Patent application number | Description | Published |
20080221362 | Optically-active bis(alkynylphosphino) ethane-borane derivative and process for producing the same - An optically-active bis(alkynylphosphino)ethane-borane derivative represented by formula (1): | 09-11-2008 |
20090030200 | PROCESS OF PREPARING OPTICALLY ACTIVE ALLYL COMPOUND - Disclosed is a process of preparing an optically active allyl compound comprising asymmetrically coupling an allyl compound with an organic nucleophilic compound in the presence of a catalyst. The catalyst is preferably a transition metal complex compound having a phosphine ligand. The phosphine ligand is preferably a 2,3-bis(dialkylphosphino)pyrazine derivative. The pyrazine derivative is preferably a quinoxaline derivative. The transition metal is preferably palladium. | 01-29-2009 |
20090030231 | PROCESS OF PREPARING OPTICALLY ACTIVE B-HYDROXYCARBOXYLIC ACID DERIVATIVE - Disclosed is a process of preparing an optically active β-hydroxycarboxylic acid derivative comprising asymmetrically hydrogenating a β-keto compound in the presence of a catalyst comprising a transition metal complex compound having a 2,3-bis(dialkylphosphino)pyrazine derivative as a ligand. The pyrazine derivative is preferably a quinoxaline derivative, and the transition metal is preferably ruthenium. Preferred examples of the quinoxaline derivative are (S,S)-2,3-bis(tert-butylmethylphosphino)quinoxaline, (R,R)-bis(tert-butylmethylphosphino)quinoxaline, (S,S)-bis(tert-adamantylmethylphosphino)quinoxaline, and (R,R)-bis(adamantylmethylphosphino)quinoxaline. | 01-29-2009 |
20090163652 | THERMOSETTING RESIN COMPOSITION AND USE THEREOF - A thermosetting resin composition containing a silsesquioxane derivative represented by the formula (1), cyclohexane-1,3,4-tricarboxylic 3,4-anhydride, and another acid anhydride, a cured material obtained by thermally curing the composition: | 06-25-2009 |
20110178313 | POLYSILOXANE COMPOUND AND METHOD OF PRODUCING THE SAME - A polysiloxane represented by the formula (1) or (2): | 07-21-2011 |
20120208973 | POLYSILOXANE COMPOUND AND METHOD OF PRODUCING THE SAME - A polysiloxane represented by the formula (1) or (2): | 08-16-2012 |
20130320264 | HARDENING RESIN COMPOSITION AND COLOR CONVERSION MATERIAL USING THE SAME - The invention provides a resin composition having an excellent dispersibility of a phosphor, and when the resin composition is processed and used as a color conversion material, to give a hardened material having a high heat resistance, resistance to thermal yellowing, light resistance, transparency and refractive index, and an excellent adhesion to allow color conversion of light emitted from an optical semiconductor stably and without a flare spot over a long period of time. The invention also relates to a hardening resin composition having at least one of epoxy and oxetanyl. | 12-05-2013 |
20140275463 | ORGANOSILICON COMPOUND AND PRODUCTION PROCESS FOR THE SAME, AND POLYSILOXANE AND PRODUCTION PROCESS FOR THE SAME - The present invention provides a novel organosilicon compound and polysiloxane which are useful as electronic materials, optical materials, coating materials, sealing materials and catalyst carriers and which can be used as additives for improving various physical properties such as flame retardancy, heat resistance, weatherability, light resistance, electric insulating property, a surface characteristic, hardness, a mechanical strength and a chemical resistance of a polymer material. That is, the present invention relates to an organosilicon compound represented by Formula (1) and polysiloxane comprising the above organosilicon compound as a monomer: | 09-18-2014 |