Quaternary ammonium compounds

Details Quaternary ammonium compounds Quaternary ammonium compounds

2005-09-20

2005-09-20

Tsang, Cecilia J. (Department: 1625)

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Ester doai

C514S534000, C514S579000, C514S646000, C514S663000, C514S727000, C514S729000, C514S730000, C564S281000, C564S285000, C564S287000, C560S060000

Reexamination Certificate

active

06946486

ABSTRACT:
The invention features quaternary ammonium compounds of formula I, described herein, and their use in treating asthma, chronic obstructive pulmonary disorder, allergic rhinitis, and infectious rhinitis.

REFERENCES:
patent: 5840754 (1998-11-01), Guittard et al.
patent: 5973182 (1999-10-01), Bakale et al.
A copy of STN structural search.

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