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 |
| 7351808 | Anionic monoazo dyes Anionic monoazo dyes of the formula (1) in which A represents 1- or 2-naphthyl residue, which is substituted by a total of one or two sulphonic and/or carboxylic acid groups. R1 represents hydrogen or C1-C4alkyl, each D1 a... | 04/01/2008 |
| 7166710 | Cationic dimeric dyes The present invention relates to novel cationic dye of formula (1) and (1a) wherein A is an organic radical of formula (2) or (3) wherein ... | 01/23/2007 |
| 7078497 | Disazo dyes, and copper complexes thereof, for dyeing paper The dyes of formula (1) according to claim 1 and the copper complexes of dyes of formula (2) according to claim 9 or the mixtures of mono-copper complex with the bis-copper complex are excellently suitable for dyeing paper with good light-fastness prop... | 07/18/2006 |
| 7066969 | Dyes incorporating annionic and cationic groups The present invention relates to novel compounds of the formulae A, D1, D2, R1 and n are as defined in the description the compounds being in an internal or external salt form, or mixtures of compounds (1) and (2), a process for thei... | 06/27/2006 |
| 6994734 | Aqueous liquid composition of fluorescent brightener excellent in dyeing characteristics An aqueous liquid composition characterized by containing an alkali salt, an alkali metal salt, an alkali earth metal salt or an ammonium salt of a compound represented by the following formula (1). in the form of free ... | 02/07/2006 |
| 6984723 | Use of copper complexes of disazo dyes for dyeing natural and synthetic material Use of the mono-copper complex of a dye of formula (1) wherein Z1, Z2, R1, R2, R3, R4, X, n and m are as defined in the claims, and mixtures thereof with the bis-copper complex of such a dye, for dyei... | 01/10/2006 |
| 6933371 | Bisazo dyestuffs based on hydroxynaphthalene carboxylic acid Disclosed are bisazo compounds of the formula Ia or Ib where R1 is hydrogen or methyl, the X groups are independently —CH2CH2 | 08/23/2005 |
| 6893473 | Whitened fluff pulp Whitened fluff pulp and methods for making whitened fluff pulp. The whitened pulp is a fluff pulp that has been treated with one or more of a white pigment, a colorant, or a fluorescent whitening agent. ... | 05/17/2005 |
| 6860906 | Process for preparing solutions of anionic organic compounds Described is a process for preparing concentrated solutions or suspensions of anionic organic compounds which comprises a) acidifying an aqueous solution or suspension of an anionic organic compound containing salts and/or impurities to a pH of 4.5 or less, if the p... | 03/01/2005 |
| 6858255 | Thickeners for paper dye compositions The present invention is a thickened dye composition and method of applying same to a paper web that produces colored or patterned paper having good bleed resistance. The dye composition of the invention includes a binder; a dye; a thickener selected from the group ... | 02/22/2005 |
| 6846956 | Triarylmethane dyes Described is a triarylmethane dye of the formula I where R1 and R2 are independently methyl, ethyl or hydroxyethyl, Q is substituted or unsubstituited phenyl or naphthyl and A⊖ is the equivalent of an anion. It does not detach carc... | 01/25/2005 |
| 6723846 | Triazinylaminostilbene derivative as fluorescent whitening agents The present invention relates to compounds having formula (1): wherein each R1 represents, independently, a linear C1-C4-alkylene residue which is unsubstituted or substituted by hydroxy, C1-C4-alkyl, C | 04/20/2004 |
| 6660048 | Aqueous dye solutions The aqueous dye solutions of the composition shown in claim 1 are distinguished by a good storage stability and are suitable for dyeing paper in red color shades.... | 12/09/2003 |
| 6635092 | Dye mixtures Disclosed are dye mixtures for shading white paper which may contain fluorescent brightener. The dye mixtures comprise a violet dye according to the formula (1) or (2) indicated in claim 1 and sufficient of a red, blue or further violet anionic azo dye th... | 10/21/2003 |
