A phosphorus ester oligomer having the structure: wherein A can be the same or different in each monomeric unit and each is independently selected from the group consisting of oxygen, sulfur, lower alkyl, substituted or unsubstituted alkylamino, substituted or unsubstituted arylamino and aminoalkyl; B1 and B2 can be the same or different and each is independently selected from hydrogen, lower alky...

A wireless base station having sectorized distribution and omni-distribution of services is combined with ATM processing. Both narrowband and broadband services can be provided to fixed and mobile wireless subscribers by a flexible intelligent ATM base station. Two way integrated voice, wireless data, wireless multimedia, and compressed video services to a wireless subscriber using different narro...

A correction algorithm for substantially eliminating "stair case" type artifacts in dental scans is described. In one specific embodiment, all high density object boundaries in the reformatted images are identified. To identify high density object boundaries, structures in the reformatted image are separated into two classes, namely, structure containing teeth and structure not containing teeth. T...

A bit train of a plurality of continuous pixels is compressed according to a new run-length compression scheme. In this run-length compression scheme, the run information of one unit of compression includes run-length information indicating the continuous number of the same pixel data blocks, or the number of pixels followed, and pixel data having a two-bit configuration for discriminating three o...

A digital video signal record and playback device for recording on a recording medium a digital video signal coded by using a motion compensation prediction and an orthogonal transform and playing back data from the recording medium. In a data arrangement of a digital video signal, an I picture which can be independently represented in a picture is divided into n areas in the vertical direction, a...

In each of two video appliances mutually connected by means of a transmission line, video, voice and other signals are converted to digital signals, subjected to time-division multiplexing and time-base compressing operations to generate a transmission signal having a repetition of signal presence and absence periods, and then the transmission signal is transmitted to the transmission line. While ...

A találmány tárgya eljárás nagy tisztaságú és stabilitású 13-cisz-retinsav előállítására. Az eljárásban nem alkalmaznak nehézfémeket. Azeljárást az jellemzi, hőgy a (IV) képletű beta-iőnőnt az (V) általánősképletű - ahől X jelentése klór-, jód- vagy brómatőm - vinil-magnéziűm-halőgeniddel reagáltatják, a kapőtt (VI) képletű vinil-beta-iőnőlt (VII) képletű 4-hidrőxi-3-metil-bűtenőliddal Wittig-kőnd...

A dispenser for dispensing foamable compositions includes a first module comprising a first housing, a fluid flow fitting in the first housing, a shutoff valve in the first housing and in fluid communication with the fluid flow fitting. The dispenser further includes a second module comprising: a second housing, a valving chamber in the second housing for receiving fluid from the shutoff valve and...

Retinoids of the formula R1-OCH(R2)OC(O)R3 wherein R1 signifies 13-cis-retinoyl, R2 signifies hydrogen or lower-alkyl and R3 signifies straight-chain lower-alkyl can be used as medicaments in the case of dermatological disorders.

"MéTODO PARA MAPEAMENTO DE áREAS DE UMA LâMINA, SISTEMA DE MAPEAMENTO E MéTODOS DE APRESENTAçãO DE INFORMAçãO DE MAPEAMENTO PARA UM ESPéCIME, PARA AUDITAR INFORMAçãO DE MAPEAMENTO, PARA DETECTAR O LOCAL DE BOLHAS EM UMA LâMINA E PARA ENCONTRAR UMA LINHA DE UMA IMAGEM FORMADA DE UMA PLURALIDADE DE FILAS E COLUNAS DE PIXELS", o método de mapear área de uma lâmina (16) incluindo as etapas de seletiva...

An improved pallet made of a synthetic resin wherein the underside of the upper deck is substantially planar, and the supports which separate the upper and lower decks are integrally formed with and project upwardly from the lower deck, and are secured to the underside of the upper deck. The upper ends of the supports are received in recesses in the underside of the upper deck, and the recesses an...

A vent valve apparatus (10) for use with a system for supplying breathable gas pressurised above atmospheric pressure to a human or animal. The apparatus (10) includes a gas washout vent (15), a vent valve (18) adapted to progressively restrict the flow area of the washout vent (15), and a pressure sensitive vent valve control means (20,22,23). The control means is adapted to progressively cause t...

A process of manufacturing blended white cement comprises the following steps: (a) providing anhydrous alumino-silicate, diatomaceous earth, and/or other natural pozzolans; (b) providing white clinker; (c) providing gypsum; and (d) combining and grinding the anhydrous alumino-silicate; the white clinker, and the gypsum together to form the blended white cement.

A method for adhering glass products to a work surface which comprises placing adjacent to the surfaces of the pieces to be joined a continuous, non-perforated metallic foil strip, which absorbs electromagnetic waves. The strip which is contiguous with a heat activatable adhesive material, is positioned between the pieces and exposed to electromagnetic waves while the pieces are held together to f...

PCT No. PCT/EP95/04542 Sec. 371 Date Aug. 18, 1997 Sec. 102(e) Date Aug. 18, 1997 PCT Filed Nov. 18, 1995 PCT Pub. No. WO96/16218 PCT Pub. Date May 30, 1996A process and a binder for producing fibrous webs and fibrous web moldings, preferably in molding tools, in which fibrous webs are chemically bonded with powdered binders which consist wholly or partly of powder coating material, preferably rec...

A layer of material is interposed between a metallic texture coating and the substrate of a component of a prosthetic implant, the layer being bonded to the substrate and, in turn, receiving the metallic texture coating so as to deter propagation of fatigue-induced cracks from the metallic texture coating into the substrate.

A semiconductor device package is presented having signal traces interposed between power and ground conductors in order to form stripline transmission lines. The semiconductor device package includes a substrate having a die area defined upon an upper surface. The die area is dimensioned to receive the integrated circuit. A first planar conductive layer formed upon the upper surface includes a fi...

A system and method are presented for forming a grid array device package around an integrated circuit (i.e., chip). The device package includes a substrate and a heat spreader. The chip includes multiple I/O pads preferably arranged in a two-dimensional array on an underside surface. The substrate includes a first set of bonding pads on an upper surface configured to vertically align with the I/O...

Conditions in a fluidized bed are measured with a probe and a circuit. The bed can be a polymerization reactor's reaction chamber, and the conditions can result in "sheeting" which is the build up of polymer on the chamber walls. The probe protrudes into the bed and detects a current which generally is a function of at least the impact and charge of particulates in the bed. The current detected by...

A digital computer includes an efficient mechanism by which an exception handler can traverse the instruction stream in a reverse direction to identify the instruction which gave rise to the exception condition after a discontinuity in an instruction stream. The digital computer is provided with both a program counter and an "old program counter." For points in an instruction sequence at which a d...