Number | Date | Country | Kind |
---|---|---|---|
3736180 | Oct 1987 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
2056991 | Tomlin | Oct 1936 | |
2285116 | Grupe | Jun 1942 | |
3551148 | Faulhaber | Dec 1970 | |
3770435 | Volkert | Nov 1973 | |
3861921 | Hoffmann et al. | Jan 1975 | |
3982941 | Inskip | Sep 1976 | |
4068586 | Frey et al. | Jan 1978 | |
4298738 | Lechtken | Nov 1981 | |
4324744 | Lechteken | Apr 1982 | |
4339472 | Tachibana | Jul 1982 | |
4416215 | Tachibana | Nov 1983 | |
4447520 | Henne et al. | May 1984 | |
4467098 | Koch et al. | Aug 1984 | |
4478931 | Fickes et al. | Oct 1984 | |
4515375 | Bleckmann et al. | May 1985 | |
4522693 | Henne et al. | Jun 1985 | |
4537855 | Ide | Aug 1985 | |
4548894 | Lynch et al. | Oct 1985 | |
4550072 | Lynch et al. | Oct 1975 | |
4635549 | Bleckmann | Jan 1987 | |
4758500 | Schober | Jul 1988 | |
4828641 | Werther et al. | May 1989 |
Number | Date | Country |
---|---|---|
1176896 | Oct 1984 | CAX |
0040721 | May 1981 | EPX |
0175189 | Mar 1986 | EPX |
0286020 | Jan 1989 | EPX |
3600774 | Apr 1975 | DEX |
2545618 | Apr 1977 | DEX |
2633445 | Jan 1978 | DEX |
2160882 | Jan 1986 | GBX |
1544748 | Apr 1987 | GBX |
Entry |
---|
Deutscher Drucker, No. 41, (1975), pp. 17-22, No translation. |
Fikentscher, Cellulose, Chemie, 13, (1932), pp. 58-64, No translation. |
Modern Plastic Encyclopedia, 1972-73, p. 393. |