| 6630056 | Color tracing paper An intensely colored transparent and/or translucent paper has chroma c and brightness L, as measured by a Hunterlab instrument, which measures the Cartesian coordinates a, b, L of a point P of color and its polar coordinates H and c. The paper is such tha... | 10/07/2003 |
| 6569212 | Phthalocyanine ink-jet dyes Phthalocyanine compounds of Formula (1) have utility as colorants in inks for ink-jet printing, where Formula (1) represents: ##STR1## and all IJP-effective forms of such compounds; and in which M represents a metal or H; Pc represents a phthalocyanine nucleus... | 05/27/2003 |
| 6562115 | Azo dyes and their preparation and use Monoazo dyes of formulas (III) ##STR1## wherein R1, R2, R3, D1 and M are as defined in the specification, are excellent dyes for dyeing and printing of cellulose containing materials and especially for the prepa... | 05/13/2003 |
| 6491731 | Yellow azo-and azoxystilbene dyes, their preparation and the preparation of storage-stable aqueous concentrates thereof A mixture of yellow azo- and azoxystilbene dyes having the shade of a C.I. Direct Yellow 11 dye is obtainable from the self-condensation of 4,4'-dinitro-2,2'-stilbenedisulfonic acid in the presence of an alkali metal hydroxide and an excess of formaldehyd... | 12/10/2002 |
| 6464735 | Fluorescent whitening agents The present invention provides new compounds having the formula: ##STR1## in which X is O or, preferably, NH; M is hydrogen, an alkali metal atom, ammonium or a cation formed from an amine; each R1, independently, is an aminoacid residue from w... | 10/15/2002 |
| 6458169 | Fluorescent whitening agents The present invention provides new compounds having the formula: ##STR1## in which X is O or, preferably, NH; M is hydrogen, an alkali metal atom, ammonium or a cation formed from an amine; each R1, independently, is an aminoacid residue from w... | 10/01/2002 |
| 6365719 | Bridged disazo compounds Compounds of formula (I) ##STR1## with the meanings of D, R1, R2, X and Y as given in claim 1 can be used as paper dyes or direct dyes or for the preparation of ink-jet inks.... | 04/02/2002 |
| 6350862 | Reactive dye compounds Reactive Dye compound having formula (I) wherein: D is a chromophore group; L is a linking moiety; Q is a quaternized nitrogen derivative; X and Y are independently selected from chlorine, bromine, fluorine or hydrogen; A is selected from halogen, prefera... | 02/26/2002 |
| 6331626 | Triazinylaminostilbene compounds The present invention provides a hydrate of the 4,4'-di-triazinylamino-2,2'-di-sulfostilbene compound having the formula: ##STR1## in which M and M1 independently represent hydrogen, an alkaline-, an alkaline earth metal or ammonium, x is a num... | 12/18/2001 |
| 6320031 | Monoazo dyes and their preparation and use Monoazo dyes of formula (3) ##STR1## wherein A, R1, R2, M and n are as defined in the specification, are excellent dyes for dyeing and printing of cellulose containing materials and especially for the preparation of inks for ink jet ... | 11/20/2001 |
| 6302923 | Triphendioxazine compounds Compounds of formula (I) ##STR1## with the meanings of R1, R1 ', R2, R2 ', X, X', Y, Y', m and n as given in claim 1 can be used as paper dyes or direct dyes or for the preparation of ink-jet inks.... | 10/16/2001 |
| 6281338 | Mono- and dipotassium salts of azo compounds Mono- or dipotassium salts of azo compounds conforming to the formula (I) or one of its tautomeric structures ##STR1## where R and R' are independently OH, NH2, NH--CN, acylamino or arylamino and R1 and R1' are independently --... | 08/28/2001 |
| 6241789 | Process for dyeing or printing and novel reactive dyes Process for dyeing or printing paper, films of plastic or fibre material containing hydroxyl groups or containing nitrogen with reactive dyes, which comprises using at least one reactive dye of the formula (1) from the following group a) and at least one ... | 06/05/2001 |
