Issued Patents All Time
Showing 26–50 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5057562 | Process for the photochemical stabilization of undyed and dyed polypropylene fibres | — | 1991-10-15 |
| 5037979 | Cationic compounds | Alfred Hohener, Kurt Burdeska | 1991-08-06 |
| 5030243 | Process for the photochemical stabilization of undyed and dyeable artificial leather with a sterically hindered amine | — | 1991-07-09 |
| 4990164 | Process for the photochemical stabilization of undyed and dyed polyamide fibre material and blends thereof with copper complex of hydroxy-salicyl-oyl-hydroxylamine derivative | Helmut Huber-Emden | 1991-02-05 |
| 4964871 | Process for preventing yellowing of polyamide fibre materials treated with stain-blocking agents by treatment with water-soluble light stabilizer having fibre affinity | Jorg Binz | 1990-10-23 |
| 4950304 | Process for quenching or suppressing the fluorescence of substrates treated with fluorescent whitening agents | Kurt Burdeska | 1990-08-21 |
| 4895981 | Process for improving the photochemical stability of dyeings on polyester fibre materials | Kurt Burdeska | 1990-01-23 |
| 4874391 | Process for photochemical stabilization of polyamide fiber material and mixtures thereof with other fibers: water-soluble copper complex dye and light-stabilizer | — | 1989-10-17 |
| 4831068 | Process for improving the photochemical stability of dyeings on polyester fibre materials | Kurt Burdeska | 1989-05-16 |
| 4775386 | Process for photochemical stabilization of undyed and dyed polyamide fibre material and blends thereof with other fibres: copper complex and light stabilizer treatment | Kurt Burdeska | 1988-10-04 |
| 4704133 | Process for the photochemical stabilization of synthetic polyamide fibre materials with water-soluble copper complex dye | Hans U. Schutz, Gerhard Back | 1987-11-03 |
| 4657554 | Water-soluble azaphthalocyanines and their use as photoactivators in bleaching | Gerd Holzle, Gregor Graf | 1987-04-14 |
| 4655783 | Process for photochemical stabilization of non-dyed and dyed polyamide fibre material and mixtures thereof | Helmut Huber-Emden, Gerhard Back | 1987-04-07 |
| 4655785 | Process for photochemical stabilization of polyamide and polyurethane fiber materials with metal complex compounds | Gerhard Back, Helmut Huber-Emden | 1987-04-07 |
| 4648992 | Water-soluble phthalocyanine compounds | Gregor Graf, Gerd Holzle | 1987-03-10 |
| 4566874 | Water-soluble zinc and aluminium phthalocyanines and use thereof as photoactivators | Gerd Holzle, Mirella Miotto, Rudolf Polony | 1986-01-28 |
| 4530924 | Phthalocyanine compounds and anti-microbial use | Rudolf Polony, Gerd Holzle, Andre Pugin, Rodolphe Vonderwahl | 1985-07-23 |
| 4497741 | Water-soluble zinc and aluminium phthalocyanines | Gerd Holzle, Mirella Miotto, Rudolf Polony | 1985-02-05 |
| 4456452 | Process for bleaching textiles and for combating microorganisms with sulphonated phthalocyanine carrying halogen or pseudohalogen substituents as photoactivator | Gerd Holzle, Rudolf Polony | 1984-06-26 |
| 4394125 | Process for bleaching textiles and for combating micro-organisms with sulfonated phthalocyanine of aluminum or zinc and containing halogen or cyano substituents as photoactivator | Gerd Holzle, Rudolf Polony | 1983-07-19 |
| 4386573 | Embroidery attachment for electronic sewing machine | Donald R. Davidson | 1983-06-07 |
| 4380961 | Variably controllable bobbin thread pull-off mechanism | Donald R. Davidson | 1983-04-26 |
| 4358335 | Fabric repairing assembly | — | 1982-11-09 |
| 4318883 | Process for combating micro-organisms, and novel phthalocyanine compounds | Rudolf Polony, Gerd Holzle, Andre Pugin, Rodolphe Vonderwahl | 1982-03-09 |
| 4283197 | Process for whitening polyester fibres by the exhaust method | Willy Schurings, Italo Anceschi | 1981-08-11 |