公开(公告)号：DE4424712A1

公开(公告)日：1996-01-18

申请号：DE4424712

申请日：1994-07-13

Applicant: BASF AG

Inventor： KRAEH CLAUDIA DR ,  SCHLOESSER ULRIKE DR ,  BECK KARIN HEIDRUN DR ,  MAYER UDO DR

IPC: C10L1/04 ,  C10L1/00 ,  C10L1/14 ,  C10L1/16 ,  C10L1/18 ,  C10L1/185 ,  C10L1/188 ,  C10L1/19 ,  C10L1/22 ,  C10L1/222 ,  C10L1/223 ,  C10L1/232 ,  C10L1/233 ,  C10M171/00 ,  G01N33/28 ,  C07C7/20 ,  C07B63/04 ,  C07C229/72 ,  C07C223/06 ,  G01N33/22

Abstract: The invention relates to the use of benzaldehydes of the formula (I), in which ring A can be benzo-anellated and R , R and R are hydrogen, hydroxy, C1-C15 alkyl, C1-C15 alkoxy, cyano, nitro or a radical of the formula NR R or COOR , in which R is hydrogen or possibly substituted C1-C15 alkyl, R is possibly substituted C1-C15 alkyl or a radical of the formula L-NX X , in which L is C2-C8 alkylene and X and X are mutually independently C1-C6 alkyl or, together with the nitrogen atom bonding them, a heterocyclic radical, and R is hydrogen, possibly substituted C1-C15 alkyl or a radical of the formula L-NX X , in which L, X and X have the above meanings, as marking agents for hydrocarbons, a process for detecting these benzaldehydes in hydrocarbons and hydrocarbons containing the above benzaldehydes.

公开(公告)号：DE4343823A1

公开(公告)日：1995-06-29

申请号：DE4343823

申请日：1993-12-22

Applicant: BASF AG

Inventor： ZEIDLER GEORG ,  SCHOLZ GERHARD DR ,  KRAEH CLAUDIA DR ,  BECK KARIN HEIDRUN DR ,  MAYER UDO DR

IPC: G01N31/00 ,  C09B29/01 ,  C09B29/08 ,  C09B29/095 ,  C09B31/053 ,  C10L1/00 ,  C10L1/14 ,  C10L1/16 ,  C10L1/18 ,  C10L1/22 ,  C10L1/226 ,  C10M133/28 ,  C10M171/00 ,  G01N31/22 ,  G01N33/28 ,  C09B29/085 ,  G01N33/22

Abstract: PCT No. PCT/EP94/04091 Sec. 371 Date Jun. 6, 1996 Sec. 102(e) Date Jun. 6, 1996 PCT Filed Dec. 9, 1994 PCT Pub. No. WO95/17483 PCT Pub. Date Jun. 29, 1995Azo dyes of the formula where the ring A may be benzofused, n is 0 or 1, and R1-R8 are as defined, as pH-dependent markers for hydrocarbons, hydrocarbons containing the above-mentioned azo dyes, and a method for detecting these azo dyes in hydrocarbons.

公开(公告)号：DE19611351A1

公开(公告)日：1997-09-25

申请号：DE19611351

申请日：1996-03-22

Applicant: BASF AG

Inventor： ETZBACH KARL-HEINZ DR ,  KRAEH CLAUDIA DR ,  SENS RUEDIGER DR ,  WUERTHNER FRANK DR

IPC: C09B29/36 ,  B41M5/34 ,  B41M5/385 ,  B41M5/388 ,  B41M5/39 ,  C09B67/22 ,  D06P1/04 ,  D06P5/13

Abstract: Dye mixtures containing one or more thienyl and/or thiazolazo dyes with a coupling component of the aminothiazol, anilin or tetrahydroquinoline series, one or more dyes from the class of monoazo or diazo, methine, azamethine, anthraquinone, nitro or quinophthalone dyes, the maximum absorption of which is at a wavelength of 410 to 520 nm, and possibly one or more dyes from the class of monoazo or diazo, methine, azamethine, anthraquinone, nitro or quinophthalone dyes, the maximum absorption of which is at a wavelength of 600 to 700 nm, where the half-width value of the maximum absorption is at least 2000 cm , a process for the thermal transfer of said dye mixtures and their use in dyeing or printing synthetic materials.

