Number | Date | Country | Kind |
---|---|---|---|
3523856 | Jul 1985 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
3036998 | Rudner | May 1962 | |
3388087 | Dieterich et al. | Jun 1968 | |
3480592 | Dieterich et al. | Nov 1969 | |
3686108 | Reiff et al. | Aug 1972 | |
3756992 | Dieterich | Sep 1973 | |
4028310 | Schafer et al. | Jun 1977 | |
4086193 | Reischl | Apr 1978 | |
4108814 | Reiff | Aug 1978 | |
4172936 | Schafer et al. | Oct 1979 | |
4623416 | Henning | Nov 1986 |
Number | Date | Country |
---|---|---|
880485 | May 1953 | DEX |
1044404 | Nov 1958 | DEX |
1058339 | Feb 1967 | GBX |
1336050 | Nov 1973 | GBX |
Entry |
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Angewandte Chemie 82, vol. 9, 1970, "Polyurethane Ionomers, A New Class of Block Polymers". |