Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4906789 | Methods for bisphenol A production | Edward Grzywa, Maciej Kiedik, Jo Kolt, Adam Mazur, Jerzy Marszycki +5 more | 1990-03-06 |
| 4301305 | Continuous process for preparation of dian | Maciej Kiedik, Jozef Kolt, Jerzy Czyz, Edward Grzywa, Anna Niezgoda | 1981-11-17 |