Issued Patents 1997
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698729 | Process for preparing 6-alkoxy-(6H)-dibenzoC,E!1,2!-oxaphosphorines | — | 1997-12-16 |
| 5693842 | Process for preparing phosphorus-containing dicarboxylic acids alkyl esters thereof | Volker Freudenberger, Peter Klein | 1997-12-02 |
| 5684182 | Sulfonated diphosphines and a process for their preparation | Christoph Naumann, Ahmed M. Tafesh, Dieter Regnat | 1997-11-04 |
| 5679842 | Process for the preparation of aminomethanephosphonic acid and aminomethylphosphinic acids | — | 1997-10-21 |
| 5648549 | Process for the preparation of secondary arylphosphines | — | 1997-07-15 |
| 5648171 | Epoxy resin mixtures containing phosphorus acid/epoxy resin adducts | Wolfgang von Gentzkow, Jürgen Huber, Heinrich Kapitza, Wolfgang Rogler | 1997-07-15 |
| 5624979 | Stabilized phosphorus-modified epoxy resins and their use | Dieter Regnat | 1997-04-29 |
| 5600006 | Bis(diarylalkyl)phosphines | Dieter Regnat | 1997-02-04 |