Abstract: A device for delivery of flowable media, especially of lubricants, includes a pump (1) driven by a motor and forming a component of a line system. At least one heating element (21) activated by energy supply is located outside of the housing (3) of the pump (1) in a position enabling heat transfer to the housing (3).

Abstract: An arrangement for influencing the temperature of flowable media, especially of lubricants found in a lubricant system, has a line through which the medium flow. At least one element (11) is assigned to the line section (1, 5) for influencing the temperature, and can be activated by supplying energy. At least one element (11) is located within the line section (1, 5) in the flow path of the medium. The wall in the line section (1,5) has a connection means (9) for supplying energy to the element (11) located in the line section (1, 5).

Abstract: A process for producing fiberboard panels includes I. gluing cellulosic fibers with an aqueous glue solution and adjusting the moisture content of the cellulosic fibers and/or the water content of the glue such that the moisture content of the glued cellulosic fibers is not more than 150%; and II. compressing the glued cellulosic fibers produced in step (I) at elevated temperature to fiberboard panels.

Abstract: Formaldehyde is prepared by (a) passing a mixture of methanol and water with a concentration of between 50 and 90% by weight, based on the total weight of the two substances, of methanol into a packed column which possesses a packing having a total layer thickness of not less than 50 cm and a total surface area of not less than 0.5 cm.sup.2 per cm.sup.3 of packing, a liquid circulation of from 15 to 90 g/min per g/min of methanol fed to the column, and a concentration of from 10 to 45% by weight of methanol in the recycle liquid, the temperature at the point of entry of the recycle liquid in the column being from 50.degree. to 86.degree. C. and the bottom temperature being 10.degree.-25.degree. C. lower than this, i.e. from 40.degree. to 70.degree. C., (b) separating off methanol and water from the column by stripping with air, an inert gas and/or exit gas, the throughput being from 0.5 to 3 tonnes of methanol and water per hour per m.sup.

Abstract: A bearing arrangement for cylinders utilized in printing machines serves for supporting a cylinder trunnion in a machine frame. The bearing arrangement is composed of a sliding bushing surrounding the cylinder trunnion, a flange bearing supported in the machine frame and encompassing the sliding bushing. A second bushing is mounted between the flange bearing and the machine frame which has an outwardly radially extending central collar arranged in contact with the internal axial bore of the machine frame and two bonding elements inserted between the spaces in the second bushing formed by said collar and the axial bore of the frame for compensation of misalignment between the bearing and the machine frame when the cylinder trunnion is inserted into the frame.

Abstract: A journal bearing of printing machines for permitting compensation for misalignments between a trunnion and a sliding bushing by means of a flanged bearing sleeve. The flanged bearing sleeve is provided with a plurality of grooves each being in engagement with a wedge which is movable therein, thereby achieving a compensation for misalignments.

Abstract: Glyoxal is prepared by oxidizing glycol in the presence of a silver catalyst of a defined particle size and under defined conditions of temperature, residence time and inert gas concentration.The glyoxal obtainable by the process of the invention may be used in wrinkle-resist finishing, as an assistant for increasing the tensile strength and resilience of fibrous materials, a tanning agent, a hardener in the photographic industry, and a starting material for the manufacture of synthetic resins, textile auxiliaries, for example to prevent shrinkage after washing, paper additives, for example for increasing the wet strength, and plastics.

Abstract: Diketones are prepared by oxidizing glycols in the presence of a silver catalyst and/or copper catalyst of a specific particle size, under specific temperature conditions and with a specific composition of the catalyst. The end products are starting materials for the preparation of dyes, drugs, plastics, scents, wrinkle-resist finishes and assistants for increasing the tear strength and resilience of fibrous materials, hardeners for use in the photographic industry, textile assistants for preventing shrinkage after washing, and paper assistants.

Abstract: Aliphatic hydroxycarbonyl compounds etherified with aliphatic groups are prepared by oxidizing hydroxyalcohols in the presence of a metal catalyst which consists of one or more layers, each of a particular weight and each containing particles of a particular size, the catalyst bed also having a particular total thickness, and the catalyst components used being silver and copper, with or without added copper/tin/phosphorus or silver alone. The etherified hydroxyaldehydes and hydroxyketones obtainable by the process of the invention are valuable starting materials for the preparation of dyes, pesticides, plastics and scents.

Abstract: Alkyl pyruvates are prepared by oxidizing alkyl lactates in the presence of a silver catalyst of a defined particle size, at from 450.degree. to 700.degree. C. The products are starting materials for the preparation of drugs, synthetic resins and plastics.

Abstract: Formaldehyde is manufactured by oxidative dehydrogenation of methanol in the presence of a silver catalyst and of certain amounts of steam and formaldehyde, some formaldehyde and a part of the water being withdrawn from the reaction mixture and recycled. The formaldehyde manufactured by the process may be used as a disinfectant, tanning agent, reducing agent and starting material for the manufacture of synthetic resin, adhesives and plastics.

Abstract: Formaldehyde is prepared by oxidative dehydrogenation of methanol in the presence of a silver catalyst, specific amounts of steam and specific amounts of an off-gas, of a specific composition, taken from the manufacture of formaldehyde. The reaction is started at a lower throughput of methanol and at a lower temperature. The formaldehyde obtainable by the process is a disinfectant, tanning agent and reducing agent, and a starting material for the manufacture of synthetic resins, adhesives and plastics.

Abstract: The production of formaldehyde by oxidizing dehydrogenation of methanol in the presence of a silver catalyst which consists of three or more layers each of specific weight and particles of specific particle size and having a specific total layer thickness. Formaldehyde prepared according to the process of the invention is a disinfectant, tanning agent, reducing agent and valuable starting material for the production of synthetic resins, adhesives and plastics.

Abstract: Stabilized, aqueous formaldehyde solutions and a process for their manufacture by addition of isophthalobis-guanamine and/or terephthalo-bis-guanamine. The formaldehyde solution of the invention is used as a disinfectant, tanning agent or reducing agent, and as a starting material for the manufacture of synthetic resins, adhesives and plastics.

Abstract: Manufacture of formaldehyde by oxidative dehydrogenation of methanol in the presence of a silver catalyst, wherein methanol and water are evaporated in the presence of air in a plate column containing a number of double plates each consisting of a sieve plate and a lower plate having the form of a shallow bowl and inclined at a specific angle to the horizontal, the resulting vaporous mixture then being reacted. The formaldehyde which may be produced by the process of the invention is a disinfectant, tanning agent, reducing agent and a valuable starting material for the manufacture of synthetic resins, adhesives and plastics.

Abstract: 15.alpha.-Sulfonyl-12.beta.-hydroxypregnanes of the formula ##SPC1##Wherein Ac is lower-acyl and R is alkyl, cycloalkyl, aralkyl or aryl, which are useful as intermediates for the production of digoxigenin, are produced by the selective sulfonic acid esterification of the corresponding 12.beta., 15.alpha.-dihydroxy steroid.

Abstract: A therapeutic compound for inhibiting ovulation comprising a 17-ester of 17.alpha.-ethinyl-18-methyl-19-nortestosterone wherein the said 17-ester group is formed from an aliphatic carboxylic acid having from six to 11 carbon atoms in the ester residue..Iaddend.