Patents
Patents for C07C 66 - Quinone carboxylic acids (322)
08/2014
08/19/2014US8809555 Anti-leishmanial compound and anti-leishmanial drug
08/13/2014CN102603575B 大精酸共晶物、其制备方法、纯化方法及其在制备治疗糖尿病并发症药物中的应用 Big fine acid eutectic composition, its preparation and purification method and its application in the manufacture of a medicament for the treatment of diabetic complications
08/06/2014CN103965062A 水溶性大黄酸及其衍生物的胆碱盐、其制备方法及其在医药上的应用 Rhein-soluble choline salts and derivatives, their preparation and their use in medicine
07/2014
07/09/2014CN102264683B 制备非基因毒性二乙酰大黄酸(双醋瑞因)的方法以及包含非基因毒性二乙酰大黄酸的制剂 Preparing a non-genotoxic diacetyl rhein (diacerein) method and comprising a non-genotoxic diacetyl rhein formulations
05/2014
05/08/2014US20140128398 Compounds, compositions and methods for treating oxidative dna damage disorders
04/2014
04/30/2014CN101898962B Rhein crystal B-type solid matter, preparation method and use
04/03/2014US20140094608 Modified carbocyanine dyes and their conjugates
04/02/2014CN103694114A Synthetic method of rhein
12/2013
12/24/2013US8614302 Modified carbocyanine dyes and their conjugates
12/04/2013EP2668946A1 Anti-leishmanial compound and anti-leishmanial drug
11/2013
11/06/2013CN101918349B Process for the preparation of diacerin
11/06/2013CN101786952B Anthraquinone compound and preparation method and medical application of lysine salt thereof
10/2013
10/30/2013CN102225896B Ether derivatives of rhein and their therapeutic use
10/29/2013US8569506 Modified carbocyanine dyes and their conjugates
09/2013
09/25/2013CN103319479A Rheinic acid berberine ion pair compound, preparation method and applications
09/19/2013US20130245288 Anti-leishmanial compound and anti-leishmanial drug
08/2013
08/14/2013CN101928215B Method for refining seratrodast
03/2013
03/19/2013CA2586260C Process for preparing aloe-emodin
02/2013
02/13/2013CN102924270A Method for extracting rhein from rheum
01/2013
01/31/2013US20130030050 Treatment of osteoporosis
01/16/2013CN102875369A Novel synthesis method for rhein
01/16/2013CN101823957B Method for synthesizing 2-carboxyl anthraquinone by using dichromic acid to oxidize 2-ethyl anthraquinone
01/03/2013WO2011099834A3 Procedure for the purification of crude diacerein via potassium salt/dimethylformamide
01/03/2013US20130004836 Electrode active material for electricity storage device, and electricity storage device using same
11/2012
11/15/2012US20120288871 Modified Carbocyanine Dyes and Their Conjugates
11/07/2012EP2520562A1 Anti-leishmania compound and anti-leishmania drug
08/2012
08/28/2012US8252932 Modified carbocyanine dyes and their conjugates
07/2012
07/25/2012CN102603575A Rhein-arginine eutectic compound, and preparation method, purification method and application thereof in preparation of medicines for treating diabetic complications
04/2012
04/19/2012US20120090995 Device for detecting an analyte
04/11/2012CN101056839B 制备芦荟大黄素的方法 The method of preparation of Aloe
03/2012
03/22/2012US20120070492 Rhein or diacerein compositions
02/2012
02/01/2012CN101508643B 一种大黄酸的制备方法 One kind of preparation Rhein
01/2012
01/04/2012CN101255121B Preparation technique of lysine rhein and use thereof in tumour therapy
11/2011
11/30/2011CN102264683A 制备非基因毒性二乙酰大黄酸(双醋瑞因)的方法以及包含非基因毒性二乙酰大黄酸的制剂 Preparing a non-genotoxic diacetyl rhein (diacerein) method and comprising a non-genotoxic diacetyl rhein formulations
10/2011
10/26/2011CN102225896A Ether derivatives of rhein and their therapeutic use
09/2011
09/14/2011EP2364287A2 Process for the preparation of non-genotoxic diacetylrhein (diacerein) and formulations comprising non-genotoxic diacetylrhein
07/2011
07/14/2011US20110171678 Modified carbocyanine dyes and their conjugates
05/2011
05/25/2011EP2325263A1 Modified carbocyanine dyes and their conjugates
04/2011
04/19/2011US7927830 Modified carbocyanine dyes and their conjugates
12/2010
12/29/2010CN101928215A Method for refining seratrodast
12/15/2010CN101918349A Process for the preparation of diacerin
12/01/2010CN101898962A Rhein crystal B-type solid matter, preparation method and use
12/01/2010CN101898961A Parietic acid crystal C type solid matter as well as preparation method and application thereof
12/01/2010CN101898960A Rheinic acid crystal type A solid substance and preparation method and application thereof
10/2010
10/26/2010US7820824 As labeling reagents for a variety of biological applications
10/06/2010EP2234953A1 Process for the preparation of diacerin
09/2010
09/08/2010CN101823957A Method for synthesizing 2-carboxyl anthraquinone by using dichromic acid to oxidize 2-ethyl anthraquinone
09/07/2010US7790893 incorporating indolium ring moiety substituted at 3-position improves spectral properties; for detection of ligands; hybridization probes
07/2010
07/28/2010CN101786952A Anthraquinone compound and preparation method and medical application of lysine salt thereof
06/2010
06/16/2010EP2196450A1 Process for the preparation of pure diacetylrhein (diacerein)
06/02/2010CN101139282B 6-substituted anthraquinone-2,3-dicarboxylic acid and method for making same
