公开(公告)号：AT476454T

公开(公告)日：2010-08-15

申请号：AT05805896

申请日：2005-11-04

Applicant: BASF SE

Inventor： BECK MARTIN ,  CHAMP SAMANTHA ,  TOENNESSEN MARKUS ,  ZIEMER ANTJE ,  LOESCH DENNIS

IPC: C08F220/00 ,  A62D1/00 ,  C05G3/80

Abstract: The invention concerns water-absorbing polymers for producing fire-retarding compositions, comprising at least one interpolymerized ethylenically unsaturated monomer bearing acid groups, wherein from 51 to 64 mol % of the acid groups are present as carboxylate groups and some or all of the carboxylate groups have potassium ions as counterions, processes for producing the water-absorbing polymers and also the production of fire-retarding compositions and coatings.

公开(公告)号：ZA200901111B

公开(公告)日：2010-04-28

申请号：ZA200901111

申请日：2009-02-17

Applicant: BASF SE

Inventor： WEISMANTEL MATTHIAS ,  HEIDE WILFRIED ,  KRUEGER MARCO ,  SEIDL VOLKER ,  LOESCH DENNIS ,  FUNK RUEDIGER ,  STUEVEN UWE ,  BLEI STEFAN ,  HILLEBRECHT ANNEMARIE

IPC: A61L20100101 ,  C08F20100101 ,  C08J20100101

Abstract: A process for preparing postcrosslinked water-absorbing polymer beads with high absorption by polymerizing droplets of a monomer solution in a gas phase surrounding the droplets, wherein the solids content of the monomer solution is at least 35% by weight and the polymer beads have a mean diameter of at least 150 μm.

公开(公告)号：AT446321T

公开(公告)日：2009-11-15

申请号：AT05771174

申请日：2005-08-09

Applicant: BASF SE

Inventor： LOESCH DENNIS ,  WEIDL CHRISTIAN ,  SEIDL VOLKER ,  MORITZ HANS-ULRICH

IPC: C08F2/48 ,  B01J2/00 ,  C08F2/10 ,  C08F220/06 ,  C08F220/20

Abstract: Process for producing polymers by spray polymerization wherein the aqueous monomer solution comprises from 0.01% to 0.2% by weight, based on the monomer, of at least one crosslinker, the use of the polymers for thickening liquids and also apparatus for producing polymers by spray polymerization.

公开(公告)号：DE502006003036D1

公开(公告)日：2009-04-16

申请号：DE502006003036

申请日：2006-10-27

Applicant: BASF SE

Inventor： LOESCH DENNIS ,  SEIDL VOLKER ,  RUEBENACKER MARTIN

IPC: C08F2/10

Abstract: A process for producing a polymer powder comprising vinylformamide units by free radical polymerization of an aqueous solution of N-vinylformamide and if appropriate other monomers and drying the polymer which comprises an aqueous monomer solution comprising N-vinylformamide and at least one polymerization initiator being spray dispensed as an aerosol or dropletized at the top of a heatable tower-shaped reactor, then polymerizing the aerosol or droplets in an inert gas atmosphere to form a finely divided solid and discharging the finely divided polymer from the reactor.

公开(公告)号：AU2019359988B2

公开(公告)日：2024-12-12

申请号：AU2019359988

申请日：2019-10-17

Applicant: BASF SE

Inventor： EL-TOUFAILI FAISSAL-ALI ,  LOESCH DENNIS ,  SCHMIDT ANNA-CORINA ,  ZIMMERMANN TOBIAS JOACHIM ,  OSTERMAYR MARKUS ,  TINSLEY JACK F ,  BUSBY BRENT

IPC: C08F20/56 ,  C08F2/01 ,  C08F220/56 ,  C12P13/02 ,  E21B7/00

Abstract: Process for producing aqueous polyacrylamide concentrates by polymerizing an aqueous solution comprising at least acrylamide thereby obtaining an aqueous polyacrylamide gel, comminuting said aqueous polyacrylamide gel and mixing it with an aqueous liquid, wherein the manufacturing steps areallocated to two different locations A and B and the process comprises the step of transporting an aqueous polyacrylamide concentrate hold in a suitable transport unit from a location A to a location B. Modular, relocatable plant for manufacturing aqueous polyacrylamide, wherein the units of the plant are located at two different locations A and B.

