Wienand; Henning
Patent Applications and Registrations
Patent applications and USPTO patent grants for Wienand; Henning.The latest application filed is for "basic chromium aluminum sulfates and their preparation".
- Wienand; Henning - Neulussheim DE
- Wienand; Henning - Hockenheim DE
| Patent | Date |
|---|---|
| Basic chromium aluminum sulfates and their preparation Grant 4,629,616 - Ostertag , et al. December 16, 1 | 1986-12-16 |
| Yellow pigment containing bismuth vanadate and having the composition BiVO.sub.4.xBi.sub.2 MoO.sub.6.yBi.sub.2 WO.sub.6 Grant 4,455,174 - Wienand , et al. June 19, 1 | 1984-06-19 |
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