Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1982-09-29
1983-06-07
McCarthy, Helen M.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
252 62, 65 343, 65 9, 428288, 428366, 428392, 501 36, 501 38, 501 66, 501 31, 524611, C03C 308, C03C 1300, C04B 4302, C08L 6106
Patent
active
043871801
ABSTRACT:
A glass batch, and a fiberizable glass composition, comprising 2 percent B.sub.2 O.sub.3 is disclosed. The glass fibers have improved dry strength and water durability and have a surface boron concentration, in weight percent, of about 2.5.
REFERENCES:
patent: 2664359 (1953-12-01), Dingledy
patent: 3853569 (1974-12-01), Laurent et al.
patent: 4203774 (1980-05-01), Battigelli et al.
patent: 4243423 (1981-01-01), Hohman
patent: 4325724 (1982-04-01), Froberg
Jen James S.
Kalinowski Marie R. P.
Cloutier Philip R.
Hudgens Ronald C.
McCarthy Helen M.
Owens-Corning Fiberglas Corporation
Pacella Patrick P.
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