Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879172 | Subtratum for soil-free cultivation | — | 1989-11-07 |
| 4867779 | Nutritive glasses for agriculture | Guy Matzen, Denise Blanc, Maryse Montarone | 1989-09-19 |
| 4769277 | Substratum for soil-free cultivation | — | 1988-09-06 |
| 4600637 | Process for the continuous production of composite foam panels and resultant product | Bernard Kafka, Serge Have | 1986-07-15 |
| 4332754 | Method for the continuous fabrication of cellular products of thermohardenable resin | Marie-Pierre Barthe, Serge Have, Bernard Frumen | 1982-06-01 |
| 4252515 | Apparatus for the continuous fabrication of cellular products of a thermosetting resin | Marie-Pierre Barthe, Serge Have, Bernard Frumen | 1981-02-24 |
| 4183832 | Aqueous solutions of etherified melamine-formaldehyde resins with long shelf life and low free formaldehyde content | Jacky Joachim, Bernard Kafka | 1980-01-15 |