公开(公告)号：DE10360397A1

公开(公告)日：2005-07-14

申请号：DE10360397

申请日：2003-12-19

Applicant: BASF AG

Inventor： MAASE MATTHIAS ,  HUTTENLOCH OLIVER

IPC: C07B63/04 ,  C07F9/02 ,  C07F9/48 ,  C07B63/00 ,  C07D233/54

Abstract: Method of separating acids from reaction mixtures by means of an auxiliary base, where the auxiliary base b) reacts with the acid to form a salt which is liquid at temperatures at which the desired product is not significantly decomposed while the liquid salt is being separated off and c) the salt of the auxiliary base forms two immiscible liquid phases with the desired product or the solution of the desired product in a suitable solvent, in which the auxiliary base used is an alkylmidazole, which has a solubility in 30% strength by weight sodium chloride solution at 25° C. of 10% by weight or less and whose hydrochloride has a melting point below 55° C.

公开(公告)号：DE10333239A1

公开(公告)日：2005-03-10

申请号：DE10333239

申请日：2003-07-21

Applicant: BASF AG

Inventor： MAASE MATTHIAS ,  MASSONNE KLEMENS

IPC: C07D233/54 ,  C07D521/00

Abstract: Process for preparing purified 1,3-substituted imidazolium salts of the formula (I) by reacting a 1,3-substituted imidazolium salt of the formula (II), with a strong base at from 20 to 250° C. while distilling off the 1,3-substituted imidazol-2-ylidene formed, in which the 1,3-substituted imidazol-2-ylidene which has been distilled off is brought into contact in the gaseous state with the protic acid HaA (III) and/or the 1,3-substituted imidazol-2-ylidene which has been distilled off is passed in the gaseous or condensed state into a receiver comprising the protic acid HaA (III).

公开(公告)号：DE10315671A1

公开(公告)日：2004-10-14

申请号：DE10315671

申请日：2003-04-04

Applicant: BASF AG

Inventor： BERTLEIN GERHARD ,  SCHALL KARL HEINZ ,  MAASE MATTHIAS ,  HEILEK JOERG ,  BAUMANN DIETER ,  ASCHERL HERMANN

IPC: C07F9/53

Abstract: The present invention relates to a process for the preparation of solid acylphosphine oxides by converting an acylphosphine oxide which is in the form of a melt or in dispersed form into the solid state of aggregation with mechanical stress, shearing/internal agitation of the melt.

公开(公告)号：DE10248902A1

公开(公告)日：2004-04-29

申请号：DE10248902

申请日：2002-10-18

Applicant: BASF AG

Inventor： MAASE MATTHIAS ,  MASSONNE KLEMENS ,  HALBRITTER KLAUS ,  NOE RALF ,  STEGMANN VEIT ,  HUTTENLOCH OLIVER ,  BECKER MICHAEL ,  FLORES MIGUEL ANGEL ,  SIEGEL WOLFGANG ,  BARTSCH MICHAEL

IPC: C07B63/00 ,  C07C45/50 ,  C07F9/142 ,  C07F9/145 ,  C07F9/46 ,  C07F9/48 ,  C07F9/52 ,  C07F9/572 ,  C07F9/6503 ,  C07F9/6574 ,  C07F9/6584 ,  B01D17/00

Abstract: A process for the separation of acids from reaction mixtures by means of an auxiliary base (I) is characterized by (a) the base (I) forming a salt with the acid that is liquid at temperatures that do not lead to significant decomposition of the product during separation of the liquid salt (b) the salt of the base (I) forming two non-miscible phases with the product or solution of the product in a suitable solvent.

公开(公告)号：CA2604557C

公开(公告)日：2016-06-21

申请号：CA2604557

申请日：2006-04-07

Applicant: BASF AG

Inventor： MAASE MATTHIAS ,  STEGMANN VEIT

IPC: C08L1/02 ,  C08J3/02 ,  D01F2/02 ,  D21C5/02

Abstract: The invention relates to a solution containing cellulose and an ionic liquid containing anions and cations as a solvent, the cations being provided with at least one atom selected among the group comprising nitrogen, oxygen, sulfur, and phosphorus supplied in a protonated form. Also disclosed are methods for the production and use thereof for a physical and chemical treatment.

