Number | Name | Date | Kind |
---|---|---|---|
3282757 | Brussel | Nov 1966 | |
3801402 | Suter | Apr 1974 | |
3919373 | Kormandi | Nov 1975 | |
4130617 | Wallace | Dec 1978 |
Number | Date | Country |
---|---|---|
2730667 | Jan 1979 | DEX |
Entry |
---|
BF Goodrich Company, Chemical Group-Product Data Sheet for Estane Polyurethanes-Sep. 1981. |