Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Patent
1989-04-20
1990-10-16
Waddell, Frederick E.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
514 43, 514 45, 514 49, 514 50, 514946, 514947, A61K 3152, A61K 3170
Patent
active
049635565
ABSTRACT:
Choline esters are used as drug absorption enhancing agents for drugs which are poorly absorbed from the nasal, oral, and vaginal cavities.
REFERENCES:
patent: 4851391 (1989-07-01), Hempel
Alexander Jose
Fix Joseph A.
Repta A. J.
DiPrima Joseph F.
Merck & Co. , Inc.
Polk Manfred
Waddell Frederick E.
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