Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4751324 | Benzoyl alanine compounds and their use as corrosion inhibitors | Josef Penninger, Karl Schmid | 1988-06-14 |
| 4705666 | Alkanolamin salts of alkenyl succinic acid dialkyl semiamide corrosion inhibitors | Alfred Struve, Horst Upadek | 1987-11-10 |
| 4686084 | Benzoyl alanines and their use as corrosion inhibitors | Josef Penninger | 1987-08-11 |
| 4678605 | Cationic surfactants based on quaternary ammonium compounds and methods of using same | Horst Rutzen | 1987-07-07 |
| 4629477 | Coagulating compositions containing a cyanamide component for coagulating lacquers, waxes and coating compositions | — | 1986-12-16 |
| 4612058 | Compositions for removing polymeric films | Dieter Meyer | 1986-09-16 |
| 4578208 | Compositions and processes for cleaning and passivating metals | Bernd Stedry | 1986-03-25 |
| 4541931 | Liquid neutral one package coagulating agents for lacquers and coating materials | Hans Rehm | 1985-09-17 |