Did You Know...
...that Robert Adler has the dubious distinction of being the Father of the Couch Potato? Back in 1955 Adler was employed by what was then Zenith Radio Corp., where he was charged to invent something that would allow viewers to turn down the TV volume without leaving their chairs. After a series of flops (such as a wired contraption that people tripped over), Adler hit on the idea of using sound waves. Thus the Remote Control was born...
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| Number | Title | Issue Date |
| 7427319 | Azo compound, ink composition, and colored object The present invention relates to an azo compound represented by the following formula (1): (wherein, in the formula (1), R1 represents a hydrogen atom; a hydroxyl group; a carboxyl group; a (C1-C4... | 09/23/2008 |
| RE39866 | Nonpeptide insulin receptor agonists Modulation of the activity of the insulin receptor, enhancement of glucose uptake by cells, and other effects significant in the control and management of diabetes are accomplished using compounds of the formula wherein ... | 10/02/2007 |
| 7108897 | Dye type polarizing plate This invention relates to a polyvinyl alcohol type polarizing film or plate which comprises a water-soluble dye having the formula (1) in a free acid form or a copper complex salt thereof. The said polarizing plate has excellent polarizing performance capability and... | 09/19/2006 |
| 7094277 | Counterion use for reduction of decap and for improvement of durability of inkjet images A dye for ink-jet printing on both hydrophilic and hydrophobic papers. The dye includes a chromophore tonically coupled to a counterion. One of the chromophore and the counterion includes a hydrophilic moiety. The other includes a hydrophobic moiety. ... | 08/22/2006 |
| RE38531 | Tetrakisazo dyes, their production and use Tetrakisazo dyes of formula (I), as defined in claim 1, optionally in admixture with trisazo dyes of formula (X) as defined in claim 4, are valuable anionic dyes for the dyeing of substrates dyeable with anionic dyes, in particular for the dyeing of le... | 06/08/2004 |
| 6699976 | Polyazo compound or salt thereof and dye-based polarization film containing the same A polyazo compound or salt thereof covering the region of from 500 to 580 nm and manifesting high initial polarization ability and represented by the following formulae (I) or (II): ##STR1## wherein, A represents a phenyl having sulfo and/or carboxyl ... | 03/02/2004 |
| 6399752 | Polyazo compound or salt thereof and dye-based polarization film containing the same A polyazo compound or salt thereof of the following formula (I): ##STR1## wherein, A represents a naphthyl having 1 to 3 sulfos or a phenyl having 1 to 2 hydrophilic groups selected from sulfo and carboxyl and optionally having a lower alkyl or lower alko... | 06/04/2002 |
| 6346609 | Cationic azo-dyes Cationic azo dyes of the general formula I ##STR1## where R1, R2, R3, A1, A2, B1, B2, An.crclbar., n and K have the meaning given in the specification are prepared and... | 02/12/2002 |
| 6140477 | Near-infrared ray absorbing polyazo compound A polyazo compound capable of effectively absorbing near-infrared rays, which can be produced from readily available raw materials is provided, which comprises at least one --OH group or at least one group derived from --OH group at p-position of the azo ... | 10/31/2000 |
| 6043349 | Tetrakisazo dyes, their production and use Tetrakisazo dyes of formula (I), as defined in claim 1, optionally in admixture with trisazo dyes of formula (X) as defined in claim 4, are valuable anionic dyes for the dyeing of substrates dyeable with anionic dyes, in particular for the dyeing of leath... | 03/28/2000 |
| 5973125 | Macroazo compound, a process for its production, a macroazo initiator, and a process for its use An azoamide compound of the formula: ##STR1## wherein R1 through R4 are independently an alkyl group; X is an alkylene groupl Y is --O-- or --NH--; and n is an integer of 2 or more, is effective for producing a macroazo compound... | 10/26/1999 |
| 5668260 | Tetrakisazo Compounds, the method of preparation thereof and the process of pyeing The present invention relates to tetrakisazo dyes of the general formula I ##STR1## in which ##STR2## and R1, R2, R3, M.sym.1 to M.sym.1 and n are as defined in Claim 1, to processes for the... | 09/16/1997 |
| 5659020 | Tetrakisazo compound and a polarizing film containing the same A tetrakisazo compound of the formulae: ##STR1## wherein Q1 represents a phenyl or naphthyl group, Q2 represents a phenyl which is substituted by at least one substituent selected from a hydroxy group and an amino group, and R | 08/19/1997 |
