Word: waterproofer
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Dates: during 1940-1949
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...basic materials are coal, air, water. Last week nylon stockings, as handsome as silk, continued to be sold only in Wilmington (see p. 76). Meanwhile Du Pont announced that the nylon chemicals would be put to many other uses besides stockings: greaseproof paper containers, non-cracking patent leather, waterproof clothing, flexible window panes...
...filler, but did not start to exploit it until 1932. In 1926 a German chemist, Dr. T. E. Goldschmidt, developed a filler made of tissue paper impregnated with phenolic resin. This made a bond so firm that the sandwich was stronger weight for weight than steel. It was also waterproof and bacteria-proof...