Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Reexamination Certificate
2006-11-07
2006-11-07
Lu, Caixia (Department: 1713)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
C527S105000, C527S315000
Reexamination Certificate
active
07132488
ABSTRACT:
In a process for the polymerization of isobutene or mixtures of isobutene with ethylenically unsaturated comonomers under the conditions of living cationic polymerization, the initiator system additionally comprises at least one nonpolymerizable, aprotic organosilicon compound having at least one Si—O bond.
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Hüffer Stephan
Lang Gabriele
Rath Hans Peter
BASF - Aktiengesellschaft
Lu Caixia
Novak Druce DeLuca & Quigg LLP
Voight Jason D.
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