公开(公告)号：US20200002255A1

公开(公告)日：2020-01-02

申请号：US16488962

申请日：2018-02-27

Applicant: BASF SE

Inventor： Andrei-Nicolae PARVULESCU ,  Miriam BRU ROIG ,  Albert WERNER ,  Bernhard BRUNNER ,  Wolfgang SIEGEL ,  Stephan MAURER ,  Ulrich MUELLER ,  Michael Ludwig LEJKOWSKI

IPC: C07C29/38 ,  B01J29/70 ,  B01J29/40 ,  B01J29/46

Abstract: The present invention relates to a process for preparing an unsaturated alcohol, preferably 3,7-dimethyl-2,6-octadienal, by contacting an alkene, preferably isobutene, with formaldehyde in the presence a condensation catalyst comprising a zeolitic material comprising the framework structure of which comprises a tetravalent element Y other than Si.

公开(公告)号：US20200317994A1

公开(公告)日：2020-10-08

申请号：US16311015

申请日：2017-06-14

Applicant: BASF SE

Inventor： Edward BOHRES ,  Radoslaw KIERAT ,  Stephan SCHUNK ,  Carlos LIZANDARA PUEYO ,  Sven TITLBACH ,  Robert MUELLER ,  Michael Ludwig LEJKOWSKI

IPC: C09K8/68 ,  C09K8/80 ,  C09K8/70 ,  E21B43/26

Abstract: Method of fracturing a subterranean formation by injecting an aqueous fracturing fluid comprising an aqueous base fluid, a polysaccharide and/or polysaccharide derivative, a crosslinker, which is a water-soluble, layered silicate and a proppant. Aqueous fracturing fluid comprising an aqueous base fluid, a polysaccharide and/or polysaccharide derivative, a crosslinker, which is a water-soluble, layered silicate and a proppant and to the use of water-soluble, layered silicates as crosslinker for aqueous fracturing fluids comprising polysaccharides and/or polysaccharide derivatives