IP Library › Granted Patent US 6,617,419
Granted Patent Utility PCT National Stage
US 6,617,419 · Confirmation No. 5579

LONG-CHAIN POLYETHER POLYOLS WITH A HIGH PROPORTION OF PRIMARY OH GROUPS

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2002-01-28 LET. Miscellaneous Incoming Letter 28 View
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Quick Facts
Patent No.
US 6,617,419
App. No.
10/009,889
Filed
2002-01-28
Effective Filing
2001-10-22
Granted
2003-09-09
Examiner
TRUONG, DUC
Art Unit
1711
PTA
0 days