Separation of charged particles by a spatially and temporally varying electric field

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The Curagen Corporation patent solves the following problem:

Separation of charged particles, in particular physical mixture of chemical species, important analytical operations. Related chemical species that include non-biological charged species, such as artificial polymers, and biological charged species, such as DNA, RNA, or protein (AJ Kostichka et al., 1992, Bio / Technology 10:78). Separation of mixtures of DNA fragments the most important.

Our analysis of this patent is as follows:

Curagen Corporation’s patent US 6193866 B1 deals with Separation of charged particles by a spatially and temporally varying electric field.
This invention relates to a method and creation of separate charged particles according to their diffusivities a separation medium with a spatially and temporally varying electric potential. method is especially suitable for sizing and separation of DNA fragments, to produce DNA fragment pattern length polymorphism and DNA sequencing by the separation of DNA reaction products series. method takes advantage of the transport of charged particles under an electric potential cycling between an off-state (where the potential is flat) and one or more of the state, where the potential is preferably spatially each with a plurality of eccentrically shaped stationary potential wells. The potential wells are often spatial positions in the state. Between the liquid-phase diffusivities result in charged particle separation. A picture of the device microfabricated. A separation medium fills the physical separation lanes describes the devices. Electrodes deposited substantially transverse to the paths make the necessary electric potential. Beneficially, injection ports can sample loading, and special hand electrodes focus the sample before separation. The effects of thermal gradients are minimized by placing the device in contact with a thermal control module, preferably in a number of Peltier-effect devices transfer heat. The small size on a microfabricated device allows rapid separation of a plurality of separate lanes.

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Radiant floor heating system with reflective layer and honeycomb panel

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The Ronald J. Pennella patent solves the following problem:

Heating the interior of the building and the floor of the building, some typical heating methods used, including the hot water / steam and forced air heating. Often, these heating methods require the installation of large air ducts or open water piping, both taking a considerable amount of space in a building and requires careful planning for the place to vent, radiators and others. Vents and ducts tend to hinder living and working areas within a building and needed other elements of the building (ceiling, walls, etc.) designed around them. The other hot water systems including piping included in a ceiling or flooring material through which hot water circulated to heat a building. In some geographic areas, however, electricity is cheaper than gas, and direct electric heating desired.

Our analysis of this patent is as follows:

Ronald J. Pennella’s patent US 6188839 B1 deals with Radiant floor heating system with reflective layer and honeycomb panel.
A radiant floor heating system and gave way to install, the system of the present invention disposed within a solidified cement or under the board. A member of the panel with a laminated reflective material that serves as a thermal break to set up the hardened cement or under the board. The members of the panel will be composed of any substance which the reflective material is protected like a honeycomb plastic panel where the reflective material layer is laminated. A heating element that the reflective material. Thereafter, the heating elements and the reflective layer was coated with a thin layer of cement or set. The heating element may include a heated wire element unwound from a roll, or the heating element can be really strong in a web of material cut to match the dimensions of the floor and then thrown over the reflective layer. After the thin set cement or dries the heating elements embedded within, marble or other types of tiles can be laid as flooring.

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Contact lens comprising a violet tint

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The Wesley-Jessen Corporation patent solves the following problem:

The members of the contact lens industry recognize that, in time, to a conventional clear, colorless contact lenses may include a yellow tint. The yellow tint harm consumer receiving the contact lens. The yellow tint resulting from the improper processing of contact lens polymer, or from certain ingredients in the lens polymer. Therefore, it is sometimes difficult to avoid the yellow tint to make clear, colorless lens.

Our analysis of this patent is as follows:

Wesley-Jessen Corporation’s patent US 6183083 B1 deals with Contact lens comprising a violet tint.
Add a small amount of a violet colorant to a contact lens material that provides a clear contact lens with no apparent undesirable yellow tint, as the cause of a UV-absorbing compound. Furthermore, the violet colorant can also be used in a colored lens, not the rule tint, to mask any undesirable yellow tint, such as that produced by a UV-absorbing compound. The violet colorant will not unacceptably again to change the color of colored lens.

The revolutionary TRAN&ASSOCIATES provides patent creation and management tools to help inventors protect their inventions using the patent system. Full lawyer support to complete and file the application is available.