Paper making and fiber liberation – Processes and products – With coating after drying
Patent
1984-04-02
1984-09-18
Chin, Peter
Paper making and fiber liberation
Processes and products
With coating after drying
162145, 162149, 1621683, 162169, 162171, 162175, 428141, 428288, 428291, 428297, 428299, 428300, 428301, 428489, 428490, D21H 110
Patent
active
044722435
ABSTRACT:
Sheet type felt material and sheet type roofing material such as shingles and rolls made therefrom. The felt comprises 10-60 wt % glass fibers of varying lengths, 15-80 wt % cellulosic fiber and 5-25% binder. The roofing material is felt of the invention saturated with asphaltic saturant and coated with filled asphaltic coating material and conventional roofing granules.
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Bondoc Alfredo A.
Flood Eugene J.
Sieling Frederick W.
Chin Peter
GAF Corporation
Maue Marilyn J.
Mohr J. Gary
Ward Joshua J.
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