Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6472550 | Process for the preparation of low chloride stabilizers | Vien Van Toan | 2002-10-29 |
| 5942290 | Molecular complex compounds of acylphosphine oxide and .alpha.-hydroxy ketones as photoinitiators | David G. Leppard, Thomas L. James, Nils Hock, Manfred Kohler | 1999-08-24 |
| 5856550 | Enhancement of the storage stability of organic phosphites and phosphonites | Helmut Linhart, Udo Quotschalla, Jean-Roch Pauquet, Jurg Zingg | 1999-01-05 |
| 5072055 | Process for the preparation of substituted phenols | Hugo Illy, Rudolf Schwabe | 1991-12-10 |