Patent application number | Description | Published |
20080200697 | Process for the preparation of 1-aryl-3,4-dihydro-1H-naphthalene-2-one - 1-aryl-3,4-dihydro-1H-naphthalene-2-one is prepared by isomerizing an epoxy compound represented by the following general formula, | 08-21-2008 |
20120161089 | CHROMENE COMPOUND - A chromene compound having a skeleton represented by the following formula (1) and exhibiting double peak characteristic: | 06-28-2012 |
20120170098 | CHROMENE COMPOUND - A photochromic chromene compound having an indeno(2,1-f)naphtho(1,2-b)pyran structure as its basic skeleton, an aryl group or a heteroaryl group at the 6-position carbon atom of the structure and an electron donor group having a Hammett constant σ | 07-05-2012 |
20120228567 | URETHANE (METH) ACRYLATE MONOMER AND PRODUCTION PROCESS THEREOF - A process of producing a urethane (meth)acrylate monomer having a low acid value and a low content of a hardly soluble high-molecular weight impurity which is crosslinked high-dimensionally, comprising the steps of:
| 09-13-2012 |
20120270071 | CHROMENE COMPOUND - A chromene compound having a skeleton represented by the following formula (1) and exhibiting double peak characteristic: | 10-25-2012 |
20130015416 | PHOTOCHROMIC CURABLE COMPOSITIONAANM Takenaka; JunjiAACI Shunan-shiAACO JPAAGP Takenaka; Junji Shunan-shi JPAANM Momoda; JunjiAACI Shunan-shiAACO JPAAGP Momoda; Junji Shunan-shi JP - A photochromic curable composition comprising 100 parts by mass of polymerizable monomers which include 70 to 100 mass % of polymerizable monomers having two to four (meth)acrylic groups and 0 to 30 mass % of a polymerizable monomer having one (meth)acrylic group and 0.01 to 20 parts by mass of a photochromic compound, wherein
| 01-17-2013 |
20140030529 | CHROMENE COMPOUND - A chromene compound which develops a color of a neutral tint and has high color optical density, high fading speed and excellent durability and a photochromic curable composition comprising the chromene compound and polymerizable monomers. | 01-30-2014 |
20140034884 | CHROMENE COMPOUND - A chromene compound which develops a color of a neutral tint and has little initial coloration, high double peak characteristic and high color development sensitivity, rarely experiences the reduction of color optical density though it has high fading speed, is excellent in the durability of photochromic properties and can dissolve in a monomer composition which will become a substrate for optical articles in a high concentration, and a photochromic curable composition comprising the chromene compound and polymerizable monomers. | 02-06-2014 |
20140054520 | CHROMENE COMPOUND - A novel photochromic compound which develops a color of a neutral tint and has high color optical density, high fading speed and excellent durability. | 02-27-2014 |
20140146285 | PHOTOCHROMIC CURABLE COMPOSITION - A photochromic curable composition comprising, | 05-29-2014 |
20140203226 | (METH)ACRYLATE COMPOUND AND PHOTOCHROMIC CURABLE COMPOSITION CONTAINING THE (METH)ACRYLATE COMPOUND - A photochromic curable composition that contains a (meth)acrylate compound represented by the following formula (1-X1); | 07-24-2014 |
20150030866 | PHOTOCHROMIC CURABLE COMPOSITION - A photochromic curable composition containing, as a radically polymerizable monomer component (A), a (meth)acrylic-amide polymerizable monomer (A1) having 2 to 6 (meth)acryloyloxy groups and 2 to 6 divalent amide groups (—NHCO—), and a non-amide polymerizable monomer (A2) having at least 3 radically polymerizable groups but having no amide bond. From the photochromic composition, there can be obtained a photochromic cured body having excellent photochromic properties such as a high color density, a high fading rate, and excellent mechanical strength. | 01-29-2015 |