序号 | 专利名 | 申请号 | 申请日 | 公开(公告)号 | 公开(公告)日 | 发明人 |
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141 | PROCESS FOR PRODUCTION OF 3-MERCAPTOPROPIONIC ACID OR SALT THEREOF | EP10769529.8 | 2010-04-30 | EP2426210A1 | 2012-03-07 | ARAKI, Tadashi; FURUYA, Masayuki; HAYASHI, Hidetoshi |
The present invention provides is a method for producing 3-mercaptopropionic acid from 3-mercaptopropionamide or a salt thereof with the use of an amidase. The method enables the production of 3-mercaptopropionic acid on an industrial scale through an enzymatic reaction. |
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142 | Polythiourethane | EP07000975.8 | 2005-04-28 | EP1806378B1 | 2011-10-12 | Watanabe, Masanori; Watanabe, Masahiko; Morikami, Atsushi; Hirakawa, Takahumi |
143 | Hydroxyl-terminated thiocarbonate containing compounds, polymers, and copolymers, and polyurethanes and urethane acrylics made therefrom | EP10185321.6 | 2005-07-18 | EP2272885A3 | 2011-05-18 | LAI, John, Ta-Yuan; Shea, Ronald P. |
Carboxylate terminated thiocarbonates are reacted with a polyfunctional alcohol to form a hydroxyl-terminated thiocarbonate compound. |
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144 | Hydroxyl-terminated thiocarbonate containing compounds, polymers, and copolymers, and polyurethanes and urethane acrylics made therefrom | EP10185295.2 | 2005-07-18 | EP2272884A3 | 2011-05-18 | Lai, John, Ta-Yuan; Shea, Ronald P. |
Carboxylate terminated thiocarbonates are reacted with a polyfunctional alcohol to form a hydroxyl-terminated thiocarbonate compound. |
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145 | ASSOCIATIVE THICKENERS FOR AQUEOUS SYSTEMS | EP05791718.9 | 2005-08-18 | EP1778611B1 | 2008-08-13 | LAI, John Ta-Yuan; HSU, Shui-Jen Raymond |
Thiocarbonate compounds which, in one embodiment, are utilized as a rheology modifier or associative thickener. The thiocarbonate compounds thicken or increase the viscosity of a composition, preferably an aqueous composition when used in an effective amount. In one preferred embodiment, the thiocarbonate compounds include at least one hydrophilic group containing repeat unit such as derived from acrylic acid, and at least one hydrophobic group to enhance association with other compounds and thus increase viscosity of a composition. Aqueous composition comprising a latex and thiocarbonate associative thickeners are described. | ||||||
146 | POLYMERIZABLE COMPOSITION AND POLYTHIOCARBONATE POLYTHIOETHER | EP06822516.8 | 2006-10-27 | EP1953182A1 | 2008-08-06 | WATANABE, Masanori, Ube Industries, Ltd.; HIRAKAWA, Takafumi, Ube Industries, Ltd.; MORIKAMI, Atsushi, Ube Industries, Ltd. |
Disclosed is a polymerizable composition comprising Component (a): a polythiocarbonate polythiol, Component (b): an episulfide compound, and optionally Component (c): an organic compound having a functional group that is reactive to the episulfide compound. The polymerizable composition can be cured to provide a polythioether having excellent optical properties (a high refractive index and a high Abbe's number) as well as excellent mechanical properties (a high bending distortion and a high glass transition temperature) and thus exhibiting excellent properties as an optical material |
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147 | POLYTHIOCARBONATE POLY(THIO)EPOXIDE | EP06822515.0 | 2006-10-27 | EP1944329A1 | 2008-07-16 | WATANABE, Masanori; HIRAKAWA, Takafumi; MORIKAMI, Atsushi; NAKAMOTO, Yasushi |
Disclosed is a polythiocarbonate poly(thio)epoxide in which a hydrogen atom in a mercapto group of a polythiocarbonate polythiol is substituted with a (thio)epoxy-containing group. By using this compound as a starting material, there can be obtained a polythioether or a sulfur-containing polyether having, in addition to excellent optical properties (a high refractive index and a high Abbe's number), excellent mechanical properties (a high bending distortion) and a high glass transition temperature. |
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148 | ASSOCIATIVE THICKENERS FOR AQUEOUS SYSTEMS | EP05791718.9 | 2005-08-18 | EP1778611A2 | 2007-05-02 | LAI, John Ta-Yuan; HSU, Shui-Jen Raymond |
