IP Library Granted Patent US 6,608,147
Granted Patent Utility
US 6,608,147 · Confirmation No. 4087

METHOD FOR PREPARING POLYETHER COPOLYMERS WITH POLYCARBONATES AND POLYARYLATES

Inventor: Tohru Takekoshi
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Code Description Pages PDF
2017-07-19 OATH Oath or Declaration filed 4 View
2014-03-17 OATH Oath or Declaration filed 135 View
2001-12-14 TRNA Transmittal of New Application 2 View
2001-12-14 A.PE Preliminary Amendment 5 View
2001-12-14 SPEC Specification 13 View
2001-12-14 CLM Claims 6 View
2001-12-14 ABST Abstract 1 View
2001-12-14 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,608,147
App. No.
10/020,381
Filed
2001-12-14
Granted
2003-08-19
Pub. No.
US20020045716A1
Art Unit
1711
PTA
0 days