Quotables
"I think there is a world market for maybe five computers."
Thomas Watson, chairman of IBM ; 1943
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7919619 | Heterocyclical, substituted phenazinamine-type non-linear optic chromophore architectures NLO chromophores of the following general formula: wherein each R represents a spacer system or substituent moiety as disclosed herein. ... | 04/05/2011 |
| 7786303 | Acidic bath for electrolytically depositing a copper deposit containing halogenated or pseudohalogenated monomeric phenazinium compounds For manufacturing particularly uniform and mirror bright copper coatings that are leveled and ductile as well using a relatively high current density, halogenated or pseudohalogenated monomeric pheanzinium compounds or a purity at least 85 mole-% and having the gene... | 08/31/2010 |
| 7001911 | Fused cyclic modulators of nuclear hormone receptor function The invention pertains to fused cyclic compounds having the formula, wherein G is an optionally substituted aryl or heterocyclo, L is an optional linker, M is a bond, O, CR7R7′ or NR10 | 02/21/2006 |
| 6858366 | Toner for electrostatic development, charge controlling agent for the toner and process for producing the same A positively charging dry toner for developing an electrostatic latent image including a nigrosine dye or nigrosine pigment containing 500 ppm or less nitrobenzene and 800 ppm or less aniline as a charge controlling agent. The dye or pigment is prepared by dispersin... | 02/22/2005 |
| 6800656 | Tricyclic compounds and method of treating herpes virus The present invention provides a compound of the formula and pharmaceutically acceptable salts having useful antiviral activity against viruses of the herpes family. Wherein: X=O, (CH2)m, S, ... | 10/05/2004 |
| 6395809 | Nigrosine compound, resin composition, molded product, crystallization temperature lowering, fluidity improving and surface gloss improving method Water-insoluble nigrosine compound which is a salt of nigrosine with sulfuric acid and/or phosphoric acid, crystalline resin composition containing the nigrosine compound, and fiber-reinforced crystalline resin molded product comprising a crystalline resi... | 05/28/2002 |
| 6387902 | Phenazine compounds, methods and pharmaceutical compositions for inhibiting PARP This invention relates to compounds, pharmaceutical compositions, and methods of using compounds of the formula: ##STR1## wherein R1 -R9 and Z are independently. hydrogen, hydroxy, halo, haloalkyl, thiocarbonyl, cyano, nitro, amino, ... | 05/14/2002 |
| 6117869 | Compounds for and methods of inhibiting matrix metalloproteinases The present invention relates to compounds of Formula I that inhibit matrix metalloproteinases and to a method of inhibiting matrix metalloproteinases using the compounds ##STR1## More particularly, the present invention relates to a method of treati... | 09/12/2000 |
| 6114332 | Bis(acridinecarboxamide) and bis(phenazinecarboxamide) as antitumor agents A compound which is a bis(acridinecarboxamide) or bis(phenazinecarboxamide) derivative of formula (I): ##STR1## wherein each X, which may be the same or different in a given molecule, is --CH.dbd. or --N.dbd. each of R1 to R4 wh... | 09/05/2000 |
| 5840980 | Diamine compounds and electrophotographic photoreceptor A diamine compound of the following formula (1): ##STR1## wherein R1 is a hydrogen atom, a lower alkyl group or a lower alkoxy group, each of A1, A2 and A3 which are independent of one another, is a substit... | 11/24/1998 |
| 5834462 | Tricyclic heterocyclic sulfonamide and sulfonic ester derivatives Novel tricyclic heterocyclic sulfonamide derivatives and sulfonic ester derivatives which have each an antitumor action and are represented by the following general formula (I) and processes for producing the same are provided. These compounds have each a... | 11/10/1998 |
| 5763443 | MDR resistance treatment and novel pharmaceutically active riminophenazines The invention concerns the new use of riminophenazines in the treatment of a patient who has built up, or could build up, resistance to a therapeutically active substance, such as a patient requiring treatment for cancer. The riminophenazine conveniently ... | 06/09/1998 |
