The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 03, 2026
Filed:
Jun. 10, 2020
Chr. Hansen A/s, Hoersholm, DK;
Stefan Jennewein, Bad Honnef, DE;
Markus Helfrich, Bad Hoenningen, DE;
Chr. Hansen A/S, Hoersholm, DK;
Abstract
Disclosed is a process for the purification of LNnT (lacto-N-neotetraose) from a fermentation broth, the process comprises subjecting a fermentation broth to a first step of membrane filtration, thereby providing a filtrated solution, such filtrated solution is subjecting to a second step of simulated moving bed chromatography, obtaining a purified solution thereof, then subjecting this purified solution to a third step of crystallization, obtaining crystals containing the LNnT of interest, and subjecting the crystals to a fourth and final step of drying, thereby providing a highly purified powder of LNnT.