公开(公告)号：WO2023088908A1

公开(公告)日：2023-05-25

申请号：PCT/EP2022/082014

申请日：2022-11-15

Applicant: CARBIOS

Inventor： MARTY, Alain ,  ANDRE, Isabelle ,  ARNAL, Grégory ,  DUQUESNE, Sophie ,  GAVALDA, Sabine ,  GUEROULT, Marc ,  TOURNIER, Vincent

IPC: C12N9/18 ,  C08J11/10 ,  C12N15/52

Abstract: The present invention relates to novel esterases, more particularly to esterase variants having improved activity and/or improved thermostability compared to the parent esterase of SEQ ID N°1, SEQ ID N°2 or SEQ ID N°3 in acidic conditions and the uses thereof for degrading polyester containing material, such as plastic products. The esterases of the invention are particularly suited to degrade polyethylene terephthalate, and material containing polyethylene terephthalate in acidic conditions.

公开(公告)号：WO2021099337A1

公开(公告)日：2021-05-27

申请号：PCT/EP2020/082447

申请日：2020-11-17

Applicant: CARBIOS

Inventor： DUQUESNE, Sophie ,  GAVALDA, Sabine ,  BEN KHALED, Maher

IPC: C12N9/16

Abstract: The present invention relates to novel proteases, more particularly to protease variants having improved thermostability compared to the protease of SEQ ID N°1 and the uses thereof for degrading polyester containing material, such as plastic products. The proteases of the invention are particularly suited to degrade polylactic acid, and material containing polylactic acid.