Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1992-06-04
1993-03-16
Teskin, Fred
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
526173, 526335, 526340, 525250, 525258, C08F 446
Patent
active
051945355
ABSTRACT:
An improved process for the production of conjugated alkadiene-based polymers of higher vinyl content employs as a structure modifier a compound of the formula ##STR1## wherein R is alkylene, R' alkyl and R" is hydrogen or hydrocarbyl.
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R. H. DeWolfe, "Carboxylic Ortho Acid Derivatives", Academic Press, New York and London, 1970.
Koppes Margaretha J. C. M.
van der Arend Johannes C. M.
Shell Oil Company
Teskin Fred
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