Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5567272 | Process for recycling silicone-coated paper | Peter Hentzschel, Dieter Wolf | 1996-10-22 |
| 5518585 | Neutral sizing agent for base paper stuff with the use of cationic plastics dispersions | Hans-Ullrich Huth | 1996-05-21 |
| 5019606 | Aqueous solutions of polyamidoamine-epichlorohydrin resins, and preparation and use thereof | Manfred Marten | 1991-05-28 |
| 4977239 | Polybase from amino amido carboxylic acid, polyamine and difunctional alkylating agent | Karl-Heinz Keil | 1990-12-11 |