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    PROCESS FOR THE PURIFICATION OF ORGANIC SULFUR COMPOUNDS
    1.
    发明申请
    PROCESS FOR THE PURIFICATION OF ORGANIC SULFUR COMPOUNDS 有权

    公开(公告)号：US20220267293A1

    公开(公告)日：2022-08-25

    申请号：US17634473

    申请日：2020-08-13

    Applicant: BASF SE

    Inventor： Indre Thiel ,  Thomas Maximilian Wurm ,  Peter Rudolf

    IPC: C07D327/04

    Abstract: A process for the purification of organic sulfur compounds involves bringing the organic sulfur compounds, in a liquid phase, into contact with an oxide of a metal from groups VIIb or VIIIb and an oxide of a metal from groups Ia to IIIa of the periodic system, or alternatively, with a mixed-oxide thereof; for a contact period of at least 1 minute. Afterwards, the oxides and the organic sulfur compounds are separated.

    METHOD FOR THE PREPARATION OF THIOCARBONATES
    3.
    发明申请
    METHOD FOR THE PREPARATION OF THIOCARBONATES 有权

    公开(公告)号：US20220127241A1

    公开(公告)日：2022-04-28

    申请号：US17646766

    申请日：2022-01-03

    Applicant: BASF SE

    Inventor： Peter RUDOLF ,  Indre Thiel ,  Markus Jegelka ,  Jan-Dirk Arndt ,  Joaquim Henrique Teles

    IPC: C07D327/04 ,  C07D411/12

    Abstract: A process can be used for the preparation of a compound with at least one five-membered cyclic monothiocarbonate group. The process involves a) using a compound with at least one epoxy group as starting material; b) reacting the compound with phosgene or an alkyl chloroformate, thus giving an adduct; and c) reacting the adduct with a compound containing anionic sulfur, thus obtaining the compound with at least one five-membered cyclic monothiocarbonate group.

    PROCESS FOR THE MANUFACTURING OF A POLYMER WITH URETHANE GROUPS
    4.
    发明公开
    PROCESS FOR THE MANUFACTURING OF A POLYMER WITH URETHANE GROUPS 审中-公开

    公开(公告)号：US20240279199A1

    公开(公告)日：2024-08-22

    申请号：US18595535

    申请日：2024-03-05

    Applicant: BASF SE

    Inventor： Peter RUDOLF ,  Indre Thiel ,  Hans-Josef Thomas ,  Hannes Blattmann

    IPC: C07D327/04 ,  C08G71/04

    CPC classification number: C07D327/04 ,  C08G71/04

    Abstract: A process for the manufacturing of a polymer with urethane groups can be performed. In a first alternative a five-membered cyclic monothiocarbonate, a compound with at least two amino groups selected from primary or secondary amino groups, and a compound with at least two function groups that react with a —SH group are reacted. In a second alternative a five-membered cyclic monothiocarbonate and a compound with at least one primary or secondary amino group, and at least one function group that reacts with an —SH group are reacted.

    Process for the manufacturing of a polymer with urethane groups
    5.
    发明授权
    Process for the manufacturing of a polymer with urethane groups 有权

    公开(公告)号：US11958823B2

    公开(公告)日：2024-04-16

    申请号：US16639339

    申请日：2018-08-07

    Applicant: BASF SE

    Inventor： Peter Rudolf ,  Indre Thiel ,  Hans-Josef Thomas ,  Hannes Blattmann

    IPC: C07D327/04 ,  C08G71/04

    CPC classification number: C07D327/04 ,  C08G71/04

    Abstract: Object of the invention is a process for the manufacturing of a polymer with urethane groups, wherein in a first alternative A) a five-membered cyclic monothiocarbonate B) a compound with at least two amino groups, selected from primary or secondary amino groups, and C) a compound which at least two functional groups that react with a group —SH or, in case of a carbon-carbon triple bond as functional group that react with a group —SH, a compound with at least one carbon-carbon triple bond are reacted or wherein in a second alternative A) a five-membered cyclic monothiocarbonate and D) a compound with at least one primary or secondary amino group and at least one functional group that reacts with a group —SH.

    PROCESS FOR DISCOLORATION OF A COLORED POLYMERIC MATERIAL
    8.
    发明申请
    PROCESS FOR DISCOLORATION OF A COLORED POLYMERIC MATERIAL 有权

    公开(公告)号：US20250032956A1

    公开(公告)日：2025-01-30

    申请号：US18719366

    申请日：2022-12-19

    Applicant: BASF SE

    Inventor： Sina Witzel ,  Hannah Stephanie Mangold ,  Christian Rein ,  Indre Thiel

    IPC: B01D11/02 ,  B29B17/02 ,  B29K105/00 ,  C08J11/02

    Abstract: In a first aspect, the invention relates to a process for discoloration of a colored polymeric material comprising: (i) providing a colored polymeric material and providing a solvent comprising gamma-valerolactone: (ii) contacting the colored polymeric material with a solvent comprising gamma-valerolactone at a temperature in the range of from 40 to 170° C. thereby obtaining a solvent, which is enriched in colorant compared to the solvent provided in (i), and a polymeric material, which is depleted in colorant compared to the colored polymeric material provided in (i). A second aspect of the invention is related to a polymeric material, which is depleted in colorant obtained or obtainable from the process of the first aspect. In a third aspect, the invention is related to a use of the polymeric material, which is depleted in colorant according to the second aspect for textile applications, fiber applications, packaging applications or plastic applications. A fourth aspect of the invention is related to a method for preparing a textile or a packaging comprising (a) providing a polymeric material, which is depleted in colorant, preferably a polymeric material, which is depleted in colorant of the second aspect: (b) preparing a textile or a packaging from the polymeric material provided in (a).

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