中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

81 records (took 0.022 seconds)

    Production of bisaziridine glycols
    21.
    发明专利
    Production of bisaziridine glycols 未知

    公开(公告)号：GB1099992A

    公开(公告)日：1968-01-17

    申请号：GB1052165

    申请日：1965-03-12

    Applicant: BASF AG

    Inventor： SANDER BRUNO ,  BECKE FRIEDRICH

    IPC: C07D203/12

    Abstract: Novel bis-aziridine glycols of the general formula in which R1, R2, R3 and R4 each denote a hydrogen atom or an alkyl group, e.g. N,N1 (1,2 - dihydroxyethylene) - bis - ethylenimine, N,N1 - (1,2 - dihydroxyethylene) - bis - 2 - methylethylenimine, and N,N1-(1,2-dihydroxy-ethylene) - bis - 2 - ethylethylenimine, are made by the reaction of an aziridine having the general formula with glyoxal at a temperature of from - 10 DEG to +80 DEG C. in the presence of water, preferably in an amount of 0.5 to 80% by weight with reference to the whole reaction mixture. An organic solvent and/or suspension agent, for example a lower alkanol of 1 to 4 carbon atoms, a C3-C6 aliphatic ketone, cyclic 5 to 6 membered ethers for example dioxane, tetrahydrofuran, or 1,3-dimethyl-dioxane, N-alkyl substituted pyrrolidones, for example N-methyl or ethyl pyrrolidone, may also be present. The products are stated to be useful additives in printing paste used to print fabric, for example, cotton (see Division D1).ALSO:Printing paste compositions used to print fabrics, e.g. cotton, give improved laundering resistance by incorporating therein a bis aziridine glycol of the general formula: wherein R1, R2, R3 and R4 each denote a hydrogen atom or an alkyl group. In an example N,N1 (1, 2-dihydroxy-ethylene) bis-ethyleneimine is added to a print paste comprising copper phthalocyanine, a thickener emulsion of the oil-in-water type, triethanolamine and an aqueous dispersion of a co-polymer of butyl acrylate, styrene and acrylic acid and the paste used to print cotton cloth which is then dried at 40-60 DEG C and after treated at 180-200 DEG C for 3 to 5 minutes.

    22.
    发明专利
    未知

    公开(公告)号：FR1499786A

    公开(公告)日：1967-10-27

    申请号：FR83792

    申请日：1966-11-16

    Applicant: BASF AG

    Inventor： BECKE FRIEDRICH ,  HAGEN HELMUTH

    Abstract: 1,156,158. Hydroxy alkane- and alkenenitriles. BADISCHE ANILIN- & SODAFABRIK A.G. 16 Nov., 1966 [17 Nov., 1965], No. 51327/66. Heading C2C. Nitriles of hydroxyalkane- and hydroxyalkene-carboxylic acids, in which the hydroxy group is separated from the nitrile group by at least 6 carbons, are obtained by heating the corresponding hydroxyalkane- or hydroxyalkene-carboxylic acids, the ammonium salts or the amides thereof in the presence of at least 2 moles of ammonia per mole of acid or at least one mole of ammonia per mole of the ammonium salt or amide of the said acid to a temperature of 250-400‹ C. in the absence of dehydration catalysts at a pressure of 50-150 atmospheres. The ammonia is preferably used in an amount of 10-30 moles per mole of acid, ammonium salt or amide and water or steam may be added to the reaction mixture. In examples, 7-hydroxy-enanthic acid and ricinoleic acid are converted to the corresponding nitriles.

    Production of glycidamide
    24.
    发明专利
    Production of glycidamide 未知

    公开(公告)号：GB957560A

    公开(公告)日：1964-05-06

    申请号：GB4188062

    申请日：1962-11-06

    Applicant: BASF AG

    Inventor： BECKE FRIEDRICH ,  BUCKSCHEWSKI HEINZ ,  SANDER BRUNO

    IPC: C07C231/06 ,  C07D303/48

    Abstract: Glycidamide is prepared by reacting acrylonitrile with hydrogen peroxide at a pH of 7 to 7.5 and treating the reaction mixture with an oxide of a metal of Group IVA, VB, VIB, or VIIB of the Mendel eef Periodic system of elements. Specified metal oxides are tin oxides, lead oxides, vanadium pentoxide, chromium trioxide, tungsten trioxide, manganese oxides. The reaction may be carried out in a saturated alcohol having one to four carbon atoms. The pH may be maintained by adding alkali metal hydroxides, carbonates, and sodium bicarbonate.ALSO:A violet dye of formula is obtained by reacting glycidamide with aniline and coupling the reaction product obtained with diazotized 2,4-dinitroaniline. The dye may be used for dyeing synthetic polyamide fibres.

