Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4474932 | Process for the production of aromatic ethers and aromatic polyethers | Hans R. Kricheldorf | 1984-10-02 |
| 4288607 | Bis-carbalkoxy compounds and their preparation | Dagmar Kottek, Egon N. Petersen, Hermann Richtzenhain, Norbert Vollkommer | 1981-09-08 |
| 4219591 | Process for coating an inorganic silicatic substrate | Robert Buning | 1980-08-26 |