The phrase "about which none" is correct and usable in written English.
It can be used in formal or literary contexts when referring to a subject or topic that is not known or specified by anyone.
Example: "There are many mysteries in the universe, about which none can claim to have all the answers."
Alternatives: "regarding which no one" or "concerning which none".
This should include not trading in derivatives and other "financial products" about which none of them have the remotest understanding.
I think it poo-poos other people's views of a universe about which none of us know clearly or absolutely".
A member of the hospital's board, Athar Minallah, says doctors were pressured not to make such an examination by the local police chief, which the officer denies and about which none of the doctors will publicly comment.
It stands alone mostly because it controls two sorts of assets about which none of its rivals can boast: a major Internet service and -- at least as important -- a major cable television operation.
They asked groups of participants to estimate certain quantities in geography or crime, about which none of them could be expected to have perfect knowledge but all could hazard a guess – the length of the Swiss-Italian border, for example, or the annual number of murders in Switzerland.
It took me many years to learn that one reason I did not feel fulfilled was because of all the things I had missed out on en route to a high GPA a GPA about which none of my editors has ever inquired.
The host enjoys making jokes about Wittgenstein, jokes which none of his friends seem to appreciate.
And you perhaps think they'd at least do something about European immigration, which none of the other parties would".
Mr. Levy was buying waffles at Trader Joe's on Saturday when the checkout clerk told him about the dish, which none of the three have had before.
Last year, he did a story about red mercury, which none of us had ever heard of, and then suddenly it was all over the papers.
Only few articles about dissemination information, of which none on the MS disorder, have been written.
