Issued Patents All Time
Showing 26–50 of 145 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5811575 | Process for preparing vinyl-phosphonic acids | Gunter Roscher | 1998-09-22 |
| 5811567 | "Process for preparing the crystal modification of 2,2',2""-nitrilo triethyl tris(3,3',5,5'-tetra-tert-butyl-1,1'-biphenyl-2,2'-diyl)phosphite!" | Gerhard Pfahler | 1998-09-22 |
| 5801291 | Process for the preparation of aldehydes by means of a catalyst system comprising rhodium and substituted diphenyldiphospines | Helmut Bahrmann, Dieter Regnat | 1998-09-01 |
| 5801287 | Substituted diphenyldiphosphines and a process for their preparation | Dieter Regnat, Helmut Bahrmann | 1998-09-01 |
| 5801263 | Process for preparing tertiary phosphines containing phosphinate or phosphonate groups, and novel tertiary phosphines containing phosphinate groups | Thomas Seitz, Steffen Haber | 1998-09-01 |
| 5789623 | Process for the preparation of hydroxybiarylphosphines and novel compounds of this group of substances | Dieter Regnat | 1998-08-04 |
| 5780534 | Flameproofed polyester molding composition | Winfried Budzinsky, Gunther Kirsch | 1998-07-14 |
| 5773556 | Low-flammability polyamide molding materials | Winfried Budzinsky, Gunther Kirsch | 1998-06-30 |
| 5767317 | Process for preparing 2,2'-bis(diphenylphosphinylmethyl)-1,1'-binaphthyls and new compounds from this class of substances | Dieter Regnat, Horst Roschert | 1998-06-16 |
| 5756804 | Homogeneous process for carrying out cross-coupling reactions | Steffen Haber | 1998-05-26 |
| 5756638 | Phosphorus-modified epoxy resins, process for the preparation thereof and use thereof | Wolfgang von Gentzkow, Jürgen Huber, Heinrich Kapitza, Wolfgang Rogler, Uwe Schönamsgruber | 1998-05-26 |
| 5756848 | Process for preparing secondary arylphosphine oxides | — | 1998-05-26 |
| 5750728 | Process for the preparation of aromatic bromomethyl compounds | Adalbert Wagner, Heinz-Werner Kleemann, Dieter Regnat | 1998-05-12 |
| 5739372 | Oxaphosphorins and a process for their preparation | Dieter Regnat | 1998-04-14 |
| 5734072 | Process for preparing monoalkyl phosphonites | — | 1998-03-31 |
| 5719309 | Process for preparing 4-bromomethyl-3-methoxy-benzoic esters | Dieter Regnat | 1998-02-17 |
| 5705670 | Process for the preparation of alkali metal salts of phosphonic acid monomethyl esters | — | 1998-01-06 |
| 5705669 | Alkyl arylphosphinites | — | 1998-01-06 |
| 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 |