公开(公告)号：US5382408A

公开(公告)日：1995-01-17

申请号：US86591

申请日：1993-07-02

Applicant: Daniel Perlman

Inventor： Daniel Perlman

IPC: B04B5/02 ,  B01L3/14 ,  B65D35/42 ,  B65D35/44 ,  G01N1/10 ,  B01L3/00

CPC classification number: B01L3/5021 ,  B01L3/50825 ,  B01L2300/043 ,  Y10S206/815 ,  Y10S436/81

Abstract: Microcentrifuge tube having a container having a round opening and a frictionally seated lid hingedly connected by a fixed-hinge to the container, the lid having an upper lid surface and being sized and shaped to cover and seal the opening to maintain the inside of the tube free of any contaminant. The lid has a lid extension extending upwardly from the lid surface and outwardly away from the hinge in such a manner which allows the lid to be unseated and moved from the opening of the container when mechanical pressure by a user's finger is applied to the lid. The lid further has a guard portion extending downward from a portion of the lid and configured and arranged adjacent the container to act as a finger guard to prevent a user's finger contacting the container.

Abstract translation: 微型离心管具有具有圆形开口的容器和由固定铰链铰接地连接到容器上的摩擦安装的盖子，盖子具有上盖表面，并且其尺寸和形状被设计成覆盖和密封开口以保持管子内部 没有任何污染物。 盖具有从盖表面向上延伸并且以这种方式向外远离铰链的盖延伸部，其允许当使用者的手指的机械压力施加到盖时使盖从容器的开口脱离并移动。 盖子还具有从盖的一部分向下延伸的防护部分，并且被配置和布置成邻近容器以用作手指防护装置，以防止使用者的手指接触容器。

公开(公告)号：US5341557A

公开(公告)日：1994-08-30

申请号：US975404

申请日：1992-11-12

Applicant: Daniel Perlman

Inventor： Daniel Perlman

IPC: B65B53/00 ,  B65B7/16 ,  B65D41/22 ,  B65D65/00 ,  B65D77/20 ,  C08J5/18 ,  B23P11/00

CPC classification number: B65B7/165 ,  B65D41/22 ,  Y10T29/49863 ,  Y10T29/49867

Abstract: A method for covering and sealing an opening in a container. The method employs a polyolefin-based stretch film which is free of adhesive and has a softening temperature in excess of 100.degree. C. At least one surface of the film having an upper and lower surface is substantially free of constituents which can dissolve in, or react with an organic solvent or a caustic agent. The method includes the steps of:(i) providing a portion of the film which covers the container opening,(ii) stretching the film using a mechanical force in a direction generally parallel to the principal axis of the container opening, and(iii) releasing the force and allowing the film to contract around the container opening to provide a liquid-tight seal over the opening.

Abstract translation: 一种用于覆盖和密封容器中的开口的方法。 该方法采用不含粘合剂且软化温度超过100℃的聚烯烃基拉伸膜。具有上表面和下表面的膜的至少一个表面基本上不含可溶于或 与有机溶剂或苛性剂反应。 该方法包括以下步骤：（i）提供覆盖容器开口的薄膜的一部分，（ii）使用大致平行于容器开口主轴的方向上的机械力拉伸薄膜，以及（iii） 释放力并允许膜在容器开口周围收缩，以在开口上提供液密密封。

公开(公告)号：US5302344A

公开(公告)日：1994-04-12

申请号：US606466

申请日：1990-10-31

Applicant: Daniel Perlman

Inventor： Daniel Perlman

IPC: A61L2/26 ,  A61L2/06

CPC classification number: A61L2/26 ,  Y10T428/1355 ,  Y10T428/24975 ,  Y10T428/263 ,  Y10T428/31681

Abstract: A method for containment of a laboratory chemical or device during a procedure chosen from weighing, physical transfer, storage, incubation and sterilization. The method includes provision of a repeatedly foldable layered sheet which includes both an aluminum foil layer and a plastic layer, and selection of the plastic layer to be unreactive with caustic chemicals and organic solvents. The layered sheet can be folded and unfolded along a crease at least five times and steam autoclaved without structural failure. The sheet is oriented with its plastic layer toward the laboratory chemical or device and is folded and shaped to form a protector which covers the chemical or device.

