| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 549513000 |
Processes
| 420 |
| 549554000 |
Chalcogen attached indirectly to the hetero ring by nonionic bonding
| 9 |
| 549543000 |
Polycyclo ring system having the hetero ring as one of the cyclos
| 6 |
| 549551000 |
Nitrogen attached indirectly to the hetero ring by nonionic bonding | 5 |
| 20150025257 | DOCOSAHEXAENOYL ETHANOLAMIDES - The invention describes novel mono or dihydroxy docosahexaenoic acid (DHA) analogues, their preparation, isolation, identification, purification and uses thereof. | 01-22-2015 |
| 20100099898 | Processes and Intermediates For Preparing Benzyle Epoxides - Disclosed are intermediates and processes for preparing epoxides of the formula: | 04-22-2010 |
| 20130116457 | CLEAN, HIGH-YIELD PREPARATION OF S,S AND R,S AMINO ACID ISOSTERES - The present invention provides compounds and methods that can be used to convert the intermediate halomethyl ketones (HMKs), e.g., chloromethyl ketones, to the corresponding S,S- and R,S-diastereomers. More particularly, the present invention provides: (1) reduction methods; (2) inversion methods; and (3) methods involving the epoxidation of alkenes. Using the various methods of the present invention, the R,S-epoxide and the intermediary compounds can be prepared reliably, in high yields and in high purity. | 05-09-2013 |
| 20090275765 | 2-Nitratoethyl Oxirane, Poly (2-Nitratoethyl Oxirane) And Preparation Method Thereof - A synthesis of an energetic prepolymer used as a high-energy binder for an insensitive and high performance explosive is disclosed. More specifically, provided are a novel compound 2-nitratoethyl oxirane expressed by formula III, a novel compound poly(2-nitratoethyl oxirane) expressed by formula IV, obtained by polymerization of 2-nitratoethyl oxirane used as a monomer and a preparation method thereof. The compound, used as an energetic prepolymer and a monomer for preparation thereof can substitute for existing poly(glycidyl nitrate) (PGN) which has been known to be a promising one having the best performance among existing energetic prepolymers, but which has a problem to be self-decomposed after synthesis of polyurethane elastomer, to solve this problem. | 11-05-2009 |
| 20170233357 | PHENOLIC EPOXY COMPOUNDS | 08-17-2017 |
| 549563000 |
Halogen attached indirectly to the hetero ring by nonionic bonding | 3 |
| 20110137056 | Chemical Process For Preparation Of Intermediates - The present invention relates to compounds useful as pharmaceutical intermediates, to processes for preparing the intermediates, to intermediates used in the processes, and to the use of the intermediates in the preparation of pharmaceuticals. In particular, the present invention concerns enantiomerically pure trans-cyclopropane carboxylic acid derivatives, processes for preparing the carboxylic acid derivatives and their use in preparing pharmaceuticals. | 06-09-2011 |
| 20120136167 | Processes For The Preparation Of Optically Active Intermediates - This invention relates to processes for the production of optically active 2-(disubstituted aryl)cyclopropylamine compounds and optically active 2-(disubstituted aryl) cyclopropane carboxamide compounds which are useful intermediates for the preparation of pharmaceutical agents, and in particular the compound [1S-(1α,2α,3β(1S*,2R*),5β]-3-[7-[2-(3,4-difluorophenyl)-cyclopropyl]amino]-5-(propylthio)-3H-1,2,3-triazolo[4,5-d]pyrimidin-3-yl)-5-(2-hydroxyethoxy)-cyclopentane-1,2-diol. | 05-31-2012 |
| 20140243538 | PRETREATED EPOXIDATION CATALYST AND A PROCESS FOR PRODUCING AN OLEFIN THEREWITH - A pretreated titanium silicalite with MFI structure (TS-1) catalyst which has been pretreated with methanol, and then optionally filtered and optionally air-dried to form a pretreated activated TS-1 catalyst. The activated TS-1 may be used in an epoxidation reaction with no additional methanol added and has equivalent activity to TS-1 used with large excesses of methanol. By removing the need for additional methanol during the reaction, the losses of epichlorohydrin from solvolysis are minimized significantly. | 08-28-2014 |
| 549548000 |
Having -C(=X)-, wherein X is chalcogen, bonded directly to the hetero ring | 2 |
| 20090312563 | SALT OF (2S, 3S)-3-[[ (1S)-1-ISOBUTOXYMETHYL-3-METHYLBUTYL] CARBAMOYL] OXIRANE-2-CARBOXYLIC ACID - The invention relates to purification of (2S,3S)-3-[[(1S)-1-isobutoxymethyl-3-methylbutyl]carbamoyl]oxirane-2-carboxylic acid [hereinafter, referred to as the carboxylic acid] using the salt of the carboxylic acid with an organic amine selected from the group consisting of piperazine, adamantane amines and others. The invention also relates to providing crystalline sodium salt of the carboxylic acid. The sodium salt is usable as a material for preparing medicaments and improved in storage stability, and has the following characteristics:
| 12-17-2009 |
| 20130131359 | PROCESSES AND INTERMEDIATES FOR PREPARING STERIC COMPOUNDS - This invention relates to processes and intermediates for the preparation of an alpha-amino beta-hydroxy acid of Formula 1 | 05-23-2013 |
| 549550000 |
Cyano, nitrogen, or halogen bonded directly to the hetero ring | 1 |
| 20080221343 | Novel hydrazone-based and oxime-based fluorescent and chromophoric/pro-fluorescent and pro-chromophoric reagents and linkers - Conjugationally extended hydrazine compositions of the formula (RR | 09-11-2008 |
| Entries |
| Document | Title | Date |
|---|
| 20090171106 | Novel hybride materials and related methods and devices - The invention provides devices and methods for end and side derivatization of carbon nanotubes. Also facile methods to attach moieties and nanoparticles on the side walls and both ends are described. The invention provides hybide materials for analytical, and optoelectronic purposes as well as materials applications. Materials have improved properties in the areas of tensile, electrical and thermal conductivity. | 07-02-2009 |
| 20090318717 | Novel hybride materials and related methods and devices - The invention provides devices and methods for end and side derivatization of carbon nanotubes. Also facile methods to attach moieties and nanoparticles on the side walls and both ends are described. The invention provides hybide materials for analytical, and optoelectronic purposes as well as materials applications. Materials have improved properties in the areas of tensile, electrical and thermal conductivity. | 12-24-2009 |
| 20100113807 | SOLID PHASE REACTION SYSTEM FOR OXIDATION - A solid phase reaction system for oxidation of an organic compound, | 05-06-2010 |
| 20100267971 | Stabilization And Hydrogenation Methods For Microbial-Derived Olefins - Processes and systems for stabilization and subsequent hydrogenation of an immiscible olefin are described. In certain embodiments, the hydrogenation is conducted in a fixed bed reactor in presence of a hydrogenation catalyst. | 10-21-2010 |
| 20100305341 | PRODUCTION OF STEROLS IN OLEAGINOUS YEAST AND FUNGI - The present invention provides methods for production of one or more sterol compounds. Further provided are methods and systems for producing engineered oleaginous yeast or fungi that are capable of production of one or more sterol compounds, and compositions which utilize the produced sterol compound(s). | 12-02-2010 |
