PATENT ASSIGNEE'S COUNTRY | Taiwan. |
UPDATE | 01.99 |
PATENT ASSIGNEE | This data is not available for free |
PATENT CLAIMS |
Forming process - Prepg pulp aq slurry at 4% consistency - Adding rosin soap surfactant - Adding Ca stearate (8-30%) (biodegradable & water-resis tant agent) - Refining mixt at 4% consistency to desired drainage - Diluting mixt alum aggregating agent - Forming furnish to obtain paper board through hot pressing at 115-170C |
PATENT PHOTOCOPY | Available on request |
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