There is disclosed a phenylalanine derivative having the following structural formula: and salts thereof. The derivative and salt are useful for promoting the absorption of medicinal substances, in particular insulin.

Fibrous polyolefin nonwoven sheets are bonded and stretched in a continuous, multiple stage process. First, the sheet is heated without significant stretching to a temperature that is close to, but below, the melting temperature of the polyolefin. Then, as the sheet is forwarded to a first stretching stage, the sheet temperature is decreased by 5 DEG to 40 DEG C. and thereafter the sheet is alte...

A sheet feeder, provided at a printing machine, comprises a pile board 2 receiving a sheet pile 1, said pile board being suspended from chains 3 and being automatically lifted such that the uppermost pile edge is in the working range of sheet separating and conveying devices (not shown), the position of said uppermost sheet edge being monitored at 5, the pile board 2 mounting pivoted boards 8, 9 b...

The present invention comprises a process for the asymmetric synthesis of florfenicol, thiamphenicol or chloramphenicol, from a derivative of trans-cinnamic acid, comprising the steps: (a) converting the acid to an acid chloride using a chlorinating agent, and reducing the acid chloride to a trans allylic alcohol with a reducing agent; (b) asymmetrically epoxidizing the allylic alcohol of step (a)...

A method of manufacturing a member such as a reinforcing member for use in a tire includes steps of arranging wires in a predetermined spaced relationship one to the others by means of a guide plate, extending the wires about rolls of a winding type brake unit, and aligning the wires by passing them through a comb roll. The method further includes steps of engaging the wires between a pair of gear...

PURPOSE:To selectively and effectively remove extremely small quantities of mercury in oil and facilitate separation of catalytic substance after the reaction, by bringing a hydrocarbon base oil containing mercury into contact with an adsorbent having copper on a carrier such as activated clay. CONSTITUTION:An adsorbent consisting of (A) one or more carrier selected from activated clay, silica gel...

PURPOSE:To selectively and effectively remove extremely small quantities of mercury in oil and facilitate separation of catalytic substance after the reaction, by bringing a hydrocarbon base oil containing mercury into contact with an adsorbent having tin on a carrier such as activated clay. CONSTITUTION:An adsorbent consisting of (A) one or more carrier selected from activated clay, silica gel, z...

PURPOSE:To selectively and effectively remove extremely small quantities of mercury in oil and facilitate separation of catalytic substance after the reaction, by bringing a hydrocarbon base oil containing mercury into contact with activated charcoal carrying copper. CONSTITUTION:An activated charcoal carrying copper, preferably copper halide and/or copper oxide, having preferably 10-500Angstrom (...

PURPOSE:To selectively and effectively remove extremely small quantities of mercury in oil and facilitate separation from catalytic substance after the reaction, by contacting a hydrocarbon base oil containing mercury with activated charcoal carrying tin. CONSTITUTION:An activated charcoal carrying tin, preferably tin halide and/or tin oxide, having preferably 10-500Angstrom (especially 10-100Angs...

An industrial truck comprises a platform (8) for a standing driver and is supported on all sides by a plurality of elastically resilient cushioning elements (9, 10a, 10b). At least one of the cushioning elements (10a, 10b) is provided with a vertical guide limiting the lateral mobility of the platform (8) in order to avoid floating mounting of the platform (8). The cushioning element (10a, 10b) is...

A method and apparatus for efficient branching within a central processing unit with overlapped fetch and execute cycles which optimizes the efficient fetching of instructions.

For the preparation of spherical particles having a narrow particle size spectrum by producing drops by means of a nozzle from a liquid phase having melting points of up to 1500 DEG C, the liquid phase, the nozzle and the falling distance of the drops until stabilisation of the spherical shape of the falling drops are kept at a constant temperature which is 1 to 10 DEG C above the melting point of...

An arc plasma torch having a tapered-bore electrode provides a long, columnar plasma arc. The torch includes a torch housing, a tapered-bore electrode, a gas-constricting nozzle, and a swirling gas flow generator. The electrode is mounted within the housing and has a closed inner end and an open outer mouth. The electrode has a longitudinally extending, tapered bore. The bore has its largest dimen...

The invention concerns an antistatic, mono- or multilayer biaxially oriented copolyester film, wherein the copolyester is PENBB and wherein at least one surface of the film has been coated with an antistatic coating composition containing (I) a quarternary ammonium salt (QAS) and/or (II) a two component system consisting of: (a) an acrylate, styrene-derivative or acrylonitrile, and (b) an ethyleni...

The present invention provides an improved substrate film for magnetic tapes. The base film is a biaxially oriented PENBB film, i.e. a biaxially oriented copolyester film containing the structural unit (I) (bibenzoate, BB). Such particle containing films exhibit improved modulus in the machine and transverse direction and show surface protrusions such that their height crosses the line of log10 y ...

Disclosed herein is a biaxially oriented copolyester film containing inert particles, wherein the copolyester is PENBB and wherein the inert particles are either generated in situ, added to the monomers before or during polycondensation or added to the PENBB before the film-forming process. Depending on the particular application, the film may have various thickness, may include pigment matter, an...

The invention deals with a coated biaxially oriented mono-or multilayered copolyester film, wherein at least one layer is composed of PENBB and wherein the coating contains a thermoplastic polymer.

The invention concerns a primer coated, biaxially oriented self-supporting mono- or multilayer copolyester film, wherein the copolyester is PENBB and wherein the primer coating contains a vinyl acetate copolymer. PENBB is a copolyester containing units of formula (I).

Biaxially stretched composite film comprises a 5-50 mu thick polyester base coated with a layer of PVA, having a polymerisation degree (DP) of more than 350, of thickness of most 0.3 mu . The base has an average rugosity (roughness) (RZ) of at most 0.3 mu on the faces coated with PVA, these faces having no more than 20 pics of high at least 1 mu and no more than 150 pics of height 0.4-1 mu . Th...

Apparatus for determining the position of a mobile vehicle relative to a fixed location marker device (10,20) which comprises a coil (22) energized to emit a magnetic field composed of lines of magnetic flux extending radially and arcuately from the ends of the coil's longitudinal axis (12). A sensor unit mounted on the mobile vehicle comprises four identical sensing coils (A,B,C,D,) each responsi...