Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1982-01-15
1982-12-28
Levin, Stanford M.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
525247, 525314, 526 79, 526336, C08F 238, C08F21006, C08F21008, C08F21018
Patent
active
043662960
ABSTRACT:
A thermoplastic, substantially resinous, unsaturated, random copolymer of ethylene, propylene or 4-methyl-1-pentene with a branched 1,4-diene of the formula ##STR1## wherein R.sup.1 is an alkyl group of a maximum of 8 carbon atoms, and each of R.sup.2 and R.sup.3 is hydrogen or an alkyl of a maximum of 8 carbon atoms, exclusive of the case where both R.sup.2 and R.sup.3 are both hydrogen.
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patent: 3681302 (1972-08-01), Sweeney
patent: 3705138 (1972-12-01), Van Den Berg
patent: 3880819 (1975-04-01), Natta et al.
patent: 3933769 (1976-01-01), Lal et al.
patent: 3991262 (1976-11-01), Lal et al.
Kitagawa Sadao
Okada Isao
Adams Bruce L.
Burns Robert E.
Levin Stanford M.
Lobato Emmanuel J.
Mitsubishi Petrochemical Company Limited
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