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    Oxidation catalyst containing vanadium and titanium
    42.
    发明专利
    Oxidation catalyst containing vanadium and titanium 未知

    公开(公告)号：GB1140264A

    公开(公告)日：1969-01-15

    申请号：GB2178166

    申请日：1966-05-17

    Applicant: BASF AG

    Inventor： FRIEDRICHSEN WILHELM ,  GOEHRE OTTO

    IPC: B01J23/22 ,  B01J23/24 ,  B01J23/68 ,  B01J23/84 ,  B01J23/89 ,  B01J37/02 ,  C07C51/215 ,  C07C51/25 ,  C07C51/265 ,  C07C51/31

    Abstract: 1,140,264. Oxidation of hydrocarbons. BADISCHE ANILIN- & SODA-FABBIK A.G. 17 May, 1966 [18 May, 1965], No. 21781/66. Heading C2C. [Also in Division B1] Aromatic hydrocarbons may be oxidized to carboxylic acids, for example o-xylene may be oxidized to phthalic anhydride+maleic anhydride, using a catalyst consisting of an inert porous carrier coated with a 0À02 to 2 mm. thick layer of a composition containing 1% to 15% by weight of vanadium pentoxide and 85% to 99% by weight of titanium dioxide, the catalyst containing from 0À05% to 3% by weight of vanadium pentoxide. In the examples, vapour phase o-xylene and air are passed over the catalyst in a tube heated by a salt-bath, the reaction temperature being: (1), (4), and (5) 400‹ C.; (2) and (7) 390‹ C.; (3) 380‹ C.; (6) 410‹ C. Also mentioned are oxidation of propylene to acetic acid; butene-(1 butene-(2) or butadiene-(1,3) to maleic acid; benzene to maleic acid; naphthalene to phthalic acid; toluene to benzoic acid; methyl naphthalenes to naphthoic acids; durene to pyromellitic acid.

    Production of phthalic anhydride
    43.
    发明专利
    Production of phthalic anhydride 未知

    公开(公告)号：GB1082326A

    公开(公告)日：1967-09-06

    申请号：GB5151664

    申请日：1964-12-18

    Applicant: BASF AG

    Inventor： FRIEDRICHSEN WILHELM ,  GOEHRE OTTO

    IPC: B01J21/06 ,  B01J23/04 ,  B01J23/22 ,  C07C51/265 ,  C07C51/31

    Abstract: Naphthalene or o-xylene is oxidized to phthalic anhydride with oxygen or gases containing same at 250 DEG to 420 DEG C. in the vapour phase in contact with a supported catalyst containing a vanadium compound and at least one alkali metal pyrosulphate such that the V content (calculated as V2O5) is 0.5 to 15% and at least 50% but not more than 90% of the V is present as V4+ and at least 10% as V5+. Maleic anhydride is mentioned as a by-product.ALSO:A supported catalyst containing a mixture of V2O5 and an alkali metal pyrosulphate in which at least 50% and not more than 90% of the vanadium is present as V4+ and at least 10% is present as V5+ is prepared by mixing V2O5 and alkali metal pyrosulphate with particles of TiO2 at a temperature of more than 500 DEG C. at which the mixture is molten. Additionally the catalyst may contain P2O5, MoO3, WO3, AlPO4, C, H2SiO3, Ce2O3, Al2O3, pumice, a natural or synthetic silicate, silica gel, Ag2O or CuO. Preferably the carrier has a low surface area, e.g. 2-50 sq. m/gm.

    Aryl esters of unsaturated sulfonic acids and a process for their production
    44.
    发明专利
    Aryl esters of unsaturated sulfonic acids and a process for their production 未知

    公开(公告)号：GB1002892A

    公开(公告)日：1965-09-02

    申请号：GB4365061

    申请日：1961-12-06

    Applicant: BASF AG

    Inventor： FRIEDRICHSEN WILHELM ,  DISTLER HARRY

    IPC: C07C303/30 ,  C07C309/67 ,  C08K5/42

    Abstract: The invention comprises an unsaturated sulphonic acid aryl ester of the general formula R1.SO2.OR2 in which R1 denotes a hydrocarbon radical having at least five carbon atoms, preferably 5 to 22 carbon atoms, and containing one olefinic double linkage, in d ,e -position to the sulphonic acid ester group, and R2 denotes an aryl radical, preferably phenyl or naphthyl, which may be substituted one to five times by saturated hydrocarbon radicals of 1 to 12 carbon atoms, halogens, alkoxy groups of 1 to 6 carbon atoms and/or esterified carboxyl groups. The novel compounds may be made by reacting a mono-olefine containing at least one methyl or methylene group adjacent to the double linkage with a vinylsulphonic acid aryl ester at a temperature between 100 DEG and 300 DEG C. Pressures from atmospheric up to 200 atm. may be used, if necessary with the use of an inert gas. Suitable starting materials are specified. Examples describe the preparation of the following new compounds: pentene - (1) - sulphonic acid - (5) phenyl ester; 2-methyl-pentene-(1)-sulphonic acid-(5) phenyl ester; 1-phenyl-pentene-(1)-sulphonic acid - (5) o - methylphenyl ester; decene - sulphonic acid o - methylphenyl esters and guaiacol esters; tetradecenesulphonic acid o-methylphenyl esters; tetradecensulphonic acid b -naphthyl esters; 2-methyl-pentene-(1)-sulphonic acid-(5) (11,11,31,31-tetramethylbutyl ester, o - chlorophenyl ester, (21,41 - dichloro) - phenyl ester, (ac-a -tetralyl) ester, (41-chloro-31-methyl)-phenyl ester and phenyl salicylate ester.

    Improvements in the production of pure 1,4,5,6,7,7-hexachlorobicyclo-[2,2,1]-heptene-(5) dicarboxylic acid-(2,3)
    49.
    发明专利
    Improvements in the production of pure 1,4,5,6,7,7-hexachlorobicyclo-[2,2,1]-heptene-(5) dicarboxylic acid-(2,3) 未知

    公开(公告)号：GB878003A

    公开(公告)日：1961-09-20

    申请号：GB1314560

    申请日：1960-04-13

    Applicant: BASF AG

    Inventor： FRIEDRICHSEN WILHELM ,  PALM ALBERT

    Abstract: Pure chlorendic acid [1,4,5,6,7,7-hexachlorobicyclo-[2,2,1]-heptene - (5) - dicarboxylic acid-(2,3)] is prepared by reacting hexachlorocyclo pentadiene and maleic anhydride in a solvent at 120-200 DEG C., hydrolysing the chlorendic acid anhydride, and treating the resulting chlorendic acid with an aqueous solution of an aliphatic carboxylic acid containing up to 6 carbon atoms, preferably at a temperature between room temperature and 40 DEG C. Specified acids are formic, acetic, propionic, butyric, isobutyric, valeric, isovaleric and acrylic acids, and acids containing inert substituents, e.g. halogen atoms or alkoxy groups, such as chloracetic acid, dichloracetic acid, and lactic acid methyl ether. The preferred acid concentration is 2-15% by weight, and generally the acid solution is used in amounts of half to twice the weight of chlorendic acid. The treatment may be in a heterogeneous system, by moistening or suspending the chlorendic acid with or in the aqueous acid solution and filtering, or in a homogeneous system, the amount of aqueous acid and its temperature being such that the chlorendic acid passes completely into solution and crystallises out on cooling. The purification step may be combined with the hydrolysis step by carrying out the hydrolysis with the aqueous carboxylic acid solution. Specifications 614,931 and 855,586 are referred to.

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