Quotables
"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American ; Jan. 2 edition, 1909
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 |
| 8314215 | Mild chemically cleavable linker system A linker system is provided where a small molecule reactive group, e.g., an activity based probe which binds to certain enzymes at the active site, is linked through an aryl diazo linker to an affinity molecule such as biotin. The reactive group may comprise a numbe... | 11/20/2012 |
| 6713614 | Dimeric azo pyridone colorants Disclosed are compounds of the formula The compounds are useful as colorants, particularly in applications such as phase change inks. ... | 03/30/2004 |
| 6590082 | Azo pyridone colorants Disclosed are compounds of the formula ##STR1## The compounds are useful as colorants, particularly in applications such as phase change inks.... | 07/08/2003 |
| 6005085 | Condensed azo compounds and process for preparing the same The present invention provides novel condensed azo compounds using bisamide compounds of 2-hydroxynaphthalene-3,6-dicarboxylic acid, amide, or ester as the couplers, which have excellent properties such as excellent water resistance, chemical resistance, ... | 12/21/1999 |
| 5262526 | Fluorescent compound, complex, reagent, and specific binding assay employing said reagent A fluorescent compound, which is readily capable of forming a stable complex with a rare-earth metal ion having fluorescence with satisfactory intensity even in an aqueous system and long fluorescence lifetime when formed a complex with the rare-earth met... | 11/16/1993 |
| 4988593 | Azo compound containing electrophotographic photosensitive member An electrophotographic photosensitive member having a photosensitive layer is formed on a support and contains an azo pigment expressed by a general formula [I] or [II]: ##STR1## where A, B1 and B2 are aromatic hydrocarbon nucle... | 01/29/1991 |
| 4956255 | Photosensitive member The present invention relates to a photosensitive member containing a specific azo compound represented by the following general formula [I]; ##STR1## wherein A is a bivalent group of a condensed poly-cyclic ring which may have a substituent, a pyrid... | 09/11/1990 |
| 4607097 | Dichromatic coloring matter for a colored liquid crystal display element A dichromatic coloring matter for a colored liquid crystal display element comprising a compound of the general formula: ##STR1## where A and B each stand for ##STR2## where n is 0, 1, 2, 3 or 4, and X and Y each stand for ##STR3## whe... | 08/19/1986 |
| 4504560 | Electrophotoconductor for electrophotography comprising a disazo compound An electrophotoconductor comprising an electrically conductive support and formed on the surface thereof a photosensitive layer containing a disazo compound of formula ##STR1## wherein two Y's, which are the same or different, denote a group selected... | 03/12/1985 |
| 4481141 | Nondiffusible yellow metallized azo dye-releasing compounds Photographic elements, diffusion transfer assemblages, coordination complexes and processes are described which employ a novel nondiffusible compound having a releasable yellow dye moiety or precursor thereof, the compound having the formula: ##STR1#... | 11/06/1984 |
| 4251613 | Disazo compounds, process for preparation of same and application of said disazo compounds and analogues thereof to electrophotographic sensitive materials The present invention provides disazo compounds expressed by the general formula I ##STR1## a process for the preparation of said compounds; and electrophotographic sensitive material having a high sensitivity as well as a high flexibility which... | 02/17/1981 |
| 4210583 | Azo dyes of the 2,6-di(substituted) amino pyridine series An azo dye of the general formula ##STR1## where A is cyano or carbamoyl, R is hydrogen, alkyl or phenyl, R1 is hydrogen, bromine, chlorine or nitro, R2 is hydrogen, chlorine, bromine, nitro, methyl, trifluoromethyl, sulfamoyl, N-mon... | 07/01/1980 |
| 4134888 | Cholesteryl carbonates and carbamates of azo dyes Novel liquid crystal dyes of the formula ##STR1## wherein (CHOL--) is a cholesteryl radical, X can be 0 or NH, R1 can be H, --OH, methyl, fluoro or chloro; R2 can be --NO2, --CN, N-(alkyl)2, --OCOOR, --OCOR... | 01/16/1979 |
| 4128545 | Azo dyes with 2,6-diamino-pyridine coupling component Azo dyes having a 2,6-diamino-pyridine as coupling component, one of the amino groups bearing a bicyclic or polycyclic non-aromatic radical as a substituent. The dyes are eminently suitable as disperse dyes, particularly for synthetic linear polyesters, a... | 12/05/1978 |
| 4053464 | Disazo pigments containing ether substituted alkoxy carbonyl groups New disazo pigments of the formula ##STR1## wherein R1 denotes a benzene radical, R2 denotes an aromatic radical, X and X' denote hydrogen or chlorine atoms, alkyl or alkoxy groups containing 1-6 carbon atoms, or aryloxy groups,... | 10/11/1977 |
| 4017478 | Water-soluble azo dyes having a 2-acetoacetamidofluorenyl coupling component radical Dyes of the formula ##STR1## wherein D is a carbocyclic aryl or heterocyclic aryl diazo component radical, q is 0 to 3, and t is 0, 1 or 2, With the proviso that q + t is 1 to 5, are highly The dyeing, padding and printing of textile fibers and textiles o... | 04/12/1977 |
| 4016152 | Azo dye with a 2,6-diamino-5-cyano-or-5-carbamoyl-pyridine coupling component A dye of the formula ##STR1## wherein D is the radical of a diazo component, especially phenyl, phenylazophenyl, benzthiazolyl, benzisothiazolyl, thienyl, thiazolyl, thiadiazolyl and substituted derivatives thereof, R is hydrogen or alkyl of 1 to 7 c... | 04/05/1977 |
