Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1982-01-04
1982-09-28
Foelak, Morton
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
523219, 521 54, 521 98, 521140, 521139, C08J 932
Patent
active
043519130
ABSTRACT:
Disclosed are materials used to fill electrical and light waveguides transmitting communications cables to make them waterproof. The filling materials have superior waterproofing, dielectric and handling characteristics and are made from compounds of styrene-ethylene-butylene-styrene, styrene-butadiene-styrene or styrene-isoprene-styrene type block copolymers dissolved in paraffinic or naphthenic type mineral oils with a minimal content of aromatic hydrocarbons, inorganic hollow microspheres and, if desired, an additive such as low molecular weight polyethylene or glycerol hydroxy stearate.
REFERENCES:
patent: 3856721 (1974-12-01), Frilschel
patent: 4107134 (1978-08-01), Dawans
patent: 4108806 (1978-08-01), Cohrs et al.
patent: 4247652 (1981-01-01), Matsuda et al.
patent: 4252712 (1981-02-01), Donermeyer et al.
patent: 4255524 (1981-03-01), Dawans
patent: 4324453 (1982-04-01), Patel
Foelak Morton
Moffitt Roy B.
Siecor Corporation
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