Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11814467 | Process for the production of polyurethane foams | Pranaya Man Singh PRADHAN, Eswaramurthi NACHIAPPAN, Prem Kumar DHANAPAL | 2023-11-14 |
| 7300993 | Process for the preparation of polyether polyols | Jan Hermen Hendrik Meurs, Peter Schut | 2007-11-27 |
| 7112551 | Double metal complex catalyst | Johan Paul Smit, Robert Adrianus Wilhelmus Grotenberg, Riemer Alberts De Groot | 2006-09-26 |
| 7060647 | Double metal complex catalyst | Johan Paul Smit, Robert Adrianus Wilhelmus Grotenbreg, Riemer Alberts De Groot | 2006-06-13 |
| 6977236 | Preparation of a double metal cyanide catalyst | Robert Adrianus Wilhelmus Grotenbreg, Ronald Van Kempen | 2005-12-20 |
| 6716788 | Preparation of a double metal cyanide catalyst | Robert Adrianus Wilhelmus Grotenbreg, Ronald Van Kempen | 2004-04-06 |
| 6699961 | DMC complex catalyst and process for its preparation | Riemer Alberts De Groot, Ronald Van Kempen, Johan Paul Smit | 2004-03-02 |
| 6596842 | Polymerizing alkylene oxide with sound or radiation treated DMC | Johan Paul Smit, Robert Adrianus Wilhelmus Grotenbreg, Riemer Alberts De Groot | 2003-07-22 |
| 6403667 | Macromer stabiliser precursor for polymer polyols | Willem Karzijn, Ronald Van Kempen | 2002-06-11 |