| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 549009000 | The hetero ring has at least seven members | 11 |
| 20090264661 | METHODS FOR PRODUCING CYCLIC PHENOL SULFIDES - The object of the present invention is, in methods for producing cyclic phenol sulfides, to provide methods for producing a number of more macrocyclic products, which comprise the steps of producing a mixture of cyclic phenol sulfides from an inexpensive raw material in one step without inducing the reduction in yield of a cyclic quatromer; and easily separating and purifying a single component from the mixture of cyclic phenol sulfides. | 10-22-2009 |
| 549010000 | Plural ring hetero atoms in the hetero ring | 8 |
| 20080234499 | Synthesising Method and Benzoxathiepine Intermediates - The invention relates to preparing derivatives of formula (1), wherein, in particular R | 09-25-2008 |
| 20090318709 | PROCESS FOR THE SYNTHESIS OF N-[3-[(2-METHOXYPHENYL] SULFANYL] -2-METHYLPROPYL] -3,4-DIHYDRO-2H-1,5-BENZOXATHIEPIN-3-AMINE. - The invention relates to a new process for the preparation of N-[3-[(2-methoxyphenyl)sulfanyl]-2-methylpropyl]-3,4-dihydro-2H-1,5-benzoxathiepin-3-amine. | 12-24-2009 |
| 20120316349 | ACRYLATE ESTER DERIVATIVES AND POLYMER COMPOUNDS - A cyclic alcohol of formula (II-1): | 12-13-2012 |
| 549011000 | Plural ring sulfurs in the hetero ring | 5 |
| 20110009643 | METHOD FOR PRODUCING ACRYLATE DERIVATIVE, ACRYLATE DERIVATIVE, AND INTERMEDIATE THEREOF - Provided are 1) a production process for an acrylic ester derivative capable of being a raw material of a polymer for obtaining a photoresist composition capable of forming a photoresist film which is excellent in a reactivity to acid and a heat stability and is less swollen in developing and which has a refractive index of preferably 1.72 or more in 193 nm and can be patterned, 2) an acrylic ester derivative obtained by the above production process and 3) alcohol and ester which are synthetic intermediates for the above acrylic ester derivative. | 01-13-2011 |
| 20110028737 | METHOD FOR CONTINUOUSLY PRODUCING OXIDIZED CYCLIC PHENOL SULFIDES - The present invention discloses a method for continuously producing an oxidized cyclic phenol sulfide which comprises the continuous steps of reacting a para-alkyl phenol compound as a raw material with 1.7 to 2.5 molar equivalent of sulfur and 0.25 to 0.75 molar equivalent of an alkali metal reagent per 1 mol of the phenol compound (the first step); and oxidizing a cyclic phenol sulfide of the formula (2) produced by the above reaction with an oxidizing agent(s) in the same reactor as that of the first step and without taking the cyclic phenol sulfide out of the reactor; | 02-03-2011 |
| 20120253054 | METHODS FOR PRODUCING OXIDIZED CYCLIC PHENOL SULFIDES - A method for producing an oxidized cyclic phenol sulfide which comprises the step of oxidizing a cyclic phenol sulfide of the following formula (1) as a raw material: | 10-04-2012 |
| 20130005990 | METHOD FOR PRODUCING ACRYLATE DERIVATIVE, ACRYLATE DERIVATIVE, AND INTERMEDIATE THEREOF - Provided are 1) a production process for an acrylic ester derivative capable of being a raw material of a polymer for obtaining a photoresist composition capable of forming a photoresist film which is excellent in a reactivity to acid and a heat stability and is less swollen in developing and which has a refractive index of preferably 1.72 or more in 193 nm and can be patterned, 2) an acrylic ester derivative obtained by the above production process and 3) alcohol and ester which are synthetic intermediates for the above acrylic ester derivative. | 01-03-2013 |
| 20130137881 | METHOD FOR PRODUCING A METHYLENE DISULFONATE COMPOUND - The present invention provides a method for producing a methylene disulfonate compound including reacting, in the presence of an acid and a dehydrating agent, a formaldehyde compound with at least one salt of alkanedisulfonic acid selected from the group consisting of alkali metal salts of alkanedisulfonic acid and alkaline earth metal salts of alkanedisulfonic acid each represented by a specific formula. According to the method of the present invention, a methylene disulfonate compound can be obtained in a simple manner at low cost. | 05-30-2013 |
| 549012000 | Polycyclo ring system having at least three cyclos and having the hetero ring as one of the cyclos | 2 |
| 20140309437 | PROCESS FOR THE PREPARATION OF PHARMACEUTICAL INTERMEDIATES - Process for the preparation of intermediates that are useful in the synthesis of active pharmaceutical ingredients (API), in particular active in the central nervous system. | 10-16-2014 |
| 20150141666 | Low Cost Synthesis of Single Material Bifunctional Nonprecious Catalyst for Electrochemical Devices - A bifunctional catalyst for catalyzing both an oxygen reduction reaction and an oxygen evolution reaction is provided, wherein the catalyst comprises a doped graphene backbone having thiol functional groups. A method for producing a bifunctional catalyst is also provided. | 05-21-2015 |
