Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5034017 | Process for the coloring of paper with disazo dyes containing sulfonated-naphthol groups to give fast blue shades | Peter Wild | 1991-07-23 |
| 5003793 | Card wheel for a knitting machine for making knit goods with combed-in fibers | Eberhard Leins | 1991-04-02 |
| 4988805 | Naphtholazophenylazoaminonaphthol compounds and copper complexes thereof | — | 1991-01-29 |
| 4978747 | Colorants obtained by reacting a NH.sub.2 -containing dyestuff with a diisocyanate followed by reaction of this adduct with a diamine | Karl-Arnold Weber, Hermann Henk, Jochen Westphal, Klaus Wunderlich | 1990-12-18 |
| 4765156 | Circular knitting machine for producing knit goods with combed-in fibers | Peter Artzt, Gerhard Egbers, Helmut Grimm, Adolf Seidel, Helmut Hascher +3 more | 1988-08-23 |
| 4760716 | Method and circular knitting machine for producing knit goods with combed-in fibers | Peter Artzt, Gerhard Egbers, Helmut Grimm, Adolf Seidel, Helmut Hascher +3 more | 1988-08-02 |
| 4752337 | Recording liquid for ink jet recording systems | — | 1988-06-21 |
| 4750935 | Printing ink | Helmut P. Prochaska, Walter Tames, Artur Haus, Knud Reuter | 1988-06-14 |
| 4563884 | Circular knitting machine for the production of goods with enmeshed fibers | Helmut Grimm, Lorenz Becker | 1986-01-14 |
| 4546622 | Circular knitting machine for producing knit goods having enmeshed fibers | Adolf Seidel, Peter Artzt, Gerhard Egbers, Helmut Grimm, Anton Schenek | 1985-10-15 |
| 4517357 | Symmetrical bis-(triazinyamino phenyl azo acetoacetanilide) dyestuffs | Frank-Michael Stohr | 1985-05-14 |
| 4486348 | Cationic triazine azo dyes | — | 1984-12-04 |
| 4458506 | Circular knitting or circular hosiery knitting machine for manufacture of knit wares of hosiery with combed-in fibers | Peter Artzt, Gerhard Egbers, Helmut Grimm, Anton Schenek, Adolf Seidel | 1984-07-10 |
| 4364243 | Circular knitting machine for the production of high pile fabrics having combed-in fibers | — | 1982-12-21 |
| 4258557 | Knitting machine for producing knitted goods with combed-in fibres | Klaus Schoffski | 1981-03-31 |