Issued Patents All Time
Showing 126–145 of 145 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4521346 | Process for preparing chlorodiphenylphosphane | — | 1985-06-04 |
| 4521347 | Process for preparing chlorophenylphosphanes | — | 1985-06-04 |
| 4493803 | Process for the preparation of vinylphosphonic acid diesters and vinylphosphonic acid | Walter Dursch | 1985-01-15 |
| 4485052 | Process for the preparation of phosphonous acids | Hubert Neumaier | 1984-11-27 |
| 4481151 | Process for the preparation of dialkylphosphinic acid halides | — | 1984-11-06 |
| 4474711 | Process for the preparation of monoalkyl phosphonites | Horst-Dieter Thamm | 1984-10-02 |
| 4427602 | Process for the preparation of vinylphosphonic acid dichloride and 2-chloroethanephosphonic acid dichloride | — | 1984-01-24 |
| 4426325 | Process for the preparation of compounds containing carboxylic acid amide groups, in particular or peptides | Hans Wissmann | 1984-01-17 |
| 4426336 | Process for the preparation of vinylphosphonic acid derivatives and the use thereof | Walter Dursch | 1984-01-17 |
| 4413121 | Cellulose ethers and cellulose mixed ethers having at least one phosphorus-containing substituent, and process for their manufacture | Lothar Brandt, Arno Holst | 1983-11-01 |
| 4401473 | Use of dimethylphosphinylalkanephosphonic acid as a setting retarder in gypsum | Volker Knittel, Gerhard Debus | 1983-08-30 |
| 4388252 | Process for the manufacture of vinyl phosphonic acid derivatives | Walter Dursch | 1983-06-14 |
| 4386036 | Process for the preparation of vinylphosphonic acid | — | 1983-05-31 |
| 4331592 | Process for the preparation of carboxylic acid amides and peptides | Hans Wissmann | 1982-05-25 |
| RE30783 | Flame retarding linear polyesters and shaped articles thereof | Manfred Finke, Ulrich Bollert, Walter Herwig | 1981-10-27 |
| 4267125 | Process for the manufacture of phosphinic and phosphonic acid anhydrides | Walter Dursch | 1981-05-12 |
| 4250124 | Organic phosphorus compounds possessing 3-hydroxyalkylphosphinic acid ester groups | Walter Dursch, Fritz Linke | 1981-02-10 |
| 4244893 | Polyphosphorus compounds obtained by reacting an alcohol, phosphorus anhydride and an oxalkylating agent | Walter Dursch, Fritz Linke | 1981-01-13 |
| 4196141 | Bisphosphinic acid anhydrides and process for their preparation | Walter Dursch, Fritz Linke | 1980-04-01 |
| 4195035 | Alkane-bisalkyl-phosphinic anhydrides and process for the manufacture of alkane-phosphonic anhydrides and alkane-bis alkyl-phosphinic anhydrides | Walter Dursch | 1980-03-25 |