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| Number | Title | Issue Date |
| 5041946 | Plastic control device An artificial plastic control device for plastically controlling an electric signal which comprises a pair of electrolytic electrodes arranged as opposed to each other with an electrolyte layer provided therebetween, the pair of electrodes being a first e... | 08/20/1991 |
| 5038036 | Corona discharge processing apparatus An object of the invention is to present a corona discharge processing apparatus capable of performing uniform and excellent corona discharge processing, on work of any thickness or shape, with the constant processing effect regardless of a thickness and ... | 08/06/1991 |
| 5017621 | Polypropylene resin pre-expanded beads, manufacturing method thereof and expansion-molding method using said beads The present invention provides polypropylene resin pre-expanded beads formed by shrinking polypropylene resin pre-expanded beads originally having a bulk density of not higher than 0.0930 g/cc to give them a bulk volume ratio of 10-75% at normal temperatu... | 05/21/1991 |
| 5012905 | Double wrap brake band and its manufacturing method A double wrap brake band having three bands, friction facings fastened to each band and a connecting member connecting the outside bands of the three bands with the intermediate band of such bands. A first bracket member secured to both outside bands, and... | 05/07/1991 |
| 4985552 | Process for obtaining chemically defined and reproducible polydeoxyribonucleotides By carrying out the depolymerization of stabilized solutions of highly polymerized and nicked polydeoxyribonucleotides, as obtained through stabilizing aggregation of raw nucleic acids, the depolymerization being carried out by heating at controlled tempe... | 01/15/1991 |
| 4956369 | 2-dithioalkyl-dihydropyridines and pharmaceutical compositions containing them Compounds of formula I ##STR1## wherein R1 and R3, which are the same or different, are alkoxycarbonyl, acetyl, cyano, nitro, benzoyl or amino-carbonyl groups, R2 is differently substituted aryl or heteroaryl group; R... | 09/11/1990 |
| 4954567 | Process for preparing polyvinyl alcohol having high degree of polymerization A process for preparing a substantially particulate polyvinyl alcohol having a high degree of polymerization of which a 4% by weight aqueous solution has a viscosity at 20° C. of not less than 80 cps, which comprises hydrolyzing a substantially particula... | 09/04/1990 |
| 4923722 | Heat shrinkable composite film and packaging method using same A heat shrinkable composite film comprises a core layer formed of (a) a straight chain, low density polyethylene having a density of 0.890-0.905 g/cm3 and a Vicat softening point of 60°-80° C. and/or (b) a copolymer of propylene and one or mo... | 05/08/1990 |
| 4912849 | Sketching and tracing instrument A tracing instrument for producing symmetrical sketches includes a transparent or translucent base plate, an illuminating source for projecting light through the base plate, and a transparent top plate disposed on an opposite side of the base plate from t... | 04/03/1990 |
| 4877000 | Internal combustion engine An internal combustion engine which includes a cylinder, a piston mounted for movement internally of the cylinder, a precombustion chamber and a device external of the cylinder for compressing and transferring air to the precombustion chamber. The cylinde... | 10/31/1989 |
| 4876451 | Aluminum solid electrolytic capacitor and manufacturing method thereof An aluminum foil type solid electrolytic capacitor wherein the distance between the two foils in the capacitor element to be determined by the thickness of separator being kept at a value between ten to sixty micrometers, solid electrolyte being formed be... | 10/24/1989 |
| 4873931 | Programmed thread regulating apparatus for a sewing machine A thread regulating apparatus for a sewing machine having a plurality of thread regulators. Each regulator nips a thread between a pair of tension discs to apply tension to the thread. The tension applied to the thread is determined according to combinati... | 10/17/1989 |
| 4861877 | Process for preparing 4-acetoxy-3-hydroxyethylazetidin-2-one derivatives A process for preparing a 4-acetoxy-3-hydroxyethylazetidin-2-one derivative having the formula (II): ##STR1## wherein R1 is a protective group for the hydroxyl group, which comprises reacting a ଲ-lactam compound having the formula (I... | 08/29/1989 |
| 4859081 | Surface temperature sensor A surface temperature sensor is disclosed, which comprises a contact member and a position restricting portion for guiding the contact member, of which the contact member comprises a contact surface formed of an elastic material and having a generally C-s... | 08/22/1989 |
| 4853776 | Fabric inspecting method and appartus for detecting flaws An inspection method and apparatus for searching a fabric in strip form to find lump type and void type flaws on both faces of the fabric. Strobes and image pickup elements are arranged at opposite sides of the fabric in transportation. The strobes at one... | 08/01/1989 |
| 4838702 | Electric control apparatus for icecream-making machine An electric control apparatus for an icecream-making machine wherein a stirring paddle is settled in an icecream-forming container in conditions for thermal exchange with an evaporator of a refrigerating system and is driven by an electric motor to whip i... | 06/13/1989 |
| 4839182 | Process for the production of fried potato strips Disclosed is a process for the production of french-fried potato strips, which have a crisp mouth feel and neither shrinkage nor deformation. The process comprises the steps of cutting raw potatoes to form strips thereof, blanching the strips, par-frying ... | 06/13/1989 |
| 4826495 | Coupling means for fastening disposable ostomy bags and bag system therefore In a re-usable coupling means for securing flexible disposable bags for collecting intestinal wastes from ostomies and which consists (a) of a retainer plate of a comparatively stiff plastic material having an opening to lie around the stoma and having a ... | 05/02/1989 |