Abstract translation: 在从称量，物理转移，储存，孵育和灭菌过程中选择的过程中遏制实验室化学品或装置的方法。 该方法包括提供包括铝箔层和塑料层的可重复折叠的层状片，以及选择不与苛性化学品和有机溶剂反应的塑料层。 层压片材可以沿着折痕折叠和展开至少五次，并且蒸汽高压灭菌而没有结构破坏。 片材以其塑料层朝向实验室化学品或装置取向，并被折叠和成形以形成覆盖化学品或装置的保护器。

公开(公告)号：US5149408A

公开(公告)日：1992-09-22

申请号：US692579

申请日：1991-04-29

Applicant: Daniel Perlman

Inventor： Daniel Perlman

IPC: B01D57/02 ,  G01N27/447

CPC classification number: G01N27/44717 ,  B01D57/02

Abstract: A capillary blotting sandwich for transferring soluble macromolecules in a liquid medium from a liquid-permeable matrix to a semi-permeable receiving membrane. The blotting sandwich includes: (i) a liquid-permeable matrix layer comprising soluble macromolecules, said matrix having at least one flat surface, (ii) a semi-permeable membrane sheet layer disposed on said flat surface; (iii) an interlocked hydrophilic absorbent fiber-containing material in the form of a non-woven absorbent felt sheet or pad layer disposed on said semi-permeable membrane, wherein said felt layer facilitates capillary transport of a solution through said membrane, whereby said soluble macromolecules in said matrix layer are caused to migrate to said membrane layer.

Abstract translation: 一种用于将液体介质中的可溶性大分子从液体可渗透基质转移到半渗透性接收膜的毛细管印迹夹层。 印迹夹层包括：（i）包含可溶性大分子的液体可渗透基质层，所述基质具有至少一个平坦表面，（ii）设置在所述平坦表面上的半透膜片层; （iii）设置在所述半透膜上的非织造吸收性毡片或垫层形式的互锁亲水吸收性纤维材料，其中所述毡层有助于溶液通过所述膜的毛细管理，由此所述可溶性 使所述基质层中的大分子迁移到所述膜层。

公开(公告)号：US5098603A

公开(公告)日：1992-03-24

申请号：US465834

申请日：1990-01-16

Applicant: Daniel Perlman

Inventor： Daniel Perlman

IPC: C12N15/10

CPC classification number: C12N15/1003

Abstract: A buffered and chelated phenol solution has been stablized by adjusting the pH within a critical range and maintaining the solution under inert gas atmosphere. The solution, which may be combined with chloroform, is useful to denature soluble proteins during the purification of nucleic acids. An opaque phenol-compatible package is described which preserves and safely delivers water-clear phenol.

Abstract translation: 缓冲和螯合的苯酚溶液通过将pH调节到临界范围内并将溶液保持在惰性气体气氛下而稳定化。 可以与氯仿组合的溶液可用于在核酸纯化期间使可溶性蛋白质变性。 描述了不透明的苯酚兼容包装，其保存并安全地递送透明苯酚。

公开(公告)号：US4877585A

公开(公告)日：1989-10-31

申请号：US130406

申请日：1987-12-09

Applicant: Daniel Perlman

Inventor： Daniel Perlman

IPC: B01L3/02

CPC classification number: B01L3/021 ,  Y10T436/2575

Abstract: A graduated pipette having a known total delivery volume, suitable for accurately dispensing both known large and known small volumes of a fluid, wherein the small volume is less than one fourth of the delivery volume of the pipette, the pipette comprising: an upper and a lower elongated tube joined together to form a single continuous unit, the upper tube having a different internal diameter from the lower tube, the upper tube having coarse indicia suitable for accurately dispensing the large volume, wherein the coarse indicia are labelled from zero ml to the volume of the upper tube, the lower tube having fine indicia suitable for accurately dispensing the small volume, wherein the fine indicia are labelled from zero ml to the volume of the lower tube, wherein the upper tube comprises a mouthpiece suitable for allowing fluid to be sucked up into the unit, and the lower tube comprises a constricted region suitable to allow accurate control of fluid flow from the unit, wherein the fluid is accurately dispensed from the unit only through the constricted region.

