Townsend

This is an appeal from a decree denying a temporary injunction in a suit for patent infringement. The patent involved was considered by this court in Lorraine v. Townsend, 299 F. 54 , where the nature .and the object of the invention were thus described:

“The essence of the invention is supposed to be the conception, in combination, that the most perfect and quickest results may be obtained by applying pressure to a thin, unbroken film of the mixture slowly flowing over the surface of a solid, such, for example, as the interior surface of the wall of the separator tank. The inventor’s theory is that in this way not only will the dry gas be expelled, but the lighter liquid constituents, such as gasoline, will be retained in solution with the heavier ,oils. There is no claim to the discovery of the physical law involved; that appears to have been well known. Standard Oil Co. v. Oklahoma [Natural Gas Co.] (C. C. A.) 284 F. 469, 472 . As a means the patentee specifies an upright cylindrical tank or chamber within which near the top are mounted cone-shaped spreaders, one below the other, with their peripheries nearly in contact with the walls of the chamber. By a pipe connecting the…