One perplexing thing about this palladium alloy discussion over the years is that the answer could be hiding in plain sight.
Johnson-Matthey applied for a patent in England in 1989 within months of the SLC announcement -- but then withdrew the application without explanation a few years later. It probably contains all anyone needs to know, unless it was a decoy. Fortunately, the application is still available. Google seldom forgets. https://www.google.com/patents/WO1990015415A1 From: Terry Blanton * Every decade or so, I ask if anyone knows the secret to the Johnson Matthey metals used by F&P. Looks like you are a bit ahead of schedule this time: https://www.mail-archive.com/[email protected]/msg34410.html

