DAVISON CHEMICAL CORP. v. JOLIET CHEMICALS

No. 9991.

179 F.2d 793 (1950)

DAVISON CHEMICAL CORP. v. JOLIET CHEMICALS, Inc. et al.

United States Court of Appeals Seventh Circuit.

Rehearing Denied March 7, 1950.


Attorney(s) appearing for the Case

Harold W. Norman, Chicago, Ill., Edward A. Zimmerman, Chicago, Ill., for plaintiff-appellant.

John Rex Allen, Jules L. Brady, Chicago, Ill., for appellee.

Before MAJOR, Chief Judge, and FINNEGAN and LINDLEY, Circuit Judges.


LINDLEY, Circuit Judge.

In plaintiff's suit to enjoin infringement of patent No. 1,900,859 to Connolly et al., March 7, 1933, covering a process for making silica gel, the court, upon motion for summary judgment, having before it the Connolly patent, its file wrapper, prior patent No. 1,297,724 to Patrick, March 18, 1919, the deposition of Connolly, the affidavits of Mecredy and Patrick as to the status of the prior art, not disputed by plaintiff or defendants, allowed...

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