IP Library › Granted Patent US 6,583,320
Granted Patent Utility
US 6,583,320 · Confirmation No. 4440

PROCESS FOR PREPARING 4-AMINODIPHENYLAMINE INTERMEDIATES

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2025-05-28 OATH Oath or Declaration filed 8 View
2025-05-23 OATH Oath or Declaration filed 11 View
2002-05-10 TRNA Transmittal of New Application 2 View
2002-05-10 SPEC Specification 17 View
2002-05-10 CLM Claims 5 View
2002-05-10 ABST Abstract 1 View
2002-05-10 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,583,320
App. No.
10/143,478
Filed
2002-05-10
Granted
2003-06-24
Pub. No.
US20030088127A1
Art Unit
1621
PTA
-120 days