Patents
Patents for C07D 323 - Heterocyclic compounds containing more than two oxygen atoms as the only ring hetero atoms (1,581)
08/2013
08/21/2013CN103254204A Icotinib hydrochloride crystal form pharmaceutical composition and purpose
08/20/2013US8513188 Formulations comprising cyclic compounds
08/14/2013CN102350070B Reaction distillation apparatus for preparing trioxymethylene and method thereof
07/2013
07/03/2013CN102344435B Method for separating and purifying crown ether stereoisomer
07/03/2013CN102336737B Method for catalytically reducing alkyl-substituted benzocrown ether with Pichler ruthenium
07/02/2013US8476458 Methods and compositions for modulating P300/CBP activity
06/2013
06/12/2013CN103154723A Separating agent for chromatography
06/11/2013US8460583 Electroactive materials
06/05/2013EP2599779A1 Dispiro 1,2,4-trioxolane antimalarials
06/05/2013CN102584783B Method for preparing acetone peroxide trimer
06/05/2013CN102532095B Preparation method for acetone peroxide dimer
05/2013
05/30/2013WO2013076292A1 Process for the production of trioxane from aqueous formaldehyde sources
05/30/2013WO2013076291A1 Process for recycling polyacetals
05/30/2013WO2013076290A1 Process for producing a cyclic acetal in a heterogeneous reaction system
05/30/2013WO2013076289A1 Process for recycling a formaldehyde source during a polymerization process
05/30/2013WO2013076288A1 Integrated process for producing cyclic acetals and oxymethylene polymers
05/30/2013WO2013076287A1 Process for producing a cyclic acetal
05/30/2013WO2013076286A1 Process for the production of trioxane
05/28/2013US8450507 Integrated method for the preparation of trioxane from formaldehyde
05/28/2013CA2592418C Process for preparing trioxepane composition and use thereof in crosslinking polymers
04/2013
04/25/2013US20130102797 Co-Crystal Compound, Method for Preparing the Same and Oxidant of Gas Generator Propellant
04/24/2013CN101903430B Method for the production of polyoxymethylene homopolymers or copolymers by homopolymerizing or copolymerizing trioxane, starting from methanol
04/18/2013WO2013055781A1 Stabilized levulinic ester ketals
04/18/2013CA2851524A1 Stabilized levulinic ester ketals
04/17/2013CN102040584B Synthesis method of dicyclohexyl-18-crown-6
04/11/2013WO2013051531A1 Novel anti-hcv agent
04/03/2013CN103012362A Preparation method of diamidodibenzo-18-crown ether-6 bonded silica gel stationary phase and intermediate thereof
04/03/2013CN103012361A Supramolecular polymer material constructed by doubly bridging sulfonated calixarenes and preparation thereof
03/2013
03/28/2013WO2013042343A1 Method for recovering cyclic polyphenylene ether ether ketone composition and method for producing polyphenylene ether ether ketone using same
03/28/2013US20130079406 Therapeutic compositions
03/27/2013CN102993162A Betti alkaline crown ether supramolecular compound and synthesis method thereof
03/20/2013CN102977071A Preparation method of 3,6,9-triethyl-3,6,9-trimethyl-1,4,7-triperoxynonane
03/19/2013US8399689 Chrysophaentin antimicrobial compounds that inhibit FtsZ protein
03/12/2013US8395041 Photoelectric conversion element and solor cell
02/2013
02/06/2013CN101928275B Preparation technology of 4'4'' (5'')-di-tert-butyl-di-benzo-18-crown-6
01/2013
01/30/2013CN101918388B Method for the production of crude trioxane
01/29/2013US8362169 Acrylate ester derivatives and polymer compounds
01/23/2013CN101466696B Integrated method for the preparation of trioxane from formaldehyde
01/16/2013CN102875525A Preparation method of 4-(hydroxymethyl) benzo 15-crown-5
01/16/2013CN102875524A Preparation method of 4'-formylbenzo 15-crown-5
01/08/2013US8350063 Method for separating tioxane from a trioxane/formaldehyde/water mixture by means of pressure change rectification
01/08/2013US8349502 Additive for non-aqueous electrolyte and secondary battery using the same
01/03/2013WO2013001763A1 Method for producing polyphenylene ether ether ketone
01/01/2013US8343450 Functionalized carbon nanotubes, recovery of radionuclides and separation of actinides and lanthanides
12/2012
12/27/2012US20120330033 Production of cyclic acetals or ketals using liquid-phase acid catalysts
12/27/2012US20120330032 Production of cyclic acetals or ketals using solid acid catalysts
11/2012
11/29/2012US20120301401 Orthoester derivatives of crown ethers as carriers for pharmaceutical and diagnostic compositions
11/22/2012US20120294845 Method of making a polymer preferably an (alkyl) acryloyl polycarbonate, the polymer and (alkyl) acryloyl polycarbonate obtained, and a biodevice comprising same
11/21/2012CN101107297B Process for preparing trioxepane composition and use thereof in crosslinking polymers
