Exact Sciences Corp. said it acquired Biomatrica Inc., a developer, manufacturer and provider of sample preservation technology.

Biomatrica owns eight issued U.S. utility patents, one issued U.S. design patent and 36 issued patents in foreign jurisdictions, with four additional patents pending in the U.S. The patents relate to technologies that stabilize biological materials.

San Diego-based Biomatrica will operate as a wholly owned subsidiary of Exact Sciences and will continue to supply its products to other companies.

Exact Sciences did not disclose the financial details of the deal in an Oct. 18 news release.

Madison, Wis-based Exact Sciences is a molecular diagnostics company focused on the early detection and prevention of various forms of cancer.