06/02/2010CN101104583B Technique for preparing diacerein by two-step oxidation process
06/01/2010US7728035 Ester derivatives of rhein and their therapeutic use
04/2010
04/08/2010WO2010000879A3 Process for the preparation of non-genotoxic diacetylrhein (diacerein) and formulations comprising non-genotoxic diacetylrhein
03/2010
03/02/2010US7671214 Modification of the indolium ring to permit a reactive group or conjugated substance at the 3 ring position unexpectedly mitigates the problems of quenching, difficulty in preparing, strong tendency to self-associate (stack); fluorescent dyes; biomarking; uniformity; intensity; photostability
02/2010
02/17/2010EP1809595B1 Process for preparing aloe-emodin
01/2010
01/06/2010EP2139847A1 Novel quinonoid derivatives of cannabinoids and their use in the treatment of malignancies
12/2009
12/22/2009CA2423806C Modified carbocyanine dyes and their conjugates
08/2009
08/19/2009CN101508643A Method of preparing rhein
07/2009
07/28/2009US7566790 Chemically reactive carbocyanine dyes incorporating an indolium ring moiety that is substituted at the 3-position by a reactive group or by a conjugated substance
07/23/2009WO2009090483A1 Process for the preparation of diacerin
07/23/2009CA2709715A1 Process for the preparation of diacerein
07/22/2009EP2079676A1 Salts of dihydroxyanthraquinone carboxylic acids and their therapeutic use
06/2009
06/09/2009US7544438 Quinone derivative; smooth charge transfer between electrode and enzyme biocatalyst; low cost, long term preformance; miniaturization; medical implants
03/2009
03/10/2009CA2209270C Method of preparing substituted anthraquinones and use thereof for preparing rheins
02/2009
02/05/2009US20090035810 Modified carbocyanine dyes and their conjugates
02/05/2009US20090035809 Modified Carbocyanine Dyes and Their Conjugates
01/2009
01/14/2009CN100450990C Method for treating asphalt like slag in preparing rheinic acid and diacerein process with aloe
01/06/2009CA2388957C Aromatic di-keto derivatives as glucose-6-phosphate translocase inhibitors
09/2008
09/12/2008WO2008107878A1 Novel quinonoid derivatives of cannabinoids and their use in the treatment of malignancies
09/03/2008CN101255121A Preparation technique of lysine rhein and use thereof in tumour therapy
08/2008
08/13/2008CN100410283C Resveratrol imprinted polymer preparation and extraction method for resveratrol
08/06/2008CN100408536C Supercritical CO2 extraction process of total rhubarb anthraquinone
07/2008
07/31/2008WO2008090078A1 Method for the synthesis of rhein and derivatives thereof
07/08/2008CA2211939C Process for producing rhein and diacerhein
05/2008
05/15/2008WO2008056156A1 Salts of dihydroxyanthraquinone carboxylic acids and their therapeutic use
05/15/2008CA2669038A1 Salts of dihydroxyanthraquinone carboxylic acids and their therapeutic use
04/2008
04/23/2008EP1913940A1 Rhein conjugates, preparation method thereof and their uses in producing medicines for treating diabetic nephrosis, intestinal adhesion and osteoarthritis
04/23/2008CN100383106C Process for refining rheinic acid
03/2008
03/12/2008CN101139282A 6-substituted anthraquinone-2,3-dicarboxylic acid and method for making same
01/2008
01/16/2008CN101104583A Technique for preparing diacerein by two-step oxidation process
11/2007
11/28/2007CN100351222C Rheinic acid preparing process
10/2007
10/17/2007CN101056839A Process for preparing aloe-emodin
10/04/2007US20070232805 Modified carbocyanine dyes and their conjugates
08/2007
08/09/2007US20070185036 4,5-bis(2-benzyloxyacetyloxy)-9,10-dioxo-9,10-dihydroanthracene-2-carboxylic acid, used as inhibitors of cytokine production and lymphocyte proliferation, for the treatment of inflammatory and autoimmune diseases;
08/02/2007US20070178512 Modified carbocyanine dyes and their conjugates
08/02/2007US20070178511 Modified carbocyanine dyes and their conjugates
07/2007
07/25/2007EP1809595A1 Process for preparing aloe-emodin
07/25/2007EP1322710B9 Modified carbocyanine dyes and their conjugates
06/2007
06/27/2007EP1801165A2 Modified carbocyanine dyes and their conjugates
06/13/2007CN1978473A Resveratrol imprinted polymer preparation and extraction method for resveratrol
05/2007
05/30/2007CN1970525A Process for preparing emodic acid
05/08/2007US7214713 Supplement with anticancer properties with fermentation of carbohydrates with biosynthesis of Penicillum
04/2007
04/05/2007DE20122672U1 Modifizierte Carbocyaninfarbstoffe und deren Konjugate Modified carbocyanine and their conjugates
04/04/2007EP1770129A2 Modified carbocyanine dyes and their conjugates
03/2007
03/28/2007CN1938258A Ester derivatives of rhein and their therapeutic use
03/22/2007WO2002011563A8 Food supplement
02/2007
02/15/2007US20070037992 Method for the purification of crude diacerein by means of toluene
02/01/2007WO2007012254A1 Rhein conjugates, preparation method thereof and their uses in producing medicines for treating diabetic nephrosis, intestinal adhesion and osteoarthritis
01/2007
01/24/2007EP1322710B1 Modified carbocyanine dyes and their conjugates
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