公开(公告)号：US20230167047A1

公开(公告)日：2023-06-01

申请号：US17920327

申请日：2021-04-21

Applicant: DSM IP ASSETS B.V.

Inventor： Peter Hans RIEBEL ,  Angela WILDERMANN

IPC: C07C201/02 ,  C07C67/08

CPC classification number: C07C201/02 ,  C07C67/08

Abstract: The invention relates to a safe and efficient process for the for the acylation of an α,ω-alkanediol, which can be used in the manufacture of ω-nitrooxy-C3-10alkane-1-ols. The process is safer to operators and allows to obtain advantageous yields on industrial scale.

公开(公告)号：US20230167048A1

公开(公告)日：2023-06-01

申请号：US17920337

申请日：2021-04-21

Applicant: DSM IP ASSETS B.V.

Inventor： Peter Hans RIEBEL ,  Angela WILDERMANN

IPC: C07C201/02

CPC classification number: C07C201/02

Abstract: The invention relates to a safe and efficient process for the solvent removal and recovery by distillation in a process for the preparation of ω-nitrooxy-C3-10alkane-1-ols. The process is safer to operators and allows to obtain advantageous yields on industrial scale.

公开(公告)号：US20230150917A1

公开(公告)日：2023-05-18

申请号：US17919939

申请日：2021-04-21

Applicant: DSM IP ASSETS B.V.

Inventor： Peter Hans RIEBEL ,  Angela WILDERMANN

IPC: C07C201/02 ,  C07C203/02

CPC classification number: C07C201/02 ,  C07C203/02

Abstract: The invention relates to a safe and efficient process for the hydrolysis of α,ω-C3-10alkanediol mononitrate monoacylates. The process is safer to operators and allows to obtain advantageous yields on industrial scale.

公开(公告)号：US20230150916A1

公开(公告)日：2023-05-18

申请号：US17919932

申请日：2021-04-21

Applicant: DSM IP ASSETS B.V.

Inventor： Peter Hans RIEBEL ,  Angela WILDERMANN

IPC: C07C201/02

CPC classification number: C07C201/02

Abstract: The invention relates to a safe and efficient process for the nitrate ester formation of an α,ω-C3-10alkanediol monoacylate. The process is safer to operators and allows to obtain advantageous yields on industrial scale.

公开(公告)号：US20210071208A1

公开(公告)日：2021-03-11

申请号：US16958859

申请日：2018-12-14

Applicant: DSM IP ASSETS B.V.

Inventor： Henricus Martinus Maria Gerardus STRAATMAN ,  Martin SCHÜRMANN ,  Peter Hans RIEBEL

IPC: C12P7/18

Abstract: The present invention is related to a novel selective one-step enzymatic process for hydrolysis of 1,3-propanediol diacetate (PDDA) into 1,3-propanediol monoacetate (PDMA).