Lucius Quintus Cincinnatus Lamar

“ I find that a solution of a chlorine salt dissolved in an excess of muriatic acid serves my purpose as a bath for this refining treatment. I claim as my invention (1) the method of refining all grades of coarse hair, which consists in subjecting it to the action of chemicals, whereby the surface of each hair is corroded or dissolved away, and its diameter reduced, substantially as set forth; (2) the method of refining coarse hair, which consists in subjecting it to the action of a bath composed of muriatic acid, in which is dissolved a chlorine salt, substantially as set forth ”

“ The experiments which Keith said he had made according to Marchand's formula, and which failed to produce refined hair, were, as he admitted, his first experiments for that purpose, while those made by Marchand were the results of 12 years of practice, and attested themselves by the specimens produced. We think the complainants did not make out a case of infringement. There is not a preponderance of evidence in their favor. ”

“ He had given hair special consideration during three or four years past, and had made experiments upon the processes of refining and bleaching hair with reference to this suit and another legal controversy. In his testimony he asserts, substantially, that the defendant's article cannot be produced, except by a treatment in a solution of chlorine salt and muriatic acid, or their (chemical) equivalents. ”