Number | Date | Country | Kind |
---|---|---|---|
63-109961 | May 1988 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3390003 | Cooper | Jun 1968 | |
4118241 | Bernett | Oct 1978 | |
4218258 | Rothberg | Sep 1989 | |
4560413 | Takagi et al. | Dec 1985 |
Number | Date | Country |
---|---|---|
0263723 | Apr 1988 | EPX |
3611080 | Jan 1987 | DEX |
3601733 | May 1987 | DEX |
0236917 | Jun 1986 | DDX |
0240193 | Oct 1986 | DDX |
0242219 | Jan 1987 | DDX |
713468 | Mar 1968 | JPX |
5174880 | Apr 1980 | JPX |
61-261247 | Nov 1986 | JPX |
62-046941 | Feb 1987 | JPX |
62-46941 | Feb 1987 | JPX |
62-246855 | Oct 1987 | JPX |
127688 | Jan 1988 | JPX |
1180227 | Feb 1970 | GBX |
Entry |
---|
Chemical Abstracts, vol. 111, No. 8, Columbus, Ohio, U.S.A., ref. No. 63067Y. |
World Patent Index Latest, Accession No. 87-232363, Week 33, Derwent Publications Ltd, London GB. |