Wako Pure Chemical Industries, Inc.

Other

Matsushita Electric Industrial Co., Ltd.

Motoshige Sumino

Kuniaki Okamoto

Tsutomu Watahiki

Kazuhito Fukasawa

Shigeaki Imazeki

Ayako Kuramoto

Fumiyoshi Urano

Akiko Katsuyama

Atsunori Sano

Masami Ishihara

Tatsuko Ikeda

Kouki Ohkubo

Masayuki Endo

Tsuneaki Maesawa

Keiji Oono

Hirotoshi Fujie

Nobuhiko Sakai

Kazunori Sakamoto

Tsutomu Tani

Tetsuya Watanabe

Naoki Katano

Kazuo Maruhashi

Takao Shibasaki

The present invention provides a non-aqueous electrolytic solution including a methylenebissulfonate derivative and improving initial irreversible capacity and other characteristics of a battery such as a cycle characteristics, electric capacity, and storage characteristics; a method for producing thereof; and a battery using the electrolytic solution. The non-aqueous electrolytic solution includes: (1) a non-aqueous solvent comprising at least one selected from a cyclic carbonate ester, a straight chained carbonate ester and/or a cyclic carboxylic acid ester, (2) a lithium salt which may be dissolved in the non-aqueous solvent, as an electrolyte salt, and (3) a methylenebissulfonate derivative of formula [1]:  The method includes steps of dissolving a lithium salt in a non-aqueous solvent, and then dissolving the methylenebissulfonate derivative. The non-aqueous electrolytic solution battery includes (i) the non-aqueous electrolytic solution, (ii) a negative electrode, (iii) a positive electrode, and (iv) a separator.

Nonaqueous electrolyte solution and nonaqueous electrolyte battery using same

The present invention provides a non-aqueous electrolytic solution including a methylenebissulfonate derivative and improving initial irreversible capacity and other characteristics of a battery such as cycle characteristics, electric capacity, and storage characteristics; a method for producing thereof; and a battery using the electrolytic solution. The non-aqueous electrolytic solution includes: (1) a non-aqueous solvent comprising a cyclic carbonate ester, a straight chained carbonate ester, and/or a cyclic carboxylic acid ester, (2) a lithium salt which may be dissolved in the non-aqueous solvent, as an electrolyte salt, and (3) a methylenebissulfonate derivative of formula [I]: The method includes steps of dissolving a lithium salt in a non-aqueous solvent, and then dissolving the methylenebissulfonate derivative. The non-aqueous electrolytic solution battery includes (i) the non-aqueous electrolytic solution above, (ii) a negative electrode, (iii) a positive electrode, and (iv) a separator.

Nonaqueous electrolyte solution, method for producing same, and nonaqueous electrolyte battery using the electrolyte solution

The present invention is directed to provide an efficient production method which is capable of not only obtaining a cyclic sulfonic acid ester (sultone) at low cost and in high yield, but also the sulfonic acid ester (sultone) stably even in a commercial scale. The present invention relates to a method for producing hydroxysultone comprising a first step where a diol having a specified structure and a thionyl halide are reacted to obtain a cyclic sulfite having a specified structure, and a second step where the cyclic sulfite is reacted with water or/and alcohol; a method for producing an unsaturated sultone having a specified structure comprising a third step where a hydroxylsultone having a specified structure is reacted with an acid halide or an acid anhydride to obtain an intermediate, subsequently the intermediate is treated with a base; as well as a cyclic sulfite having a specified structure.

Method for producing cyclic sulfonic acid ester and intermediate thereof

There is intended to provide the novel compounds which generate a base easily when irradiated with long wavelength light (active energy rays), a photobase generator containing the compounds and a photobase generation method, and the present invention relates to the compounds represented by the general formula [1], a photobase generator containing the compounds and a photobase generation method: (wherein, Ar represents any of groups with specific structures selected from the group consisting of an anthracenyl group, an anthraquinonyl group and a pyrenyl group; Rand Reach independently represent a hydrogen atom or a linear, branched or cyclic alkyl group having 1 to 10 carbon atoms, or represent ones which can form an alicyclic ring containing nitrogen atom(s) or an aromatic ring containing nitrogen atom(s) together with a nitrogen atom to which they are bound, which the rings having 3 to 8 carbon atoms which may have a substituent, Rand Reach independently represent a hydrogen atom, a linear, branched or acyclic alkyl group having 1 to 10 carbon atoms).

