Number | Name | Date | Kind |
---|---|---|---|
2680127 | Slocombe et al. | Jun 1954 | |
2822373 | Beck | Feb 1958 | |
3140305 | Lowenstein | Jul 1964 | |
3179680 | Kober | Apr 1965 | |
3219678 | Kober et al. | Nov 1965 | |
3264336 | Powers | Aug 1966 | |
3373182 | Powers | Mar 1968 | |
3405040 | Ewald | Oct 1968 | |
3452073 | Schultz | Jun 1969 | |
3455836 | Schultz et al. | Jul 1969 | |
3457291 | Baylor | Jul 1969 | |
3458558 | Shing Cheng | Jul 1969 | |
3549504 | Adica et al. | Dec 1970 | |
3781320 | Irwin | Dec 1973 | |
3816496 | Schnabel | Jun 1974 | |
3857871 | Hatfield et al. | Dec 1974 | |
3912600 | Hatfield et al. | Oct 1975 | |
4076577 | Hetzel et al. | Feb 1978 | |
4118286 | Burns et al. | Oct 1978 | |
4138424 | Maekawa et al. | Feb 1979 | |
4143008 | Zwolinski et al. | Mar 1979 | |
4193932 | Yamamoto et al. | Mar 1980 | |
4251401 | Reischl | Feb 1981 | |
4251638 | Reischl | Feb 1981 | |
4293456 | Reischl | Oct 1981 | |
4311800 | Reischl | Jan 1982 | |
4465638 | Kan et al. | Aug 1984 | |
4480081 | Rosin et al. | Oct 1984 | |
4489177 | O'Connor et al. | Dec 1984 | |
4506044 | Raes et al. | Mar 1985 | |
4595709 | Reischl | Jun 1986 | |
4604410 | Altenberg | Aug 1986 | |
4774357 | Keggenhoff et al. | Sep 1988 |
Number | Date | Country |
---|---|---|
1384065 | Feb 1975 | GBX |
1458747 | Dec 1976 | GBX |
Entry |
---|
CA 93:47803z 1980-May. |
CA 93:47804a May 1980. |
CA 95:63438f May 1981. |
CA 95:98778u Apr. 1981. |
CA 105:115886x Jan. 1986. |
CA 109:94157a Nov. 1987. |
Copending application 07/727,707. |
Derwent 90-059484 East German Patent 271820 Sep. 20, 1989. |
Derwent 55901S Japanese Patent 71/29,841 Mar. 25, 1969. |
Derwent 35349U Dutch Patent 72/15,759 Apr. 6, 1973. |
Derwent 68-84069P Dutch Patent 65/14,716 Nov. 12, 1965. |
Derwent 89694P British Patent 1,080,717 Aug. 23, 1967. |
Derwent 09365U Belgian Patent 786,596 Jan. 22, 1973. |