Number | Name | Date | Kind |
---|---|---|---|
34634 | Hayward | Mar 1862 | |
210497 | Casilear | Dec 1878 | |
282106 | Musil | Jul 1883 | |
322130 | Schreiber | Jul 1885 | |
322131 | Schreiber | Jul 1885 | |
1938543 | Sanburn | Dec 1933 | |
2089293 | Paine et al. | Aug 1937 | |
2208653 | Whitehead | Jul 1940 | |
2379443 | Kantrowitz et al. | Jul 1945 | |
4120445 | Carrier et al. | Oct 1978 | |
4273362 | Carrier et al. | Jun 1981 | |
4863783 | Milton | Sep 1989 | |
5026507 | Gowan, Jr. et al. | Jun 1991 | |
5141672 | Gowan, Jr. | Aug 1992 | |
5565276 | Murakami et al. | Oct 1996 | |
5759349 | Foster et al. | Jun 1998 |
Number | Date | Country |
---|---|---|
2 478 695 | Sep 1981 | FRX |
442530 | Feb 1936 | GBX |
Entry |
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Sakar in "Fluorescent Whitening Agents," Merrow Publishing Co. Ltd, pp. 12-50, Jan. 1971. |
Crouse et al., "Fluorescent Whitening Agents in the Paper Industry," Tappi, vol. 64, No. 7, pp. 87-89, Jul. 1981. |