Improved Process for the Regeneration of Oil Employed as Transformer Oil and the like for use for Electrical purposes.

摘要

8130. Siemens-Schuckertwerke. April 6, 1912, [Convention date]. Purifying mineral &c. oils.-Mineral or other oil that has been used for insulating and cooling electric transformers, resistances, switches, &c. is regenerated by dissolving out the impurities by means of acetone, and afterwards distilling- off the acetone that has dissolved in the purified oil. The Specification as open to inspection under Section 91 (3) (a) refers also to the use of methyl alcohol. This subject-matter does not appear in the Specification as accepted.