| 5710273 | Complex crystal comprising tricyclic organic bases A complex crystal is composed of anion of triiodine and cation of a fused compound consisting essentially of at least one nitrogen atom and at least 3 aromatic fused rings. Since the complex crystal has such a stable structure, it shows excellent heat res... | 01/20/1998 |
| 5637591 | Antimicrobial and anticollagenase activity of phenazine-5, 10-dioxide and derivatives Disclosed are chemical agents with unexpected antimicrobial activity against the microbes, especially Porphyromonas gingivalis, known to be important in the cause and progression of gingivitis, periodontitis, and destruction of hard and soft oral tissues ... | 06/10/1997 |
| 5428161 | Phenazine dyes 3,7-Diamo phenazine dye having at least one electron-withdrawing substituent on at least one of the groups attached to the amine groups at the 3- and 7-positions, provided that the algebraic sum of the para position Hammett sigma (.rho.p) value... | 06/27/1995 |
| 5281709 | Production of an azine dye having excellent heat- and light-resistance Disclosed is the process for the preparation of dye having excellent heat- and light-resistance. The dye can preferably be employed as a colorant for heat-resistant resin materials such as polyamide, as a colorant and a charge control agent for an electro... | 01/25/1994 |
| 5210188 | Dyestuffs for perfluoropolyoxyalkylenes and compositions based on perfluoropolyoxyalkylenes containing such dyestuffs 1. Dyestuffs for cyclic or straight polyfluoropolyoxyalkylenes, of general formula: Q[B--(A)s ]t (III) or [(Q)s --B]2 A (IV) where: Q=an organic group... | 05/11/1993 |
| 4889932 | Stabilized leuco phenazine dyes and their use in an imaging system 3,7-Diamino phenazine leuco dyes stabilized in the 10-position with acyl substituents, said acyl substituents being themselves substituted with electron withdrawing groups. The structure of the reduced form of the dye can be represented by the general for... | 12/26/1989 |
| 4861564 | Method of use of 1,3 disubstituted aromatic cyclohexane imides as chelating agents The compounds of the invention comprise the condensation product, as well as derivatives thereof, of two equivalents of a trimethyl cyclohexane-anhydride acid chloride derivative with one equivalent of an aromatic diamine. The scope of the invention inclu... | 08/29/1989 |
| 4859667 | Pharmaceutical compositions of phenothiazone derivatives and analogs Phenothiazone derivatives and analogs thereof, pharmaceutical compositions and methods of treatment are disclosed. These compounds are useful as inhibitors of mammalian leukotriene biosynthesis. As such, these compounds are useful therapeutic agents for t... | 08/22/1989 |
| 4775754 | Preparation of leuco dyes Oxazine, thiazine and diazine leuco dyes are synthesized through a reaction using a dicyclohexylcarbodiimide adduct. The adducts are themselves novel compounds.... | 10/04/1988 |
| 4711957 | Synthesis of 2-keto-1,4-diazacycloalkanes The disclosure deals with novel synthesis involving (a) hydrogenation of a cis-3,3-dialkyl-3,4-dihydroquinoxaline-2-one in the presence of a suitable hydrogenation catalyst, at elevated temperature and pressure, to yield a cis-3,3-dialkyl decahydroquinoxa... | 12/08/1987 |
| 4698425 | 1,3 Disubstituted aromatic cyclohexane imides The compounds of the invention comprise the condensation product, as well as derivatives thereof, of two equivalents of a trimethyl cyclohexane-anhydride acid chloride derivative with one equivalent of an aromatic diamine. The scope of the invention inclu... | 10/06/1987 |
| 4624709 | Nigrosine dyes and process for preparing same A novel substituted nigrosine dye represented by the formula D-R)n wherein D is a nigrosine dye residue, R is C3 -C18 alkyl or alkenyl which may be straight or branched, or aralkyl or aralkenyl which may have a C1 | 11/25/1986 |
| 4540693 | Thiocyanatoquinoxaline compounds with immunomodulating activity New thiocyanatoquinoxaline compounds useful as immunomodulating agents which have the general formula: ##STR1## wherein R is hydrogen, methyl or 5-thiocyanato-2-furanyl; R1 is hydrogen, methyl or 2-furanyl; or R and R1 taken tog... | 09/10/1985 |
| 4539291 | Direct positive silver halide photographic materials A direct positive silver halide material is disclosed. The material is comprised of a support base having a silver halide emulsion layer thereon which contains at least one phenazine series compound represented by the general formula (I), (II) or (III) an... | 09/03/1985 |
