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Petrov Viacheslav A, Nappa Mario Joseph: Catalytic isomerization processes of 1,3,3,3-tetrafluoropropene for making 2,3,3,3-tetrafluoropropene. E I Du Pont de Nemours And Company, Petrov Viacheslav A, Nappa Mario Joseph, MALONEY Daniel Mark, March 13, 2008: WO/2008/030443 (14 worldwide citation)

The present invention relates to a process of catalyzed isomerization of HFC-1234ze to make HFC-1234yf. The process comprises contacting HFC-1234ze with a suitable catalyst in a reactor to obtain a product mixture comprising HFC-1234yf.


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Feiring Andrew Edward, Petrov Viacheslav A, Minor Barbara Haviland, Nappa Mario Joseph, Mouli Nandini, Leck Thomas J, Howell Jon Lee: Epoxide and fluorinated epoxide stabilizers for fluoroolefins. E I Du Pont de Nemours And Company, Feiring Andrew Edward, Petrov Viacheslav A, Minor Barbara Haviland, Nappa Mario Joseph, Mouli Nandini, Leck Thomas J, Howell Jon Lee, HAMBY Jane O, March 6, 2008: WO/2008/027511 (10 worldwide citation)

The present invention relates to compositions comprising at least one fluoroolefin and an effective amount of stabilizer that may be an epoxide, fluorinated epoxide or oxetane, or a mixture thereof with other stabilizers. The stabilized compositions may be useful in cooling apparatus, such as refrig ...


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Lecloux Daniel David, Petrov Viacheslav A, Smith Eric Maurice, Wang Ying: Electroluminescent platinum compounds and devices made with such compounds. E I Du Pont de Nemours And Company, Lecloux Daniel David, Petrov Viacheslav A, Smith Eric Maurice, Wang Ying, CAPRIA Mary Ann, May 15, 2003: WO/2003/040257 (8 worldwide citation)

The present invention is generally directed to electroluminescent Pt(II) complexes which have emission maxima across the visible spectrum, and devices that are made with the Pt(II) complexes.


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Hsu Che Hsiung, Junk Christopher P, Uckert Frank P, Teasley Mark F, Feiring Andrew Edward, Dubois Jr Charles, Daoud Natalie, Petrov Viacheslav A, Yang Zhen Yu: Electrically conductive polymer compositions. E I Du Pont de Nemours And Company, Hsu Che Hsiung, Junk Christopher P, Uckert Frank P, Teasley Mark F, Feiring Andrew Edward, Dubois Jr Charles, Daoud Natalie, Petrov Viacheslav A, Yang Zhen Yu, LAMMING John H, January 4, 2007: WO/2007/002682 (5 worldwide citation)

There are provided electrically conducting polymer compositions comprising an electrically conductive polymer or copolymer and an organic solvent wettable fluorinated acid polymer. Electrically conductive polymer materials are derived from thiophene, pyrrole, aniline and polycyclic heteroaromatic pr ...


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Petrov Viacheslav A, Wang Ying, Grushin Vladimir: Electroluminescent iridium compounds wiht fluorinated phenylpyridines, phenylpyrimidines, and phenylquinolines and devices made with such compounds. E I Du Pont de Nemours And Company, Petrov Viacheslav A, Wang Ying, Grushin Vladimir, CAPRIA Mary Ann, July 31, 2003: WO/2003/063555 (5 worldwide citation)

The present invention is generally directed to electroluminescent Ir(III) compounds, the substituted 2-phenylpyridines, phenylpyrimidines, and phenylquinolines that are used to make the Ir(III) compounds, and devices that are made with the Ir(III) compounds


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Herron Norman, Wang Ying, Petrov Viacheslav A, Guidry Mark A, Merlo Jeffrey A, Dobbs Kerwin D: (iii) And devices made with such compounds. E I Du Pont de Nemours And Company, Herron Norman, Wang Ying, Petrov Viacheslav A, Guidry Mark A, Merlo Jeffrey A, Dobbs Kerwin D, LAMMING John H, December 13, 2007: WO/2007/143201 (4 worldwide citation)

There are provided compounds of Formulae I and II: where: n is 1, 2 or 3; p is 0,1 or 2; the sum of n + p is 3; R1 R2, R3 and R4 are each independently H, F, alkyl, (trialkylsilyl, triarylsilyl, aryl or substituted aryl. R5 and R7 are each independently alkyl or aryl; and R6 is H or afkyl. R8 is H, ...


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Petrov Viacheslav A, Wang Ying, Grushin Vladimir: Electroluminescent iridium compounds with fluorinated phenylpyridines, phenylpyrimidines, and phenylquinolines and devices made with such compounds. Ei Du Pont de Nemours And Company, Petrov Viacheslav A, Wang Ying, Grushin Vladimir, WANG Chen, January 10, 2002: WO/2002/002714 (4 worldwide citation)

The present invention is generally directed to electroluminescent Ir(III) compounds, the substituted 2-phenylpyridines, phenylpyrimidines, and phenylquinolines that are used to make the Ir(III) compounds, and devices that are made with the Ir(III) compounds.


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Petrov Viacheslav A, Wang Ying, Grushin Vladimir: Electroluminescent iridium compounds with fluorinated phenylpyridines, phenylpyrimidines, and phenylquinolines and devices made with such compounds. Du Pont, March 26, 2003: EP1295514-A2 (3 worldwide citation)

The present invention is generally directed to electroluminescent Ir(III) compounds, the substituted 2-phenylpyridines, phenylpyrimidines, and phenylquinolines that are used to make the Ir(III) compounds, and devices that are made with the Ir(III) compounds.


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Petrov Viacheslav A, Wang Ying, Grushin Vladimir: Electroluminescent iridium compounds with fluorinated phenylpyridines, phenylpyrimidines, and phenylquinolines and devices made with such compounds. Du Pont, June 2, 2004: EP1424382-A2 (2 worldwide citation)

The present invention is generally directed to electroluminescent Ir(III) compounds, the substituted 2-phenylpyridines, phenylpyrimidines and phenylquinolines that are used to make the Ir(III) compounds, and devices that are made with the Ir(III) compounds.