| 5646257 | Azodyestuffs, their preparation and their use The new dyestuffs of the formula (I) ##STR1## wherein the substituents R and R1 and the index n have the meaning given in the description, are outstandingly suitable for dyeing and printing cellulose-containing materials, in particular for... | 07/08/1997 |
| 5616696 | Azo dyes having utility for ink jet printers A group of compounds comprising the reaction product of a hydroxy naphthylamine sulfonic acid with a diazotized compound comprising, an aromatic azo substituted Cleves Acid such that the diazotized compound is coupled with the hydroxy naphthylamine sulfon... | 04/01/1997 |
| 5597387 | Water-soluble polyazo dyestuffs The present invention relates to water-soluble polyazo dyestuffs of the general formula I ##STR1## wherein Y, Z, m and M.sym.1 to M.sym.4 are as defined in claim 1, processes for dyeing leather and paper with the polyazo dyestuf... | 01/28/1997 |
| 5549853 | Linked azo dyes Azo dyes of the formula W(--X--Y--Chr)n, where n is 2 to 6, y is C1 -C6 -alkylene, Chr is the radical of a mono- or polyazo dye, X is a radical of the formula CO--O or O--CO and W is an n-valent radical which is derived from an unsubstit... | 08/27/1996 |
| 5530105 | Tetraskisazo compound and ink containing the compound A tetrakisazo compound represented by the following formula (1) in the free acid form: ##STR1## wherein Q1 and Q2 independently represent phenylene or naphthylene group which may be optionally substituted, R4, R5... | 06/25/1996 |
| 5340504 | Light-polarizing films containing dichroic dyes The invention relates to light-polarizing films based on water-soluble organic polymers, more particularly polyvinyl alcohol (PVAL), which contain one or more dichroic bis-, tris- or tetrakis-azo dyes.... | 08/23/1994 |
| 5225545 | Disazo dyes containing a 1-hydroxy-3-sulfo-acylaminophenyl-amino-naphthalene coupling component The compounds of the formula (1) indicated in claim 1 are suitable for use as direct dyes for dyeing and printing a wide range of materials, in particular cellulose-containing fibre materials, producing dyeings and prints having good fastness properties.... | 07/06/1993 |
| 5190585 | Production of pigment compositions The present invention provides processes for the production of a pigment composition comprising: Ia) contacting a pigment, before or during its synthesis, with a water-immiscible carrier medium, and then completing the pigment synthesis to produce a pigme... | 03/02/1993 |
| 5145953 | Monomers of biscyclobutarenes bridged by at least one azo linkage A biscyclobutarene monomer is prepared having two cyclobutarene moieties bridged by a divalent radical having at least one azo linkage. The monomers can be polymerized to form polymers exhibiting outstanding thermooxidative stability at high temperatures ... | 09/08/1992 |
| 4978747 | Colorants obtained by reacting a NH2 -containing dyestuff with a diisocyanate followed by reaction of this adduct with a diamine Colorants are obtained by reacting a dyestuff which is free from ionic groups and hasą£2 NH2 groups which are preferably arranged in such a manner that they do not participate in the resonance of the chromophore with such an amount of a (cyclo... | 12/18/1990 |
| 4971876 | Photoconductor for electrophotography A photoconductor for electrophotography comprises a substrate and a photosensitive layer formed on the substrate and including a novel tetrakisazo compound. The one type of the tetrakisazo compound is represented by the following general formula. ##S... | 11/20/1990 |
| 4882249 | Tetrakisazo photoconductive composition and electrophotographic photoreceptor using the same Disclosed are a photoconductive composition containing a new tetrakisazo compound of the following formula (1) and an electrophotographic photoreceptor having a photosensitive layer which contains the tetrakisazo compound of the formula (1): ##STR1##... | 11/21/1989 |
| 4875903 | Monoazo compounds containing a 2-sulfophenyl diazo component radical and a 1-hydroxy-naphthalene-sulfonic or disulfonic acid coupling component radical and two substituted 1,3,5-triazine rings Compounds of the formula ##STR1## wherein each R1 is independently hydrogen, C1-4 alkyl or C1-4 alkyl monosubstituted by hydroxy, halo, cyano or C1-4 alkoxy, each of X1 and X3 is indep... | 10/24/1989 |
| 4841037 | Amino sulfonaphtholtrisazo compounds and recording liquids containing the same A naphthalene trisazo compound represented by the general formula (I) or (II): ##STR1## wherein A and B each represents a substituted or unsubstituted benzene or naphthalene ring; m represents zero or 1; and M represents an alkali metal atom, am... | 06/20/1989 |
