C01B21/0835

ELECTRODE PRODUCTION METHOD
20220411949 · 2022-12-29 ·

An electrode for electrolytic fluorination contains nickel as a base material with a fluorine content<1,000 ppm. Preferably, in at least a surface portion thereof, the nickel content>99 mass %, the iron content≤400 ppm, the copper content<250 ppm, and the manganese content<1,000 ppm. A method for producing an electrode includes arranging a nickel base material electrode in a nickel plating bath as a cathode, and applying nickel plating to the nickel base material electrode by electrolytic nickel plating, the method including (1) using, as an anode, a nickel component deposited on a cathode, or a nickel component that has settled in a molten salt, in a process of producing nitrogen trifluoride by molten salt electrolysis using a nickel base material anode, or the nickel base material anode; or (2) using, as the cathode, the nickel base material anode.

Process for preparing fluorobenzene by direct fluorination
11261144 · 2022-03-01 ·

The invention relates to a use of a fluorination gas, wherein the elemental fluorine (F.sub.2) is present in a high concentration, for example, in a concentration of elemental fluorine (F.sub.2), especially of equal to much higher than 15% or even 20% by volume (i.e., at least 15% or even 20% by volume), and to a process for the manufacture of a fluorinated benzene by direct fluorination employing a fluorination gas, wherein the elemental fluorine (F.sub.2) is present in a high concentration. The process of the invention is directed to the manufacture of a fluorinated benzene by direct fluorination. Especially the invention is of interest in the preparation of fluorinated benzene, final products and as well intermediates, for usage in agro-, pharma-, electronics-, catalyst, solvent and other functional chemical applications. The fluorination process of the invention may be performed batch-wise or in a continuous manner. If the process of the invention is performed batch-wise, a column (tower) reactor may be used. If the process of the invention is continuous a microreactor may be used. The invention is characterized in that the starting compound is benzene, and the fluorinated compound produced is a fluorinated benzene, preferably monofluorobenzene.

Process of Fluorinating Inorganic Compounds by Direct Fluorination

The invention relates to a use of a fluorination gas, and the elemental fluorine (F.sub.2) is present in a high concentration, for example, in a concentration of elemental fluorine (F.sub.2), especially of equal to much higher than 15 or even 20% by volume, and to a process for the manufacture of a fluorinated compound by direct fluorination employing a fluorination gas, wherein the elemental fluorine (F.sub.2) is present in a high concentration. The process of the invention is directed to the manufacture of a fluorinated compound, for the exception of fluorinated benzene, by direct fluorination. Especially the invention is of interest in the preparation of fluorinated organic compounds, final products and as well intermediates, for usage in agro-, pharma-, electronics-, catalyst, solvent and other functional chemical applications. The fluorination process of the invention may be performed batch-wise or in a continuous manner.

Process of fluorinating inorganic compounds by direct fluorination
11795138 · 2023-10-24 ·

The invention relates to a use of a fluorination gas, and the elemental fluorine (F.sub.2) is present in a high concentration, for example, in a concentration of elemental fluorine (F.sub.2), especially of equal to much higher than 15 or even 20% by volume, and to a process for the manufacture of a fluorinated compound by direct fluorination employing a fluorination gas, wherein the elemental fluorine (F.sub.2) is present in a high concentration. The process of the invention is directed to the manufacture of a fluorinated compound, for the exception of fluorinated benzene, by direct fluorination. Especially the invention is of interest in the preparation of fluorinated organic compounds, final products and as well intermediates, for usage in agro-, pharma-, electronics-, catalyst, solvent and other functional chemical applications. The fluorination process of the invention may be performed batch-wise or in a continuous manner.

Electrode production method
11821099 · 2023-11-21 · ·

An electrode for electrolytic fluorination contains nickel as a base material with a fluorine content <1,000 ppm. Preferably, in at least a surface portion thereof, the nickel content ≥99 mass %, the iron content ≤400 ppm, the copper content ≤250 ppm, and the manganese content ≤1,000 ppm. A method for producing an electrode includes arranging a nickel base material electrode in a nickel plating bath as a cathode, and applying nickel plating to the nickel base material electrode by electrolytic nickel plating, the method including (1) using, as an anode, a nickel component deposited on a cathode, or a nickel component that has settled in a molten salt, in a process of producing nitrogen trifluoride by molten salt electrolysis using a nickel base material anode, or the nickel base material anode; or (2) using, as the cathode, the nickel base material anode.

