Issued Patents All Time
Showing 101–112 of 112 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5354937 | 2-tert-amyl compounds | Juergen Schroeder | 1994-10-11 |
| 5298668 | Catalytic preparation of formaldehyde condensates | Eugen Gehrer, Wolfgang Harder, Johann-Peter Melder, Joaquim Henrique Teles | 1994-03-29 |
| 5292894 | Preparation of benzo[b]thiophenes | Juergen Schroeder | 1994-03-08 |
| 5008398 | Preparation of p-nitrophenyl-imidazoles | Hermann Koehler, Helmut Karn, Christof Taubitz | 1991-04-16 |
| 4996289 | Continuous preparation of aqueous melamine/formaldehyde precondensate solutions | Heinz Berbner, Michael Kuczaty, Bernhard Seid, Frank P. Woerner, Hans D. Zettler | 1991-02-26 |
| 4950763 | Preparation of ketones | Charles Schommer, Toni Dockner, Matthias Irgang, Wolfgang Hoelderich, Harald Rust | 1990-08-21 |
| 4888412 | Tanning assistant | Wolfgang Reuther, Rolf Fikentscher, Dietrich Lach, Rolf Streicher, Ortwin Schaffer | 1989-12-19 |
| 4886882 | Hydroxyoxaalkylmelamines | Wolfgang Reuther | 1989-12-12 |
| 4855427 | Epoxy resins obtained from reaction of epoxyalkyl halides and aromatic hydroxyl-containing melamines | Roland Peter, Thomas Allspach | 1989-08-08 |
| 4670558 | Aminoalkylmelamines | Wolfgang Reuther | 1987-06-02 |
| 4668785 | Preparation of (2-hydroxyethyl)-melamines and their use as modifiers in the preparation of aminoplast resins | Wolfgang Reuther, Wolfram Weiss, Ludwig Lelgemann | 1987-05-26 |
| 4618676 | "Preparation of N,N',N""-tris-(2-hydroxypropyl)-melamine" | Wolfgang Reuther | 1986-10-21 |