optically monitoring the deviation between the crane's actual direction of travel and the set lane; and generating a motor control signal for controlling rotation of the motor driving the crain's wheels so that the deviation is minimised. The optical monitoring step involves monitoring a lane indicant of the set lane using a TV camera and comparing the monitored indicant with preset horizontal and...

An apparatus for recovering oil spilled upon a body of water. Oil accumulators (10) having numerous open-ended cells (20) entrain spilled oil upon the surfaces (24, 26, 32) of the cells (20) when partially submerged in an area where oil has been spilled upon water. The oil accumulators (10) are rotated so as to lift the oil entrained upon the cell surfaces (24, 26, 32) from the water. An oil remov...

PCT No. PCT/US94/13711 Sec. 371 Date Sep. 9, 1996 Sec. 102(e) Date Sep. 9, 1996 PCT Filed Nov. 28, 1994 PCT Pub. No. WO95/21186 PCT Pub. Date Aug. 10, 1995The present invention provides novel macrocyclic difluorostatone derivatives which are useful as antiviral agents. More specifically, these novel compounds are useful as inhibitors of retroviral proteases required for replication, particularly t...

The device (10) for holding surgical instruments (34) and for the manual control of the electrical supply thereto comprises a body (12) which acts as a grip and has: electrical supply means, at least one electrical terminal (24a, 24b, 24c) electrically connected to the electrical supply means, and means for selectively cutting off the electrical connection between the at least one terminal (24a, 2...

An adhesive or coating composition comprises a reaction product of terephthalate polymer and mixture of glycols in the presence of a glycolysis catalyst. The reaction product is further reacted with a difunctional organic acid. The recycled polymer which is formulated as adhesive or binder can be used in many fields.

Expanded articles of biodegradable plastic material are produced by agglomerating expanded particles with density from 0.1. to 0.003 g/gm<3> and size from 0.5 to 10 mm of diameter, made of a material comprising: from 50 to 95% by weight of thermoplastic starch; from 0.5. to 45% by weight of at least one thermoplastic polymer; from 2 to 20% by weight of water; subject to a heating treatment...

PCT No. PCT/SE95/00101 Sec. 371 Date Aug. 2, 1996 Sec. 102(e) Date Aug. 2, 1996 PCT Filed Feb. 2, 1995 PCT Pub. No. WO95/21342 PCT Pub. Date Aug. 10, 1995A differential gear includes a rotatable housing, a first output shaft connected to a first gear element and a second output shaft connected to a second gear element of a differential planet gear train disposed within the housing and having furth...

A method for recovering metals from solutions is described. A particular embodiment of the method concerns recovering copper metal. The method comprises first treating a solution containing copper ions with a sufficient amount of an inorganic acid to obtain a solution pH of from about 1.5 to less than about 2.5. A reducing metal, such as iron, is then added to the solution to precipitate metal ion...

A polymeric sheet comprising a layer of polymeric material having a first and second parallel surfaces. A plurality of oriented multilayer interference thin film flakes are disposed in the layer of polymeric material. The flakes have first and second parallel surfaces and a width and a thickness and have an aspect ratio of at least 2:1 for the width with respect to the thickness.

The invention relates to two new Streptococcus thermophilus bacteriocins having the amino acid sequences SEQ ID NO:1 and SEQ ID NO:2, the signal peptides for these two bacteriocins, the nucleotide sequences encoding these bacteriocins especially an operon encoding the said bacteriocins having the sequence SEQ ID NO:3, the strains producing at least one of these bacteriocins, especially the strain ...

An apparatus is shown for cleaning a pipe. The apparatus includes a rigid stem and a motor stationarily mounted on the stem. An outer body surrounds the motor and is rotatably mounted on the rigid stem. A fluid conduit is connected to the stem and to a source of fluid under pressure for supplying fluid to the motor for driving the motor. The fluid conduit also connected to a pulling unit for pulli...

A dielectric oil which is a mixture of benzyltoluenes and of benzylxylenes. This oil can be prepared by a Friedel and Crafts condensation of benzyl chloride with a mixture of toluene and xylene. The dielectric strength (breakdown voltage) of this oil has been measured.

A base lubricating oil composition comprising: (a) a base oil having a viscosity index of at least 94 obtained by hydrotreating a solvent-extracted raffinate having a viscosity index of at most 92, and (b) a solvent-extracted raffinate having a viscosity index of at most 92, and/or a deasphalted vacuum residue and/or a hydrotreated deasphalted vacuum residue, shows improved oxidation stability.

PCT No. PCT/SE95/00100 Sec. 371 Date Jul. 19, 1996 Sec. 102(e) Date Jul. 19, 1996 PCT Filed Feb. 2, 1995 PCT Pub. No. WO95/21431 PCT Pub. Date Aug. 10, 1995An alarm element forming part of an alarm system and constructed to receive a magnetic alternating field having the frequency F and transmitted by a transmitter (2). The alarm element retransmits a magnetic alternating field without an energy a...

A process is provided to inhibit trimerization catalyst system activity which comprises the sequential steps of contacting a reactor effluent stream with alcohol; removing any desired olefin products; adding an aqueous base to the non-olefin portion; removing a precipitate; separating the aqueous and organic phases; and adding an acid to the aqueous phase.

Improved cementitious compositions having increased flexural, tensile and shear-bond strength, increased wear resistance, decreased water permeability and enhanced workability than previous cement compositions, which are prepared with water treated with an emulsified tar component, and preferably a residual amount of sodium tripolyphosphate, are provided. Methods of forming shaped articles therefr...

A low profile rotatable electrical plug includes a housing and a set of conductive prongs positioned on one face of the housing for insertion into a conventional wall outlet. A power cord exits the housing in a direction generally perpendicular to the prongs such that the cord parallels the wall when the plug is inserted into a wall outlet. A rotative coupling device mounted within the housing pro...

A process is described for the acclimation and enrichment of an activated sludge culture for the degradation of high concentrations of methanesulfonic acid, so as to render it non-toxic to the aquatic environment.

An apparatus for forming a corrugated substrate comprises a first assembly for advancing liner sheets including a corrugated medium and facing sheets and a second assembly for advancing fluting sheets. Each fluting sheet has bend surfaces along its top and bottom sides. An applicator applies adhesive along at least one of the top and bottom sides of the fluting sheets. The first assembly and secon...

Methods for synthesis of chemical compounds by catalytic transfer hydrogenation comprise forming a mixture of a starting material, a hydrogen donor material and a catalyst. The catalyst is selected from a catalytic form of carbon, a polyethylene glycol phase transfer agent, and mixtures thereof. The mixture is heated at a temperature of from 30 DEG to 400 DEG C. in the presence of at least one a...