The phrase "in the process of combining" is correct and can be used in written English.
It is typically used to describe an ongoing action or task of putting different things together to form a new whole. Here is an example of how it could be used in a sentence: "I am currently in the process of combining all of our company's financial data into one comprehensive report."
Royal, Bank of Montreal and Toronto-Dominion are in the process of combining their cheque and document-processing services.
It is already in the process of combining those functions for many of its smaller papers.
Mr. Schecter was in the process of combining and renovating the apartments but decided to halt the process and put the property on the market uncompleted.
Cadbury Schweppes, the third-largest soft drink maker in the world, is in the process of combining Dr. Pepper/Seven Up, Mott's and Snapple into one regional beverage company.
In the process of combining the gradient images due to each low-resolution image, we use adaptive FIR filtering.
We are currently in the process of combining both approaches to create a protein-drug innovation system to further promote pharmaco-proteomic-based drug development.
In sum, the process of combining differential expression profiling and comparative genomics successfully led to further defining the role of Sox10, a critical transcription factor for the development of peripheral glia.
Individual interventions may perform better in particular settings and the process of combining studies may lose an element of specificity in attempting to produce a generalisable example.
Google changed its privacy policy in March 2012 and began the process of combining the data that people surrendered when they used its many services.
The Books: an essay about the experience of moving in with a partner and the process of combining libraries.
Blending, in yarn production, process of combining fibres of different origins, length, thickness, or colour to make yarn.
