The phrase "a process from which" is correct and usable in written English.
It can be used to describe a process that leads to a specific outcome or result, indicating the source or origin of something.
Example: "The research outlines a process from which we can derive valuable insights into consumer behavior."
Alternatives: "a method that yields" or "a procedure that results in".
There were plans to sell off attractive British Waterways properties, a process from which it has raised £45m a year.
Drug companies infuriated many Democrats in 2003, when they worked closely with Republicans to create the Medicare drug benefit, in a process from which Democrats were largely excluded.
The current system is so confusing and costly that it leaves many borrowers feeling gouged by a process from which they cannot escape.
This marks an about-turn from his view of school design, a process from which he sought to remove architects entirely when he was education secretary, accusing them of "creaming off cash" with their fancy plans.
Many United Nations officials have complained, with regard to the coming meeting, that they were deliberately kept at a distance during the planning stage and are now being asked to validate a process from which they were excluded.
It was enough to realize that normal existence consists of a process of continual birth, death, and rebirth, a process from which, by following the path the Buddha discovered, one might achieve release.
Leather tanning is a wet process from which a large volume of highly saline liquid waste is continuously generated.
For Grass, "The Box" suggests, dealing with the past is not a finite process from which you eventually emerge, but rather a continuing one.
Clonal evolution is, however, a dynamic process from which clones that are not necessarily committed to a malignant phenotype can also emerge, resulting in genetic heterogeneity in the tissue.
These lead to an elegant process from which an explicit parametric representation of the general offset curves is derived.
It sounds dangerous, but perhaps it is just a catalytic process from which some new stable compound identity will emerge.
