Legal Opinion
Koppers Company, Inc. v. Foster Grant Co., Inc.
Court of Appeals for the First Circuit
Decided June 6, 1968No. 6971PublishedCited by 14 opinions
1Opinion of the Court
ALDRICH, Chief Judge.
This is an appeal from a decision of the district court holding Grim Patent No. 2,673,194, issued March 23, 1954, invalid for want of invention. The patent is for a formula or process for polym erizing monomers 1 which, concededly, achieved great commercial success in a field crowded with method, but none of which had afforded practical, large-scale production. Grim produced polymer beads of consistent quality, of high molecular weight and of assured clarity, by use of a relatively low ratio of processing water, a combination which even defendant’s expert, one DeBell,…
2Cases cited5 opinions
- Graham v. John Deere Co. of Kansas CitySupreme Court of the United States · 1966
- United States v. AdamsSupreme Court of the United States · 1966
- United Chromium, Inc. v. International Silver Co.Court of Appeals for the Second Circuit · 1932
- Hanovia Chemical & Mfg. Co. v. David Buttrick Co.Court of Appeals for the First Circuit · 1942
- Koppers Co. v. Foster Grant Co.District Court, D. Massachusetts · 1967
3Cited by14 opinions
- Dale Electronics, Inc. v. R. C. L. Electronics, Inc., Dale Electronics, Inc. v. R. C. L. Electronics, Inc.Court of Appeals for the First Circuit · 1973
- Flour City Architectural Metals v. Alpana Aluminum Products, Inc., Alpana Aluminum Products, Inc. v. Flour City Architectural MetalsCourt of Appeals for the Eighth Circuit · 1972
- Shanklin Corporation v. Springfield Photo Mount CompanyCourt of Appeals for the First Circuit · 1975
- Columbia Broadcasting System v. Sylvania Electric Products, Inc.Court of Appeals for the First Circuit · 1969
- Forbro Design Corporation v. Raytheon Company, Forbro Design Corporation v. Raytheon CompanyCourt of Appeals for the First Circuit · 1976
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