Number | Date | Country | Kind |
---|---|---|---|
2427097 | Jun 1974 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
2851424 | Switzer et al. | Sep 1958 | |
2938873 | Kazenas | May 1960 | |
3487048 | Deuzeman | Dec 1969 | |
3647755 | Giller | Mar 1972 | |
3812051 | Merkle et al. | May 1974 |
Number | Date | Country |
---|---|---|
813,154 | Sep 1951 | DEX |
940,109 | Mar 1956 | DEX |
2,046,496 | Mar 1972 | DEX |
990,610 | Apr 1965 | GBX |
1,030,268 | May 1966 | GBX |
Entry |
---|
Penn, PVC Technology, 3 ed., (Applied Science 1971), pp. 270, 285-286. |
Chem. Abs. 81:P14737(e); 81:P154737(e); 82:P157930(u); 82:P44362(s). |