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App. No. 09/991,261 · Confirmation No. 3019

ORTHO SUBSTITUTED CHIRAL PHOSPHINES AND PHOSPHINITES AND THEIR USE IN ASYMMETRIC CATALYTIC REACTIONS

Inventor: Xumu Zhang
Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2022-11-14 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2022-09-23 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2022-09-22 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2003-09-02 IFEE Issue Fee Payment (PTO-85B) 1 View
2001-11-16 TRNA Transmittal of New Application 2 View
2001-11-16 SPEC Specification 65 View
2001-11-16 CLM Claims 42 View
2001-11-16 ABST Abstract 1 View
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Quick Facts
App. No.
09/991,261
Filed
2001-11-16
Granted
2003-11-25
Pub. No.
US20020128501A1
Art Unit
1621
PTA
-13 days