A method is provided for making mirrors having enhanced reflective layer resistance to corrosion. The reflective layer of the mirror, typically silver, is contacted, preferably simultaneously, with a first solution containing a specific cation and a second solution containing a specific anion, or alkaline material which forms hydroxyl ions, the specific cation and specific anion or hydroxyl ion reacting to form a water insoluble precipitate on the silver surface. The mirror may then be painted to provide additional corrosion resistance to the mirror. The method eliminates the need for a copper layer on the silver surface and the method may be incorporated into existing mirror production lines as a replacement for the copper layering step. Also provided are an apparatus for making the mirrors and the mirrors made using the method and apparatus of the invention. A preferred cation containing solution contains tin (e.g., SnCl2) and a preferred anion containing solution contains hydroxyl ions (e.g., NaOH).

© KIPO & WIPO 2007

A process for preparing a micronized isotretinoin composition is disclosed. The process is carried out by micronizing the isotretinoin while it is suspended in an oily vehicle. Compositions of micronized isotretinoin and unit dosage forms containing the compositions are also disclosed. Certain of these compositions are superior to known compositions with respect to food effect.

© KIPO & WIPO 2007

PURPOSE: An acrylic fluorescent lamp cover and its manufacturing method are provided to display colorlessness light at the designed pattern and to display the opal color at the remaining space.

CONSTITUTION: The manufacturing method for acrylic fluorescent lamp cover includes the steps of sticking a designed sticker(6) on the lower glass(1), hydrofluoric acid processing by soaking the glass in the hydrofluoric acid solution for 10 minutes, and removing the sticker, molding the glass, cutting the glass with a predefined size, heat processing for 5 ~ 8 minutes at 180°C, and forming the plate via the molding machine. At the molding processing, a gasket wraps around the glass and acrylic solution is filled within the upper glass and the lower glass and these glasses are firmly joined. After the hydrofluoric acid processing, the place where a sticker is removed is transparent and the remaining space(7) is opaque.

COPYRIGHT 2001 KIPO

PURPOSE: An electronic commerce information offering system is provided to enable a user to input error case generated at a purchase of a product from an electronic commerce, and to offer the information on the electronic commerce web site.

CONSTITUTION: The system comprises steps of a user accessing a server offering informations on product purchase or user satisfaction(S10), the server determining which menu the accessing user selects among the input menu and the reference menu(S20), the server enabling the user to input data on a specific product or dissatisfaction on the electronic commerce service in an input window and automatically storing the input data in the case that the user select the input menu(S30), the server enabling the user to input a query in a search window, searching for the input query in a database, and displaying the search result on a screen of the user computer(S40), the server checking if the input dissatisfaction is true, and transmitting the dissatisfaction data to the electronic commerce web site(S50), and the server managing a black list of poor level web sites according to the response of the electronic commerce web site, and transmitting the list to the user(S60).

COPYRIGHT 2001 KIPO

PURPOSE: A pressure connection sensing device for an electric pressure kettle is provided to prevent a stoppage of operation due to a defective switching by accurately detecting connection and release of pressure.

CONSTITUTION: A pressure connection sensing device has an optical sensing unit(360) attached to the edge of a through hole(322) of a lid fixing part(320). The sensing unit is a photocoupler converting electrical energy into optical energy including a light emitting part(362) and a light receiving part(364). Upon turning a heating panel(330) to the left or right, pressure connection/release state is set up. If a handle member(334) of the heating panel is turned correctly, pressure connection is decided and accurate connection of a lid(300) is recognized. Then, normal process is progressed. If the handle member is wrongly turned, a shut-off member(354) of a steam guide part(350) is displaced from the light emitting part and the light receiving part. An optical path formed between the light emitting part and the light receiving part is exposed. Then, preparation of the pressure connection or completion of boiling is decided. Therefore, operation of an electric pressure kettle is stopped.

COPYRIGHT 2001 KIPO