PATENT ASSIGNEE'S COUNTRY | USA |
UPDATE | 06.99 |
PATENT ASSIGNEE | Surry Chemicals |
PATENT CLAIMS | Silicate-free bleached material being continuously bleached in tunnel washer, said material having < 0.65% extractable solids as measured by the Soxhlet Extraction Procedure With Petroleum Ether as solvent & a Hunter Whiteness Scale Value > 110 |
PATENT PHOTOCOPY | Available on request |
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