The phrase "albeit kept" is correct and usable in written English.
It can be used to introduce a contrast or exception, often in a formal context, indicating that something is true despite a particular condition.
Example: "The project was successful, albeit kept within a tight budget."
Alternatives: "although maintained" or "even if preserved".
Bugliosi, albeit unsuccessfully, kept trying to hammer home the point that it wasn't Bush's lies about the existence of WMD, but the imminent threat that Bush regurgitated ad nauseum to bolster his case for war.
The pod felt like a cocoon – albeit one I kept gently bumping into in my first restless minutes.
Although museum officials say that the existing limits on crowd size will be kept (albeit with extended hours), it is clearly meant to draw bigger numbers and more tourist dollars.
The Lib Dem pledge to raise personal allowance has been kept, albeit not as something to be introduced in year one, but some of the progressive taxation measures we were committed to implementing to pay for it have not.
The university tipped its hand further in recent days by sending groundbreaking ceremony invitations -- albeit ones that kept the donor's name secret -- to civic leaders, university officials and professors.
Only four of the existing bridges were kept, albeit with some changes: the 1925 Avenue 26 Bridge, the 1926 Avenue 60 Bridge, the 1895 Santa Fe Arroyo Seco Railroad Bridge (now part of the Gold Line) near Avenue 64, and the 1912 York Boulevard Bridge.
Instead, the number of restaurants kept growing, albeit more slowly.
Throughout it all, his daughter kept working, albeit sporadically and erratically.
But as its economy kept growing, albeit slowly, and European economies faltered and worries grew that emerging economies might experience slower growth, the American market overtook the others.
Aston Villa were also linked with an offer for him, while Portsmouth, where he had run down his contract, would have liked to have kept him, albeit on significantly reduced terms – Campbell had been earning £80,000 a week at Fratton Park.
