Number | Date | Country | Kind |
---|---|---|---|
5-296186 | Nov 1993 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3334079 | Raich | Aug 1967 | |
4871704 | Kohara et al. | Oct 1989 | |
5200537 | Lee et al. | Apr 1993 | |
5391660 | Numao et al. | Feb 1995 |
Number | Date | Country |
---|---|---|
4300813 | Jul 1993 | DEX |
Entry |
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Database WPI, Derwent Publications, AN-70-17293R, US-P-419 080, Mar. 26, 1954. |
Patent Abstracts of Japan, vol. 11, No. 262, (C-442), Aug. 25, 1987, JP-A-62-061991, Mar. 18, 1987. |
Macromolecules, vol. 21, No. 12, pp. 3356-3360, 1988, N. Ishihara, et al., "Stereospecific Polymerization of Styrene Giving the Syndiotactic Polymer". |