IP Library Granted Patent US 6,489,513
Granted Patent Utility
US 6,489,513 · Confirmation No. 7773

PROCESS FOR THE PREPARATION OF ENANTIOMERICALLY PURE (5,5'-DICHLORO-6,6'-DIMETHOXY-BIPHENYL-2,2'-DIYL)- BIS(DIPHENYLPHOSPHINE OXIDES)

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Code Description Pages PDF
2001-11-13 TRNA Transmittal of New Application 2 View
2001-11-13 SPEC Specification 14 View
2001-11-13 CLM Claims 4 View
2001-11-13 ABST Abstract 1 View
2001-11-13 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,489,513
App. No.
10/010,176
Filed
2001-11-13
Granted
2002-12-03
Pub. No.
US20020058814A1
Art Unit
1621
PTA
0 days