Biaxially oriented films containing one or more layers of polyethylene naphthalate bibenzoate (PENBB), a process for the production of these films and methods of using the films are disclosed. A biaxially oriented film having at least one layer and having a total thickness of 0.05 to 500 .mu.m, containing a copolyester which contains at least one unit of the formula (II) (I) as a recurring unit de...

The prevent invention provides a curable resin composition which provides cured film having not only excellent acid resistance but also good weather resistance and good mar resistance. The curable resin composition comprises (a) d hydroxyl and carboxyl group containing polymer, (b) a carboxyl and carboxylate group containing polymer, and (c) a hydroxyl and epoxy group containing polymer.

A sequencing batch waste treatment facility with pretreatment mixing and equalization by mixing with bacteria to achieve a selected waste to bacteria ratio includes selective bacteria breeding through a waste feedback loop, wherein waste is treated and reduced to acceptable biological oxygen demand levels for municipal type waste treatment or general discharge per regulatory permit. Activated slud...

A prosthetic implant for implantation into skeletal bone comprising an implantable base member having an internal housing surrounded partially by a porous wall, an anode secured in the internal housing and in electrical contact with the porous wall, and a porous means placed in the internal housing for retaining a biocompatible electrolyte. When implanted into bone structure, the prosthetic implan...

INDUSTRIAL DOOR HAVING RELEASABLE BEAM AND TENSION BRACKET RETENTION MECHANISM An industrial roll-up door, having a releasable beam and a tension bracket retention mechanism. The door includes a flexible door panel, which is wound in coiled form on a drum, and an elongated beam is attached to the lower end of the door panel. The ends of the beam are releasably connected to brackets that can be mov...

2140896 9402022 PCTABS00030 A surface germicidal composition comprises a dyestuff which is capable of photo-dynamic inactivation of micro-organisms. The dyestuff preferably generates singlet oxygen on exposure to light and is substantive to microorganisms, conveniently being selected from the group comprising Rose Bengal, Erythrosin B and phthalocyanin sulphonates. The composition may optionally i...

The stack-forming device (10) has a stacking shaft (20) which is closed at the bottom by slide plates (22) and to which the printed products (16) are fed by means of the conveying device (14). Above the slide plates (22), intermediate base elements (58) can be slid into the stacking shaft (20), on which intermediate base elements (58), at the commencement of pre-stack formation, the fed printed pr...

The stack-forming device (10) has a stack compartment (20), which is closed at the bottom by slide plates (22) and to which printing products (16) are fed by the conveying device (14). Above the slide plates (22), intermediate-bottom elements (58) can be pushed into the stack compartment (20), on which elements the fed printing products (16) can be deposited one on top of the other at the beginnin...

The method for production of the heat and acoustically insulating material of a glassy nature provides for the mixing of 3.5 parts of the powdered gassifying mixture comprising alkaline earth metal carbonates, a reducing agent and alkali metal chlorides with the other parts up to 100 of ordinary glass crushed to 70 microns. The said mixture is subjected to heating at an appropriate rate with tempe...

A ground fault circuit interrupter (GFCI) is provided that can be used in single phase or polyphase systems, with a range of input voltages from 70 to 264 volts AC, frequencies of 50 or 60 hertz, and ground fault trip currents of 6 to 30 milliamperes. A leading power factor circuit 33 is connected to the secondary winding 31 of the GFCI differential transformer 23 to permit the magnetic circuit to...

The present invention relates to an anti-reflection circuit for video and/or teletext signals, comprising one or more numeric filters and a processor; the main characteristic of the invention consists in the fact that the circuit comprises a filtering section, composed of at least one numeric filter, and an elaboration section, entrusted to said processor, and that the elaboration section provides...

The present invention relates to a system for the transmission and reception of television signals; the principle characteristic of the invention consists in the fact that in the television signal during publicity inserts coded information is inserted according to a determined secret code and that only receivers equipped with suitable decoders are able to detect said code and consequently activate...

The present invention refers to a pilot system for a display panel utilizing ferroelectric crystals; the main characteristic of the invention consists in that it provides the use of a pilot signal that has a cancellation impulse that precedes the writing impulses.

The invention refers to a weighted non-linear filter for video signals; the main characteristic of the invention consists in that the filter provides compensation for spatial and temporal correlations by way of a non-linear filter, implemented in order to contrast the law of Weber.

The bimodal passband filter in resonating cavities is composed of cavities with rectangular cross section, coupled by irises. The sides of each cavity are of such length as to determine the resonance frequency of the two orthogonal modes of propagation having planes of polarisation of the electric field perpendicular to them. Furthermore, at least one angle between two sides of the rectangular cro...

The present invention concerns a band-type filter device, capable of being used to purify contaminated liquids such as refrigerants, lubricants and the like, circulating in industrial systems, being provided with an assembly to divert the flow, stretch and wash the permanent band 7, whose components are able to be easily removed to make room for a reel 26 of disposable band, and in which there are...

The laundry water is cleansed 31 of its content of carbonates by making it go through a container with ion exchange resins. The purifier 31 can be regenerated by being subjected to a flow of water containing sodium chloride. In the pre-wash, sodium chloride can be added to the laundry solution that is made to pass through an electrolytic cell 24 so as to produce sodium hypochlorite in the nascent ...

The present invention concerns a wheel for automobiles obtained by moulding of plastic materials on top of a metal core having numerous tiny holes on its entire surface to favour the anchoring of the moulded material and which essentially repeats the shapes of a wheel, although having perfectly smooth flanks at the channel of the rim proper.