"despite this not being" is correct and a usable phrase in written English.
It is usually used to explain that a certain thing or situation was not the case, despite the fact that it might otherwise have been expected. For example, "Despite this not being the first time I have encountered this problem, I still can't seem to find a solution."
"Surprisingly, we've received a number of calls from customers expecting to be able to sell their annuities now, despite this not being available until at least 2016," said Tommy Young, chief operating officer at Aegon.
Tesco dipped 2.9p to 224.5p despite a positive note from analyst Bruno Monteyne at Bernstein, who said the recovery under new chief executive Dave Lewis was continuing despite this not being reflected in the share price and repeated his outperform rating with a price target of 285p.
We discuss how our phones originally designed for distance communication are unfortunately still oriented in this way, despite this not being appropriate.
But then despite this not being a head-to-head debate, and certainly not the event the broadcasters originally wanted, it wasn't an easy night for either leader.
In conclusion, Poniewozik said that despite this not being "an all-time classic" it was "one of the most laugh-full 30 Rock's in a while".
Future ecological study will examine whether certain species typically gain spatial refugia, despite this not being the overriding case in these guilds.
33 00-36 00-Minute Group Participants who can't wait to toss their color-run powder, despite this clearly not being a color run.
He is doing this despite not being resigned by the Saints and heading instead to Cleveland.
I know this despite not being able to read Spanish and not even being much of a sports fan.
The 60-year-old actor has become a regular at the Oscars over the last two years, this despite not being nominated himself.
Serafinowicz and I have a laugh at this and, despite not being able to do anything with the blacksmith.
