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Albert Edvard Jens Theilgaard
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Processes Of Treating Macromolecular Substances
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Abstract
20,081. Theilgaard, A. E. J. V. J. Sept. 13. India - rubber, devulcanizing. - Devulcanization with sulphites, described in Specification No. 8041, A.D. 1899, is carried out at a temperature of 212‹ F. or more, and under from two to ten atmospheres pressure.
GB190220081D1902-09-131902-09-13Improvements in the Process of Devulcanizing Caoutchouc, India-rubber, Gum Elastic and similar Materials.
ExpiredGB190220081A
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