IP Library Granted Patent US 6,455,234
Granted Patent Utility
US 6,455,234 · Confirmation No. 8509

ACETYLENIC DIOL ETHYLENE OXIDE/PROPYLENE OXIDE ADDUCTS AND THEIR USE IN PHOTORESIST DEVELOPERS

Inventors: Kevin Rodney, Paula Ann
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Code Description Pages PDF
2017-09-05 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2017-09-05 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2017-08-29 PA.. Power of Attorney 1 View
2017-08-29 N417 Electronic Filing System Acknowledgment Receipt 2 View
2017-08-29 R3.73 Assignee showing of ownership per 37 CFR 3.73 3 View
2001-12-18 TRNA Transmittal of New Application 3 View
2001-12-18 SPEC Specification 48 View
2001-12-18 CLM Claims 4 View
2001-12-18 ABST Abstract 1 View
2001-12-18 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,455,234
App. No.
10/024,893
Filed
2001-12-18
Granted
2002-09-24
Pub. No.
US20020106589A1
Art Unit
1752
PTA
-100 days