Number | Date | Country | Kind |
---|---|---|---|
4143203 | Dec 1991 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
3498945 | Lefort | Mar 1970 | |
3719630 | Antonen | Mar 1973 | |
3772247 | Flannigan | Nov 1973 | |
3846464 | Razzano | Nov 1974 | |
4242486 | August et al. | Dec 1980 | |
4303572 | Hatanaka et al. | Dec 1981 |
Number | Date | Country |
---|---|---|
0400614 | Dec 1990 | EPX |
1011147 | Jun 1957 | DEX |
1023463 | Jan 1958 | DEX |
1745342 | Nov 1971 | DEX |
2455502 | Jul 1975 | DEX |
752371 | Jul 1956 | GBX |
Entry |
---|
Database WPIL, Derwent Publications Ltd., London GB; AN 92-068367 & JP-A-4011634 (Toray Dow Corning) Jan. 16, 1992 (Abstract). |