Alpha-imino amines
    2.
    发明授权
    Alpha-imino amines 失效
    ALPHA-IMINO AMINES

    公开(公告)号:US3798270A

    公开(公告)日:1974-03-19

    申请号:US3798270D

    申请日:1971-12-29

    Inventor: LEE R LOANE C

    CPC classification number: C10L1/2283 B03D1/01 B03D2203/02 C10L1/22 Y10S516/07

    Abstract: REACTION OF AN ALPHA-NITRO ALKYL AMINE CONTAINING NITRO AND AMINO GROUPS ON ADJACENT CARBON ATOMS WITH AN ALIPHATIC PRIMARY AMINE OR AN ALIPHATIC POLYAMINE AND SULFUR DIOXIDE REDUCES THE NITRO GROUP AND FORMS THE CORRESPONDING ALIPHATIC ALPHA-IMINO AMINE CONTAINING IMINO AND AMINO GROUPS ON ADJACENT CARBON ATOMS. SUCH ALIPHATIC ALPHA-IMINO AINES ARE USEFUL PER SE AS ANTIOXIDANTS, SURFACTANTS, DETERGENTS, ANTI-RUST AGENTS, AND FLOTATION AGENTS IN AQUEOUS AND HYDROCARBON SYSTEMS, OR AS CHEMICAL INTERMEDIATES, FOR EXAMPLE FOR PREPARATION OF DYES.

    Preparation of high molecular weight alkylbenzene sulfonyl chlorides
    3.
    发明授权
    Preparation of high molecular weight alkylbenzene sulfonyl chlorides 失效
    高分子量亚苄基苯磺酸氯化物的制备

    公开(公告)号:US3772373A

    公开(公告)日:1973-11-13

    申请号:US3772373D

    申请日:1969-10-30

    Inventor: LEE R

    CPC classification number: C07C303/08 C07C309/86

    Abstract: ALKYLBENZENE SULFONYL CHLORIDE:

    1-R,3-(CL-SO2-)BENZENE

    WHEREIN R IS AN ALKYL GROUP, CAN BE PREPARED BY A CHLOROSULFONATION OF ALKYLBENZENE HYDROCARBONS WITHOUT FORMATION OF SULFURIC ACID AND WITHOUT CHLORINATION OF ALKYLBENZENE SULFONIC ACID. SAID METHOD IS CARRIED OUT BY REACTING ALKYLBENZENE WITH 1.0:1.0 MOLAR MIXTURE OF CHLOROSULFONIC ACID (CISO3H) AND SULFURYLCHLORIDE (SO2CL2).

    Sulfonamides of high molecular weight alkyl-substituted benzene sulfonic acids and their preparation
    5.
    发明授权
    Sulfonamides of high molecular weight alkyl-substituted benzene sulfonic acids and their preparation 失效
    高分子量亚烷基取代的苯甲磺酸的磺化物及其制备

    公开(公告)号:US3711408A

    公开(公告)日:1973-01-16

    申请号:US3711408D

    申请日:1970-04-01

    Inventor: KARLL R LEE R

    CPC classification number: C10M1/08 C10M2219/044 C10M2223/045 C10N2210/02

    Abstract: POLYMETHYLENE-CONTAINING SULFONAMIDES OF ALKYL SUBSTITUTED BENZENE SULFINIC ACIDS WHOSE ALKYL-SUBSTITUENT HAS A MOLECULAR WEIGHT IN THE RANGE OF 400 TO 2800 ARE OIL SOLUBLE, IMPART THERMALLY STABLE DISPERSANCY TO OIL SOLUTIONS OF THE SULFONAMIDES. THE SULFONAMIDES ARE PREFERABLY POLYMETHYLENE--CONTAINING DIPRIMARY AMINES SUCH AS POLYAZALKYLENE DIAMINE, POLYMETHYLENE DIAMENE, POLYETHYLENE IMINES OF 1000-40,000 MOLECULAR WEIGHT AND DI(AMINOPOLYMETHYLENE) PIPERAZINE. THE SULFONAMIDES ARE CONVENIENTLY PREPARED AS SOLUTES IN LIGHT MINERAL OIL (WHITE OIL TO SAE 10 TYPE HYDROCARBON OIL) BY REACTION OF SUITABLE ALKYLBENZENE SULFONIC ACID CHLORIDE AND THE POLYMETHYLENE-CONTAINING DIPRIMARY AMINE IN THE PRESENCE OF PYRIDINE AND C5-C8 ALKANE, REMOVING THE ALKENE AND PYRIDINE, TREATING THE RESIDUE WITH A LIGHT MINERAL OIL SUSPENSION OF CALCIUM HYDROXIDE AND FILTERING THE RESULTING MIXTURE.

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