公开(公告)号：MY138082A

公开(公告)日：2009-04-30

申请号：MYPI20034951

申请日：2003-12-22

Applicant: BASF AG

Inventor： SCHLITTER STEPHAN DR ,  HAUBNER MARTIN DR ,  ZEHNER PETER DR ,  HESSE MICHAEL DR ,  WECK ALEXANDER ,  PINKOS ROLF DR ,  XDFLER THOMAS GRA DR

IPC: C08G65/26

Abstract: THE PRESENT INVENTION RELATES TO A PROCESS FOR PREPARING POLYTETRAHYDROFURAN, POLYTETRAHYDROFURAN COPOLYMER, DIESTER OR MONOESTER BY POLYMERIZING TETRAHYDROFURAN IN THE PRESENCE OF AT LEAST ONE TELOGEN AND/OR COMONOMER AND OF AN ACIDIC HETEROGENEOUS CATALYST BASED ON ACTIVATED SHEET OR MIXED METAL OXIDES IN A FLUIDIZED BED.

公开(公告)号：MY138639A

公开(公告)日：2009-07-31

申请号：MYPI20034640

申请日：2003-12-04

Applicant: BASF AG

Inventor： HAUBNER MARTIN DR ,  PINKOS ROLF DR

IPC: C08G65/28 ,  C08G65/20 ,  C08G65/26

Abstract: THE PRESENT INVENTION PROVIDES A PROCESS FOR PREPARING POLYOXYALKYLENE GLYCOLS OF A CERTAIN MOLECULAR WEIGHT IN ONE STAGE BY COPOLYMERIZING TETRAHYDROFURAN AND ALPHA,OMEGA-DIOLS AS THE COMONOMER IN THE PRESENCE OF A HETEROPOLYACID AND OF A HYDROCARBON, BY DISTILLING OFF A MIXTURE OF WATER AND THIS HYDROCARBON FROM THE COPOLYMERIZATION, WHICH COMPRISES TERMINATING THE POLYMERIZATION WHEN THIS MOLECULAR WEIGHT IS ATTAINED BY ADDING WATER, COMONOMER, BUTANEDIOL OR BUTANEDIOL-WATER MIXTURES.

公开(公告)号：MY135604A

公开(公告)日：2008-05-30

申请号：MYPI20032973

申请日：2003-08-06

Applicant: BASF AG

Inventor： HAUBNER MARTIN DR ,  PINKOS ROLF DR ,  WECK ALEXANDER

IPC: C07C43/11 ,  C08G65/28 ,  C08G65/20

Abstract: THE PRESENT INVENTION PROVIDES A PROCESS FOR ONE-STAGE PREPARATION OF POLYOXYALKYLENE GLYCOLS BY COPOLYMERIZING TETRAHYDROFURAN AND ALPHA, OMEGA-DIOLS IN THE PRESENCE OF A HETEROPOLYACID AND OF A HYDROCARBON, WHICH COMPRISES DISTILLING WATER IN A MIXTURE WITH THIS HYDROCARBON OUT OF THE COPOLYMERIZATION.

公开(公告)号：MY127550A

公开(公告)日：2006-12-29

申请号：MYPI20022822

申请日：2002-07-26

Applicant: BASF AG

Inventor： STEINBRENNER ULRICH DR ,  HAUBNER MARTIN DR ,  GERSTLAUER ACHIM DR ,  DOMSCHKE THOMAS DR ,  SIGWART CHRISTOPH DR ,  KAESHAMMER STEFAN C

IPC: C08G65/20 ,  C08G65/26

Abstract: IN A PROCESS FOR THE SINGLE-STAGE PREPARATION OF POLYTETRAHYDROFURAN AND/OR TETRAHYDROFURAN COPOLYMERS HAVING A MEAN MOLECULAR WEIGHT OF FROM 650 TO 5000 DALTON BY POLYMERIZATION OF TETRAHYDROFURAN OVER AN ACID CATALYST IN THE PRESENCE OF AT LEAST ONE TELOGEN AND/OR COMONOMER, THE TELOGEN AND/OR COMONOMER IS ADDED AT LEAST TWO ADDITION POINTS IN DIFFERENT SEGMENTS OF THE POLYMERIZATION APPARATUS.

