The phrase "although incomplete" is correct and usable in written English.
It can be used to acknowledge that something is not fully finished or lacks certain elements while still being valid or useful.
Example: "The report is informative, although incomplete, and will be updated in the next version."
Alternatives: "even if unfinished" or "despite being partial".
Although incomplete bone formation after sinus augmentation has been described in a previous case reports, this is the first case report that describes grafting these compromised sites prior to implant placement.
Nevertheless, none of them considered the incompleteness of the educational data gathered in an academic credit system although incomplete data handling was figured out well with several different general-purpose solutions.
Because the last answer was literally true, although incomplete and misleading, the defendant's conviction was reversed.
Although incomplete, the film has striking visuals and complex characterisations that confirm Von Stroheim's unique vision.
The carburizing of the metallic lattice into carbide WC is observed at 1223 K although incomplete.
Lankford coefficients are one, although incomplete, measure of a steel's drawing quality.
Hence, data at the city-level, although incomplete, can be more helpful in understanding the protests' locations.
Initial, although incomplete, approaches to assemble this knowledge space are reported together with their use in virtual screening.
And a picture, although incomplete, has emerged of their unusual wanderings from villages in northern Jordan through several European countries, including Poland, East and West Germany and Britain.
Fortunately, the mammary gland is rather amenable to experimental inquiry and, as a result, we have a fair, although incomplete, understanding of the mechanisms that control its development.
Although incomplete, a flower that has both stamens and a pistil is said to be perfect; lacking either of these parts, it is imperfect.