| 6221114 | Colorant salts and their use in dyeing polymeric material Dye salts which are free from fiber-reactive radicals and have the formula ##STR1## where Chr is an (m+n)-valent radical of a chromophore from the series of the metal-free or metal-containing phthalocyanines, of the quinacridones, of the mono-, dis- or po... | 04/24/2001 |
| 6221113 | Liquid dyestuff compositions A liquid dyestuff composition comprising from 4 to 50 wt % of a basic or cationic water soluble dyestuff, an organic or inorganic acid and 0.1 to 15.0 wt % of a phenolic derivative, the dyestuff having a solubility in water in the presence or absence of a... | 04/24/2001 |
| 6210449 | Fluorescent whitening agents The present invention provides new compounds having formula (1), in which X is 0 or, preferably, NH; M is hydrogen, an alkali metal atom, ammonium or a cation formed from an amine; each R1, independently, is an aminoacid residue from which a hy... | 04/03/2001 |
| 6194554 | Disazo dyes The invention relates to novel disazo dyes of the formula ##STR1## in which the substituents and indices have the meaning stated in the disclosure, that are suitable for dyeing and printing polymeric materials and for the preparation of recording liquids ... | 02/27/2001 |
| 6190422 | Phthalocyanine ink-jet dyes Phthalocyanine compounds of Formula (1) have utility as colorants in inks for ink-jet printing, where Formula (1) represents: ##STR1## which includes all IJP-effective forms of such compounds; and in which: M represents a metal or H; A represents C1... | 02/20/2001 |
| 6187059 | Shading of paper A method and a color mixture for shading paper, and a shaded paper that comprises or consists of one or more layers made of the same or different pulps, which paper is intended to be used in connection with foodstuffs. The pulp or paper layer is treated w... | 02/13/2001 |
| 6152968 | Water-soluble Quinacridones The use of water-soluble quinacridones of the formula I ##STR1## where M.sym. is a lithium, sodium, potassium or ammonium cation, R1, R2, R3 and R4 independently are hydrogen, C1 -C8 | 11/28/2000 |
| 6153734 | Oligomer azo colorants Oligomeric azo dyes having an alternating construction made up of tetrazo components and coupling components, containing in the molecule at least 2 units of the structure I ------[D--------K]------ (I) where D and K are as def... | 11/28/2000 |
| 6153122 | Triazinylaminostilbene compounds The present invention provides a hydrate of the 4,4'-di-triazinylamino-2,2'-di-sulfostilbene compound having the formula: ##STR1## in which M and M1 independently represent hydrogen, an alkaline-, an alkaline earth metal or ammonium, x is ... | 11/28/2000 |
| 6140478 | Basic azo compounds, their production and use Basic azo compounds of formula I are suitable for coloring or printing especially of paper and leather.... | 10/31/2000 |
| 6120561 | Process for the preparation of low-salt, liquid dyestuff preparations Process for the preparation of low-salt liquid dyestuff preparations, characterized in that they are obtained by: a) diazotization of an aromatic amine, b) 2-fold coupling of the diazo component obtained according to a) to I-acid-urea, in the presence of an in... | 09/19/2000 |
| 6086955 | Phthalocyanine compounds A compound of the Formula (1) and salts thereof: ##STR1## wherein: M is a metal or hydrogen; Pc is a phthalocyanine nucleus; R1 and R2 are each independently H or optionally substituted alkyl, aryl or aralkyl; R3 is an ami... | 07/11/2000 |
| 6084078 | Disazo dyestuffs for dyeing cellulosic materials The novel disazo dyestuffs of the formula (I) in which the substituents and indices have the meanings given in the description, are outstandingly suitable for dyeing cellulosic materials in red-violet to blue brilliant color shades.... | 07/04/2000 |
