Organic compounds -- part of the class 532-570 series – Organic compounds – Halogen containing
Reexamination Certificate
2006-09-19
2006-09-19
Richter, Johann (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Halogen containing
Reexamination Certificate
active
07109387
ABSTRACT:
α-Chloroisopropyl-substituted aromatics are obtained in high yield by treating isopropenyl-substituted aromatics with hydrogen chloride gas in the absence of a solvent. The α-chloroisopropyl-substituted aromatics serve as initiators for the cationic polymerization of isobutene.
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M. Schappacher, et al., “Activated α-chloro ether and α-bromo ether end groups as propagating species for the living cationic polymerization of vinyl ethers”, MACROMOLECULES, vol. 24, No. 8, pp. 2140-2142 1991.
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Hueffer Stephan
Lang Gabriele
Lange Arno
Rath Hans Peter
BASF - Aktiengesellschaft
Nwaonicha Chukwuma
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Richter Johann
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