PATENT

3680. ----- [STUDIEN-UND VERWERTUNGS-G. M. B. H.]  Paraffin.  British Patent 500,950, Feb. 17, 1939; appl. filed July 17, 1937.  Chem.. Abs., vol. 33, 1939, p. 5869.

Corresponds to French Patent 824,893 (abs. 3681).