Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5198591 | Method to manufacture bisphenol A | Maciej Kiedik, Jozef Kolt, Jerzy Marszycki, Teodor Bek, Zbigniew Swiderski +3 more | 1993-03-30 |
| 4906789 | Methods for bisphenol A production | Edward Grzywa, Maciej Kiedik, Jo Kolt, Adam Mazur, Jerzy Marszycki +5 more | 1990-03-06 |