U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Quotables

"There is practically no chance communications space satellites will be used to provide better telephone, telegraph, television, or radio service inside the United States."

T. Craven, FCC Commissioner ; 1961

Newsletter  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.

 

Attorney: Crichton; David R., Mansfield; Kevin T.


Number of patents: 16
Last date: August 07, 2001

NumberTitleIssue Date
6271401Fluorescent anthraquinoid pigments
Compounds of formula A(B)x, (I), wherein x is an integer from 1 to 4, A is the radical of a chromophore of the quinacridone, anthraquinone, perylene, indigo, quinophthalone, isoindolinone, isoindoline, dioxazine, phthalocyanine or azo series, which...
08/07/2001
6261359Fluorescent pigments
Compounds of formula A(B)x, (I), wherein x is an integer from 1 to 4, A is the radical of a chromophore of the quinacridone, anthraquinone, perylene, indigo, quinophthalone, isoindolinone, isoindoline, dioxazine, phthalocyanine or azo series, whic...
07/17/2001
6160037Reactive extrusion of latent pigments
Pigment composition obtainable by (a) mixing a latent pigment with a polymerizable substance, and (b) treating the mixture of step (a) with heat while mixing the reaction mixture, and (c) cooling the treated reaction mixture to room temperature, and, if desire...
12/12/2000
6146809Fluorescent host-guest-system
Composition comprising a solid organic support material to which either directly or via a bridging group, are covalently linked fluorescent host chromophores and fluorescent guest chromophores, wherein the fluorescence emission spectrum of the host chromo...
11/14/2000
6127549Fluorescent indigo pigments
Compounds of formula: A(B)x, (I), wherein x is an integer from 1 to 4, A is the radical of a chromophore of the quinacridone, anthraquinone, perylene, indigo, quinophthalone, isoindolinone, isoindoline, diox...
10/03/2000
6013777Process for the preparation of fluorescent pigments
Compounds of formula A(B)x, (I), wherein x is an integer from 1 to 4, A is the radical of a chromophore of the quinacridone, anthraquinone, perylene, indigo, quinophthalone, isoindolinone, isoindoline, dioxa...
01/11/2000
5811081Use of hydroxybenzotriazoles for enhancing the sun protection factor of cellulosic fibre materials
The invention relates to the use of the compound of formula ##STR1## wherein the variables are as defined in the claims, for enhancing the sn protection factor of cellulosic fiber materials....
09/22/1998
5735911Fibre-reactive dyes and dye mixtures and their use
The invention relates to dye mixtures which contain dyes of the formulae ##STR1## and to dyes of the formula ##STR2## in which A1, A2, A3, B, B1, R1, R2, R3, R4
04/07/1998
5731421Monoazo dyes having a fiber-reactive 2-vinylsulfonyl-5-sufoaniline diazo component and a fiber-reactive halotriazinyl-substituted coupling component of the benzene or naphthalene series
Reactive dyes of the formula ##STR1## in which K and Z are as defined in claim 1, are suitable in particular for the dyeing and printing of cellulose-containing fibre material and produce dyeings and prints having good fastness properties in high col...
03/24/1998
5725606Azo dye mixtures and the use thereof
Dye mixtures comprising at least one dye of formula ##STR1## together with at least one dye of formula ##STR2## wherein R1 and R2 are each independently of the other hydrogen, C1 -C4 alkyl, C1
03/10/1998
5725604Thermofixing of dyes in presence of polymerizable compound and an initiator
The present invention relates to a process for dyeing or printing organic material, which comprises applying at last one dye selected from those containing a chromophore radical from the monoazo, polyazo, metal complex azo, anthraquinone, phthalocyanine, ...
03/10/1998
5723587Azo dyes
Disperse dyes of formula ##STR1## wherein D is the radical of a diazo component of the benzene, naphthalene, diphenyl, azobenzene, thiophene, benzothiazole, benzisothiazole, thiazole, thiadiazole, indazole, benzotriazole, pyrazole, anthraquinone, ...
03/03/1998
5718730Fibre-reactive anthraquinone dyes, process for their preparation, and their use
Anthraquinone dyes of the formula ##STR1## in which R1, R2, R3, R4 and R5 independently of one another are hydrogen or are substituted or unsubstituted C1 -C12 alkyl, X...
02/17/1998
5717078Reactive dyes, containing two triazinyl radicals which are bridged via an aliphatic or aromatic bridge member
Reactive dyes of the formula ##STR1## in which R1, R2, R3 and R4 independently of one another are hydrogen or substituted or unsubstituted C1 -C4 alkyl, X1 and X2...
02/10/1998
5712376Azo reactive dyes, their preparation and use
Described are compounds of formula ##STR1## which are suitable as fiber-reactive dyes for dyeing a wide range of fiber materials....
01/27/1998
5710258Azo dyes
The invention relates to compounds of formula ##STR1## The compounds of formula (1) are suitable as dye for dyeing or printing hydroxyl group-containing or nitrogen-containing fibre materials and give dyeings of prints having good allround fastness p...
01/20/1998
 
Sign InRegister
Username  
Password   
forgot password?