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    Process for producing tetrabromobenzoate esters
    5.
    发明授权
    Process for producing tetrabromobenzoate esters 有权
    生产四溴苯甲酸酯的方法

    公开(公告)号：US07307183B2

    公开(公告)日：2007-12-11

    申请号：US10629888

    申请日：2003-07-29

    申请人： David W. Bartley ,  James D. Siebecker ,  Stephen B. Falloon

    发明人： David W. Bartley ,  James D. Siebecker ,  Stephen B. Falloon

    IPC分类号： C07C69/76 ,  C07C67/08 ,  C08K5/00

    CPC分类号： C07C67/08 ,  C07C67/32 ,  C07C69/76

    摘要： A method for preparing tetrabromobenzoate ester from a tetrabromophthalic anhydride including the steps of reacting the tetrabromophthalic anhydride with a catalyst and an alcohol at a temperature that favors partial esterification over complete esterification of the tetrabromophthalic anhydride to form a tetrabromophthalate half-ester reaction mixture; and feeding the half-ester reaction mixture to at least one reactor having and maintaining a temperature that favors decarboxylation over esterification to produce a tetrabromobenzoate ester-containing product. The temperature favoring partial esterification of the tetrabromophthalic anhydride is between about 70° C. and 130° C. The temperature favoring decarboxylation over esterification is between about 190° C. and 205° C. The tetrabromobenzoate ester-containing product comprises at least about 85% tetrabromobenzoate ester. The at least one reactor may include two or more reactors connected to one another in series.

    摘要翻译： 一种由四溴邻苯二甲酸酐制备四溴苯甲酸酯的方法，包括以下步骤：使四溴邻苯二甲酸酐与催化剂和醇反应，在有利于四溴邻苯二甲酸酐完全酯化反应形成四溴邻苯二甲酸酯半酯反应混合物的条件下有利于部分酯化反应的温度; 并将半酯反应混合物进料至至少一个反应器，该反应器具有和保持有利于酯化反应脱羧以产生含四溴苯甲酸酯的产物的温度。 有利于四溴邻苯二甲酸酐的部分酯化的温度为约70℃至130℃。有利于酯化反应脱羧的温度为约190℃至205℃。含四溴苯甲酸酯的产物包含至少约85 ％四溴苯甲酸酯。 至少一个反应器可以包括串联连接的两个或更多个反应器。

    Grating system with enhanced see-through characteristics
    6.
    发明授权
    Grating system with enhanced see-through characteristics 有权

    公开(公告)号：US08205409B2

    公开(公告)日：2012-06-26

    申请号：US13342513

    申请日：2012-01-03

    申请人： David W. Bartley ,  Kenneth P. Apperson

    发明人： David W. Bartley ,  Kenneth P. Apperson

    IPC分类号： E04C2/42

    CPC分类号： E04C2/423 ,  E04C2/425

    摘要： A grating system provides enhanced see through characteristics and typically includes longitudinal deep bars, axial crossbars, axial filler bars between the crossbars and longitudinal joining bars which join the crossbars and filler bars to one another. The deep bars are part of a first subassembly and the other bars are part of a second subassembly which may be lowered to join the two subassemblies to one another. The crossbars and filler bars are typically seated on the deep bars. The joining bars are typically above and aligned with the deep bars. The upper surfaces of the crossbars and filler bars are usually substantially flush with one another. The grating system is configured to support vehicular and pedestrian traffic.

    Tetrabromophthalic Diester Flame Retardants and their Production
    7.
    发明申请
    Tetrabromophthalic Diester Flame Retardants and their Production 有权
    四溴邻苯二甲酸酯阻燃剂及其生产

    公开(公告)号：US20110166272A1

    公开(公告)日：2011-07-07

    申请号：US12980469

    申请日：2010-12-29

    申请人： David W. Bartley ,  Roy Pickering ,  Thomas G. Ray

    发明人： David W. Bartley ,  Roy Pickering ,  Thomas G. Ray

    IPC分类号： C08K5/12 ,  C07C67/293 ,  C07C67/48 ,  C07C69/80

    CPC分类号： C09K21/08 ,  C07C67/08 ,  C07C67/26 ,  C07C69/76 ,  C08K5/0008 ,  C08K5/0066 ,  C08K5/12 ,  C08L75/04

    摘要： In a process for producing a tetrabromophthalic diester composition, a liquid reaction mixture is prepared comprising tetrabromophthalic anhydride (TBPA), a C2 to C6 polyhydric aliphatic alcohol (PAA) and an alkylene oxide (AO) selected from the group consisting of ethylene oxide and propylene oxide, said reaction mixture being substantially free of an organic solvent. While agitating the reaction mixture, the temperature of the reaction mixture is raised to at least 50° C. to allow the TBPA to react with the PAA and AO to produce a diester composition. The reaction is terminated when the diester composition has an acid value equal to or less than 0.25 mg KOH/gm of the diester composition.

