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| Number | Title | Issue Date |
| 8119828 | Material for an organic electroluminescence device and an organic electroluminescence device A material for an organic electroluminescence device represented by the following formula (I): wherein X1 is one of divalent groups represented by the following (a) to (e); Y1 to Y4 are inde... | 02/21/2012 |
| 7045263 | Photoreceptor for electrophotography having a salt of an electron transport compound This invention relates to an improved organophotoreceptor that comprises an electrically conductive substrate; a photoconductive element comprising a charge generation compound and a salt of an electron transport compound. In some embodiments, the photoconductive el... | 05/16/2006 |
| 6962758 | Organic light-emitting device using iptycene derivatives An organic light-emitting device (OLED) in which an iptycene derivative is used as the emissive layer and/or one or more of the charge transport layers, or as a host material for one or more of these layers. ... | 11/08/2005 |
| 6379590 | Method for making unsymmetrically substituted fluorenyl compounds for nonlinear optical applications A new method for producing unsymmetrically substituted fluorenyl compounds, one step of which is the preparation of 2,7-disubstituted fluoren-9-one derivatives via the nucleophilic substitution of a compound of the formula D ##STR1## wherein A' is se... | 04/30/2002 |
| 6335454 | Process for preparing 3-(1-hydroxphenyl-1-alkoximinomethyl)dioxazines The present invention relates to a novel process for preparing 3-(1-hydroxyphenyl-1-alkoximinomethyl)dioxazines which are known as intermediates for preparing compounds having fungicidal properties (WO 95-04728). Furthermore, the invention relates to nove... | 01/01/2002 |
| 6153175 | Indanylidene compounds, a process for their preparation and their use as UV absorbers Compounds of the formula I according to claim 1 are excellently suitable as UV absorbers for use in cosmetic products, in particular sunscreen compositions, daytime care products and hair care products. They are furthermore suitable for protection of prod... | 11/28/2000 |
| 5993700 | Aggregrates of substituted (6)helicene compounds that show enhanced optical rotatory power and nonlinear optical response and uses thereof This invention provides an aggregate of a compound capable of forming helical structures such that the aggregate is capable of achieving a specific rotation of at least 100,000° for plane polarized light having a wavelength of 589 nm.... | 11/30/1999 |
| 5478862 | 15,16-seco-19-nor progestins The invention is drawn to 17-oxo-15,16-seco-19-nor steroids which are useful as intermediates in the production of various 15,16-seco-19-nor progestins. These progestins display elevated progestational activity with a minimum of ancillary hormonal activit... | 12/26/1995 |
| 5245028 | Process for preparing tetracyclic amines useful as cerebrovascular agents Processes for the preparation of a series of tetracyclic amines useful in the treatment and/or prevention of cerebrovascular disorders are disclosed.... | 09/14/1993 |
| 5169991 | Compound A compound is a condensate of 1,2,3-trihydroxybenzene with an aldehyde. The condensate is a macrocyclic compound such as a cyclic tetramer. The aldehyde is preferably a long-chain aldehyde such as hexanal, dodecanal or tetradecanal. The condensate can be ... | 12/08/1992 |
| 5140044 | UCN-1028D derivatives A UCN-1028D derivative represented by the formula: ##STR1## has protein kinase C inhibitory activity and is expected to be used as an active ingredient in anti-tumor agents, etc.... | 08/18/1992 |
| 5068394 | Herbicidal (hetero)aryloxynaphthalene derivatives and intermediates therefor Herbicidal (hetero)aryloxynaphthalene derivatives of the formula ##STR1## in which X is N or --C--R5, R1, R2, R4 and R5 are hydrogen or halogen or R1 may be cyano or trifluoromethyl, R... | 11/26/1991 |
| 4948911 | Fluorenone derivatives New chemical compounds are derivatives of fluorenones and are useful as electron-transport agents in electrophotographic elements.... | 08/14/1990 |
