Number | Date | Country | Kind |
---|---|---|---|
63-258883 | Oct 1988 | JPX | |
63-258884 | Oct 1988 | JPX | |
1-181278 | Jul 1989 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4172859 | Epstein | Oct 1979 |
Number | Date | Country |
---|---|---|
0092728 | Nov 1983 | EPX |
0106027 | Apr 1984 | EPX |
57-108151 | Jul 1982 | JPX |
57-108152 | Jul 1982 | JPX |
57-111351 | Jul 1982 | JPX |
61-215649 | Sep 1986 | JPX |
61-225245 | Oct 1986 | JPX |
61-235456 | Oct 1986 | JPX |
61-238847 | Oct 1986 | JPX |
8604076 | Jul 1986 | WOX |
Entry |
---|
Modern Plastics Encyclopedia, pp. 49, 50, 52, 1979-1980. |
Okasaka et al., Chemical Abstracts, 87, No. 2, (Jul. 11, 1977). |