ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,478,648, issued on Nov. 25, was assigned to LETI PHARMA S.L. (Tres Cantos, Spain).
"Methods of purifying an allergen extract" was invented by Marta Roman-Escutia (Tres Cantos, Spain), Maria Morales (Tres Cantos, Spain), Maria Teresa Gallego (Tres Cantos, Spain) and Jeronimo Carnes Sanchez (Tres Cantos, Spain).
According to the abstract* released by the U.S. Patent & Trademark Office: "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 co...