Thiocarbonate compounds which, in one embodiment, are utilized as a rheology modifier or associative thickener. The thiocarbonate compounds thicken or increase the viscosity of a composition, preferably an aqueous composition when used in an effective amount. In one preferred embodiment, the thiocarbonate compounds include at least one hydrophilic group containing repeat unit such as derived from acrylic acid, and at least one hydrophobic group to enhance association with other compounds and thus increase viscosity of a composition. Aqueous composition comprising a latex and thiocarbonate associative thickeners are described. | ||||||
149 | SILOXANE DERIVATIVES OF 1,3-OXATHIOLANE-2-THIONES, THEIR PREPARATION AND USE THEREOF | EP04763950.5 | 2004-08-10 | EP1654300A2 | 2006-05-10 | UENISHI, Kazuya; SUDO, Atsushi; MORIKAWA, Hiroshi; LAMMERSCHOP, Olaf; HUVER, Thomas; ENDO, Takeshi; GENTSCHEV, Pavel |
The present invention relates to, 1,3-oxathiolane-2-thione compounds of the general formula (I): wherein R1 and R2 are the same or different, each of which denotes a straightchain or branched alkoxy residue with 1 to 6 carbon atoms or an aryloxy or aralkyloxy residue, R3 is different or the same as R1 or R2 or an aliphatic residue, an amino residue, a halogen residue, an aromatic or heteroaromatic residue, or an araliphatic or heteroaraliphatic residue, R4 is a bridging group selected from the groups consisting of aliphatic, heteroaliphatic, araliphatic, heteroaraliphatic, aromatic and heteroaromatic groups and R5 is hydrogen, an aliphatic, heteroaliphatic, araliphatic, heteroaraliphatic, aromatic, heteroaromatic, cycloaliphatic or heterocycloaliphatic group or R4 and R5 form a cycloaliphatic, cycloheteroaliphatic, aromatic or heteroaromatic residue, which is optionally substituted with an aliphatic, heteroaliphatic residue serving as a bridging group to the silicone atom and X and Y are different and selected from oxygen and sulfur and mixtures of such compounds. A further objective is to provide a method of production of such compounds, compounds synthesized from the 1,3-oxathiolane2-thiones and their use in a variety of coating and bonding applications. | ||||||
150 | AQUEOUS DISPERSION COMPOSITION | EP97946127.4 | 1997-12-05 | EP0945492A1 | 1999-09-29 | JIMBO, Shinichiro; MATSUSHITA, Shoshiro; SHIMIZU, Ikuo; HOTTA, Iwao; IKUTA, Masanori; ITANI, Izumi |
The present invention provides a composition which is effective for use in paints, adhesives, inks, and the like, comprising an aqueous dispersion of a compound containing at least one 5-membered ring dithiocarbonate group, expressed by the following general formula (I):
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151 | Branched polycarbonates and method of preparation | EP90109854.1 | 1990-05-23 | EP0400478A3 | 1992-02-19 | Krabbenhoft, Herman Otto; Boden, Eugene Pauling |
Branched polycarbonates are prepared by melt equilibration of aromatic cyclic polycarbonate oligomers with a polyhydric phenol having more than two hydroxy groups per molecule, preferably 1,1,1-tris-(4-hydroxyphenyl)ethane, in the presence of a carbonate equilibration catalyst, preferably tetrabutylammonium tetraphenylborate. In an additional embodiment of the invention, a linear aromatic polycarbonate is added to the reaction mixture. Branched polycarbonates prepared according to this invention have high melt strength and high shear sensitivity characteristics and are useful in extrusion and injection molding processing applications and particularly useful in blow molding applications for preparing relatively large articles and panels. |
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152 | Branched polycarbonates and method of preparation | EP90109854.1 | 1990-05-23 | EP0400478A2 | 1990-12-05 | Krabbenhoft, Herman Otto; Boden, Eugene Pauling |
Branched polycarbonates are prepared by melt equilibration of aromatic cyclic polycarbonate oligomers with a polyhydric phenol having more than two hydroxy groups per molecule, preferably 1,1,1-tris-(4-hydroxyphenyl)ethane, in the presence of a carbonate equilibration catalyst, preferably tetrabutylammonium tetraphenylborate. In an additional embodiment of the invention, a linear aromatic polycarbonate is added to the reaction mixture. Branched polycarbonates prepared according to this invention have high melt strength and high shear sensitivity characteristics and are useful in extrusion and injection molding processing applications and particularly useful in blow molding applications for preparing relatively large articles and panels. |
