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| Number | Title | Issue Date |
| 7109519 | Bis(2-acenyl)acetylene semiconductors Bis(2-acenyl)acetylene compounds that are useful as organic semiconductors are disclosed. The compounds, when used as the active layer in OTFTs exhibit device characteristics, like charge-carrier mobilities and current on/off ratios, that are comparable to those of ... | 09/19/2006 |
| 6974877 | Process for preparing pentacene derivatives A process for preparing substituted pentacene compounds comprises the step of cyclizing substituted bis(benzyl)phthalic acids using an acid composition comprising trifluoromethanesulfonic acid, the substituted bis(benzyl)phthalic acids being represented by the follo... | 12/13/2005 |
| 6964833 | Linked dihydrazone-based charge transport compounds Improved organophotoreceptors comprise: (a) a charge transport compound having the formula where n is an integer from 0 to 1; X is an (N,N-disubstituted)aryla... | 11/15/2005 |
| 6914114 | Absorbing compounds for spin-on-glass anti-reflective coatings for photolithography An absorbing ether-like compound including a siliconethoxy, silicondiethoxy, or silicontriethoxy species attached to a naphthalene or anthracene chromophore via an oxygen linkage is used as an organic light-absorbing compound. The absorbing ether-like compound is in... | 07/05/2005 |
| 6669994 | Water-soluble coating agents bearing initiator groups A method of forming a polymer layer on a support surface by the use of a coating agent and polymerizable compounds. The coating agent provides photoreactive groups adapted to attach the agent to the surface, as well as photoreactive groups adapted to rema... | 12/30/2003 |
| 6605362 | Absorbing compounds for spin-on-glass anti-reflective coatings for photolithography An absorbing ether-like compound including a siliconethoxy, silicondiethoxy, or silicontriethoxy species attached to a naphthalene or anthracene chromophore via an oxygen linkage is used as an organic light-absorbing compound. The absorbing ether-like com... | 08/12/2003 |
| 5837255 | Method of reducing blood glucose by administering Harunganin or Vismin The use of extracts from Harungana or Vismia spp. or anthracenone compounds harunganin and vismin contained therein or isolated therefrom as hypoglycemic agents, as well as methods for obtaining the hypoglycemic agents are described. According to a prefer... | 11/17/1998 |
| 5750743 | Method for preparing a solution of an alkali salt of anthrahydroquinone A method for preparing a solution of an alkali salt of anthrahydroquinone, which comprises reacting a solution of an alkali salt of 1,4-dihydro-9,10-dihydroxyanthracene with anthraquinone in the presence of an alkali.... | 05/12/1998 |
| 5449778 | Cyclic amino acids and derivatives thereof Novel cyclic amino acids which are useful in preparing biologically active peptides as well as a process for the preparation of D and L enantiomers of the cyclic amino acids are described where an N-protected derivative of the racemic cyclic amino acid is... | 09/12/1995 |
| 5294701 | Anthracycline compounds and intermediates This invention provides novel anti-tumour compounds of the formula ##STR1## wherein R1 and R2 are hydrogen or together form an alkyl-, alkoxy- or OH-substituted aromatic group, which optionally contains an N atom as a hetero-ato... | 03/15/1994 |
| 4927845 | Compounds of the anthraquinone series Anthralin analogues containing a thio-substituent, especially in one or more of the positions 2-, 7- and 10- of the anthralin ring. They may be made by reacting an anthralin derivative (e.g. 10-bromoanthralin) with a thiol or a compound containing a group... | 05/22/1990 |
| 4632782 | Oxidizing an organic compound A process for oxidizing an organic compound by ceric sulfate dissolved in an aqueous sulfuric acid solution, wherein the organic compound is oxidized (1) by means of a ceric sulfate-aqueous sulfuric acid solution or a cerous sulfate-containing ceric sulfa... | 12/30/1986 |
| 4592905 | Conversion of hydrogen sulfide to sulfur and hydrogen A hydrogen sulfide gas is converted to sulfur and hydrogen gas by reacting the hydrogen sulfide and with an anthraquinone dissolved in a polar hydrocarbon solvent. The hydrogen sulfide reacts with the anthraquinone to produce sulfur and an anthrahydroquin... | 06/03/1986 |
| 4113749 | Process for producing anthrone Anthrone is produced by an intramolecular condensation of hydroanthraquinone such as tetrahydroanthraquinone or dihydroanthrahydroquinone by heating it in the absence of oxygen with or without an inert solvent.... | 09/12/1978 |
| 4052437 | Process for producing urethane from nitro compounds, hydroxyl compounds and carbon monoxide using rhodium oxide catalysts In the process for preparing a urethane, particularly an aromatic urethane, by the reaction of an organic nitro compound, particularly an aromatic nitro compound, carbon monoxide, and an organic hydroxy compound in the presence of a catalyst, the improvem... | 10/04/1977 |
| 4007271 | Dermatalogical compounds and compositions Mono-, di- or tri-(X,Y-substituted-benzoyl) esters of 1,8,9-trihydroxyanthracene, wherein the anthracene moiety can be substituted by methyl at the 3-position, X is halogen, hydroxy, nitro, lower-alkyl, lower-alkoxy, phenoxy, trifluoromethyl, lower-alkylc... | 02/08/1977 |
