Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8287631 | Compounds for preventing ghost odour | Rüdiger Baum, Hans-Jurgen Schmidt, Thomas Wunder | 2012-10-16 |
| 4537993 | Bis(.beta.-carboxyethyl)isobutyl, sec. butyl and t-butyl phosphine oxide and polyamides containing the same | Allan J. Robertson | 1985-08-27 |
| 4536596 | Extraction of amino acids from aqueous solution with dithiophosphinates | John H. Bright | 1985-08-20 |
| 4420643 | Extraction of phenols from aqueous solutions | John H. Bright | 1983-12-13 |
| RE30946 | Polymeric pentaerythrityl phosphonates and their use as flame retardants | Joseph A. Hoffman, John C. Oppelt | 1982-05-25 |
| 4255324 | Synergistic flame retardant compositions for polyphenylene ether resins | Albrecht H. Granzow | 1981-03-10 |
| 4217267 | Polymeric pentaerythrityl phosphonates and their use as flame retardants | Joseph A. Hoffman, John C. Oppelt | 1980-08-12 |