A. Hamor and Charles W. Trigg, Pittsburgh, Pa.,
assignors to John E. King, Detroit, Mich., are granted a United
States patent on a process for making a new soluble coffee. The
process consists in bringing the volatilized caffeol in contact
with a petrolatum absorbing medium, where it is held until needed
for combination with the evaporated coffee extract.

1919--Floyd W. Robison, Detroit, is granted a United States patent
on a process for aging green coffee by treating it with
micro-organisms to improve its flavor and to increase its
extractive value. The product is put on the market as Cultured
coffee.

1919--William Fullard, Philadelphia, is granted a United States
patent on a "heated fresh air system" for roasting coffee.

1919--A million-dollar propaganda for coffee is begun in the United
States by Brazil planters in co-operation with a joint coffee-trade
publicity committee.

1920--The third national coffee week is observed in the United
States, this time under the auspices of the Joint Coffee Trade
Publicity Committee.

1920--Edward Aborn, New York, is granted a United States patent on
a Tru-Bru coffee pot, a device embodying striking improvements on
the French filter principle.

1920--Alfredo M. Salazar, New York, is granted a United States
patent on a coffee urn in which the coffee is made at the time of
serving by using steam pressure to force the boiling water through
the ground coffee held in a cloth sack attached to the faucet.

1920--William H. Pisani, assignor to M.J. Brandenstein & Co., San
Francisco, is granted a United States patent on a vacuum process
for packing roasted coffee.

1921--The Comite Francais du Cafe is founded in France to increase
the consumption of coffee.

1922--The Sao Paulo legislature at the solicitation of the
Sociedade Promotora da Defeza do Cafe passes a bill increasing the
export tax on coffee from Santos to 200 reis per bag to continue
the propaganda for coffee in the United States for three years.

[L] Approximate Date.

[M] Legendary.

[Illustration]

A COFFEE BIBLIOGRAPHY

_A list of references gathered from the principal general and
scientific libraries--Arranged in alphabetic order of topics_

TOPICS AND SUBDIVISIONS

ADULTERATION
BOARD OF HEALTH REGULATIONS
BOTANICAL