Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Reexamination Certificate
2011-01-25
2011-01-25
Aulakh, Charanjit S (Department: 1625)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
C546S045000
Reexamination Certificate
active
07875623
ABSTRACT:
The present invention relates to processes for removal of Michael acceptors from certain compositions wherein the composition is treated with a thiol-containing compound under conditions sufficient to remove Michael acceptors and the resulting thiol-Michael adducts. Certain embodiments of the present invention enable quantification and/or removal of Michael acceptors and/or Michael acceptor precursors.
REFERENCES:
patent: 2005/0222188 (2005-10-01), Chapman et al.
patent: 2006/0173029 (2006-08-01), Chapman et al.
Brogle, et al., “Peak fronting in reversed-phase high-performance liquid chromatogrphy: a study of the chromatographic behavior of oxycodone hydrochloride,”Journal of Pharmaceutical and Biomedical Analysis, vol. 19, pp. 669-678 (1999).
Shafer Jules A.
Telyatnikov Vladislav V.
Wang Hao
Aulakh Charanjit S
Controlled Chemicals, Inc.
Wolf Greenfield & Sacks P.C.
LandOfFree
Process for reducing contaminating Michael acceptor levels... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Process for reducing contaminating Michael acceptor levels..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for reducing contaminating Michael acceptor levels... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2744322