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    • 6. 发明授权
    • Epoxy resin
    • 环氧树脂
    • US4916202A
    • 1990-04-10
    • US98091
    • 1987-09-17
    • John M. ButlerRichard P. ChartoffJames A. Harvey
    • John M. ButlerRichard P. ChartoffJames A. Harvey
    • C07D303/36C08G59/32
    • C07D303/36C08G59/3227
    • The present invention provides an epoxy resin of the formula ##STR1## where A is selected from the group consisting of --C(CH.sub.3).sub.2 --, --C(CF.sub.3).sub.2 --, --S--, --SO.sub.2 --, --CH.sub.2 --, --CO--, --O--, and --C.sub.3 H.sub.6 --, and each B.sub.1, B.sub.2, B.sub.3, and B.sub.4 is independently selected from the group consisting of --H, --F, --Cl, --Br, --I, --CH.sub.2 CH.dbd.CH.sub.2, --CH.sub.3, --C.sub.2 H.sub.5, --C.sub.3 H.sub.7, and --C.sub.4 H.sub.9.The present invention also provides a curable composition comprising an epoxy resin of the foregoing formula (I) and an effective curing amount of a hardener for an epoxy resin. The moisture sensitivity of the cured castings and/or composites based on the epoxy resins is lower than known epoxy resin castings and/or composites that have comparable thermal stability, modulus, strength, processability, and toughness.
    • 本发明提供下式的环氧树脂:其中A选自-C(CH 3)2 - , - C(CF 3)2 - , - S - , - SO 2 - ,-CH 2 - , - CO - , - O-和-C 3 H 6 - ,并且每个B 1,B 2,B 3和B 4独立地选自-H,-F,-Cl,-Br, I,-CH 2 CH = CH 2,-CH 3,-C 2 H 5,-C 3 H 7和-C 4 H 9。 本发明还提供一种包含上述式(I)的环氧树脂和环氧树脂固化剂的有效固化量的可固化组合物。 基于环氧树脂的固化的铸件和/或复合材料的湿度敏感性低于具有相当的热稳定性,模量,强度,加工性能和韧性的已知的环氧树脂铸件和/或复合材料。
    • 9. 发明授权
    • Seafood separator device
    • 海鲜分离装置
    • US5215197A
    • 1993-06-01
    • US836247
    • 1992-02-18
    • James A. Harvey
    • James A. Harvey
    • B07B1/04B07B1/46
    • B07B1/46B07B1/04
    • A seafood separator for separating sea creatures captured by a net is provided, comprising a support structure attached to the deck of a boat; a number of vertically arranged frames attached to the support structure, each frame containing a screen for retaining sea creatures of predetermined sizes, wherein the grid spacing of each screen is smaller than the grid spacing of any higher screen. Each screen is capable of slidable motion relative to the support structure or to any other screen in order to facilitate cleaning and seafood removal. A tray for collecting trash and unwanted seafood is attached to the support structure below a lowermost screen and has an end positioned over the boat deck to allow return of the trash back into the sea. A method for separating sea creatures and returning undesirable sea creatures back to the sea alive is also provided.
    • 提供用于分离由网捕获的海洋生物的海产分离器,包括附接到船的甲板上的支撑结构; 连接到支撑结构的多个垂直布置的框架,每个框架包含用于保持预定尺寸的海洋生物的屏幕,其中每个屏幕的网格间距小于任何更高屏幕的网格间距。 每个屏幕能够相对于支撑结构或任何其他屏幕滑动,以便于清洁和海鲜去除。 用于收集垃圾和不需要的海鲜的托盘附接到最下面的屏幕下方的支撑结构,并且具有定位在船甲板上的端部,以允许垃圾返回到海中。 还提供了一种分离海洋生物并将不希望的海洋生物返回海洋的方法。