11/07/2012CN102770421A Orthoester derivatives of crown ethers as carriers for pharmaceutical and diagnostic compositions
10/2012
10/17/2012CN102731470A Synthetic method of trioxymethylene
10/10/2012EP2508518A1 Cyclic polyphenylene ether ether ketone composition and method for producing the same
10/10/2012CN102718740A Trioxymethylene crystallization method
10/03/2012EP2504327A1 Orthoester derivatives of crown ethers as carriers for pharmaceutical and diagnostic compositions
10/03/2012CN102702167A Method for removing formic acid online in the process of trioxymethylene synthesis
09/2012
09/06/2012US20120226031 Palmarumycin based inhibitors of thioredoxin and methods of using same
09/05/2012CN202410599U Trioxymethylene crystal processing system
09/05/2012CN101659652B Method for preventing blockage of trioxymethylene reactor and system
08/2012
08/29/2012CN102652133A Cyclic polyphenylene ether ether ketone composition and method for producing the same
08/22/2012CN102643265A Preparation method of trioxymethylene
08/22/2012CN102643264A Synthesizing method of trioxymethylene
08/15/2012CN102633770A Method and device for removing light components in trioxymethylene
08/15/2012CN102633769A Method and device for producing trioxymethylene
08/09/2012US20120202988 Process for the preparation of rapamycin derivatives
08/02/2012WO2012102061A1 Method for synthesizing compound, polymer compound and cyclic compound
08/01/2012CN202359053U Device for reducing benzene consumption in polyformaldehyde production process
07/2012
07/31/2012US8232417 Artemisinin derivatives with natural amino acids, peptides, and amino sugars for skin imperfections and infection in mammals
07/18/2012CN102584783A Method for preparing acetone peroxide trimer
07/18/2012CN102584782A Method for preparing acetone peroxide tetramer
07/17/2012US8222435 Dioxolane and dioxane derivatives and a process for their preparation
07/12/2012US20120178944 Process for the preparation of 1, 2, 4-trioxolane antimalarials
07/11/2012CN102558137A Processing method and processing system of trioxymethylene crystal
07/11/2012CN102558136A Synthetic method of amino-substituted cyclohexyl crown ether
07/05/2012WO2012027573A3 Biodegradable shape memory polymer
07/04/2012CN102532095A Preparation method for acetone peroxide dimer
07/04/2012CN102532094A Preparation method and detection method for peroxidated hydrocarbon compound
07/04/2012CN101588851B Method for separating trioxane from a trioxane/formaldehyde/water mixture by means of pressure change rectification
07/03/2012US8211612 Fluorine-containing polymer coating composition, method for forming fluorine-containing polymer film using coating composition, and method for forming photoresist or lithographic pattern
06/2012
06/27/2012CN102516222A Method for preparing cyclohexyl crown ether by catalytic hydrogenation of carbon supported ruthenium catalyst
06/27/2012CN101341119B Higher fatty acid triester and amide derivative having diethylenetriamine-type metal chelate structure
06/26/2012US8207357 Rotaxane compound and antitumor agent
06/21/2012WO2012057438A3 Method for preparing 1,3,5-trioxane
06/21/2012WO2012057437A3 Method for preparing 1,3,5-trioxane
06/06/2012CN1545508B 1,2,4-trioxolane antimalarials
06/06/2012CN101522188B Anti-cancer agent
06/05/2012US8193376 Artemisinin derivatives with natural amino acids, peptides, and amino sugars for the treatment of infection and topical condition in mammals
06/05/2012CA2413852C Synthesis of functionalized and unfunctionalized olefins via cross and ring-closing metathesis
05/2012
05/31/2012WO2012069859A1 Fluorescent dyes sensitive to sodium ions and optionally to potassium ions, process for their preparation and their use
05/23/2012CN101519399B Aromatic ring-shaped polyether-ketone oligomer and preparation method thereof
05/15/2012US8178701 Glycerol levulinate ketals and their use
05/15/2012US8178700 Method of preparing cyclic carbonates, cyclic carbamates, cyclic ureas, cyclic thiocarbonates, cyclic thiocarbamates, and cyclic dithiocarbonates
05/09/2012CN202212185U Reaction distillation device for preparing trioxymethylene
05/03/2012WO2012057438A2 Method for preparing 1,3,5-trioxane
05/03/2012WO2012057437A2 Method for preparing 1,3,5-trioxane
05/02/2012CN102439002A A process for the preparation of 1, 2, 4-trioxolane antimalarials
04/2012
04/26/2012WO2012053444A1 Organic compound having cyclic structure
04/26/2012US20120100566 Chemiluminescent compositions, methods, assays and kits for oxidative enzymes
04/26/2012CA2814378A1 Antimicrobial polyether and polyol compounds
04/25/2012CN102424677A 一种核废液萃取剂及其制备方法 , A nuclear waste extraction and preparation method
04/19/2012WO2012050124A1 Separating agent for chromatography
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