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公开(公告)号：ES2057347T3
公开(公告)日：1994-10-16
申请号：ES90124486
申请日：1990-12-18
Applicant: BASF AG
Inventor： KSOLL PETER DR , HAHN ERWIN DR , WITTMER PETER , HOHMANN ANDREAS DR , DE CLERQ ARNOLD DR , RIEBELING ULRICH
IPC: B01J13/00 , C07C45/90 , C07C49/88 , C07D305/12 , C09K23/00 , C07D315/00 , D21H17/06 , D21H17/07 , D21H17/17 , D21H17/46 , D21H21/14
Abstract: Stabilised aqueous C14- to C22-alkyldiketene emulsions containing, as essential components, (a) 10 to 60 % by weight of at least one C14- to C22-alkyldiketene, (b) 1 to 10 % by weight of at least one protective colloid and (c) 0.1 to 20 % by weight of at least one ester of the formula in which R , R are C14- to C22-alkyl, in which case R and R must differ in the alkyl group by at least 4 C atoms, and/or denote identical or different C14- to C22-alkenyl groups, an ester of the formula R -O-CO-O-R (II), in which R and R are alkyl or alkenyl radicals having 2 to 22 C atoms or a urethane of the formula in which R , R and R are identical or different alkyl or alkenyl radicals having 2 to 22 C atoms, and the use of the compounds of the formula I to III as stabiliser for the preparation of alkyldiketene emulsions containing at least 10, preferably 16 to 40 % by weight of alkyldiketene in emulsified form.
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公开(公告)号：DE3874622D1
公开(公告)日：1992-10-22
申请号：DE3874622
申请日：1988-06-08
Applicant: BASF AG
Inventor： FREUDENBERG ENRIQUE DR , WITTMER PETER , HOHMANN ANDREAS DR , BECHTOLSHEIMER HANS-HEINRICH D
Abstract: Prodn. of carboxylic acid halides of formula RCOX (I), where R= an organic gp. contg. more than 7 C atoms and X=Cl or Br, is effected by (a) reacting RCOOH with a P halide, (b) treating the reaction mixt. with a carboxamide hydrochloride or hydrobromide (II)which is immiscible with (I), and (c) sepg. the (I)-contg. phase. Pref. step (a) is effected by reacting a 9-29C fatty acid with PCl3. Step (b) is effected by adding an amide (esp. DMF) to the reaction mixt. and then introducing HCl.
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公开(公告)号：DE3867451D1
公开(公告)日：1992-02-13
申请号：DE3867451
申请日：1988-12-03
Applicant: BASF AG
Inventor： HOHMANN ANDREAS DR , REUTHER WOLFGANG DR , FIKENTSCHER ROLF DR , PROLL THEO DR
IPC: C07D277/04 , C07C319/02 , C07C319/06 , C07C323/25 , C07C323/58 , C07D277/60
Abstract: Prodn. of cysteamine acid-addn. salts HS(CH2)2NH2.Hx (I) is effected by (a) reacting aziridine (II) and a ketone of formula R1COR2 (III) with a hydrosulphide of formula MHS (IV) at -10 to +100 deg.C with addn. or a medium to strong acid (V) to maintain a pH of at least 8.5; and (b) hydrolysing the thiazolidine intermediate of formula (VI) in the presence of an acid: In formula R1 and R2=1-6C alkyl, or R1+R2=4-6C alkylene; M=NH4 or metal; X is an acid anion.
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公开(公告)号：DE3719640A1
公开(公告)日：1988-12-29
申请号：DE3719640
申请日：1987-06-12
Applicant: BASF AG
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公开(公告)号：ES2066295T3
公开(公告)日：1995-03-01
申请号：ES91113983
申请日：1991-08-21
Applicant: BASF AG
Inventor： KSOLL PETER DR , REUTHER WOLFGANG DR , HOHMANN ANDREAS DR , WITTMER PETER
Abstract: Process for the preparation of carboxylic acid chlorides of the general formula I in which R represents C1- to C30-alkyl, C2- to C30-alkenyl and C2- to C30-alkynyl, from essentially equimolar amounts of a carboxylic acid of the general formula II in which R has the abovementioned meanings, and phosgene COCl2 (III), in the presence of a catalyst adduct of phosgene and N,N-disubstituted formamide or their hydrochlorides of the general formula IV in which R and R independently of one another denote C1- to C3-alkyl or R and R together denote a C4- or C5-alkylene chain which can optionally be interrupted by an oxygen atom or a nitrogen atom having a C1- to C3-alkyl group or CHO, and n is 0, 1 or 2, the reaction being carried out with a static phase of the catalyst adduct.
