Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9676689 | Manufacture of methylolalkanes with augmented heat transfer and improved temperature control | Michael J. Stone, Howard W. Brooks, Heinz Strutz, Donald K. Raff, Guido D. Frey +4 more | 2017-06-13 |
| 9394218 | Manufacture of methylolalkanes | Heinz Strutz, Donald K. Raff, Guido D. Frey, Norman Nowotny, Fred Gaytan +2 more | 2016-07-19 |
| 8354561 | Trimethylolpropane color improvement | Kenneth A. Windhorst, David P. Harris, Fred Gaytan | 2013-01-15 |