Thermo Fisher Scientific completes acquisition of Solventum’s purification and filtration business

Highly complementary technologies strengthen Thermo Fisher’s portfolio in bioprocessing and adjacent markets

5 Sept 2025

Industry news

Thermo Fisher Scientific has announced its acquisition of the Purification & Filtration business of Solventum. With the transaction complete, the business, which is now Thermo Fisher’s Filtration and Separation business, is part of the Life Sciences Solutions segment.

The transaction includes Solventum’s Purification & Filtration business serving Bioprocessing Filtration, Healthcare and Industrial Filtration, and Membranes. The business strengthens Thermo Fisher’s bioproduction offerings with advanced filtration technologies that improve quality and efficiency across upstream and downstream workflows.

In addition, the robust industrial filtration and membrane solutions will expand Thermo Fisher's reach into industries requiring ultra-pure water, including battery, semiconductor and medical device manufacturing.

“We are delighted to welcome the Filtration and Separation colleagues to Thermo Fisher,” said Marc N. Casper, chairman, president and chief executive officer of Thermo Fisher. “The addition of innovative filtration technologies is highly complementary and expands our bioprocessing portfolio to better serve the end-to-end needs of our pharma and biotech customers in this rapidly growing market. It also provides opportunities to broaden our reach in adjacent markets with attractive growth.”

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Protein PurificationProtein purification is a vital step in drug discovery, therapeutics, biotech and life science research. The purification process typically involves subcellular or membrane protein extraction with cell lysis kits, separation of proteins from cell debris by filtration or spin columns, and the isolation of proteins of interest from other proteins and impurities with affinity purification (including fusion protein tags and antibody binding proteins A, G and L), immunoprecipitation or chromatographic methods, such as ion exchange, size exclusion and immobilized metal affinity chromatography. All purification methods come in multiple formats for your laboratory needs, including agarose or magnetic beads, resins, columns and filter plates. Find the best protein purification equipment in our peer-reviewed product directory: compare products, check customer reviews and receive pricing direct from manufacturers.Bioprocessing / FermentationBioprocessing is the use of biological materials to perform commercial, scientific or medical research processes. Biological materials used include cells, enzymes and organisms. Usually bioprocessing requires a batch or continuous bioreactor such as a fermentor or cell culture system. The advantages of using a reactor include high productivity, easy configuration, adjustable values and automation.Ultrapure WaterUltrapure water is the highest purity water and contains the lowest levels of organic and inorganic contaminants, particulates and microorganisms.