公开(公告)号：MY139814A

公开(公告)日：2009-10-30

申请号：MYPI20042578

申请日：2004-06-29

Applicant: BASF AG

Inventor： MENGER VOLKMAR DR ,  SCHWARZTRAUBER MICHAEL ,  HAUBNER MARTIN DR ,  PFAFF KLAUS-PETER DR

IPC: C07D307/08 ,  C08G65/20 ,  C08G65/30 ,  C08G65/331

Abstract: A PROCESS FOR OBTAINING OLIGOMERS OF POLYTETRAHYDROFURAN OR OF TETRAHYDROFURAN COPOLYMERS FROM A MEHTANOLIC CRUDE PRODUCT WHICH CONTAINS POLYTETRAHYDROFURAN OR TETRAHYDROFURAN OR TETRAHYDROFURAN COPOLYMERS AND IS ONTAINED IN THE TRANSESTERIFICATION OF THE MONO- AND/OR DIESTERS OF POLYTETRAHYDROFURAN OR TETRAHYDROFURAN COPOLYMERS WITH METHANOL, WHICH COMPRISES A)REMOVING THE MAJORITY OF THE METHANOL FROM THE CRUDE PRODUCT IN A FIRST DISTILLATION STAGE,B)SEPARATING THE RESULTING BOTTOM PRODUCT BY DISTILLATION INTO A TOP FRACTION COMPRISING THE OLIGOMERS OF POLYTETRAHYDROFURAN OR OF TETRAHYDROFURAN COPOLYMERS, AND POLYTETRAHYDROFURAN COPOLYMER,C)CONDENSING THE OLIGOMERS OF POLYTETRAHYDROFURAN OR OF TETRAHYDROFURAN COPOLYMERS OUT OF THE TOP FRACTION FROM STAGE B).

公开(公告)号：MY137273A

公开(公告)日：2009-01-30

申请号：MYPI20041192

申请日：2004-03-31

Applicant: BASF AG

Inventor： HAUBNER MARTIN DR ,  PINKOS ROLF DR

IPC: C08G65/20 ,  C08G65/26

Abstract: THE PRESENT INVENTION RELATES TO A PROCESS FOR THE SINGLE-STAGE PREPARATION OF POLYOXYALKYLENE GLYCOLS BY COPOLYMERIZATION OF THF AND ALPHA, OMEGA-DIOLS IN THE PRESENCE OF A HETEROPOLYACID, WHEREIN THE CONTENT OF ORGANICALLY BOUND NITROGEN IN THE ALPHA, OMEGA-DIOL IS LESS THAN 15 PPM.

公开(公告)号：MY136768A

公开(公告)日：2008-11-28

申请号：MYPI20033358

申请日：2003-09-05

Applicant: BASF AG

Inventor： PINKOS ROLF DR ,  GERSTLAUER ACHIM DR ,  HAUBNER MARTIN DR ,  SCHLITTER STEPHAN DR ,  KAESHAMMER STEFAN DR ,  PFAFF KLAUS-PETER DR

IPC: C08G65/20

Abstract: THE PRESENT INVENTION PROVIDES A PROCESS FOR PREPARING MONO- OR DIESTERS OF POLYTETRAHYDROFURAN OR OF TETRAHYDROFFURAN COPOLYMERS BY POLYMERIZING TETRAHYDROFURAN IN THE PRESENCE OF AT LEAST ONE TELOGEN AND /OR OF A COMONOMER OVER AN ACIDIC CATALYST, WHEREIN THE POLYMERIZATION REACTOR IS STARTED UP USING A MIXTURE OF POLYTETRAHYDROFURAN ,THE MONO- OR DIESTERS OF POLYTETRAHYDROFURAN AND/OR OF THE THF COPOLYMERS, TETRAHYDROFURAN , ANY COMONOMER AND AT LEAST ONE CARBOXYLIC ACID AND /OR ONE CARBOXYLIC ANHYDRIDE.

公开(公告)号：MY136380A

公开(公告)日：2008-09-30

申请号：MYPI20032872

申请日：2003-07-30

Applicant: BASF AG

Inventor： PINKOS ROLF DR ,  KAESHAMMER STEFAN DR ,  MENGER VOLKMAR DR ,  HAUBNER MARTIN DR ,  GROLL PETER DR ,  SCHLITTER STEPHAN DR ,  PFAFF KLAUS-PETER DR

IPC: C07D307/08 ,  C08G65/20 ,  C08G65/26

Abstract: THE INVENTION RELATES TO A PROCESS FRO THE CONTINUOUS PREPARATION OF THF BY REACTION OF A 1, 4-BUTANEDIOL-CONTAINING REACTION MIXTURE OVER A HETEROPOLYACID CATALYST WHICH HAS NOT BEEN PREDRIED, WHEREIN THE REACTION MIXTURE COMPRISES 2-(4-HYDROXYBUTOXY) TETRAHYDROFURAN.