Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6350307 | Metal complex pigments | Frank Linke, Kent Faubion, Udo Herrmann | 2002-02-26 |
| 6281338 | Mono- and dipotassium salts of azo compounds | Frank Linke, Udo Herrmann | 2001-08-28 |
| 6261358 | Pigment preparations | Frank Linke, Udo Herrmann, Gunther Stolp | 2001-07-17 |
| 5502173 | Process for the preparation of a substituted 2-amino-1-sulphonaphthalene | Horst Ja/ ger, Siegbert Arnold | 1996-03-26 |
| 5420255 | Process for the continuous reaction of halogenopyrimidines with amines | Siegbert Arnold, Hans-Georg Frosch, Manfred Hoppe, Wolfgang Mullers | 1995-05-30 |
| 5332813 | Process for the continuous reaction of difluorotriazinyl compounds with amines | Manfred Hoppe, Wolfgang Mullers, Hans-Georg Frosch, Siegbert Arnold, Wolfram Reddig | 1994-07-26 |
| 4895736 | Method for alloying of coatings | George Havas, Mario Tama | 1990-01-23 |
| 4807559 | Apparatus for alloying of coatings | George Havas, Mario Tama, Clayton H. Allen | 1989-02-28 |
| 4754114 | Induction heater | Mario Tama, Theodore E. Burke | 1988-06-28 |
| 4749419 | Method for heat treating rail | Michael Faber, Reuel E. Jennings | 1988-06-07 |
| 4428236 | Method of acoustic emission testing of steel vessels or pipelines, especially for nuclear reactor installations | Erwin Votava, Gunter Stipsits | 1984-01-31 |
| 4369324 | Process for the preparation of 2-amino-6-nitrobenzothiazole | Walter Horstmann, Hans-Hermann Trautwein, Gerhard Wolfrum | 1983-01-18 |
| 4243584 | Monoazo dyestuffs containing diazo component substituted by disulfimide and trifluoromethyl groups | Gerhard Wolfrum, Gerhard Buttner | 1981-01-06 |