IP Library Granted Patent US 6,545,187
Granted Patent Utility
US 6,545,187 · Confirmation No. 8765

PRODUCTION OF LOW-PARTICULATE BISPHENOL AND USE THEREOF IN THE MANUFACTURING OF POLYCARBONATE

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Code Description Pages PDF
2014-03-17 OATH Oath or Declaration filed 135 View
2006-06-16 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2001-09-19 TRNA Transmittal of New Application 4 View
2001-09-19 ADS Application Data Sheet 1 View
2001-09-19 SPEC Specification 12 View
2001-09-19 CLM Claims 4 View
2001-09-19 ABST Abstract 2 View
2001-09-19 DRW Drawings-only black and white line drawings 4 View
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Quick Facts
Patent No.
US 6,545,187
App. No.
09/682,560
Filed
2001-09-19
Granted
2003-04-08
Pub. No.
US20030055296A1
Art Unit
1621
PTA
-239 days