Drilling fluid
    1.
    发明授权
    Drilling fluid 失效
    钻井液

    公开(公告)号:US3657122A

    公开(公告)日:1972-04-18

    申请号:US3657122D

    申请日:1970-06-16

    Applicant: TEXACO INC

    CPC classification number: C09K8/22 Y10S516/01

    Abstract: An aqueous drilling fluid dispersant and a method of drilling wells using as the drilling fluid dispersant a dihydroxy substituted phenyl alkyl ketone, namely, 1,2-dihydroxy-4acetylbenzene, 1,2-dihydroxy-4-propionylbenzene, and mixtures thereof.

    Abstract translation: 含水钻井液分散剂和使用作为钻井流体分散剂的钻井的方法,二羟基取代的苯基烷基酮,即1,2-二羟基-4-乙酰基苯,1,2-二羟基-4-丙酰苯及其混合物。

    Preparation of benzene acetates
    2.
    发明授权
    Preparation of benzene acetates 失效
    苯甲酸乙酯的制备

    公开(公告)号:US3631228A

    公开(公告)日:1971-12-28

    申请号:US3631228D

    申请日:1970-02-27

    Applicant: TEXACO INC

    CPC classification number: C07C67/00 C07C69/017 C07C69/157

    Abstract: A METHOD OF PREPARING BENZENE ACETATES AND DIACETATES OF THE FORMULA:

    1-(CH3-COO-),2-Y,3-R1,4,5-DI(R2-),6-R4-BENZENE

    WHERE R1, R2 AND R3 ARE HYDROGEN OR ALKYL OF FROM 1 TO 20 CARBONS, R4 IS ALKYL OF FROM 1 TO 20 CARBONS AND Y IS HYDROGEN OR AN ACETOXY RADICAL COMPRISING CONTACTING A CYCLOHEXANONE OF THE FORMULA:

    2-R4,3-R3,4-R2,5-R1-CYCLOHEXANONE

    WHERE R1, R2, R3 AND R4 ARE AS HERETOFORE DEFINED WITH A MIXTURE OF CONCENTRATED SULFURIC ACID AND ACETIC ANHYDRIDE.

    Method of preparing catechol diacetates
    4.
    发明授权
    Method of preparing catechol diacetates 失效
    制备半乳糖的方法

    公开(公告)号:US3624136A

    公开(公告)日:1971-11-30

    申请号:US3624136D

    申请日:1970-02-27

    Applicant: TEXACO INC

    CPC classification number: C07C69/16

    Abstract: WHERE R1, R2, R3 and R4 are as heretofore defined, with acetic anhydride, preferably in admixture with acetic acid, in the presence of boron trifuloride etherate, subsequently contacting the resultant mixture with concentrated sulfuric acid.

    WHERE R1, R2, R3 and R4 are hydrogen or alkyl comprising contacting 2-acetoxycyclohexanone of the formula:

    A method of preparing a catechol diacetate of the formula:

    Preparation of alkylamides
    6.
    发明授权
    Preparation of alkylamides 失效
    烷基酰胺的制备

    公开(公告)号:US3927049A

    公开(公告)日:1975-12-16

    申请号:US53226674

    申请日:1974-12-12

    Applicant: TEXACO INC

    CPC classification number: C07C231/00

    Abstract: A method of preparing alkylamides which comprises contacting an ammonium, Group IA or group IIA metal salt of a terminal alphanitroketone with an acidic mineral acid salt in a carboxylic acid solvent.

    Abstract translation: 一种制备烷基酰胺的方法,其包括在羧酸溶剂中使末端α-硝基酮的铵,IA族或IIA族金属盐与酸性无机酸盐接触。

    Drilling fluid
    7.
    发明授权
    Drilling fluid 失效
    钻井液

    公开(公告)号:US3642622A

    公开(公告)日:1972-02-15

    申请号:US3642622D

    申请日:1970-10-27

    Applicant: TEXACO INC

    CPC classification number: C09K8/24 Y10S516/01

    Abstract: An aqueous drilling fluid dispersant and a method of drilling wells using as the drilling fluid dispersant 4allyldihydroxybenzene.

    Abstract translation: 一种含水钻井液分散剂和使用钻井液分散剂4-烯丙基二羟基苯钻井的方法。

    Preparation of alkylated benzene acetate
    8.
    发明授权
    Preparation of alkylated benzene acetate 失效
    烷基苯甲酸酯的制备

    公开(公告)号:US3624134A

    公开(公告)日:1971-11-30

    申请号:US3624134D

    申请日:1970-02-27

    Applicant: TEXACO INC

    CPC classification number: C07C67/05 C07C69/017 C07C69/157

    Abstract: A method of preparing an alkylated benzene compound of the formula:
    WHERE R is said R2 and R3 is gem position to one another, R1 is as heretofore defined, X is keto oxygen, with a mixture of concentrated sulfuric acid and acetic anhydride.

    WHERE R2 and R3 are alkyl of from one to 20 carbons and R1 is hydrogen or alkyl of from one to 20 carbons comprising contacting a gem polyalkylated cyclohexenone of the general formula:

    Separation of nitroketone from a crude nitrooxidation reaction product
    9.
    发明授权
    Separation of nitroketone from a crude nitrooxidation reaction product 失效
    从粗硝基氧化反应产物中分离出硝基酮

    公开(公告)号:US3895071A

    公开(公告)日:1975-07-15

    申请号:US43813474

    申请日:1974-01-30

    Applicant: TEXACO INC

    CPC classification number: C07C201/16 C01C1/10 C01C1/185 C07C205/45

    Abstract: Method for the purification of nitroketones from crude mixtures containing, in addition to the nitroketone, nitronitrates, nitroalcohols, denitrating agent and nitric acid, wherein the crude mixture is initially treated with ammonia thereby forming and separating the ammonium salt of the nitroketone and ammonium nitrate from the crude mixture, contacting the ammonium nitrate and ammonium salt of the nitroketone with a liquid hydrocarbon at a temperature sufficient to decompose the ammonium salt of the nitroketone to ammonia and said nitroketone, separating ammonia and ammonium nitrate from the hydrocarbon and nitroketone and separating the nitroketone from the hydrocarbon.

    Abstract translation: 从含有硝基酮,硝酸酯,硝基醇,脱硝剂和硝酸的粗混合物中纯化硝基酮的方法,其中粗混合物最初用氨处理,从而形成和分离硝基酮和硝酸铵的铵盐 粗混合物,使硝基酮的硝酸铵和铵盐与液态烃接触,反应温度足以将硝基酮的铵盐分解成氨和硝基酮,从碳氢化合物和硝基酮中分离出氨和硝酸铵,并分离出硝基酮 从烃。

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