| 4904409 | Optically active-1-(2-halogen-substituted-phenyl)-ethanol and its derivative An optically active compound having characteristics necessary for realizing liquid crystal compositions provided with suitable characteristics, particularly a negative temperature characteristic and a very high twistability, and a liquid crystal compositi... | 02/27/1990 |
| 4883898 | Chemiluminescent compounds A new class of chemiluminescent compounds is described which has the ability to emit light which corresponds to the fluorescence of the compounds' breakdown products. This chemiluminescence is stimulated by the energetic decomposition of the chemiluminesc... | 11/28/1989 |
| 4845263 | Layered photoresponsive imaging members with sulfur incorporated dicyanomethylenefluorene carboxylate compositions of matter Disclosed are photoresponsive imaging members comprised of sulfur incorporated dicyanomethylenefluorene carboxylate electron transporting compounds of the formula: ##STR1## wherein S is sulfur, A is a spacer group selected from the group consist... | 07/04/1989 |
| 4834905 | Ring compounds Compounds of the formula wherein R1 and R2 are each independently alkyl or alkoxy each of 1-12 C atoms, F, Cl, Br, CN or --Q3 --R3, or one of R1 and R2 can also be H; Q1, Q2 | 05/30/1989 |
| 4826996 | 1,8,-dihydroxy-9-anthrones substituted in the 10-position The invention concerns 1,8-dihydroxy-9-anthrones substituted in the 10-position of the formula: ##STR1## in which R1 represents a group taken from the set constituted by: ##STR2## wherein R2 represents H, C1-8 al... | 05/02/1989 |
| 4708966 | Novel anti-inflammatory agents, pharmaceutical compositions and methods for reducing inflammation The present invention relates to novel specifically-substituted phenyl compounds, especially substituted di-tert-butyl phenol derivatives, which are effective as anti-inflammatory, analgesic and/or antipyretic agents. These phenyl compounds are substitute... | 11/24/1987 |
| 4508735 | Anti-arrhythmic N-alkanoylaminoalkyl fluorenes 9-(N-alkanoylaminoalkyl)-fluorenes are anti-arrhythmic agents.... | 04/02/1985 |
| 4452745 | 9-Aminoalkylfluorenes Fluorenes bearing a 9-aminoalkyl substituent are useful antiarrhythmic agents. Pharmaceutical formulations containing such compounds are provided, as well as a method of treatment.... | 06/05/1984 |
| 4391823 | Novel polycyclic insecticidal esters Dimethyl dichlorovinylcyclopropyl carboxylic acid esters of substituted (alkyl, aryl, halo, amino, etc.) polycyclic alcohols are insecticidal.... | 07/05/1983 |
| 4282170 | 9-Carbamoyl-9-(2-cyanoethyl)fluorenes 9-Carbamoyl-9-(2-cyanoethyl)fluorenes are intermediates for synthesis of 9-aminoalkyl-9-carbamoyl-fluorenes, which are antiarrhythmic agents.... | 08/04/1981 |
| 4224344 | Organic tricyclic compounds Novel 9-aminoalkyl-methanoanthracenes of the formula: ##STR1## wherein A is C1 -C4 alkylene or C3 -C4 alkenylene and R1 and R2 are each hydrogen, C1 -C4 alkyl, C3... | 09/23/1980 |
| 4161490 | Electron acceptor monomers Disclosed are electron acceptor monomers of the formula: ##STR1## wherein R is ##STR2## R' is hydrogen or methyl; X and Y are independently selected from the group consisting of --NO2, halogen, cyano and --CF3 ; Z is oxygen... | 07/17/1979 |
| 4123219 | Chemical storage of radiant energy A method for the chemical storage of radiant energy in which substituted naphthalenes undergo photochemical dimerization by exposure to radiant energy to form 1,2,2a,7,8,12b-hexahydro-1,8,2,7-ethanedihylidenedibenzo[a,e]cyclobuta[c]c yclooctenes, whic... | 10/31/1978 |
| 4107198 | Catalytic codimerization of norbornadiene with acrylonitrile Norbornadiene and acrylonitrile are catalytically codimerized in the presence of a three-component homogeneous catalytic system consisting of nickel acetylacetonate, triphenylphosphine and an alkyl aluminum chloride. The codimer can be used as a precursor... | 08/15/1978 |
