Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1988-06-30
1989-09-26
McFarlane, Anthony
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
208 71, 526290, 585330, C08F 3604
Patent
active
048701467
ABSTRACT:
A process for producing a light color high softening point hydrocarbon resin, which comprises polymerizing an oil fraction obtained by condensing a fractionated component withdrawn in a gas phase from a recovery section of a fractionating tower located below the feeding section and above the bottom of the tower during the fractional distillation in the tower of a feed oil fraction having a boiling point within a range of from 140.degree. to 280.degree. C. selected among cracked oil fractions obtained by thermal cracking of petroleum.
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Fujii Tetsuo
Kiyohara Akio
Munekata Motoaki
Saito Michio
Sakai Yasushi
McFarlane Anthony
Tosoh Corporation
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