This application is a continuation of application Ser. No. 08/568,779 filed on Dec. 7, 1995 now abandoned.
Number | Name | Date | Kind |
---|---|---|---|
3719552 | Farley et al. | Mar 1973 | |
3843473 | Samuelson et al. | Oct 1974 | |
3951733 | Phillips | Apr 1976 | |
4093506 | Richter | Jun 1978 | |
4363697 | Markham et al. | Dec 1982 | |
4842690 | Gazdik et al. | Jun 1989 | |
5011572 | Parthasarathy et al. | Apr 1991 | |
5034095 | Kido et al. | Jul 1991 | |
5145557 | Peter et al. | Sep 1992 | |
5296099 | Griggs et al. | Mar 1994 |
Number | Date | Country |
---|---|---|
0078129 | Apr 1983 | EPX |
0641833 | Aug 1995 | EPX |
Entry |
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"The Efficient Use of Hydrogen Peroxide as a Chemical Pulp Delignification Agent", by Troughton and Sarot, TAPPI Proceedings 519-535 (1992). |
"The Function of Magnesium Compounds in an Oxygen-Alkali-Carbohydrate System", by Sinkey and Thompson, Paperi ja puu, No. 5, 473-486 (1974). |
"OZP-Bleaching of Kraft Pulps to Full Brightness", by U. Germgard and S. Norden, Intl. Pulp Bleaching Conf., 53-58 (1994). |
"Pressurized Hydrogen Peroxide Bleaching for Improved TCF Bleaching", by Bertil Stromberg and Richard Szopinski, Intl. Pulp Bleaching Conf., 199-209 (1994). |
Number | Date | Country | |
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Parent | 568779 | Dec 1995 |