Abstract translation: 具有已知总输送体积的刻度移液管，其适于精确分配已知的大量和已知的小体积的流体，其中小体积小于移液管的输送体积的四分之一，该移液管包括：上部和 下细长管连接在一起以形成单个连续单元，上管具有与下管不同的内径，上管具有适于精确分配大体积的粗略标记，其中粗标记从零毫米标记至 上管的体积，下管具有适于精确分配小体积的细小标记，其中，细小标记从零毫米标记到下管的体积，其中上管包括适于允许流体为 被吸入单元中，并且下管包括适于允许精确控制来自该单元的流体流动的收缩区域，其中流体 d仅通过收缩区域从单元精确地分配。

公开(公告)号：US4801529A

公开(公告)日：1989-01-31

申请号：US745881

申请日：1985-06-18

Applicant: Daniel Perlman

Inventor： Daniel Perlman

IPC: C12Q1/04 ,  G01N33/50 ,  C12N11/04 ,  C12Q1/18 ,  C12Q1/70

CPC classification number: G01N33/5005 ,  C12Q1/04

Abstract: A method is disclosed for isolating a mutant microorganism. The method includes the following steps:(1) separately microencapsulating individual or small numbers of a microorganism population containing the mutant to obtain a first microdroplet;(2) thereafter surrounding the first microdroplet, with or without an outer semi-permeable membrane, with an outer gel-coating to obtain a gel-coated microdroplet, wherein the gel layer contains an indicator material which reacts to the presence of the mutant microorganism;(3) culturing the resultant microcapsules so that the microdroplets containing mutant microorganism are able to induce a detectable difference in the indicator material from microdroplets, containing non-mutant microorganisms; and(4) separating the microdroplets containing mutant microorganisms from those containing non-mutant microorganisms based upon the differences in the indicator material.

Abstract translation: 公开了用于分离突变微生物的方法。 该方法包括以下步骤：（1）分别将包含该突变体的单个或少数微生物群体微胶囊化以获得第一微滴; （2）之后，将外部的半透膜与外部的半透膜围绕第一微滴，得到凝胶涂布的微滴，其中凝胶层含有与突变微生物的存在反应的指示剂物质 ; （3）培养所得到的微胶囊，使得含有突变体微生物的微滴能够从包含非突变微生物的微滴中引发指示剂物质的可检测差异; 和（4）基于指示剂材料的差异，将含有突变体微生物的微滴与含有非突变微生物的微滴分离。

公开(公告)号：US4754674A

公开(公告)日：1988-07-05

申请号：US40265

申请日：1987-04-17

Applicant: Daniel Perlman

Inventor： Daniel Perlman

IPC: B65H35/00 ,  B65H75/32

CPC classification number: B65H35/0086 ,  Y10T83/6579 ,  Y10T83/664 ,  Y10T83/7507 ,  Y10T83/8785 ,  Y10T83/8822 ,  Y10T83/896

Abstract: A cutting and dispensing device (10) having a cutting blade (60) movable along a straight path, a feed means (20) at the entry side of the path of movement and an anvil surface (74) engageable with a pressure wheel (80) at the exit side of the path which, together with the feed means, grip the sheet material during cutting.

Abstract translation: 一种具有沿着直线路径移动的切割刀片（60）的切割和分配装置（10），位于运动路径入口侧的进给装置（20）和可与压力轮（80）啮合的砧座表面（74） ）在路径的出口侧，与进给装置一起在切割期间夹紧片材。

公开(公告)号：US20130241110A1

公开(公告)日：2013-09-19

申请号：US13606049

申请日：2012-09-07

Applicant: Daniel Perlman

Inventor： Daniel Perlman

IPC: B01L3/00

CPC classification number: B01L3/00 ,  B01L3/08 ,  B01L7/04 ,  B01L2300/0854 ,  B01L2300/1883 ,  B29C49/64 ,  B29C51/00 ,  B29C51/006 ,  B29C51/10 ,  B29C2791/006 ,  B29K2023/06 ,  B29K2023/10 ,  B29K2067/00 ,  B29L2031/7132 ,  B29L2031/752

