EPO published patent EP3687487A1 for DSM IP Assets B.V. covering production methods for retinyl esters. The patent includes nine named inventors and covers compositions and methods under IPC classifications A61K 8/67 (cosmetic preparations with vitamins), A61K 31/07 (retinoid preparations), and C12N 9/10 (transferase enzymes). The designation covers all EU member states plus associated European countries.

Companies developing products involving retinyl esters or related enzymatic processes should review the patent claims to assess potential infringement risks. Parties seeking to use the patented production methods may need to pursue licensing arrangements with DSM IP Assets B.V. The patent publication is informational and does not impose compliance obligations on third parties.