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Patent Infringement Case: Otto v. Koppers by Scribd Government Docs is a document available to read on EtoBox.
What is Patent Infringement Case: Otto v. Koppers about?
This document is a court case from 1957 regarding a patent dispute over a method for producing ammonium sulfate from coke oven gas. It provides background on the two main methods used prior to 1946 - the cracker pipe saturator which used a supersaturated solution, and the packed tower scrubber which used an unsaturated solution. The plaintiff, Carl Otto, developed a new method in 1946 that combined aspects of both systems by spraying a saturated solution containing seed crystals into an empty scrubber tower
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- Scribd Government Docs
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- EN