Abstract: A thermoplastic laboratory beaker that holds liquid in a reservoir portion of the beaker, in which the beaker includes a first upright, generally circular, outer sidewall and a second inner sidewall which are united at their upper limit height to form a lip edge or lip surface. The two sidewalls typically diverge from each other below the lip surface to create an air space between them. The outer sidewall extends downward a first distance D1 below the lip surface, and then usually bends outward to form a substantially planar supporting flange that at least partially supports the weight of said beaker on a laboratory surface. The inner sidewall extends downward a second distance D2 from the lip surface, and then bends inward to form a bottom wall for the reservoir portion that intersects the central vertical axis of said beaker, in which the inner sidewall and the bottom wall form the reservoir portion for holding a liquid.

Abstract translation: 一种热塑性实验室烧杯，其将液体保持在烧杯的储存器部分中，其中烧杯包括第一直立的，大致圆形的外侧壁和第二内侧壁，它们在其上限高度处结合以形成唇缘或唇表面 。 两个侧壁通常在唇表面下方彼此分开，以在它们之间形成空气空间。 外侧壁在唇表面下方向下延伸第一距离D1，然后通常向外弯曲以形成基本上平面的支撑凸缘，其至少部分地支撑实验室表面上的所述烧杯的重量。 内侧壁从唇表面向下延伸第二距离D2，然后向内弯曲以形成与所述烧杯的中心垂直轴线相交的储存器部分的底壁，其中内侧壁和底壁形成储存部分 用于保持液体。

公开(公告)号：US08512794B2

公开(公告)日：2013-08-20

申请号：US13107364

申请日：2011-05-13

Applicant: Daniel Perlman

Inventor： Daniel Perlman

IPC: A23D9/007

CPC classification number: A21D2/165 ,  A23D7/011 ,  A23D7/013 ,  A23G1/36 ,  A23L7/117 ,  A23L7/161 ,  A23L19/18 ,  C11B3/16

Abstract: An edible composition for ingestion by mammals, especially by humans, that includes a fat-based blend containing: (a) at least one triglyceride-based fat, (b) a low level of diglycerides, for example, less than 3% by weight of diglycerides, e.g., diacylglycerol (DAG), and (c) at least 2% and in some instances at least 5% by weight of a mixture of fatty acid Ester Phytosterols (EPs), in which at least 65% by weight of the fatty acid EPs are Monounsaturated (oleate)-Ester Phytosterols (MEPs), and less than 20% by weight of the fatty acid EPs are Polyunsaturated (linoleate+alpha-linolenate)-Ester Phytosterols (PEPs). The increased proportion of MEPs and decreased proportions PEPs and diglycerides substantially increase the oxidative stability index (OSI), shelf life, and health benefits of the above mixture of fatty acid EPs, while providing an advantageous melting temperature and desirable mouth feel for this mixture of fatty acid EPs.

Abstract translation: 哺乳动物，特别是人类摄取的可食用组合物，其包括基于脂肪的混合物，其包含：（a）至少一种甘油三酯基脂肪，（b）低水平的甘油二酯，例如小于3重量％ 的二甘油酯，例如二酰基甘油（DAG），和（c）至少2％，在一些情况下，至少5重量％的脂肪酸​​酯植物甾醇（EPs）的混合物，其中至少65重量％ 脂肪酸EP是单不饱和（油酸酯）酯类植物甾醇（MEPs），小于20重量％的脂肪酸​​EP是多不饱和（亚油酸酯+α-亚麻酸酯）酯类植物甾醇（PEP）。 MEPs的比例增加，PEP和甘油二酯的比例降低，显着增加了上述脂肪酸EPs混合物的氧化稳定指数（OSI），保质期和健康益处，同时为该混合物提供了有利的熔融温度和理想的口感 脂肪酸EP。