Photobase generator

It is an object of the present invention to provide a commercially advantageous method for producing a cyclic disulfonic acid ester with high yield, the present invention discloses a method for producing a cyclic disulfonic acid ester represented by the general formula (3), which comprises reacting a silver alkanedisulfonate represented by the general formula (1) with a dihaloalkane represented by the general formula (2) in a nonpolar solvent.  Wherein Xand Xare each independently a chlorine atom, a bromine atom or an iodine atom; and Y and Z are each independently a substituted or unsubstituted alkylene chain which may have a heteroatom in the chain.

Method for producing cyclic disulfonic acid ester

Object To provide a method for producing a bis-quaternary ammonium salt efficiently and a novel synthetic intermediate thereof. Solution The present invention relates to a method for producing a bis-quaternary ammonium salt represented by a general formula [3] which comprises reacting a disulfonic acid ester represented by a general formula [1] (in the formula, definitions of two R's and T are as described in claim) with a tertiary amine represented by a general formula [2] (in the formula, definitions of Rto Rare as described in claim), and a disulfonic acid ester represented by a general formula [1'] (in the formula, two R's represent independently a halogen atom or a C1-C3 fluoroalkyl group, and two m's represent independently an integer of 1 to 5). 

Process for production of bis-quaternary ammonium salt, and novel intermediate

Problem: Providing a novel ionic liquid, which is low-cost, environment-friendly, and has low viscosity and melting point. Means for Solving the Problem: The present invention is the invention of the ionic liquid represented by the general formula [1]: {wherein, Rto Rand n pieces of Reach independently represent hydrogen atom or alkyl group having 1 to 4 carbon atoms, Rto Reach independently represent alkyl group, aralkyl group, or aryl group, Rrepresents alkyl group, aralkyl group, aryl group, or the one represented by the general formula [2]: (wherein T represents alkylene chain having 1 to 8 carbon atoms, n represents 1 or 2, and Rto Rare the same as the above-described), X represents nitrogen atom or phosphorus atom, n represents 1 or 2. When n is 1, Rand Rare bound and may form cyclohexene ring together with the adjacent carbon atoms. In addition, when X is nitrogen atom, Rto Ror Rto Rmay form hetero ring with nitrogen atom binding thereto}.

Ionic liquid containing allylsulfonate anion

The present invention provides a method for producing a sulfonate ester efficiently and in high yield. The present invention is an invention of a method for producing a sulfonate ester compound, which comprising reacting: (wherein, Rrepresents an optionally substituted alkyl group or an optionally substituted aryl group)];in the presence of an organic base which is capable of forming a salt with said sulfo group.

Process for production of sulfonic acid ester

A method for producing a triarylsulfonium salt having a structure that only one of the three arobatic rings of the three aromatic rings on the cationic portion is different from the other two aromatic groups, and which is useful, for example, as an acid-generating agent for a resist or a photo cationic polymerization initiator,  

Process for producing triarylsulfonium salt

A compound shown by the general formula [1](wherein R, Rand Rare each independently an aromatic hydrocarbon residual group, Yis an anion derived from a carboxylic acid having 3 or more carbon atoms with substituted fluorine atoms, and n is 1 or 2, provided that R, Rand Reach is not a phenyl group having substituents at an ortho and/or a meta position), and a composition consisting of the compound and a diazodisulfone compound are disclosed. Use of the compound or the compound as an acid generator for resists produces the effects of improving the profiles of ultra-fine patterns or diminishing sidewall irregularities in ultra-fine patterns. The compound is also useful as a cationic photopolymerization initiator.

Sulfonium salt compound

Sulfonium salt compounds

Monomer and a polymer obtained therefrom

A resist composition comprising an alkali-soluble polymer, a special cross-linking agent containing one or more oxirane rings and at least one of &mdash;O&mdash;, &mdash;CO&mdash;,&mdash;COO&mdash; and &mdash;OCO&mdash; groups in the molecule, a photoacid generator, and a solvent can form a film having high transmittance for deep UV light such as ArF excimer laser beams and high etching resistance as well as high resolution, and thus suitable for forming a negative working pattern.

Resist composition containing specific cross-linking agent

This invention relates to a monomer shown by the general formula &lsqb;1&rsqb;

Growing community of inventors

Kawagoe, Japan

Motoshige Sumino