In 1921, a method of retarding the coagulation of liquid latex was developed. This method enabled rubber makers to transport raw latex in a liquid form more easily to manufacturing centers around the world. This in turn led to new processes for making rubber goods. In the early 1920s, a number of patents were granted in England for processes that allowed molds to be dipped in liquid latex. In 1931, the first modern latex balloon was created by Neil Tillotson in his attic. He sold 15 of his “Tilly Cat” balloons (shaped like a cat’s head, complete with whiskers printed on with dye) for the Patriot’s Day parade in Massachusetts in April 1931, and formed a company that still makes balloons today.
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