| 4808503 | Electrophotographic receptors with charge generating azo-substituted tetraphenyl-thiophene or thiophene 1,1-dioxide Disclosed herein is a electrophotographic photoreceptor having high sensitivity and excellent durability. The photoreceptor has a photosensitive layer which contains an azo compound having the tetraphenylthiophene or tetraphenylthiophene-1,1-dioxide skele... | 02/28/1989 |
| 4804411 | Recording liquid A recording liquid comprising a solution of a recording agent is provided. The recording agent has a structure containing a plural number of structural units linked together through a linking group or groups. The structural unit may be a dye residue.... | 02/14/1989 |
| 4758659 | Hexakisazo dyes A hexakisazo dye suitable for dyeing cellulose, natural or synthetic polyamide meterials, leather, represented by the formula ##STR1## wherein X is --CH.dbd.CH--, --CONH--, --CRH-- (wherein R is phenyl which is unsubstituted or substituted by H or a ... | 07/19/1988 |
| 4629672 | Light-sensitive composition having a tetrakisazo compound A light-sensitive composition is disclosed, containing at least one of tetrakisazo compounds having the following general formula [1]: ##STR1## wherein Cp represents a coupler residue; A is a single bond, ##STR2## in which n is an integer of fro... | 12/16/1986 |
| 4594410 | Azo compounds containing both sulfo groups and basic or cationic groups which compounds are in metal-free or 1:1 metal complex form Azo dyes of the formula ##STR1## and external salts thereof, wherein F is the residue of a monoazo or disazo compound in 1:1 metal complex form or of a trisazo, disazoazoxy or tetrakisazo compound in metal-free or 1:1 metal complex form, each X is in... | 06/10/1986 |
| 4485042 | Dyestuff containing at least three azo bridges Leathers can be advantageously dyed with water-soluble polyazo dyestuffs having, in the form of the free acid, the formula ##STR1## wherein A is a member of the benzene, naphthalene or heterocyclic series; B has the formula ##STR2## n is the num... | 11/27/1984 |
| 4401369 | Class of dichroic dyes for use with liquid crystals A cholesteric guest-host liquid crystal composition having a positive dielectric anisotropy and consisting of a positive nematic host component, an optically active cholesteric component, and a tetra-azo dichroic dye guest component having a dichroic rati... | 08/30/1983 |
| 4395288 | Liquid recording medium A liquid recording medium for use in a recording process, wherein said recording medium is discharged from a discharge orifice in a recording head and spattered in the form of droplets for recording, and containing (a) a recording agent for forming record... | 07/26/1983 |
| 4339240 | Color changing polyacetylenic compounds Acetylenic compounds such as 2,6-hexadiyn-1,6-diol-bis(p-phenylazophenylsulfonate) having a conjugated acetylenic portion capable of polymerization on exposure to actinic radiation and thermal annealing and a chromophoric portion. The color of the ch... | 07/13/1982 |
| 4308161 | Novel yellow azo dyes and dichroic liquid crystal compositions made therewith Novel yellow azo dye compositions and a liquid crystal composition containing the yellow azo dye composition are disclosed. The yellow azo dye composition, having terminal ester groups, has the general formula: ##STR1## wherein R and R' are acyl grou... | 12/29/1981 |
| 4308164 | Novel yellow azo dyes and dichroic liquid crystal composition made therewith Novel yellow azo dye compositions and a liquid crystal composition containing the yellow azo dye composition are disclosed. The yellow azo dye composition, having terminal ester groups has the general formula: ##STR1## wherein R and R' are acyl group... | 12/29/1981 |
| 4308163 | Novel yellow azo dyes and dichroic liquid crystal composition made therewith Novel yellow azo dye compositions and a liquid crystal composition containing the yellow azo dye composition are disclosed. The yellow azo dye composition, having terminal ester groups has the general formula: ##STR1## wherein R and R' are acyl group... | 12/29/1981 |
| 4308162 | Novel yellow azo dyes and dichroic liquid crystal compositions made therewith Novel yellow azo dye compositions and novel liquid crystal compositions containing the yellow azo dye composition. The yellow azo dye composition, having terminal ester groups, has the general formula: ##STR1## wherein R and R' are alkyl or substitut... | 12/29/1981 |