公开(公告)号：EA016748B1

公开(公告)日：2012-07-30

申请号：EA200701783

申请日：2006-04-07

Applicant: BASF AG

Inventor： MAASE MATTHIAS ,  STEGMANN VEIT

IPC: C08B1/00 ,  C08L1/02

Abstract: Предлагаемоеизобретениекасаетсяраствора, содержащегоцеллюлозуи ионнуюжидкостьс анионамии катионамив качестверастворителя, приэтомионнаяжидкостьсодержитпокрайнеймереодинкатионизгруппы, состоящейизкатионовформулы (IVe)атакжеолигомеров, которыесодержаттакуюструктуру, причемостаток R означаетводород, Rозначает C-C-алкил, R-Rозначаютводород, причемионнаяжидкостьсодержитпокрайнеймереодингалогенидв качествеаниона. Крометого, предлагаемоеизобретениекасаетсяспособаполученияэтогораствораи егоприменениядляфизическойилихимическойобработкицеллюлозы.

公开(公告)号：AU2006234319B2

公开(公告)日：2011-09-08

申请号：AU2006234319

申请日：2006-04-12

Applicant: BASF AG

Inventor： MAASE MATTHIAS ,  STEGMANN VEIT

IPC: C08B1/00 ,  C08J3/09

Abstract: The invention relates to a solution comprising cellulose, an ionic liquid containing anions and cations as solvent and 6 to 30 wt. % of a nitrogenous base, based on the total weight of the solution, the production thereof and the use thereof for the physical or chemical treatment of cellulose.

公开(公告)号：NZ560914A

公开(公告)日：2011-02-25

申请号：NZ56091406

申请日：2006-04-07

Applicant: BASF AG

Inventor： MAASE MATTHIAS ,  STEGMANN VEIT

IPC: C08B1/00 ,  C07D233/58 ,  C08L1/02

Abstract: Disclosed is a solution comprising cellulose and an ionic liquid comprising anions and cations as solvent, wherein the cations comprise at least one atom selected from the group consisting of nitrogen, oxygen, sulfur and phosphorus which is present in protonated form, and wherein the ionic liquid comprises at least one imidazolium cation of formula (IVe) and oligomers comprising this structure, where the radical R is hydrogen; and the radicals R1 to R4 are each, independently of one another, hydrogen, or unbranched or branched C1-C18 alkyl which is unsubstituted.

公开(公告)号：CA2690295A1

公开(公告)日：2008-12-18

申请号：CA2690295

申请日：2008-06-06

Applicant: BASF AG

Inventor： DEGEN GEORG ,  MAASE MATTHIAS ,  WITTENBECHER LARS ,  DOERING MANFRED ,  ARNOLD ULRICH

IPC: C08G59/00 ,  C08G59/68 ,  C08L63/00

Abstract: The invention relates to the use of 1, 3 substituted imidazolium salts of the formula (I), R1 and R3 independently representing an organic group having 1 to 20 C atoms, R2, R4, and R5 independently representing a H atom or an organic group having 1 to 20 C atoms, R4 and R5 also together being able to form an aliphatic or aromatic ring, X representing an anion having a pK B value of less than 13 (measured at 25°C, 1 bar in water or dimethylsulfoxide), and n representing 1, 2 or 3, where 1-ethyl-2,3-dimethylimidazolium acetate and 1-ethyl-2,3-dimethylimidazoliumacetate-acetic acid complex are excluded as the imidazolium salt, as a latent catalyst for curing compositions comprising epoxy compounds.

公开(公告)号：DE102006035830A1

公开(公告)日：2008-02-07

申请号：DE102006035830

申请日：2006-08-01

Applicant: BASF AG

Inventor： STEGMANN VEIT ,  MASSONNE KLEMENS ,  MAASE MATTHIAS ,  UERDINGEN ERIC ,  LUTZ MICHAEL ,  HERMANUTZ FRANK ,  GAEHR FRANK

IPC: C07D233/58 ,  C08B1/00 ,  D01D5/00 ,  D01F2/08

Abstract: Solvent system based on molten ionic liquid for biopolymers in the form of carbohydrates, comprises optionally additives and a protic solvent or its mixture, and if the protic solvent is water alone, then this is present in the solvent system in an amount of more than about 5 wt.%. Independent claims are included for: (1) a method for the production of a solvent system comprising mixing the carbohydrates with the molten ionic liquid and the protic solvent and/or its mixture, until the carbohydrates are dissolved; (2) a method for the production of regenerated carbohydrates, preferably starch, cellulose and their derivatives using the solvent system, where the solvent system is precipitated, preferably wet spun in a coagulation medium, and contains a solvent, which does not dissolve the carbohydrates and is mixable with the molten ionic liquid; (3) a regenerated carbohydrates, preferably in the form of regenerated cellulose fibers obtained by the above method; and (4) spinnable fibers based on regenerated cellulose with a wet fibrillation grade of /~2.