Process of fluorinating inorganic or organic compounds by direct fluorination
11447446 · 2022-09-20 ·

The invention relates to a use of a fluorination gas, and the elemental fluorine (F.sub.2) is present in a high concentration, for example, in a concentration of elemental fluorine (F.sub.2), especially of equal to much higher than 15 or even 20% by volume, and to a process for the manufacture of a fluorinated compound by direct fluorination employing a fluorination gas, wherein the elemental fluorine (F.sub.2) is present in a high concentration. The process of the invention is directed to the manufacture of a fluorinated compound, for the exception of fluorinated benzene, by direct fluorination. Especially the invention is of interest in the preparation of fluorinated organic compounds, final products and as well intermediates, for usage in agro-, pharma-, electronics-, catalyst, solvent and other functional chemical applications. The fluorination process of the invention may be performed batch-wise or in a continuous manner.

ELECTRODE AND PRODUCTION METHOD THEREFOR, AND PRODUCTION METHOD FOR REGENERATED ELECTRODE
20210147993 · 2021-05-20 ·

An electrode for electrolytic fluorination contains nickel as a base material with a fluorine content <1,000 ppm. Preferably, in at least a surface portion thereof, the nickel content ≥99 mass %, the iron content ≤400 ppm, the copper content ≤250 ppm, and the manganese content ≤1,000 ppm. A method for producing an electrode includes arranging a nickel base material electrode in a nickel plating bath as a cathode, and applying nickel plating to the nickel base material electrode by electrolytic nickel plating, the method including (1) using, as an anode, a nickel component deposited on a cathode, or a nickel component that has settled in a molten salt, in a process of producing nitrogen trifluoride by molten salt electrolysis using a nickel base material anode, or the nickel base material anode; or (2) using, as the cathode, the nickel base material anode.

Process of Fluorinating Inorganic or Organic Compounds by Direct Fluorination

The invention relates to a use of a fluorination gas, and the elemental fluorine (F.sub.2) is present in a high concentration, for example, in a concentration of elemental fluorine (F.sub.2), especially of equal to much higher than 15 or even 20% by volume, and to a process for the manufacture of a fluorinated compound by direct fluorination employing a fluorination gas, wherein the elemental fluorine (F.sub.2) is present in a high concentration. The process of the invention is directed to the manufacture of a fluorinated compound, for the exception of fluorinated benzene, by direct fluorination. Especially the invention is of interest in the preparation of fluorinated organic compounds, final products and as well intermediates, for usage in agro-, pharma-, electronics-, catalyst, solvent and other functional chemical applications. The fluorination process of the invention may be performed batch-wise or in a continuous manner.

Process for Preparing Fluorobenzene by Direct Fluorination

The invention relates to a use of a fluorination gas, wherein the elemental fluorine (F.sub.2) is present in a high concentration, for example, in a concentration of elemental fluorine (F.sub.2), especially of equal to much higher than 15% or even 20% by volume (i.e., at least 15% or even 20% by volume), and to a process for the manufacture of a fluorinated benzene by direct fluorination employing a fluorination gas, wherein the elemental fluorine (F.sub.2) is present in a high concentration. The process of the invention is directed to the manufacture of a fluorinated benzene by direct fluorination. Especially the invention is of interest in the preparation of fluorinated benzene, final products and as well intermediates, for usage in agro-, pharma-, electronics-, catalyst, solvent and other functional chemical applications. The fluorination process of the invention may be performed batch-wise or in a continuous manner. If the process of the invention is performed batch-wise, a column (tower) reactor may be used. If the process of the invention is continuous a microreactor may be used. The invention is characterized in that the starting compound is benzene, and the fluorinated compound produced is a fluorinated benzene, preferably monofluorobenzene.

Metal doped carbon based hard mask removal in semiconductor fabrication

Methods and apparatuses for etching metal-doped carbon-containing materials are provided herein. Etching methods include using a mixture of an etching gas suitable for etching the carbon component of the metal-doped carbon-containing material and an additive gas suitable for etching the metal component of the metal-doped carbon-containing material and igniting a plasma to selectively remove metal-doped carbon-containing materials relative to underlayers such as silicon oxide, silicon nitride, and silicon, at high temperatures. Apparatuses suitable for etching metal-doped carbon-containing materials are equipped with a high temperature movable pedestal, a plasma source, and a showerhead between a plasma generating region and the substrate.