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153 | CROSSLINKABLE POLYCYCLIC POLYCARBONATE OLIGOMERS AND METCROSSLINKABLE POLYCYCLIC POLYCARBONATE OLIGOMERS AND METHODS FOR THEIR PREPARATION AND USE HODS FOR THEIR PREPARATION AND USE | EP86115746 | 1986-11-12 | EP0224769A3 | 1988-10-26 | SHANNON, THOMAS GERARD; BRUNELLE, DANIEL JOSEPH |
154 | Cyclic polycarbonate oligomers and methods for their preparation and use | EP85105709.1 | 1985-05-09 | EP0162379A1 | 1985-11-27 | Brunelle, Daniel Joseph; Evans, Thomas Lane; Shannon, Thomas Gerard; Williams, David Alan |
Cyclic polycarbonate (thiol analog) oligomer mixtures are prepared by the reaction of bishaloformates or their thio analogs or mixtures thereof with dihydroxy or dimercapto compounds, with alkali metal hydroxides and various amines. The oligomer mixtures may be converted to polycarbonates or their thiol analogs by a method which is particularly adaptable to integration with polycarbonate processing operations. |
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155 | PROCESS FOR PRODUCTION OF 3-MERCAPTOPROPIONIC ACID OR SALT THEREOF | EP10769529 | 2010-04-30 | EP2426210A4 | 2016-12-21 | ARAKI TADASHI; FURUYA MASAYUKI; HAYASHI HIDETOSHI |
156 | S-(ALPHA,ALPHA'-DISUBSTITUTED-ALPHA"-ACETIC ACID) SUBSTITUTED DITHIOCARBONATE DERIVATIVES FOR CONTROLLED RADICAL POLYMERISATIONS, PROCESS AND POLYMERS MADE THEREFROM | EP03773311.0 | 2003-10-21 | EP1554241B1 | 2015-03-18 | LAI, John, Ta-Yuan |
157 | METHOD FOR PRODUCING COMPOSITION FOR OPTICAL MATERIAL | EP13742825.6 | 2013-01-30 | EP2810972A1 | 2014-12-10 | AOKI Takashi; ISHIZUKA Hirohito; KOSHIISHI Eiji; TAKEUCHI Motoharu |
According to the present invention, a composition for optical material, which is capable of providing a homogeneous optical material, can be prepared through pre-polymerization reaction between (a) an inorganic compound having a sulfur atom and (b) an episulfide compound using a hindered amine as a catalyst, followed by mixing with (c) a polythiol compound and (d) a polyisocyanate compound. Moreover, this composition for optical material can be polymerized and cured to thereby provide an optical material having high refractive index (ne of 1.73 or higher), high strength (an elongation of 13% or more in three-point bend test and good drilling resistance), and high heat resistance (a softening point of 70°C or higher, as measured by TMA). |
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158 | POLYTHIOURETHANE | EP05738542.9 | 2005-04-28 | EP1743912B1 | 2011-03-09 | WATANABE, Masanori, c/o Ube Lab., Corporate R & D; WATANABE, Masahiko, c/o Ube Lab., Corporate R & B; MORIKAMI, Atsushi, c/o Ube Lab., Corporate R& D; HIRAKAWA, Takahumi, c/o Tokyo Head Office |
Disclosed is a polythiourethane having high refractive index and low dispersibility which is obtained through a reaction between a polythiol component containing one or more polythiocarbonate polythiol (preferably one having a -(CO-S-R-S)- structure (wherein R represents a divalent hydrocarbon group) and a number average molecular weight of 200-2,500) and a polyisocyanate component containing a polyisocyanate and/or a polyisothiocyanate. This polythiourethane is useful for plastic lenses, prisms, optical fibers, substrates for information recording, colored filters, infrared absorbing filters and the like. | ||||||
159 | Hydroxyl-terminated thiocarbonate containing compounds, polymers, and copolymers, and polyurethanes and urethane acrylics made therefrom | EP10185295.2 | 2005-07-18 | EP2272884A2 | 2011-01-12 | Lai, John, Ta-Yuan; Shea, Ronald P. |
Carboxylate terminated thiocarbonates are reacted with a polyfunctional alcohol to form a hydroxyl-terminated thiocarbonate compound. |
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160 | Hydroxyl-terminated thiocarbonate containing compounds, polymers, and copolymers, and polyurethanes and urethane acrylics made therefrom | EP10185275.4 | 2005-07-18 | EP2270061A2 | 2011-01-05 | Lai, John, Ta-Yuan; Shea, Ronald P. |
Carboxylate terminated thiocarbonates are reacted with a polyfunctional alcohol to form a hydroxyl-terminated thiocarbonate compound. |