| 4749758 |
Process for the preparation of copolymers of vinylphosphonic acid and (meth) acrylic acid in aqueous solution |
Jurgen Grosse, Werner Gohla, Friedrich Engelhardt, Ulrich Riegel |
1988-06-07 |
| 4743666 |
Water-soluble copolymers with pendant phosphonic, sulphonic and amide groups |
Friedrich Engelhardt, Klaus Kuhlein, Juliane Balzer, Hans-Jerg Kleiner |
1988-05-10 |
| 4709086 |
Process for the preparation of 4-benzyl aspartate |
Merten Schlingmann, Hans-Ullrich Hoppe |
1987-11-24 |
| 4696987 |
Process for the preparation of polymers of vinylphosphonic acid in protic solvents |
Walter Herwig, Friedrich Engelhardt |
1987-09-29 |
| 4585845 |
Phosphonic acid cross-linked hydrophilic copolymers |
Friedrich Engelhardt, Klaus Kuhlein, Juliane Balzer, Hans-Jerg Kleiner |
1986-04-29 |
| 4548762 |
Process for the preparation of vinylphosphonic acid dichloride and 2-chloroethanephosphonic acid dichloride |
Hans-Jerg Kleiner |
1985-10-22 |
| 4493803 |
Process for the preparation of vinylphosphonic acid diesters and vinylphosphonic acid |
Hans-Jerg Kleiner |
1985-01-15 |
| 4426336 |
Process for the preparation of vinylphosphonic acid derivatives and the use thereof |
Hans-Jerg Kleiner |
1984-01-17 |
| 4401471 |
Inorganic cellular material and process for the manufacture thereof |
Peter Eckardt |
1983-08-30 |
| 4388252 |
Process for the manufacture of vinyl phosphonic acid derivatives |
Hans-Jerg Kleiner |
1983-06-14 |
| 4314052 |
Polyester which is soluble or dispersible in water, a process for its preparation and its use as a levelling auxiliary, levelling auxiliaries and processes for uniform dyeing |
Friedrich Engelhardt, Karl Hintermeier, Joachim Ribka, Walter Rupp |
1982-02-02 |
| 4284410 |
Process for the pretreatment of cellulose fibers to be printed according to the thermotransfer printing method |
Ehrenfried Nischwitz |
1981-08-18 |
| 4267125 |
Process for the manufacture of phosphinic and phosphonic acid anhydrides |
Hans-Jerg Kleiner |
1981-05-12 |
| 4250124 |
Organic phosphorus compounds possessing 3-hydroxyalkylphosphinic acid ester groups |
Fritz Linke, Hans-Jerg Kleiner |
1981-02-10 |
| 4244893 |
Polyphosphorus compounds obtained by reacting an alcohol, phosphorus anhydride and an oxalkylating agent |
Hans-Jerg Kleiner, Fritz Linke |
1981-01-13 |
| 4220610 |
Organic phosphorus compounds with 2-hydroxyalkyl-phosphonic acid groups |
Fritz Linke |
1980-09-02 |
| 4196141 |
Bisphosphinic acid anhydrides and process for their preparation |
Hans-Jerg Kleiner, 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 |
Hans-Jerg Kleiner |
1980-03-25 |