Number | Name | Date | Kind |
---|---|---|---|
2656250 | Thibon et al. | Oct 1953 | |
3677999 | Denk et al. | Jul 1972 | |
3733283 | Duggins | May 1973 | |
3954957 | Koenig | May 1976 |
Entry |
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Bonsignore & Manhart, Alumina Trihydrate as a Flame Retardant and Smoke Suppressive Filler in Reinforced Polyester Plastics (1974). |
Alcoa, Activated and Catalytic Aluminas (7/14/69). |