Number | Date | Country | Kind |
---|---|---|---|
3811025 | Mar 1988 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
2116511 | Earle | May 1938 | |
3354027 | Hossain | Nov 1967 | |
3846227 | Mestetsky | Nov 1974 | |
3963560 | Mestetsky | Jun 1976 | |
4043908 | Roberts | Aug 1977 | |
4231841 | Calmanti | Nov 1980 | |
4360439 | Calmanti | Nov 1982 | |
4487655 | Noetzel | Dec 1984 | |
4586982 | Poppel | May 1986 |
Number | Date | Country |
---|---|---|
13758 | Aug 1980 | EPX |
D. 11549 | Mar 1952 | DEX |
2903150 | Jan 1979 | DEX |
1379253 | Dec 1963 | FRX |
223391 | Dec 1984 | JPX |
Entry |
---|
Tappi, "Deinking of Secondary Fibers", Sep., 1980, vol. 63, No. 9, pp. 1, 113-116. |
Ullmanns Encyklopadie der technischen Chemie, Band 17, pp. 1, 570-572. |