| 4082801 | 4-Aminomethyldibenzobicyclo[5.1.0]octanes The new 4-aminomethyldibenzobicyclo[5.1.0]octane compounds of the present invention are prepared from the corresponding 4-halo compounds by reaction with a metal cyanide to produce the corresponding 4-cyano compound, which is reduced with an alkali metal ... | 04/04/1978 |
| 4062891 | N-formyl-2,3,5,6-dibenzobicyclo[5.1.0]octan-4-methylamine The new 4-aminomethyldibenzobicyclo[ 5.1.0] octane compounds of the present invention are prepared from the corresponding 4-halo compounds by reaction with a metal cyanide to produce the corresponding 4-cyano compound, which is reduced with an alkali meta... | 12/13/1977 |
| 4048223 | 3-Dimethylsulfamoyl-5-[amino(alkyl or alkylidene)]-5H-dibenzo [a,d]cycloheptenes This invention relates to new derivatives of dibenzocycloheptenes and to processes for making them. More particularly, the invention includes 5H-dibenzo[a,d]-cycloheptenes and 10,11-dihydro-5H-dibenzo[a,d]cycloheptenes which are substituted at their ... | 09/13/1977 |
| 4041063 | Modified cyanoacrylate monomers and methods of preparation Difunctional monomers of the formula, ##STR1## where R is an organic linking group derived from a diol or a dihalide of the formula X--R--X, where X is either chlorine, bromine, iodine, or hydroxy, are prepared by reacting a conjugated diene, exempli... | 08/09/1977 |
| 4041061 | Modified cyanoacrylate monomers and methods of preparation Difunctional monomers of the formula, ##STR1## where R is an organic linking group derived from a diol or a dihalide of the formula X-R-X, where X is either chlorine, bromine, iodine, or hydroxy, are prepared by reacting a conjugated diene, exemplifi... | 08/09/1977 |
| 4032544 | 3-Cyano-4-hydroxy coumarin derivatives Compounds of the formula ##STR1## and pharmaceutically acceptable, nontoxic salts thereof or hydrates thereof, wherein R1, R2, R3 and R4 are each hydrogen, halogen, lower alkyl or lower alkoxy, or any two o... | 06/28/1977 |
| 4017497 | Process for the preparation of 14-hydroxymorphinan derivatives N-substituted-14-hydroxy-3-substituted-morphinan derivatives have been found to possess potent narcotic agonist or antagonist activity. In particular, the compound 3,14-dihydroxy-N-cyclobutylmethylmorphinan has been found to possess potent agonist/antagon... | 04/12/1977 |
| 4013703 | Cyanoacrylic acid adducts Difunctional monomers of the formula, ##STR1## where R is an organic linking group derived from a diol or a dihalide of the formula X-R-X, where X is either chlorine, bromine, iodine, or hydroxy, are prepared by reacting a conjugated diene, exemplifi... | 03/22/1977 |
| 4012407 | 2-Cyano indan-1,3-diones Pharmaceutical compositions are produced comprising as the active ingredient a compound of the formula ##STR1## or a pharmaceutically acceptable, nontoxic salt thereof or hydrate thereof, wherein R1, R2, R3 and R... | 03/15/1977 |
| 4012448 | Synthesis of adriamycin and 7,9-epiadriamycin A process for the synthesis of adriamycin and 7,9-epiadriamycin, both active antineoplastic agents, in which 7-deoxydaunomycinone, in either the 9s or racemic (&#b1;) form, is employed as the starting material, the process in one embodiment also being pro... | 03/15/1977 |
| 4003942 | Blocked bis 2-cyanoacrylate monomers Difunctional monomers of the formula, ##STR1## where R is an organic linking group derived from a diol or a dihalide of the formula X--R--X, where X is either chlorine, bromine, iodine, or hydroxy, are prepared by reacting a conjugated diene, exempli... | 01/18/1977 |
| 3998836 | Ketimine derivatives and process for producing the same Novel Schiff bases, ketimine derivatives, represented by the formula ##STR1## wherein R1 and R2 are as defined hereinafter, which possess a wide variety of utilities, and the process for producing the above ketimine derivatives ... | 12/21/1976 |
| 3995641 | Surgical adhesives Carbalkoxyalkyl 2-cyanoacrylates having the formula: ##STR1## wherein R is an organic radical and R' is hydrogen or methyl polymerize rapidly in the presence of moisture and are useful as adhesives. When applied as tissue adhesives in surgical applic... | 12/07/1976 |
