Number | Date | Country | Kind |
---|---|---|---|
3114931 | Apr 1981 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
3661576 | Crary | May 1972 | |
3776729 | Levy et al. | Dec 1973 | |
3804631 | Faust | Apr 1974 | |
3876432 | Carlick et al. | Apr 1975 | |
3930865 | Faust et al. | Jan 1976 | |
4025348 | Tsukada et al. | May 1977 | |
4065315 | Yamazaki | Dec 1977 | |
4146453 | Via | Mar 1979 | |
4227978 | Barton | Oct 1980 | |
4230793 | Losert et al. | Oct 1980 | |
4234675 | Kuznetsov | Nov 1980 | |
4241166 | Klupfel et al. | Dec 1980 | |
4248958 | Faust | Feb 1981 | |
4271258 | Watariguchi | Jun 1981 | |
4278752 | Gervay et al. | Jul 1981 | |
4346163 | Takeyama et al. | Aug 1982 | |
4387139 | Herwig et al. | Jun 1983 |
Number | Date | Country |
---|---|---|
15004 | Feb 1980 | EPX |
2841880 | Apr 1980 | DEX |
56-100817 | Aug 1981 | JPX |
1484873 | Sep 1977 | GBX |
900244 | Jan 1982 | SUX |
Entry |
---|
W. J. Roff et al. (Ed.), Handbook of Common Polymers, (Butterworth & Co. (Publishers) Ltd., 1971), p. 273. |