公开(公告)号：DE4215391A1

公开(公告)日：1993-11-18

申请号：DE4215391

申请日：1992-05-11

Applicant: BASF AG

Inventor： HAHN ERWIN DR ,  KRAEH CLAUDIA DR ,  MAYER UDO DR

IPC: C08K5/18 ,  C09B11/24 ,  C09D11/50 ,  D06P3/76 ,  G03G9/09 ,  C09B11/28 ,  C09D11/00 ,  D06P1/42

Abstract: New rhodamine dyestuffs are 2,2,4,8,10,10-hexamethyl-6-(2-carboxy phenyl)-1,2,3,4,8,9,10,11-octahydro- dipyrido(3,2-a:3,2-g) xanthylium salts of formula (I). R1, R2 are H or (substd.) 1-4C alkyl; and An(-) is the equiv. of an anion. (I) may be prepd. by the prior art in e.g. J. Org. Chem., vol. 30, pp. 1832-1837, 1965; SU A-548603; and US Application 566924 (29.12.83); examples are given (below). Specifically, R1 is 1-4C alkyl or esp. H; and R2 is H or esp. 1-4C alkyl. (I) may be prepd. by reacting an opt. N-substd. 3-ethoxy aniline with acetone, giving a 7-ethoxy-2,2,4- trimethyl- dihydroquinoline, hydrogenation and treatment with HBr in glacial acetic acid and reaction of the resultant 2,2,4-trimethyl-7-hydroxy- tetrahydroquinoline with e.g. phthalic anhydride. USE/ADVANTAGE - (I) are used for dyeing polyacrylonitrile fibres, for pigmenting polymers or in ink prodn. (claimed). They may also be used as laser dyestuffs or in electrophotographic toner mfr. and have improved properties, esp. high light fastness.

公开(公告)号：DE4237661A1

公开(公告)日：1994-05-11

申请号：DE4237661

申请日：1992-11-07

Applicant: BASF AG

Inventor： NEUMANN PETER DR ,  KRAEH CLAUDIA DR ,  BECK KARIN HEIDRUN DR

IPC: G03G9/087 ,  C09K19/12 ,  C09K19/30 ,  C09K19/32 ,  G03G9/097 ,  C09K19/06

Abstract: The invention concerns electrostatic toners containing a polymeric binder and, as charge stabilizer, a compound of formula (I) in which n is 2 to 6; Q is a 2- to 6-valent group derived from benzene, cyclohexane, naphthalene, triphenylene or perylene; X is a chemical bond, oxygen, sulphur, sulphonyl, carbonyl or a group of the formula O-CO, CO-O, NH-CO or CO-NH; L is a bridging member; R , R and R are C1-C4 alkyl or C5-C7 cycloalkyl, or R and R together are 1,4-butylene, 1,5-pentylene or 1,5-(3-oxapentylene), or the group (a) is the pyridinium or 3-carboxylpyridinium ion; and An is the anion equivalent. The invention also concerns the use of such compounds as charge stabilizers in electrostatic toners.

公开(公告)号：DE4123245A1

公开(公告)日：1993-01-14

申请号：DE4123245

申请日：1991-07-13

Applicant: BASF AG

Inventor： WOLF PETER DR ,  KRAEH CLAUDIA DR

IPC: C08G73/10

Abstract: Poly(imide ureas) with repeating units of formula (I) (R is tetravalent aromatic or heteroaromatic gp.; n is 2-5), are claimed. Prepn. of (I) is by (1) reacting tetracarboxylic acid dianhydride with aromatic diamine (contg. cyclic urea gp.) in a dipolar aprotic solvent to form polyamidocarboxylic acid prepolymer (II), (2) cyclo-dehydrating (II). USE/ADVANTAGE - Adhesives, paints, encapsulating compsns., prepn. of films, membranes, fibres, surface coatings, matrix materials for fibre-reinforced composites. (I) have very good thermal stability. In an example, under N2, 13.416g (50 mmol) N,N'-bis(p-aminophenyl) -2-imidazolidone was dissolved in 150ml N-methylpyrrolidone (III) then 15.510g (50 mmol) 5,5'-oxybisphthalic acid anhydride was added with water cooling. Mixt. was warmed to room temp. and stirred for 5 hrs.. To (II) soln. obtd. were added 100ml (III), 30ml pyridine, and 20ml acetic anhydride and mixt. was stirred for 6 hrs. at 70 deg.C then poured slowly into 500ml water with stirring. Yellow (I) was filtered off, washed with water, and dried under vacuum at 250 deg.C. Wt. loss on heating in N2 at 10 deg.C/min. was 10% at 513 deg.C. (I) had, from its prepn., structure of formula (II) (p is deg. of polymerisation).