material".
- Heugebaert; Frans Clement - Kontich BE
| Patent | Date |
|---|---|
| Photographic light-sensitive and heat developable material Grant 3,933,507 - VON Konig , et al. January 20, 1 | 1976-01-20 |
| Silver Halide Emulsion Stabilized With A Bidentate Heterocyclic Compound Containing A Sulpho Or A Carboxyl Group Grant 3,808,005 - Willems , et al. April 30, 1 | 1974-04-30 |
| Photographic Silver Halide Recording Material Grant 3,801,330 - Brinckman , et al. April 2, 1 | 1974-04-02 |
| Photographic Light-sensitive Silver Halide Material Grant 3,615,616 - Willens , et al. October 26, 1 | 1971-10-26 |
| Sulphonated S-alkyl And S-aralkyl Thiosulphates Grant 3,607,904 - Willems , et al. September 21, 1 | 1971-09-21 |
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