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APPLICATION OF MARKERT

Patent Appeal No. 7967.

396 F.2d 477 (1968)

Application of Ferdinand MARKERT, Willibald Funk, Gottfried Richter and Otto Frey.

United States Court of Customs and Patent Appeals.

Rehearing Denied October 10, 1968.

Attorney(s) appearing for the Case

Marzall, Johnston, Cook & Root, Herbert B. Keil, Chicago, Ill., for appellants.

Joseph Schimmel, Washington, D. C. (S. Wm. Cochran, Washington, D. C., of counsel) for the Commissioner of Patents.

Before WORLEY, Chief Judge, and RICH, SMITH, ALMOND and KIRKPATRICK, Judges.

SMITH, Judge.

The present appeal relates to a process for the production of gaseous olefins by cracking hydrocarbons. The asserted improvement resides in rapidly cooling the reaction gases "without side reactions and without troublesome coke formation." Appellant asserts that this result is obtained:

* * * by supplying to the current of reaction gases which are at the reaction temperature, in a cooling chamber, one or more compact jets of liquid containing...

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