Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 551 - 600 out of 2,174

Document Document Title
JPH10513439A  
JP2838126B2  
JP2837620B2  
JP2837715B2  
JPH10330310A
To obtain a new compound exhibiting scavenging activity on a free radical such as active oxygen species and useful as an active compound for a medicine, a cosmetic, etc. A compound of formula I {R1 is on of formula II to V [(m)=1-3; (n)=...  
JP2835986B2  
JP2834655B2  
JP2834606B2  
JP2834607B2  
JP2834605B2  
JPH10324658A
To obtain a new naphthoquinone derivative useful for electrophotographic photoreceptor, useful for an image-forming apparatus such as electrostatic type copying machine, facsimile, laser beam printer, etc. This naphthoquinone derivative ...  
JPH10511976A  
JP2810746B2  
JPH10273469A
To obtain a new compound having excellent mitochondria function- activating action and metabolism resistance and useful as a medicine for treatment of Alzheimer's disease, etc. This compound is represented by formula I (R1 and R2 are eac...  
JP2804302B2  
JPH10251194A
To obtain the subject new compound useful as an electron transporting agent in an electrophotographic photoreceptor. This compound is represented by formula I (X is S or O; Ar1 and Ar2 are each an alkyl or phenyl which may have a substit...  
JPH10251193A
To safely and inexpensively obtain the subject compound having characteristics excellent as an electron transporting agent by oxidizing a hydroquinone derivative with a carbonate of an alkali metal. A hydroquinone derivative of formula I...  
JPH10245358A
To obtain the subject compound in high yield with suppressed formation of by-products in no need of complicated purification procedures after the reaction by oxidizing methylnaphthalene only with dichromic acid with no use of sulfuric ac...  
JPH10231266A
To produce 2-methyl-1,4-benzoquinone useful as a production intermediate of vitamin Ks in high yield by an industrially advantageous method by oxidizing m-cresol by molecular oxygen in the presence of a specific catalyst in a specified s...  
JPH10218829A
To simply and inexpensively obtain the subject high-purity compound by reacting 2,3-epoxy-2,3-dihydro-1,4-naphthoquinone (NQ-oxide for short) with an alkaline compound in the presence of a specific organic solvent and an alcohol. This co...  
JPH10212230A
To obtain the subject inhibitor capable of effectively curing autoimmune diseases, e.g. I type diabetes and chronic arthrorheumatism, by containing a specific dihydroxynaphthoquinone compound as the active ingredient. This inhibitor to i...  
JP2784789B2  
JP2784202B2  
JPH10204076A
To provide a method for readily producing perylene-3,4-dicarboxylic anhydride useful for a coloring agent, etc., without using a transition metal catalyst in a high yield by treating a specific dicarboximide compound with a base, alkylat...  
JPH10175860A
To obtain the subject composition capable of stimulating organs con trolling the secretion of water to the outside of the body, promoting and improv ing water (of Chinese medicine idea) action for promoting the secretion of water in the ...  
JP2765695B2  
JPH10130194A
To enable to efficiently produce a quinone derivative, F-11263, having an excellent sphingomyelinase-inhibiting action in a large amount by a new organic synthetic means in stead of a microorganism-utilizing production method using a spe...  
JPH10128922A
To form panels with an excellent break resisting property relative to breakdown and/or an improved mechanical property. The plate is that when measured by an ISO 527 standard for a plate or film installed in a panel, it has a smooth or m...  
JPH10120614A
To provide a method for industrially and advantageously producing highly pure 2-methyl-1, 4-naphthoquinone hydrogensulfite by a simple operation. This method for producing 2-methyl-1, 4-naphthoquinone hydrogensulfite comprises the first ...  
JP2746997B2  
JP2741626B2  
JP2735609B2  
JPH10503509A  
JP2732906B2  
JP2732109B2  
JP2761178B2
PURPOSE: To obtain a acylated aromatic compound in a high purity and in a high yield in a state little in side reactions by reacting an aromatic compound with an acylating agent in the presence of a Lewis acid catalyst in a nitrile solve...  
JP2725813B2  
JPH10502338A  
JPH10502094A  
JP2717023B2  
JPH1046038A
To obtain an oriented thin film of monoaxially oriented naphthoquinone dye useful in the field of a photoelectric technique and preferably used for optical devices such as polarizer. This thin film is obtained by uniaxially orienting dye...  
JPH1042887A
To obtain a new specific isotetracene compound that has cell adhesion inhibitory action on ICAM-1 participating in T-lymphocyte function manifestation and extravascular infiltration of phlogocytes and is used as an immunosuppressive agen...  
JPH1036296A
To improve the yield of a pure product from crude anthracene by conducting a distillation in two stages. A distillation of crude anthracene is conducted in two stages; in the 1st stage, a fraction of 280-320°C in boiling point at atmosp...  
JP2708126B2  
JPH10500677A  
JP2695225B2  
JP2692769B2  
JPH09315960A
To obtain a Maillard reaction suppressor, capable of exhibiting Maillard reaction-inhibiting activity and having high safety by compounding a kind of cyclic α-hydroxyketone compound. This Maillard reaction suppressor contains a compound...  
JP2687955B2  
JPH09309861A
To obtain a new anthraquinone-based compound 0089, capable of manifesting excellent physiological activities, especially excellent antitumor actions and useful as an antitumor agent or its pharmaceutically permissible salt. This new anth...  

Matches 551 - 600 out of 2,174