US Patent Issued to KEMIRA on June 17 for "Method and system for determination of starch in a sample" (Finnish Inventors)

ALEXANDRIA, Va., June 19 -- United States Patent no. 12,332,174, issued on June 17, was assigned to KEMIRA OYJ (Helsinki).

"Method and system for determination of starch in a sample" was invented by Lari Vahasalo (Littoinen, Finland), Marjatta Piironen (Oulu, Finland) and Iiris Joensuu (Espoo, Finland).

According to the abstract* released by the U.S. Patent & Trademark Office: "In a starch concentration measurement, a liquid sample is conducted from a liquid sample such as pulp suspension or filtrate of a paper, board or tissue process. An iodine solution is added to the sample, and a light absorbance or transmittance of the sample is measured at a wavelength longer than about 650 nm, for example longer than about 700 nm. The measured abs...