Number | Name | Date | Kind |
---|---|---|---|
3703488 | Morton | Nov 1972 | |
3884850 | Ostrowski | May 1975 | |
4259478 | Jackson, Jr. et al. | Mar 1981 | |
4539341 | Hallmark et al. | Sep 1985 | |
4609680 | Fujita et al. | Sep 1986 | |
4873268 | Hallmark et al. | Oct 1989 | |
5223544 | Burkett et al. | Jun 1993 | |
5298530 | Gamble et al. | Mar 1994 |
Entry |
---|
Incorporating Postconsumer Recycled Poly(ethylene terephthalate), Richard et al., ACS Symposium Series, 513, 196 (1992). |