Sumitomo Chemical Company, Limited

Jun Oguma

Yoshiaki Tsubata

Chizu Sekine

Makoto Kitano

Akiko Nakazono

Katsumi Agata

Akihiro Ono

Koji Ichikawa

Yasunori Uetani

Koji Hagiya

Shuji Doi

Makoto Anryu

Katsuhiro Komuro

Takahiro Ueoka

Takashi Miyawaki

A salt represented by formula (I): wherein Rand Reach independently represent a hydroxy group, &#x2014;O&#x2014;R, &#x2014;O&#x2014;CO&#x2014;O&#x2014;Ror &#x2014;O-L-CO&#x2014;O&#x2014;R; Lrepresents an alkanediyl group having 1 to 6 carbon atoms; R, R, Rand Reach independently represent a halogen atom, an alkyl fluoride group having 1 to 12 carbon atoms or a hydrocarbon group having 1 to 18 carbon atoms, the hydrocarbon group may have a substituent, and &#x2014;CH&#x2014; included in the hydrocarbon group may be replaced by &#x2014;O&#x2014;, &#x2014;CO&#x2014;, &#x2014;S&#x2014; or &#x2014;SO&#x2014;; Rrepresents an acid-labile group; Xand Xeach independently represent an oxygen atom or a sulfur atom; m1 represents an integer of 1 to 5, m2 and m8 represent an integer of 0 to 5, m4, m5 and m7 represent an integer of 0 to 4; and AIrepresents an organic anion.

Salt, acid generator, resist composition and method for producing resist pattern

An organic electroluminescence device wherein a light emitting layer exists between electrodes composed of an anode and a cathode, a layer (L) containing a polymer compound exists between the light emitting layer and the anode and the polymer compound contains a repeating unit of formula (1): wherein, Ar, Ar, Arand Arrepresent each independently an arylene group or divalent heterocyclic group; E, Eand Erepresent each independently aryl group (A) or heterocyclic group (B); a and b represent each independently 0 or 1, and 0&#x2266;a+b&#x2266;1; aryl group (A) is an aryl group having three or more substituents; and heterocyclic group (B) is a monovalent heterocyclic group having one or more substituents in which the sum of the number of the substituents and the number of hetero atoms of the heterocycle is 3 or more.

Organic electroluminescence device

A polymer compound comprising at least one repeating unit selected from the group of repeating units shown by formula (1) or formula (2),  

Polymer compound and polymer light-emitting device using the same

A polymer compound comprising at least one of residues of compounds of the following formula (1): (wherein, ring A, ring B and ring C represent each independently an aromatic ring or non-aromatic ring optionally having a substituent, Z, Z, Z, Zand Zrepresent each independently C-(Q)or nitrogen atom, Q represents a substituent or hydrogen atom, z represents 0 or 1, the ring A and the ring B may share an atom other than Zconstituting each ring, and one or more and two or less of the rings A, B and C are non-aromatic rings.).

Polymer compound and polymer light emitting device using the same

Provided is a polymer compound having a polystyrene reduced number average molecular weight of 10-10, and comprising a repeating unit represented by the below formula (1-1) or (1-2),wherein Ring A, Ring B, Ring C, or Ring D each independently represent an aromatic ring, and X represents S or O. The compound is usable as a light-emitting material, a charge transporting material, etc.

There is provided a method for preparing a sulfone or sulfoxide compound, characterized in that a sulfide compound is allowed to react with hydrogen peroxide in the presence of a metal oxide catalyst formed by the reaction of hydrogen peroxide with at least one metal or metal compound selected from tungsten metal; molybdenum metal; a tungsten compound comprising tungsten and a Group IIIb, IVb, Vb, or VIb element exclusive of oxygen; and a molybdenum compound comprising molybdenum and a Group IIIb, IVb, Vb, or VIb element exclusive of oxygen.

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Abiko, Japan

Jun Oguma