公开(公告)号：US09969864B2

公开(公告)日：2018-05-15

申请号：US14903645

申请日：2014-07-03

Applicant: BASF SE

Inventor： Wolfgang Peter ,  Adalbert Braig ,  Ulrich Berens ,  Kai-Uwe Schöning ,  Markus Grob ,  Cinzia Tartarini ,  Tania Weyland

IPC: C08K5/3435 ,  C07D211/46 ,  C09D123/06 ,  C09D123/12 ,  C09D127/06 ,  C09D133/12 ,  C09D155/02 ,  C09D167/06 ,  C09D169/00 ,  C09D175/04 ,  C08K5/00 ,  C08K5/34

CPC classification number: C08K5/3435 ,  C07D211/46 ,  C08K5/005 ,  C09D123/06 ,  C09D123/12 ,  C09D127/06 ,  C09D133/12 ,  C09D155/02 ,  C09D167/06 ,  C09D169/00 ,  C09D175/04

Abstract: The present invention relates to symmetric diesters of hydroxyalkyl-4-hydroxy-tetraalkylpiperidine compounds and their use as light stabilizers. They are compatible with and soluble in coating formulations of different polarity.

公开(公告)号：US20240294750A1

公开(公告)日：2024-09-05

申请号：US18647000

申请日：2024-04-26

Applicant: BASF SE

Inventor： Stephen Mark Andrews ,  Markus Grob

IPC: C08L69/00 ,  C08K5/00 ,  C08K5/1535 ,  C08K5/5377 ,  C08K5/5393 ,  C08K5/5397

CPC classification number: C08L69/00 ,  C08K5/005 ,  C08K5/1535 ,  C08K5/5377 ,  C08K5/5393 ,  C08K5/5397 ,  C08L2666/34

Abstract: Polycarbonate compositions comprising one or more additives selected from the group consisting of benzofuranone stabilizers of formula I, wherein R1, R2, R3, R4 and R5 are each independently hydrogen, halogen, hydroxy, C1-C25alkyl, C2-C25alkenyl, C2-C25alkynyl, C7-C9phenylalkyl, phenyl, C5-C8cycloalkyl, C1-C5galkoxy, C1-C8alkylamine, di(C1-C8alkyl)amino, C1-C25alkanoyloxy, C1-C25alkanoylamino, C3-C25alkenoyloxy, C3-C25alkanoyloxy interrupted by one to three —O—, —S—, —NH— or —N(C1-C8alkyl)-, wherein C1-C25alkyl, C2-C25alkenyl, C2-C25alkynyl, C7-C9phenylalkyl, phenyl, C5-C5cycloalkyl, C1-C15alkoxy, C1-C5alkylamine, di(C1-C8alkyl)amino, C1-C25alkanoyloxy, C1-C25alkanoylamino, C3-C25alkenoyloxy and interrupted C3-C25alkenoyloxy are unsubstituted or substituted by one to three groups selected from halogen, hydroxy, thiol, amino, C1-C4alkylamino, di(C1-C4alkyl)amino and C1-C4alkyl.