Issued Patents All Time
Showing 1–25 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5894743 | Single needle bed machine process for manufacturing of pile warp knit fabric | Jörg Bredemeyer | 1999-04-20 |
| 5801230 | Polyfunctional azo reactive dyestuffs | Frank-Michael Stohr | 1998-09-01 |
| 5744589 | Disazo reactive dyestuffs containing fiber-reactive radicals | — | 1998-04-28 |
| 5665124 | Process for dyeing and printing materials containing hydroxyl and/or carboxamide groups | Joachim Wolff | 1997-09-09 |
| 5625042 | Diazo reactive dyestuffs, their preparations and use | Joachim Wolff | 1997-04-29 |
| 5569747 | Reactive disazo dyestuffs which contain two heterocyclic reactive groups | Joachim Wolff | 1996-10-29 |
| 5463031 | Reactive dyestuffs | Frank-Michael Stohr, Karl K. Schundehutte | 1995-10-31 |
| 5459246 | Reactive dyestuffs containing hydroxy naphthalene disulphonic acids | Klaus Wunderlich | 1995-10-17 |
| 5453501 | Phthalocyanine reactive dyestuffs | — | 1995-09-26 |
| 5359042 | 2,4-diamino-6-fluorotriazine diazo reactive dyestuffs | Frank-Michael Stohr | 1994-10-25 |
| 5310906 | Triphendioxazine dyestuffs | — | 1994-05-10 |
| 5268474 | Process for the preparation of reactive dyestuffs | — | 1993-12-07 |
| 5241057 | Amino disazo dyestuffs containing a fluoropyrimidinyl or a fluorotriazinyl reactive group | — | 1993-08-31 |
| 5212289 | Reactive azo dyestuffs obtained by coupling diazotized acylamino-aminobenzene sulfonic acid compounds with pyridone derivatives | Karl-Josef Herd, Karl H. Schundehutte, Eva Schundehutte, heir | 1993-05-18 |
| 5204453 | Process for the preparation of 1:2 metal complex azo compounds by carrying out diazotization and coupling in the presence of a metal donor | Bernard Chambon, Rudiger Oxenius, Alois Puntener | 1993-04-20 |
| 5202436 | Triphendioxazine dyestuffs | — | 1993-04-13 |
| 5183881 | o-Aminoazo compounds | — | 1993-02-02 |
| 5116957 | Reactive azo dyestuffs having a fluorotriazine group and improved fixation properties | — | 1992-05-26 |
| 5075428 | 2,4-diamino-6-fluorotriazine disazo reactive dyestuffs | — | 1991-12-24 |
| 5057609 | Triphendioxazine dyestuffs | Joachim Wolff | 1991-10-15 |
| 4986091 | Process and warp knitting machine for the production of pile ware | — | 1991-01-22 |
| 4841030 | Azo reactive dyestuffs | — | 1989-06-20 |
| 4839469 | Reactive disazo dyestuffs having a fluorocontaining reactive group and a sulphatoethylsulphone substituent | — | 1989-06-13 |
| 4748236 | Azo dyestuffs having sulpho ortho to azo bridge and containing two triazine reactive groups | Richard Schwaebel | 1988-05-31 |
| 4665179 | Triphendioxazine dyestuffs | Klaus Wunderlich, Wolfgang Harms, Karl-Josef Herd | 1987-05-12 |