IP Library Granted Patent US 6,489,517
Granted Patent Utility
US 6,489,517 · Confirmation No. 8280

PROCESS FOR PREPARING 3,3',6,6'-TETRAALKYL-2,2'-BIPHENOLS AND 3,3',6,6'-TETRAALKYL-5,5'-DIHALO-2,2'-BIPHENOLS

Inventor: Rafael Shapiro
Patented Case View Patent ↗
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Code Description Pages PDF
2005-09-28 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2001-11-26 TRNA Transmittal of New Application 2 View
2001-11-26 ADS Application Data Sheet 1 View
2001-11-26 SPEC Specification 24 View
2001-11-26 CLM Claims 7 View
2001-11-26 ABST Abstract 1 View
2001-11-26 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,489,517
App. No.
09/994,098
Filed
2001-11-26
Granted
2002-12-03
Art Unit
1621
PTA
0 days