Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873320 | Water-soluble monoazo and disazo dyes containing a fiber-reactive 2-chloro-4-(nitrophenylamino-alkylamino)-s-triazin-6-ylamino grouping with a fiber-reactive group of the vinylsulfone series as a substituent in the nitrophenyl moiety | Hartmut Springer, Holger M. Buch | 1989-10-10 |
| 4840811 | Process for producing colorless, odorless and tasteless cassia endosperm flour | Friedrich Bayerlein, Nikolaos Keramaris, Nikolaus Kottmair, Michel Maton | 1989-06-20 |
| 4826700 | Gelling agents and thickeners based on cassia-galactomannans | Friedrich Bayerlein, Michel Maton | 1989-05-02 |