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1. US20220110983 - METHODS OF PURIFYING AN ALLERGEN EXTRACT

Office
United States of America
Application Number 17423585
Application Date 26.03.2019
Publication Number 20220110983
Publication Date 14.04.2022
Publication Kind A1
IPC
A61K 35/646
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
35Medicinal preparations containing materials or reaction products thereof with undetermined constitution
56Materials from animals other than mammals
63Arthropods
646Arachnids, e.g. spiders, scorpions, ticks or mites
A61K 36/63
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
36Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
18Magnoliophyta (angiosperms)
185Magnoliopsida (dicotyledons)
63Oleaceae (Olive family), e.g. jasmine, lilac or ash tree
A61K 36/899
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
36Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
18Magnoliophyta (angiosperms)
88Liliopsida (monocotyledons)
899Poaceae or Gramineae (Grass family), e.g. bamboo, corn or sugar cane
CPC
A61K 36/899
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
36Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
18Magnoliophyta (angiosperms)
88Liliopsida (monocotyledons)
899Poaceae or Gramineae (Grass family), e.g. bamboo, corn or sugar cane
A61K 35/646
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
35Medicinal preparations containing materials or reaction products thereof with undetermined constitution
56Materials from animals other than mammals
63Arthropods
646Arachnids, e.g. spiders, scorpions, ticks or mites
A61K 36/63
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
36Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
18Magnoliophyta (angiosperms)
185Magnoliopsida (dicotyledons)
63Oleaceae (Olive family), e.g. jasmine, lilac or ash tree
Applicants LETI PHARMA S.L.
Inventors Marta ROMÁN-ESCUTIA
María MORALES
María Teresa GALLEGO
Jerónimo CARNÉS SÁNCHEZ
Priority Data 19382030.5 17.01.2019 EP
Title
(EN) METHODS OF PURIFYING AN ALLERGEN EXTRACT
Abstract
(EN)

The invention relates to processes for producing semi-purified and purified allergen extracts and pharmaceutical compositions and vaccines for use in the diagnosis and treatment of allergy. In one aspect of the invention, a process for producing a depigmented allergen extract is provided, the process comprising: a) basifying a native allergen extract; and b) removing molecules having a molecular size of less than 3.5 kDa; and c) adjusting the pH to neutrality; thereby to produce a depigmented allergen extract.


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