Number | Name | Date | Kind |
---|---|---|---|
3516841 | Haveman | Jun 1970 | |
3670969 | Terada | Jun 1972 | |
3814240 | Laundrie | Jun 1974 | |
3836486 | Hafner | Sep 1974 | |
3925200 | Izumi et al. | Dec 1975 | |
3926790 | Izumi | Dec 1975 | |
3926791 | Izumi et al. | Dec 1975 | |
3976563 | Scalco | Aug 1976 | |
4000031 | Acobas | Dec 1976 | |
4067826 | Emery | Jan 1978 | |
4105593 | Stavrinou | Aug 1978 | |
4119533 | Saitoh et al. | Oct 1978 | |
4132633 | Saitoh et al. | Jan 1979 | |
4352732 | Massicotte | Oct 1982 | |
4379525 | Nowicki et al. | Apr 1983 | |
4385951 | Pressau | May 1983 | |
4578184 | Rasmussen | Mar 1986 | |
4617111 | Grimm et al. | Oct 1986 | |
4746422 | Grimm | May 1988 | |
4775464 | Ferrara et al. | Oct 1988 | |
4797192 | Takiguchi | Jan 1989 | |
4826897 | Mehra et al. | May 1989 | |
5061735 | Zielinski | Oct 1991 |
Entry |
---|
Modern Plastics, Jun. 1990, pp. 15-16; "PVC Melt Point Keys Scrap Separation". |