| 4507479 | Color-forming sulfonamidodiphenylamine dye precursor that produces phenazine dye A color-forming sulfonamidodiphenylamine dye precursor has sulfonamido groups in the ortho position and para position in relation to the --NH-- moiety of the sulfonamidodiphenylamine and, in oxidized form, intramolecularly reacts to produce a sulfonamido-... | 03/26/1985 |
| 4460677 | Visible light sensitive, thermally developable imaging systems A thermally developable imaging system comprises a leuco dye, nitrate ion, and a spectrally sensitized organic compound having photolyzable halogen atoms.... | 07/17/1984 |
| 4436920 | Image recording members Recording members having excellent light resistance are obtained by using as a dye precursor specific diarylaminofluoran compounds.... | 03/13/1984 |
| 4380666 | Color-forming sulfonamidodiphenylamine dye precursor that produces phenazine dye A color-forming para sulfonamidodiphenylamine dye precursor has one or two sulfonamido groups in positions ortho to the amine --NH-- moiety separating the two phenyl rings of the para sulfonamidodiphenylamine and, in oxidized form, intramolecularly reacts... | 04/19/1983 |
| 4376859 | Process for the preparation of aniline condensation dyestuffs Process for the preparation of aniline condensation dyestuffs by reacting aniline and/or an alkylaniline batchwise, in cycles or continuously with nitrobenzene, which can be substituted and/or diazoaminobenzene, with warming and in the presence of a catal... | 03/15/1983 |
| 4359577 | Non-pyrophoric nigrosine base Nigrosine base (Color Index 50,415:1) which is pyrophoric is made non-pyrophoric by sparging a solution thereof in aniline with air.... | 11/16/1982 |
| 4335226 | Adsorbent for the affinity-specific separation of macromolecular materials Adsorbents are provided for the affinity-specific separation of macromolecular materials, particularly biopolymers, the adsorbents comprising a polymeric carrier on to which an affine residue for the macromolecular material is covalently bound, either dir... | 06/15/1982 |
| 4321178 | Water-resistant black flexographic ink The ammonium salt of Nigrosine Sulfonic Acid, a novel compound, has been discovered to produce a black flexographic ink with superior water-resistance properties.... | 03/23/1982 |
| 4284774 | Sulfoarylated nigrosine dye and use in jet-printing inks Nigrosine base is aryl sulfonated to produce a dye useful in jet-printing inks.... | 08/18/1981 |
| 4263206 | Reactive dyestuffs containing chlorine or fluorine substituents and one or more 1,3-dicyanobenzene radicals linked to the dyestuff at the 2-, 4- or 6-position Dyestuffs are provided which contain one or more 1,3-dicyanobenzene radicals linked to the dyestuff at the 2-, 4- or 6-position, with halogen substituents in both of the remaining two of these positions and an electron-attracting substituent in the 5-posi... | 04/21/1981 |
| 4237281 | Dyestuffs containing amino or imino groups Novel dyestuffs containing amino or imino groups and their preparation are provided. These dyestuffs have the general formula ##STR1## wherein R is --N(R3)CH2 --Z or --N.dbd.CH--Z, X is N or CR6 where R6 is... | 12/02/1980 |
| 4230855 | Method of preparation of improved nigrosine and indulino dyes Nigrosine and induline dyes having improved rheological properties are prepared by treating a base of the nigrosine or induline series with between 15 and 30% by weight of phthalic anhydride, at a temperature between 135° and 150° C. The resulting dyes ... | 10/28/1980 |
| 4213899 | Reactive dyestuffs containing chlorine or fluorine substituents and one or more pyridine radicals linked to the dyestuff at the 2-, 4- or 6-position A dyestuff of the formula ##STR1## where D is a chromophoric residue n is 1 or 2 Z is ##STR2## where R is H, C1-4 alkyl, C1-4 alkyl substituted by OH, OSO3 H, CN or SO3 H or is phenyl each hal indepen... | 07/22/1980 |
| 4137413 | 1,3,7-Trinitrophenazine-5-oxide The present invention provides 1,3,7-trinitrophenazine-5-oxide which has an excellent sensitization effect on organic photoconductors, as well as a photoconductive sensitive material comprising said compound and an organic photoconductor.... | 01/30/1979 |
