公开(公告)号：US20220023849A1

公开(公告)日：2022-01-27

申请号：US17309443

申请日：2019-12-06

Applicant: BASF SE ,  BASF CORPORATION

Inventor： Maximilian HEMGESBERG ,  Meik RANFT ,  Edith SCHNEIDER ,  Marko BUCHHOLZ ,  Maik SCHLESINGER ,  Denis SCHWALL ,  Yi LIU

IPC: B01J29/76 ,  B01J35/02 ,  B01J37/04 ,  B01J37/02 ,  F01N3/20 ,  F01N3/28 ,  B01D53/94

Abstract: An aqueous suspension comprising water, a zeolitic material and one or more of copper and iron, and a chelate complex comprising a zirconium ion and a bidentate organic ligand bonded to said zirconium ion via zirconium oxygen bonds from two oxygen atoms comprised in said ligand, said chelate complex being dissolved in the water.

公开(公告)号：US20180044197A1

公开(公告)日：2018-02-15

申请号：US15554742

申请日：2016-02-24

Applicant: BASF SE

Inventor： Maximilian HEMGESBERG ,  Denis SCHWALL ,  Thorsten Martin STAUDT ,  Isabel van DRIESSCHE ,  Katrien DE KEUKELEERE ,  Jonathan DE ROO ,  Till GRUENDLING ,  Matthias MAIER ,  Michael BAECKER ,  Jan BENNEWITZ ,  Ron FEENSTRA ,  Hannes RIJCKAERT ,  Hens ZEGER

IPC: C01G1/02 ,  C01G27/02 ,  H01L39/24 ,  C09C3/08 ,  C09D11/033 ,  C09D11/38 ,  C01G25/02 ,  C01G35/00

CPC classification number: C01G1/02 ,  C01G23/047 ,  C01G25/02 ,  C01G27/02 ,  C01G35/00 ,  C01P2002/60 ,  C01P2002/72 ,  C01P2002/74 ,  C01P2004/52 ,  C01P2004/64 ,  C09C1/00 ,  C09C1/3669 ,  C09C3/08 ,  C09D5/24 ,  C09D11/033 ,  C09D11/38 ,  H01L39/2425 ,  H01L39/2483

Abstract: The present invention is in the field of nanoparticles, their preparation and their use as pinning centers in superconductors. In particular the present invention relates to nanoparticles comprising an oxide of Sr, Ba, Y, La, Ti, Zr, Hf, Nb, or Ta, wherein the nanoparticles have a weight average diameter of 1 to 30 nm and wherein an organic compound of general formula (I), (II) or (III) or an organic compound containing at least two carboxylic acid groups on the surface of the nanoparticles (I) (II) (III) wherein a is 0 to 5, b and c are independent of each other 1 to 14, n is 1 to 5, f is 0 to 5, p and q are independent of each other 1 to 14, and e and f are independent of each other 0 to 12.