公开(公告)号：US20190337970A1

公开(公告)日：2019-11-07

申请号：US16475167

申请日：2018-01-09

申请人： BASF SE ,  Ghent University

发明人： Maximilian HEMGESBERG ,  Carlos LIZANDARA ,  Jan BENNEWITZ ,  Armin MEYER ,  Stephan A. SCHUNK ,  Timo EMMERT ,  Isabel van DRIESSCHE ,  Katrien DE KEUKELEERE ,  Hannes RIJCKAERT ,  Glen POLLEFEYT ,  Jonathan DE ROO

IPC分类号： C07F7/28 ,  C09D11/52 ,  C09D11/38 ,  C09D11/322 ,  C09D11/037

摘要： The present invention is in the field of processes for the production of nanoparticles. It relates to a process for the preparation of nanoparticles comprising heating a water-free solution containing (a) a metal-organic compound containing an alkaline earth metal and a group 4 metal, and (b) a stabilizer to at least 150° C. for at least 30 minutes.

公开(公告)号：US20180044197A1

公开(公告)日：2018-02-15

申请号：US15554742

申请日：2016-02-24

申请人： BASF SE

发明人： 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分类号： C01G1/02 ,  C01G27/02 ,  H01L39/24 ,  C09C3/08 ,  C09D11/033 ,  C09D11/38 ,  C01G25/02 ,  C01G35/00

CPC分类号： 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

摘要： 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.

公开(公告)号：US20180044199A1

公开(公告)日：2018-02-15

申请号：US15554756

申请日：2016-01-26

申请人： BASF SE

发明人： Isabel van DRIESSCHE ,  Katrien DE KEUKELEERE ,  Jonathan DE ROO ,  Hens ZEGER

IPC分类号： C01G35/00 ,  C30B7/14 ,  H01L39/24 ,  C30B29/30

CPC分类号： C01G35/00 ,  C01P2002/60 ,  C01P2002/72 ,  C01P2004/04 ,  C01P2004/51 ,  C01P2004/64 ,  C30B7/14 ,  C30B29/30 ,  H01L39/2483

摘要： The present invention is in the field of processes for the production of tantalum oxide particles. In particular the present invention relates to a process for producing crystalline tantalum oxide nanoparticles comprising heating a water-free solution containing (a) a tantalum alkoxide, (b) an acid, and (c) a solvent.