IP Library › Granted Patent US 6,659,171
Granted Patent Utility
US 6,659,171 · Confirmation No. 5683

HYDROPHILIC MODIFICATION METHOD AND HEAT EXCHANGER TREATED THEREBY

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2003-10-14 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-03-26 TRNA Transmittal of New Application 2 View
2002-03-26 A.PE Preliminary Amendment 7 View
2002-03-26 SPEC Specification 29 View
2002-03-26 CLM Claims 2 View
2002-03-26 ABST Abstract 1 View
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Quick Facts
Patent No.
US 6,659,171
App. No.
10/105,421
Filed
2002-03-26
Granted
2003-12-09
Pub. No.
US20030037914A1
Examiner
DUONG, THO V
Art Unit
3743
PTA
0 days