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Organic compounds -- part of the class 532- series November USPTO class patent listing 11/07

20070276167 - Compositions, halogenated compositions, chemical production, and telomerization processes: Compositions are provided that can include RF(RT)nQ, formula I (I), formula II (II), and/or RCl(RT)nH. The RF group can have four fluorine atoms, the RT group can include a C-2 group having a pendant —CF3 group, n can be at least 1, the R1 group can include a carbon atom,... Agent: Wells St. John P.s.

20070276168 - Method for preparation of a fluoroaromatic compound from an aminoaromatic compound: The invention relates to a method for preparation of fluorinated aromatic compounds from the corresponding amines by replacement of the amino group with a fluorine atom. The method of preparation of a fluoroaromatic compound from an aromatic compound with at least one amino group on the aromatic ring is characterized... Agent: Jean-louis Seugnet Rhodia

20070265478 - Dry-etching gas for semiconductor process and preparation method thereof: The invention is a method for continuously preparing highly pure octafluorocyclopentene for use in dry-etching processes. The method includes reacting octachlorocyclopentene with KF in a continuous manner, and purifying crude octafluorocyclopentene. In the reacting step, two KF-charged filters are installed in parallel and allowed to communicate with a reactor containing... Agent: Egbert Law Offices