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    61.
    发明专利
    未知

    公开(公告)号：DE1719355A1

    公开(公告)日：1968-08-05

    申请号：DE1719355

    申请日：1968-03-02

    Applicant: HOECHST AG

    Inventor： WEIHSBACH JOACHIM ,  SMERZ OTTO DIPL-CHEM DR ,  ROESCH GUENTER

    IPC: D06L3/12 ,  D06L4/679

    Abstract: 1,248,319. Optically brightening textiles. FARBWERKE HOECHST A.G. 27 Feb., 1969 [2 March, 1968], No. 10619/69. Heading D1P. [Also in Division C5] Synthetic polyamide or cellulose ester fibrous materials are optically brightened by impregnating with a liquor containing an optical brightener and subsequently fixing the brightener on the fibres by heat treatment in the presence of an auxiliary agent comprising or consisting of a polyalkylene glycol HO-(C n H 2n O) x -H where n is 2 or 3 and x is from 2 to 22 and a fatty alcohol oxyethylate RO-(C 2 H 4 O) z -H where R is a C 8 to C 24 alkyl or alkenyl residue and z is from 3 to 16. Preferably the auxiliary agent also includes a foam-depressing compound such as an aliphatic carboxylic acid ester R 2 COOR 1 where R 1 and R 2 each represents a C 4 to C 18 saturated or unsaturated aliphatic group and may be the same or different, one or both of said groups containing at least one C 1 to C 4 side chain, preferably in the α- position in the acid radical but in the α- or #- position in the alcohol radical. A phosphoric acid ester of a C 4 to C 8 aliphatic alcohol may also be included in the auxiliary agent. As described the auxiliary agent is applied to the fibres together with the brightening agent and citric acid, and other treating agents may be included in the treating solution, dispersion or emulsion. Examples are given of brightening knitted nylon 6 fabric, nylon 66 fabric, and cellulose triacetate fibres. Specified optical brightening agents are sodium-1-sulphonate ethylsulphonylphenyl-3-p chlorophenyl pyrazol-4-ine and the corresponding 1-acetamido ethyl sulphonyl-phenyl compound and 4:4' bis (2"- anilino - 4" - methoxy - 6".- imino-1":3":5"- triazine)-stilbene-2:2'-bis(sodium sulphonate), and heat treatment is effected at 190‹ to 200‹C. In the case of nylon 66 fabric a dye is added to the treating solution to improve the whiteness of the fabric, while in treating cellulose triacetate fibres a nonyl phenol/ ethylene oxide condensate is additionally included.

    LIQUID OXIDATIVE DESIZING AGENT AND PROCESS FOR OXIDATIVE DESIZING
    62.
    发明专利
    LIQUID OXIDATIVE DESIZING AGENT AND PROCESS FOR OXIDATIVE DESIZING 未知

    公开(公告)号：CA1189657A

    公开(公告)日：1985-07-02

    申请号：CA424809

    申请日：1983-03-29

    Applicant: HOECHST AG

    Inventor： ADRIAN KLAUS ,  ROESCH GUENTER

    IPC: D06L1/14

    Abstract: of the disclosure: Oxidative desizing agent consisting substantially of from 5 to 20 weight % of sodium or ammonium persulfate or potassium, sodium, ammonium or calcium peroxodiphosphate, from 20 to 50 weight % of one or more surfactants selected from the group of C8-C20-sec.-alkanesulfonates, C4-C12-alkylphenol-oxethylates having 6 to 12 ethylene oxide moieties, or C10-C18-fatty alcohol-oxethylates having 3 to 8 ethylene oxide moieties, and water in the amount remaining to give 100 %. The advantage of this desizing agent resides in the fact that a substantially smaller amount of persulfate is required than for desizing with persulfate alone. Moreover, this desizing agent is liquid and thus easy to be dosed.

    PYRIDO-OXAZOLYL-STILBENES, PROCESS FOR THEIR MANUFACTURE AND THEIR USE AS OPTICAL BRIGHTENERS
    66.
    发明专利
    PYRIDO-OXAZOLYL-STILBENES, PROCESS FOR THEIR MANUFACTURE AND THEIR USE AS OPTICAL BRIGHTENERS 未知

    公开(公告)号：CA1110242A

    公开(公告)日：1981-10-06

    申请号：CA299747

    申请日：1978-03-23

    Applicant: HOECHST AG

    Inventor： GUENTHER DIETER ,  ERCKEL RUEDIGER ,  ROESCH GUENTER

    IPC: C09B57/00 ,  C07D519/00 ,  C09B23/10

    Abstract: Compounds of the formula I I in which X is 0 or S, R1 and R2, being identical or different, are radicals selected from the group of hydrogen, fluorine or chlorine atoms, phenyl, C1-C9-alkyl, C1-C4-alkoxy, C1-C4-dialkyl-amino, acylamino radicals, or optionally functionally modified carboxy or sulfo groups, two adjacent radicals R1 and R2 together optionally representing a benzo ring, a lower alkylene or a 1,3-dioxapropylene group, and A is a group of the formulae or in which R3 and R4, independently from each other, are hydrogen, fluorine or chlorine atoms or C1-C4-alkyl groups; these compounds are useful as optical brighteners.

    MIXTURES OF OPTICAL BRIGHTENERS
    67.
    发明专利
    MIXTURES OF OPTICAL BRIGHTENERS 未知

    公开(公告)号：CA1107913A

    公开(公告)日：1981-09-01

    申请号：CA303000

    申请日：1978-05-10

    Applicant: HOECHST AG

    Inventor： GUENTHER DIETER ,  ERCKEL RUEDIGER ,  ROESCH GUENTER ,  PROBST HEINZ

    IPC: C09B57/00 ,  D06L3/12 ,  D06L1/00

    Abstract: MIXTURES OF OPTICAL BRUGHTENERS of the disclosure: A mixture of optical brighteners containing 0.05 to 0.95 part by weight of a compound from the benzoxazolylor benzothiazolylstilbene series and 0.95 to 0.05 part by weight of a compound of the bis-benzoxazolyl- or bis-benzo-thiazolylstilbene series or of the benzoxazolyl- or benzothiazolyl-stilbene oxazolo¢ 5,4-6 !pyridinyl or oxazolo¢ 2,3-b !pyridinyl series. These mixtures show an enhanced degree of whiteness as compared to the same amount of the single components.

    70.
    发明专利
    未知

    公开(公告)号：DE2724368A1

    公开(公告)日：1977-12-15

    申请号：DE2724368

    申请日：1977-05-28

    Applicant: HOECHST AG

    Inventor： PROSSEL GUENTER DR ,  SCHINZEL ERICH DR ,  ROESCH GUENTER

    IPC: C09B57/00 ,  D06L3/12 ,  C07D413/02

    Abstract: Furanyl-(2)-1,2,4-oxadiazoles of the formula wherein A represents an aromatic mononuclear or binuclear ring system which with two adjacent carbon atoms is fused with the furan nucleus in the manner indicated, R represents hydrogen, a lower alkyl group, an optionally substituted phenyl group, as well as an optionally functionally modified carboxy group, X represents a direct bond, as well as the following divalent radicals B represents a straight-chained or branched, optionally substituted alkyl group or an optionally substituted aryl or heteroaryl group.

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