Drug – bio-affecting and body treating compositions – Identification or warning feature – Taste or smell or chemical irritation to the eye – nose – or...
Patent
1973-12-05
1976-04-27
Moyer, Donald B.
Drug, bio-affecting and body treating compositions
Identification or warning feature
Taste or smell or chemical irritation to the eye, nose, or...
424 88, 424 91, 424 95, 424195, A61K 3900, A61K 3936
Patent
active
039535886
ABSTRACT:
Improved allergen-containing extracts are obtained by the extraction of allergy-causing materials, such as pollen and house dust, with hydrophilic aqueous extractants, by pretreating the allergen-containing material with a lipophilic, aqueous extraction liquid. Allergens extracted in the two steps can be combined and formed into allergen preparations, which can be used both for diagnostic and therapeutic purposes.
REFERENCES:
patent: 3553311 (1971-01-01), Smith
Remington's Pharmaceutical Sciences, 13th Ed., pp. 486-488, Mack Publishing Co., Easton, Pa. (1965).
Maas Jurgen
Nieschulz Otto
Rudiger Gunther
Merck Patent Gesellschaft mit beschraenkter Haftung
Moyer Donald B.
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