公开(公告)号：PL3448552T3

公开(公告)日：2022-12-27

申请号：PL17719545

申请日：2017-04-20

Applicant: BASF SE

Inventor： JECK SANDRA ,  SOETJE OLIVER ,  BRINGMANN TOBIAS ,  FONSECA ZEPEDA GABRIELA EUGENIA ,  MECKELNBURG DIRK ,  LOESCH DENNIS ,  LANGLOTZ BJOERN ,  BARRATT JOHN ,  EL-TOUFAILI FAISSAL-ALI ,  SCHUBE BERND ,  OSTERMAYR MARKUS ,  SPRAFKE HAZEL

IPC: B01F23/50 ,  B01F23/53 ,  B01F25/00 ,  B01F25/23 ,  B01F25/27 ,  B01F25/313 ,  B01F25/314 ,  B01F25/72 ,  B01F27/27

公开(公告)号：CL2020001103A1

公开(公告)日：2020-08-28

申请号：CL2020001103

申请日：2020-04-24

Applicant: BASF SE

Inventor： EL-TOUFAILI FAISSAL-ALI ,  LOESCH DENNIS ,  MECKELNBURG DIRK ,  OSTERMAYR MARKUS ,  SPRAFKE HAZEL ,  ZIMMERMANN TOBIAS JOACHIM

IPC: C08F2/01 ,  C08F20/56 ,  C08F220/56 ,  C12P13/02 ,  E21B7/00

Abstract: UN PROCESO PARA PRODUCIR SOLUCIONES ACUOSAS DE POLIACRILAMIDA MEDIANTE POLIMERIZACIÓN DE UNA SOLUCIÓN ACUOSA, QUE COMPRENDE AL MENOS ACRILAMIDA PARA OBTENER UN GEL ACUOSO DE POLIACRILAMIDA, Y MEDIANTE DISOLUCIÓN DE DICHO GEL ACUOSO DE POLIACRILAMIDA EN AGUA, EN DONDE EL PROCESO SE LLEVA A CABO EN UNA PLANTA MODULAR Y REUBICABLE. PREFERENTEMENTE, LA PLANTA SE INSTALA EN UNA UBICACIÓN EN DONDE SE USAN SOLUCIONES ACUOSAS DE POLIACRILAMIDA, POR EJEMPLO, EN UN CAMPO DE PETRÓLEO O EN UN ÁREA MINERA.

公开(公告)号：CO2020005037A2

公开(公告)日：2020-05-05

申请号：CO2020005037

申请日：2020-04-23

Applicant: BASF SE

Inventor： EL-TOUFAILI FAISSAL-ALI ,  LOESCH DENNIS ,  MECKELNBURG DIRK ,  OSTERMAYR MARKUS ,  SPRAFKE HAZEL ,  ZIMMERMANN TOBIAS JOACHIM

IPC: C08F20/56 ,  C08F2/01 ,  C08F220/56 ,  C12P13/02 ,  E21B7/00

Abstract: RESUMEN Un proceso para producir soluciones acuosas de poliacrilamida mediante polimerización de una solución acuosa, que comprende al menos acrilamida para obtener un gel acuoso de poliacrilamida, y mediante disolución de dicho gel acuoso de poliacrilamida en agua, en donde el proceso se lleva a cabo en una planta modular y reubicable. Preferentemente, la planta se instala en una ubicación en donde se usan soluciones acuosas de poliacrilamida, por ejemplo, en un campo de petróleo o en un área minera.

公开(公告)号：CA3076548A1

公开(公告)日：2019-05-02

申请号：CA3076548

申请日：2018-10-18

Applicant: BASF SE

Inventor： LOESCH DENNIS ,  ZIMMERMANN TOBIAS JOACHIM ,  SPRAFKE HAZEL ,  MECKELNBURG DIRK ,  OSTERMAYR MARKUS ,  EL-TOUFAILI FAISSAL-ALI

IPC: C08F20/56 ,  C08F2/01 ,  C12P13/02 ,  E21B7/00

Abstract: Process for producing aqueous polyacrylamide solutions by polymerizing an aqueous solution comprising at least acrylamide thereby obtaining an aqueous polyacrylamide gel and dissolving said aqueous polyacrylamide gel in water, wherein the manufacturing steps are allocated to two different locations A and B and the process comprises the step of transporting an aqueous polyacrylamide gel hold in a transportable polymerization unit from a location A to a location B. Modular, relocatable plant for manufacturing aqueous polyacrylamide solutions wherein the units of the plant are located at two different locations A and B.

公开(公告)号：CA3076545A1

公开(公告)日：2019-05-02

申请号：CA3076545

申请日：2018-10-18

Applicant: BASF SE

Inventor： SPRAFKE HAZEL ,  OSTERMAYR MARKUS ,  ZIMMERMANN TOBIAS JOACHIM ,  MECKELNBURG DIRK ,  LOESCH DENNIS ,  EL-TOUFAILI FAISSAL-ALI

IPC: C08F20/56 ,  C08F2/01 ,  C08F220/56 ,  C12P13/02 ,  E21B7/00

Abstract: Process for producing aqueous polyacrylamide solutions by polymerizing an aqueous solution comprising at least acrylamide thereby obtaining an aqueous polyacrylamide gel and dissolving said aqueous polyacrylamide gel in water, wherein the process is carried out in a modular, relocatable plant. The plant preferably is deployed at a location at which aqueous polyacrylamide solutions are used, for example on an oilfield or in a mining area.