Title: Surface-coated, unsize-pressed cellulosic sheet and method for making same

Abstract: This invention provides a method for producing a novel, surface-coated, unsize-pressed cellulosic sheet, the cellulosic substrate thereof including at least 25% by weight of cedar fibers. The coating is maintained on or above the surface of the cellulosic substrate so that an optimum hold-out ratio of surface-coating-weight to surface-coating-thickness is maintained.

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Inventors: Hanke, David E. (Washougal, WA)

Application Number: 06/185477
Filing Date: 1980-09-09
Publication_date: 1982-05-11
Assignee: CROWN ZELLERBACH CORP

Primary Class(es): 428/342 428/498, 162/142, 428/513, 428/219, 428/537.500, 428/
Other Classes: D21H11/00; D21H19/10; D21H19/00; B32B7/00
US Patent Ref:

3017295	January, 1962	Outterson et al.	428/342	Coated paper and paperboard and process for making same
3661697	May, 1972	Kimmel et al.	428/342	MULTI-PLY PACKAGING MATERIAL OF POLYETHYLENE, AMYLOSE AND PAPER
4152197	May, 1979	Lindahl et al.	162/142	Process for preparing high-yield cellulose pulps by vapor phase pulping an unpulped portion of ligno

Other Refs:
Primary Examiner: Brown, Travis J.
Assistant Examiner:
Attorney: Marger, Jerome S.

Claims:

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