Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D607163 | Laundry composition component | — | 2009-12-29 |
| 5502016 | Method to treat an ion-exchanger catalyst for the process of bisphenol-A synthesis | Maciej Kiedik, Andrzej Krueger, Jo/ zef Ko t, Antoni Korek, Wojciech Balcerowiak +6 more | 1996-03-26 |
| 5470809 | Method to treat an ion-exchanger catalyst for the process to synthesize alkylphenols | Maciej Kiedik, Andrzej Krueger, Jozef Ko t, Bogus aw Tkacz, Tatiana Pers +5 more | 1995-11-28 |
| 5198591 | Method to manufacture bisphenol A | Maciej Kiedik, Jozef Kolt, Jerzy Marszycki, Eugeniusz Zajac, Teodor Bek +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 |