IP Library › Granted Patent US 6,642,407
Granted Patent Utility
US 6,642,407 · Confirmation No. 2833

PRODUCTION, PURIFICATION AND POLYMERIZATION OF AROMATIC DICARBOXYLIC ACIDS

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 Code Description Pages PDF
2003-09-04 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-09-04 LET. Miscellaneous Incoming Letter 1 View
2002-04-26 TRNA Transmittal of New Application 2 View
2002-04-26 A.PE Preliminary Amendment 2 View
2002-04-26 SPEC Specification 27 View
2002-04-26 CLM Claims 3 View
2002-04-26 ABST Abstract 1 View
2002-04-26 DRW Drawings-only black and white line drawings 4 View
2002-04-26 OATH Oath or Declaration filed 15 View
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Quick Facts
Patent No.
US 6,642,407
App. No.
10/133,083
Filed
2002-04-26
Granted
2003-11-04
Pub. No.
US20020173674A1
Art Unit
1624
PTA
-100 days