公开(公告)号：SG10201705892RA

公开(公告)日：2017-08-30

申请号：SG10201705892R

申请日：2014-02-05

Applicant: BASF SE

Inventor： PARVULESCU ANDREI-NICOLAE ,  MÜLLER ULRICH ,  LÜTZEL HANS-JÜRGEN ,  UHL GEORG ,  BAYER ROBERT ,  VOGELSANG REGINA ,  TELES JOAQUIM HENRIQUE ,  RIEDEL DOMINIC ,  URBANCZYK DANIEL ,  WEGERLE ULRIKE

Abstract: A process for the preparation of a titanium-containing zeolitic material having an MWW framework structure, the process comprising (i) providing a zeolitic material having an MWW framework structure comprising SiO2 and B2O3, (ii) incorporating titanium into the zeolitic material provided in (i) comprising (ii.I) preparing an aqueous synthesis mixture containing the zeolitic material provided in (i), an MWW template compound and a titanium source, (ii.2) hydrothermally synthesizing a titanium-containing zeolitic material having an MWW framework structure from the aqueous synthesis mixture prepared in (ii.1), obtaining a mother liquor comprising the titanium-containing zeolitic material having an MWW framework structure; (iii) spray-drying the mother liquor obtained from (ii.2) comprising the titanium-containing zeolitic material having an MWW framework structure.

公开(公告)号：SG11201506135WA

公开(公告)日：2015-11-27

申请号：SG11201506135W

申请日：2014-02-05

Applicant: BASF SE

Inventor： PARVULESCU ANDREI-NICOLAE ,  MÜLLER ULRICH ,  LÜTZEL HANS-JÜRGEN ,  UHL GEORG ,  BAYER ROBERT ,  VOGELSANG REGINA ,  TELES JOAQUIM HENRIQUE ,  RIEDEL DOMINIC ,  URBANCZYK DANIEL ,  WEGERLE ULRIKE

IPC: C01B37/00 ,  B01J29/89

Abstract: A process for the preparation of a titanium-containing zeolitic material having an MWW framework structure, the process comprising (i) providing a zeolitic material having an MWW framework structure comprising SiO2 and B2O3, (ii) incorporating titanium into the zeolitic material provided in (i) comprising (ii.I) preparing an aqueous synthesis mixture containing the zeolitic material provided in (i), an MWW template compound and a titanium source, (ii.2) hydrothermally synthesizing a titanium-containing zeolitic material having an MWW framework structure from the aqueous synthesis mixture prepared in (ii.1), obtaining a mother liquor comprising the titanium-containing zeolitic material having an MWW framework structure; (iii) spray-drying the mother liquor obtained from (ii.2) comprising the titanium-containing zeolitic material having an MWW framework structure.

公开(公告)号：ES2416058T3

公开(公告)日：2013-07-30

申请号：ES08856062

申请日：2008-11-26

Applicant: BASF SE

Inventor： STAFFEL WOLFGANG ,  KAESHAMMER STEFAN ,  KESSINGER ROLAND ,  VOGELSANG REGINA ,  PAUL AXEL ,  TUTTELBERG LEMBIT

IPC: C07D207/267

Abstract: Procedimiento para la obtención de N-vinilpirrolidona mediante reacción de 2-pirrolidona con acetileno,caracterizado porque la 2-pirrolidona empleada como substancia de partida (a continuación llamada 2-pirrolidona departida) contiene menos de 1 parte en peso de γ-butirolactona sobre 100 partes en peso de 2-pirrolidona.