Back to results
US 2003/0192660 A1Published application
Paper and absorbent products with reduced pitch content
AssigneeWeyerhaeuser Company
InventorsJerry R. Speaks, Roger O. Campbell, Michael A. Veal
Life of this patent
Estimating the term…
Abstract
A paper product having a mass of cellulosic fibers produced from wood, where the fibers have a pitch content reduced by at least about 40% as compared to an expected pitch content based on naturally-occurring levels of pitch in the wood is disclosed.
Claims11
A paper product comprising a mass of cellulosic fibers produced from wood, the fibers having a pitch content reduced by greater than 55% as compared to an expected pitch content based on naturally-occurring levels of pitch in the wood.
Dependencies are inferred from the claim text.