Number | Name | Date | Kind |
---|---|---|---|
2449949 | Morris et al. | Sep 1944 | |
3303225 | Hsieh et al. | Feb 1967 | |
3472829 | Claybaugh et al. | Oct 1969 | |
3475399 | Peters et al. | Oct 1969 | |
3520858 | Bodnar et al. | Jul 1970 | |
3525729 | Gaeth | Aug 1970 | |
3541064 | Yoshimoto et al. | Nov 1970 | |
3580897 | Yoshimoto et al. | May 1971 | |
3594357 | Logothetis | Jul 1971 | |
3644567 | Smith et al. | Feb 1972 | |
3720654 | Olechowski | Mar 1973 | |
3763126 | Farrar | Oct 1973 | |
3845030 | Uraneck et al. | Oct 1974 | |
3937759 | Baumgartner et al. | Feb 1976 | |
3957914 | Baumgartner | May 1976 | |
4014859 | Cooper et al. | Mar 1977 | |
4134938 | Langer, Jr. | Jan 1979 | |
4156673 | Eckert | May 1979 | |
4284741 | Uraneck et al. | Aug 1981 | |
4340703 | Freppel | Jul 1982 | |
4501857 | Kishimoto et al. | Feb 1985 | |
4547555 | Cook et al. | Oct 1985 | |
4629767 | Shyr et al. | Dec 1986 |
Number | Date | Country |
---|---|---|
3342766 | Nov 1982 | DEX |
363810 | Dec 1931 | GBX |
1243702 | Jun 1969 | GBX |
1539905 | Jul 1976 | GBX |
2118952 | Nov 1983 | GBX |
Entry |
---|
Ziegler-Natta Catalysts and Polymerizations, John Boor, Jr., published by Academic Press in 1979. |
U.S. Ser. No. 522,693 to Kibler et al., filed May 14, 1990. |