Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Radical -xh acid – or anhydride – acid halide or salt thereof...
Reexamination Certificate
2006-10-20
2009-12-15
Zucker, Paul A (Department: 1621)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Radical -xh acid, or anhydride, acid halide or salt thereof...
C562S507000
Reexamination Certificate
active
07632864
ABSTRACT:
The present invention relates to compounds trans (E) and cis (Z) stereoisomers of 4-t-butyl gabapentin of formula (11) and (12) and a process for the preparation of the said stereoisomers.
REFERENCES:
patent: 6103932 (2000-08-01), Horwell et al.
patent: WO 99/14184 (1999-03-01), None
patent: WO 02/00347 (2002-01-01), None
Balakrishnan Suresh Babu
Hariharan Sivaramakrishnan
Iyer Venkatachalam Sankar
Karuppiah Muruga Poopati Raja
Krishnamurthi Gopalakrishnan
Hikal Ltd.
Indian Institute Of Science
Zucker Paul A
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