Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5985965 | Flame-resistant polyurethanes | Martin Sicken | 1999-11-16 |
| 5852197 | Cyclic disphosphoric esters, a process for their preparation and their use | — | 1998-12-22 |
| 5776992 | Halogen-free, flame retardant rigid polyurethane foam | Siegfried Jung | 1998-07-07 |
| 5750601 | Flame retardant polymeric compositions | — | 1998-05-12 |
| 5719200 | Flame-resistant polyurea foam | Reinhold Lagoda | 1998-02-17 |
| 5484830 | Halogen-free, flame-resistant polymeric compositions | — | 1996-01-16 |
| 5391698 | Phosphoric acid polyesters and a process for their preparation | — | 1995-02-21 |
| 5312853 | Flame retardant polymeric compositions | Daniel J. Scharf | 1994-05-17 |
| 5093199 | Stabilized red phosphorus | Ursus Thummler | 1992-03-03 |
| 4985221 | Phlegmatized red phosphorus | Ursus Themmler | 1991-01-15 |
| 4957950 | Flame-retardant polymer compositions | Daniel J. Scharf | 1990-09-18 |
| 4894469 | Process for making halogenated phosphonophosphoric acid-esters and their use | Werner Krause | 1990-01-16 |
| 4853288 | Stabilized red phosphorus and process for making it | Ursus Thummler, Wilhelm Adam | 1989-08-01 |
| 4853424 | Flame-retardant polymer compositions | Daniel J. Scharf | 1989-08-01 |
| 4772642 | Self-extinguishing polymeric compositions | — | 1988-09-20 |
| 4701373 | Difficultly flammable veneered or coated extruded boards | Fritz Fuchs | 1987-10-20 |
| 4670484 | Difficulty flammable extruded articles, especially extruded boards, and a process for making them | Fritz Fuchs | 1987-06-02 |
| 4639331 | Process for making pulverulent ammonium polyphosphates stable to hydrolysis | Georg Elsner, Gero Heymer | 1987-01-27 |
| 4515632 | Activated ammonium polyphosphate, a process for making it, and its use | Alexander Maurer | 1985-05-07 |
| 4514328 | Particulate material reducing the ignitability of combustible substances | Franz-Josef Dany, Joachim Kandler | 1985-04-30 |
| 4505849 | Polyol pre-mixture for making flame-retardant poly-urethane foam plastics | Franz-Josef Dany, Joachim Kandler | 1985-03-19 |
| 4467056 | Particulate agent for impeding the combustibility of combustible materials | Franz-Josef Dany, Joachim Kandler, Wilhelm Adam | 1984-08-21 |
| 4347334 | Particulate agent for impeding the combustibility of combustible substances | Franz-Josef Dany, Joachim Kandler | 1982-08-31 |
| 4315897 | Stabilized red phosphorus and process for its manufacture | Wilhelm Adam, Franz-Josef Dany, Joachim Kandler | 1982-02-16 |
| 4210630 | Stabilized red phosphorus | Franz-Josef Dany, Ursus Thummler, Joachim Wortmann, Joachim Kandler | 1980-07-01 |