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Patent Agency Ranking
公开(公告)号：DK0437764T3
公开(公告)日：1993-08-30
申请号：DK90124486
申请日：1990-12-18
Applicant: BASF AG
Inventor： HOHMANN ANDREAS DR , KSOLL PETER DR , HAHN ERWIN DR , WITTMER PETER , DE CLERQ ARNOLD DR , RIEBELING ULRICH
IPC: B01J13/00 , C07C45/90 , C07C49/88 , C09K23/00 , C07D305/12 , C07D315/00 , D21H17/06 , D21H17/07 , D21H17/17 , D21H17/46 , D21H21/14
Abstract: Stabilised aqueous C14- to C22-alkyldiketene emulsions containing, as essential components, (a) 10 to 60 % by weight of at least one C14- to C22-alkyldiketene, (b) 1 to 10 % by weight of at least one protective colloid and (c) 0.1 to 20 % by weight of at least one ester of the formula in which R , R are C14- to C22-alkyl, in which case R and R must differ in the alkyl group by at least 4 C atoms, and/or denote identical or different C14- to C22-alkenyl groups, an ester of the formula R -O-CO-O-R (II), in which R and R are alkyl or alkenyl radicals having 2 to 22 C atoms or a urethane of the formula in which R , R and R are identical or different alkyl or alkenyl radicals having 2 to 22 C atoms, and the use of the compounds of the formula I to III as stabiliser for the preparation of alkyldiketene emulsions containing at least 10, preferably 16 to 40 % by weight of alkyldiketene in emulsified form.
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公开(公告)号：DE58902250D1
公开(公告)日：1992-10-15
申请号：DE58902250
申请日：1989-10-21
Applicant: BASF AG
Inventor： HOHMANN ANDREAS DR , FREUDENBERG ENRIQUE DR , REUTHER WOLFGANG DR , MAYER KURT DR
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公开(公告)号：DE3934191A1
公开(公告)日：1991-04-18
申请号：DE3934191
申请日：1989-10-13
Applicant: BASF AG
Inventor： HOHMANN ANDREAS DR , REUTHER WOLFGANG DR , BOCHNITSCHEK WERNER DR
IPC: C07C209/60 , C07C211/09 , C07C211/10 , C07C211/11
Abstract: Process for the preparation of N-alkyl- or N,N-dialkyl- 1,2-diaminoethanes of the general formula I … … in which R denotes hydrogen or methyl, R denotes C1- to C5-alkyl and R denotes hydrogen or C1- to C5-alkyl, with the proviso that the total of the carbon atoms of the radicals R and R denotes an integer between 1 and 6, by reaction of imines of the general formula II … … with amines of the general formula III … … in which R , R and R have the abovementioned meanings, where the reaction is carried out in the presence of carbon dioxide at temperatures from 10 to 150 DEG C and pressures from 0.5 to 50 bar.
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公开(公告)号：DE3742265A1
公开(公告)日：1989-06-22
申请号：DE3742265
申请日：1987-12-12
Applicant: BASF AG
Inventor： HOHMANN ANDREAS DR , REUTHER WOLFGANG DR , FIKENTSCHER ROLF DR , PROLL THEO DR
IPC: C07D277/04 , C07C319/02 , C07C319/06 , C07C323/25 , C07C323/58 , C07D277/60
Abstract: The cysteamine acid addition salts are prepared by reaction of aziridine with an organic sulphur compound of oxidation state -2 and with a ketone, followed by acid hydrolysis of the thiazolidine formed as intermediate, the aziridine and the ketone being reacted with ammonium hydrogen sulphide or a metal hydrogen sulphide with the addition of a medium to strong acid at a temperature of -10 to +100 DEG C and a pH of greater than or equal to 8.5 being maintained.
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公开(公告)号：DE59202075D1
公开(公告)日：1995-06-08
申请号：DE59202075
申请日：1992-08-07
Applicant: BASF AG
Inventor： WEGNER BRIGITTE DR , OPPENLAENDER KNUT DR , SCHUHMACHER RUDOLF DR , HOHMANN ANDREAS DR , DRALLE GABRIELE DR
Abstract: In anti-foams for the paper industry, based on oil-in-water emulsions, the oil phase makes up 5 to 50 % by weight of the bulk of the emulsion and contains (a) an alcohol having at least 12 carbon atoms, fatty acid esters of alcohols having at least 22 carbon atoms and C1- to C36-carboxylic acids, distillation residues which are obtainable in the production of alcohols having a higher carbon number by oxo synthesis or by the Ziegler process and which may be alkoxylated, mixtures of the said compounds and/or (b) a fatty acid ester of C12- to C22-carboxylic acids with monohydric to trihydric C1- to C18-alcohols and, if appropriate, (c) a hydrocarbon having a boiling point above 200 DEG C or fatty acids having 12 to 22 carbon atoms in combination with (d) 1 to 80 % by weight of polyglycerol esters which can be prepared by an at least 20% esterification of polyglycerol mixtures which contain, as essential constituents, diglycerol, triglycerol, tetraglycerol and, if appropriate, more highly condensed polyglycerols, with saturated or unsaturated C12- to C36-fatty acids. i
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