Catalyst for the synthesis of alcohol mixtures containing methanol and higher aliphatic alcohols from CO and H2, which contains, as an oxide precursor, (a) copper oxide and zinc oxide, which can be transformed into the catalytically active state by reduction with hydrogen; (b) aluminum oxide as a thermostabilizing substance and (c) at least one alkali carbonate or alkali oxide, the oxidic precurso...

A sheet feeding apparatus includes a sheet stack container comprising opposed vertical walls between which sheets are stacked and a sheet feeder for feeding sheets off the top of the stack in a direction between the walls and parallel with the walls. The container includes a platform for elevating the stack into contact with the sheet feeder, and pusher members in one of the walls for urging the s...

PCT No. PCT/CH89/00172 Sec. 371 Date May 9, 1991 Sec. 102(e) Date May 9, 1991 PCT Filed Sep. 19, 1989 PCT Pub. No. WO91/04217 PCT Pub. Date Apr. 4, 1991.A device for joining a large number of threads on a single frame. Each of a plurality of thread clamps has a guide tube communicating with a vacuum duct. A carriage for carrying a thread joining system is arranged on the frame. As the carriage mov...

An improved disposable blood processing centrifuge bowl is described comprising a rotary seal (28) enclosing an aperture in a bowl body (12) through which a two-piece core assembly (8, 6) is inserted.

A lead acid storage battery comprises a group of electrode plates (4,5), wherein a negative plate (4) is enclosed in an enveloped separator (1) joined together at both its edges (3) by welding or mechanical sealing and a glass mat (6) is separately provided between the separator (1) and a positive plate (5), the glass mat (6) having a width at least equal to the width of the separator (1) except b...

To fill accumulator cells with a solidifying sulphuric acid electrolyte having a sulphuric acid density of between 1.20 and 1.31 using a water-in-oil emulsion containing a polymer as polyelectrolyte in the water phase, preferably containing a polymer or copolymer of an acrylamide, in which process the emulsion, together with a sulphuric acid/silicic mixture inverts to form an oil-in-water emulsion...