FR867537A -
Improvements to a process for treating cellulosic fibers for papermaking; treated cellulosic fibers and paper made from said fibers
- Google Patents
Improvements to a process for treating cellulosic fibers for papermaking; treated cellulosic fibers and paper made from said fibers
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D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
D21C1/00—Pretreatment of the finely-divided materials before digesting
FR867537D1940-02-131940-06-03
Improvements to a process for treating cellulosic fibers for papermaking; treated cellulosic fibers and paper made from said fibers
ExpiredFR867537A
(en)