The present disclosure is directed to etching compositions that are useful for, e.g., selectively removing silicon germanium (SiGe) from a semiconductor substrate as an intermediate step in a multistep semiconductor manufacturing process.

The present disclosure is directed to etching compositions that are useful for, e.g., selectively removing silicon germanium (SiGe) from a semiconductor substrate as an intermediate step in a multistep semiconductor manufacturing process.

The present invention is directed to a shaped catalyst body for preparing ethylene oxide, which comprises at least silver, cesium and rhenium applied to an alumina support, wherein the alumina support comprises Si, Ca, and Mg in a defined amount. Furthermore, the present invention is directed to a process for preparing the catalyst according to the present invention and process for preparing ethylene oxide by gas-phase oxidation of ethylene by means of oxygen in the presence of a shaped catalyst body according to the present invention.

A method for producing an N-vinylcarboxylic acid amide is provided, the method focusing on unsaturated aldehydes that are contained as impurities generated during a reaction. The method for producing an N-vinylcarboxylic acid amide includes a step for controlling the contained amount of unsaturated aldehydes in the N-vinylcarboxylic acid amide to be not more than 20 mass ppm.

A process for the production of middle distillates by the catalytically promoted hydration of olefinic compounds having a carbon number ranging from 7 to 14 to convert the olefins to the corresponding mixed alcohols having a higher boiling point that is in the diesel range, the process being conducted in a continuous stirred tank reactor, e.g., an ebullated-bed reactor, utilizing catalysts that include soluble homogeneous acidic compounds and solid heterogeneous compounds such as resins, and amorphous or structured metal oxides containing elements selected from IUPAC Groups 4-10, 13 and 14, and having Lewis or Bronsted acid sites.

Compositions can include compounds having a formula: Co.sub.yW.sub.1-xMx0.sub.4 (I), wherein M is Mo, V, or Nb; 0.5≥x≥0; and 1<y≤4; and wherein the compound has an X-ray powder diffraction pattern including characteristic diffraction peaks having d-spacing values of about 2.90 Å, 2.56 Å, and 1.73 Å. Methods can include making a bulk catalyst composition including (i) combining tungstic acid and cobalt carbonate and (ii) reacting the tungstic acid and cobalt carbonate to form a catalyst composition, wherein the cobalt carbonate has an X-ray powder diffraction pattern including characteristic diffraction peaks having d-spacing values of about 10.03 Å, 5.91 Å, 4.35 Å, and 4.21 Å.

Compositions can include compounds having a formula: Co.sub.yW.sub.1-xMx0.sub.4 (I), wherein M is Mo, V, or Nb; 0.5≥x≥0; and 1<y≤4; and wherein the compound has an X-ray powder diffraction pattern including characteristic diffraction peaks having d-spacing values of about 2.90 Å, 2.56 Å, and 1.73 Å. Methods can include making a bulk catalyst composition including (i) combining tungstic acid and cobalt carbonate and (ii) reacting the tungstic acid and cobalt carbonate to form a catalyst composition, wherein the cobalt carbonate has an X-ray powder diffraction pattern including characteristic diffraction peaks having d-spacing values of about 10.03 Å, 5.91 Å, 4.35 Å, and 4.21 Å.

Subject matter of the present invention are kits comprising containers with at least one solid catalytically active compound, their uses in processes for simulating and predicting the transformation of a compound that is preferably a solid active pharmaceutical ingredient (API), preferably an API in combination with an excipient, in a shortened time span, into the respective degradation product(s).

An object of the present invention is to provide a new form of adsorbent suitable for a motor vehicle canister. An activated carbon fiber sheet satisfies one or two or more of conditions for indices, such as a specific surface area, a pore volume of pores having a given pore diameter, and a sheet density. An embodiment, for example, may have: a specific surface area ranging from 1400 to 2200 m.sup.2/g; a pore volume ranging from 0.20 to 1.20 cm.sup.3/g for pores having pore diameters of more than 0.7 nm and 2.0 nm or less; and a sheet density ranging from 0.030 to 0.200 g/cm.sup.3.

Systems for producing performic acid and methods for producing performic acid. The systems may include two or more reactor units, two or more servient programmable logic controllers, a control panel, and a master programmable logic controller. The system may modify the production of performic acid in at least one of the two or more reactor units upon and/or after the occurrence of a disruptive event in order to maintain a desired level of performic acid production and/or a desired level of disinfection.