    Improvements in the production of benzylacetophenones
    27.
    发明专利
    Improvements in the production of benzylacetophenones 未知

    公开(公告)号：GB825473A

    公开(公告)日：1959-12-16

    申请号：GB1612158

    申请日：1958-05-20

    Applicant: BASF AG

    Inventor： BECKE FRIEDRICH ,  BITTERMANN HERBERT

    IPC: C07C45/46 ,  C07C49/782 ,  C07C49/813 ,  C07C49/84

    Abstract: Benzylacetophenones of the general formula wherein R and R1 represent hydrogen or halogen atoms, or alkyl or alkoxy groups with 1 to 12 carbon atoms, are prepared by reacting an acrylic acid halide with benzene or a benzene derivative of the general formula in the presence of a catalyst of the Friedel-Crafts type. For the production of benzyl-acetophenones having different substituents in the two aromatic nuclei, one aromatic component is reacted with a molar amount of the acrylic acid halide, for example at a temperature of 0-20 DEG C., and then the other aromatic component is added in molar excess and the reaction continued at 40-80 DEG C. Examples 1 and 2 describe the preparation of 1,3-bis-anisylpropanone-(1) by the action of acrylic acid chloride on anisole in the presence of aluminium chloride. Example 3 describes the preparation of 1,3-bis-xylyl-propanone-(1). In Example 4, a solution of acrylic acid chloride, obtained by reacting acrylic acid with phosphorus pentachloride in benzene, is added at about 70 DEG C. to a mixture of benzene and aluminium chloride. After stirring for about 3 hours, the reaction mixture is poured on to ice. The organic phase is then washed free from acid, and the unreacted benzene is distilled off. Further distillation yields benzylacetophenone. In Example 5, a mixture of acrylic acid chloride and anisole is slowly added, while stirring and cooling to 0-20 DEG C., to aluminium chloride suspended in carbon disulphide, the reaction-mixture being irradiated with a mercury vapour lamp. After the evolution of hydrogen chloride has subsided, benzene is added, and the reaction-mixture is heated to 60-70 DEG C. for 2-3 hours. The product is poured on to ice, and washed free from acid. After distilling off the carbon disulphide and excess benzene, 1-anisyl-3-phenyl-propanone-(1) is obtained by vacuum distillation. Examples 6 to 10 relate to the preparation of the following compounds: bis-(chlorphenyl)-propanone, bis-(meta-dichlorphenyl)-propanone, bis - (meta - chlortoluyl) - propanone, bis-ethoxyphenyl-propanone, and bis-(isopropylphenyl)-propanone.

    PRODUCTION OF GLYCIDAMIDE
    29.
    发明专利
    PRODUCTION OF GLYCIDAMIDE 未知

    公开(公告)号：GB1247957A

    公开(公告)日：1971-09-29

    申请号：GB1045669

    申请日：1969-02-27

    Applicant: BASF AG

    Inventor： BECKE FRIEDRICH ,  KOHLHAUPT REINHOLD

    IPC: C07D303/36

    Abstract: 1,247,957. Preparation of glycidamide. BADISCHE ANILIN- & SODA-FABRIK A.G. 27 Feb., 1969, No. 10456/69. Heading C2C. Glycidamide is prepared by the reaction of acrylonitrile and H 2 O 2 at pH 6À0-9À0 in aqueous solution or emulsion, wherein the H 2 O 2 is supplied continuously to the nitrile at such a rate that at any time during the reaction the H 2 O 2 content in the reaction mixture does not exceed 5% by wt. with reference to the acrylonitrile present at that time. The reaction is preferably performed at pH 7À0-7À5 with intense mixing of the H 2 O 2 into the nitrile. A reaction temperature of 30-60‹ C. is suitable.

Patent Agency Ranking