    摘要翻译： 在制备四溴邻苯二甲酸二酯组合物的方法中，制备包含四溴邻苯二甲酸酐（TBPA），C2-C6多元脂肪醇（PAA）和选自环氧乙烷和丙烯的环氧烷（AO）的液体反应混合物 氧化物，所述反应混合物基本上不含有机溶剂。 在搅拌反应混合物的同时，将反应混合物的温度升高至至少50℃，以使TBPA与PAA和AO反应以产生二酯组合物。 当二酯组合物的酸值等于或小于0.25mg KOH / gm的二酯组合物时，反应终止。

    Tetrabromophthalic diester flame retardants and their production
    8.
    发明授权
    Tetrabromophthalic diester flame retardants and their production 有权
    四溴邻苯二甲酸二酯阻燃剂及其制备

    公开(公告)号：US09227908B2

    公开(公告)日：2016-01-05

    申请号：US12980469

    申请日：2010-12-29

    申请人： David W. Bartley ,  Roy Pickering ,  Thomas G. Ray

    发明人： David W. Bartley ,  Roy Pickering ,  Thomas G. Ray

    IPC分类号： C07C69/76 ,  C07C67/26 ,  C08K5/12 ,  C08K5/00

    CPC分类号： C09K21/08 ,  C07C67/08 ,  C07C67/26 ,  C07C69/76 ,  C08K5/0008 ,  C08K5/0066 ,  C08K5/12 ,  C08L75/04

    摘要： In a process for producing a tetrabromophthalic diester composition, a liquid reaction mixture is prepared comprising tetrabromophthalic anhydride (TBPA), a C2 to C6 polyhydric aliphatic alcohol (PAA) and an alkylene oxide (AO) selected from the group consisting of ethylene oxide and propylene oxide, said reaction mixture being substantially free of an organic solvent. While agitating the reaction mixture, the temperature of the reaction mixture is raised to at least 50° C. to allow the TBPA to react with the PAA and AO to produce a diester composition. The reaction is terminated when the diester composition has an acid value equal to or less than 0.25 mg KOH/gm of the diester composition.

    摘要翻译： 在制备四溴邻苯二甲酸二酯组合物的方法中，制备包含四溴邻苯二甲酸酐（TBPA），C2-C6多元脂肪醇（PAA）和选自环氧乙烷和丙烯的环氧烷（AO）的液体反应混合物 氧化物，所述反应混合物基本上不含有机溶剂。 在搅拌反应混合物的同时，将反应混合物的温度升高至至少50℃，以使TBPA与PAA和AO反应以产生二酯组合物。 当二酯组合物的酸值等于或小于0.25mg KOH / gm的二酯组合物时，反应终止。

    Grating construction
    9.
    发明授权
    Grating construction 失效
    光栅结构

    公开(公告)号：US4928471A

    公开(公告)日：1990-05-29

    申请号：US203265

    申请日：1988-06-08

    申请人： David W. Bartley

    发明人： David W. Bartley

    IPC分类号： E04C2/42

    CPC分类号： E04C2/423

    摘要： An improved grating construction of the type intended for closing or flooring an opening. The construction preferably is formed of aluminum and includes a plurality of spaced, parallel, elongated bearing bars and a plurality of spaced, parallel, elongated, transversely extending crossbars. Each bearing bar has a generally flat, rectangular shape and has a plurality of spaced cutouts formed along a top longitudinal edge thereof. Each cutout comprises an upper rectangular-shaped portion and an outwardly flared lower portion. Each crossbar has a rectangular-shaped top portion and an outwardly flared lower portion, which portions are complementary in shape and size to the upper and lower portions of the bearing bar cutouts. The crossbars are slideably received within a plurality of transversely aligned bearing bar cutouts. The crossbars are deformed or swaged at locations adjacent to and on opposite sides of the cutouts engaged by the crossbars to lock the crossbars in the bearing bars to form the grating. The matching of the shape and size of the crossbar with that of the bearing bar cutouts enables the top surface of the crossbars to be substantially flush with the longitudinal top edges of the bearing bars which provides a generally flat surface for unobstructed walking or other movement on the grating.

    摘要翻译： 用于封闭或打开开口的类型的改进的光栅结构。 该结构优选地由铝形成并且包括多个间隔开的平行细长的支承杆和多个间隔开的，平行的细长横向延伸的横杆。 每个支撑杆具有大致平坦的矩形形状，并且具有沿其顶部纵向边缘形成的多个间隔开的切口。 每个切口包括上矩形部分和向外扩张的下部分。 每个横杆具有矩形顶部和向外扩张的下部，这些部分的形状和尺寸与支承棒切口的上部和下部互补。 十字杆可滑动地容纳在多个横向对准的轴承杆切口内。 十字杆在与十字杆接合的切口相邻并相对的位置处变形或模压，以将横杆锁定在支撑杆中以形成光栅。 横杆的形状和尺寸与轴承杆切口的匹配使得横梁的顶表面能够与轴承杆的纵向顶部边缘基本齐平，这提供了大体上平坦的表面，用于不受阻碍地行走或其他运动 光栅。