PATENT ASSIGNEE'S COUNTRY | Germany |
UPDATE | 12.00 |
PATENT ASSIGNEE | This data is not available for free |
PATENT CLAIMS |
(a) Title transEster. in presence of soluble catalyst in a gas-liquid countercurrent apparatus to form an oligocarbonate until the degree of conversion of initial di-Me carbonate is > 80% (b) Removing MeOH & traces of di-Me carbonate in an apparatus which generates gas bubbles in the oligocarbonate until the degree of capping of terminal -OH with methoxycarbonyl groups is < 5% |
PATENT PHOTOCOPY | Available on request |
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