Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6750265 | Prepolymer compostion for insulating foams | Rene Schumacher | 2004-06-15 |
| 6552097 | Prepolymer compositions for insulating foams | Rene Schumacher | 2003-04-22 |
| 6054499 | Prepolymer composition for insulating foams | Rene Schumacher | 2000-04-25 |
| 6013685 | Process for recycling packings | — | 2000-01-11 |
| 5958310 | Process for the production of substantially homogeneous mixtures | — | 1999-09-28 |
| 5814674 | Method for processing residue-containing packages | Torsten Kellner | 1998-09-29 |
| 5672631 | Method for processing packaging remnants with recovery of materials | Torsten Kellner | 1997-09-30 |
| 5573137 | Pressurized can for foam explusion | — | 1996-11-12 |
| 5143211 | Multi-chambered container | Lothar Miczka, Ricco Kehl | 1992-09-01 |
| 4769395 | Polyurethane assembly foam and apparatus for the performance of its production process | — | 1988-09-06 |
| 4508244 | Pressure can for application of mounting foams, in particular, single-component polyurethane foams | Emil Plaschka, Guido Niggli | 1985-04-02 |
| 4263412 | Preparation of dimensionally stable one-component polyurethane foams using a two-compartment pressure pack containing an isocyanate-terminated prepolymer in the inner container and pressure medium in the outer container | — | 1981-04-21 |
| 4258140 | Storage-stable prepolymers sprayable from a pressure vessel | Heinrich Horacek, Robert Gehm, Otto Volkert, Sarbananda Chakrabarti, Peter Weyland | 1981-03-24 |