Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Reexamination Certificate
1999-10-28
2001-04-24
Lambkin, Deborah C. (Department: 1613)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
C548S248000
Reexamination Certificate
active
06221891
ABSTRACT:
This case claims benefit under 35 U.S.C. § 119 of German priority document 19734438.0 filed on Aug. 8, 1997. This document, as well as German priority document 19756093.8, filed Dec. 17, 1997, are hereby incorporated by reference.
The invention relates to a novel readily soluble crystal modification (hereafter referred to as “the first crystal modification”) of the compound of formula I
in which the transmission X-ray diffraction pattern obtained with a focusing Debye-Scherrer beam and Cu—K
&agr;1
-radiation, has lines at the following diffraction angles 2&thgr;:
Lines of strong intensity: 10.65; 14.20; 14.80; 16.10; 21.70; 23.15; 24.40; 24.85; 25.50; 25.85; 26.90; and 29.85 degrees,
Lines of medium intensity: 7.40; 9.80; 13.10; 15.45; 16.80; 20.70; 21.45; 22.80; 23.85; 27.25; and 28.95 degrees,
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Faasch Holger
Hedtmann Udo
Paulus Erich
Westenfelder Uwe
Aventis Pharma Deutschland GmbH
Finnegan Henderson Farabow Garrett & Dunner L.L.P.
Lambkin Deborah C.
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