US 12,312,422 B2
Chitin and process for producing chitin and/or chitosan by the enzymatic and chemical pathway
Lorena Sanchez, Juvisy-sur-Orge (FR); Cecilia Socolsky, Lille (FR); Valérie Alezra, Paris (FR); Corentin Le Berre, Juvisy-sur-Orge (FR); Bénédicte Lorette, Montlhery (FR); Sophie Laurent, Nantes (FR); and Nathalie Berezina, Paris (FR)
Assigned to Ynsect, Évry-Courcouronnes (FR)
Filed by Ynsect, Évry-Courcouronnes (FR)
Filed on Jan. 4, 2024, as Appl. No. 18/404,047.
Application 18/404,047 is a division of application No. 16/772,423, granted, now 11,958,918, previously published as PCT/FR2018/053285, filed on Dec. 31, 2018.
Claims priority of application No. 1762307 (FR), filed on Dec. 15, 2017.
Prior Publication US 2024/0150498 A1, May 9, 2024
Int. Cl. C08B 37/08 (2006.01); C08B 37/00 (2006.01); C08L 5/08 (2006.01)
CPC C08B 37/003 (2013.01) [C08B 37/0003 (2013.01); C08L 5/08 (2013.01); C12Y 304/00 (2013.01)] 7 Claims
 
1. A chitin having purity of greater than 97.75%, wherein the purity is obtained by subtraction of amino acid, lipid, and ash impurity contents from an absolute purity value, wherein the absolute purity value is equal to 100%, and wherein the chitin is from Coleopterans and/or Lepidopterans insects.