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Patent No. 1800632A: Method Of Preparing Hop Extract And Products Containing Hop Extract


Today in 1931, US Patent 1800632 A was issued, an invention of Emil C. Horst, for his “Method Of Preparing Hop Extract And Products Containing Hop Extract.” There’s no Abstract, but the description says simply it’s an “invention [that] relates to a method of preparing hop extract and the product obtained, the object being to obtain a hop extract containing all the desired constituents of hops of value for the manufacture of non-prohibited cereal beverages and other non-prohibited products.” And here’s how he summarizes it:

The method briefly stated consists first in extracting the volatile matter or oil from the fresh or dried hops. Secondly to extract the bitter constituents consisting of soft resins, the tannins, the coloring matter and the foam producing constituents, and third to combine the volatile oil of the hops and the extract to obtain a product containing all the constituents of hops required for the brewing of cereal beverages.

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