When from 0.1 to 6 percent by weight of crystallite growth promoter is intimately combined with agglomerated less than 0.1 micron grains of ferric oxide and strontium oxide, barium oxide and/or lead oxide the resulting admixture may be formed into strontium, barium, and/or lead ferrite bodies having a surprisingly high degree of crystallite orientation by maintaining the admixture at a temperature of from 500.degree.C to 900.degree.C for a period of not more than 24 hours to cause the oxides to ...

A method and apparatus for producing a warm fluid from a well through casing, the casing passing through a permafrost zone, wherein the permafrost is insulated from melting by the combined use of vacuum and solid thermal insulation.

A container has a peripheral wall defined by a single preformed blank of flexible sheet material and provided with axially extending injection moulded ribs, one of which forms a seam uniting juxtaposed opposite edge portions of the piece of flexible sheet material, and at least one circumferentially extending injection moulded rib. One end of the zone bounded by the peripheral wall is closed by an end closure formed of injection moulded material or flexible sheet material. The container is forme...

A process comprising passing allyl alcohol in the gas phase over a palladium catalyst at elevated temperature, whereby the allyl alcohol is converted to propionaldehyde. The allyl alcohol may be produced by reacting propylene with oxygen and acetic acid to form a product containing allyl acetate which is hydrolyzed to allyl alcohol and acetic acid, the acetic acid being recycled.

A process for the production of a synthesis gas and a light olefin which comprises simultaneously contacting an organic feed material containing at least 10 weight percent oxygen and a normally liquid hydrocarbon feedstock with steam in the presence of an alkali metal carbonate catalyst at an elevated temperature.

The production of isocyanates by reaction of carbamyl chlorides with water in the presence of acids. Isocyanates prepared by the process of the invention are valuable starting materials for the production of plant protection agents, pesticides, dyes, synthetic resins and plastics, textile waterrepellents, detergents, bleaching agents and adhesives.

Isolated polynucleotides encoding polypeptides having the activity of enzymes in the mevalonate pathway are provided. These sequences are useful for recombinantly producing isoprenoid compounds, such as carotenoids, in particular zeaxanthin. Expression vectors, cultured cells, and methods of making isoprenoid compounds are also provided.

The catalytic hydrogenation of HBA and/or HMPA is improved by either or both of (1) increasing the temperature in the hydrogenation zone from about 50 to 70.degree. C. at the inlet to above 80.degree. C. at the outlet and (2) raising the pH of the hydrogenation feed to 4.5-6.0 before hydrogenation.

The present invention provides a process for producing a monoalkylated aromatic compound, particularly cumene, comprising the step of contacting a polyalkylated aromatic compound with an alkylatable aromatic compound under at least partial liquid phase conditions and in the presence of a transalkylation catalyst to produce the monoalkylated aromatic compound, wherein the transalkylation catalyst comprises a mixture of at least two different crystalline molecular sieves, wherein each of said mole...

The present invention provides a process for producing a monoalkylated aromatic compound, particularly ethylbenzene or cumene, in which a polyalkylated aromatic compound is contacted with an alkylatable aromatic compound in the liquid phase and in the presence of a transalkylation catalyst comprising TEA-mordenite having an average crystal size of less than 0.5 micron.