Bizarre Patents
A simulation environment for the sport of boxing utilizing a robotic machine interface system which carries a person
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 |
| 6001980 | Polyester toner composition for electrophotographic imaging systems This invention provides a free-flowing polyester dye powder which has superior stability and transparency for application in electro-photographic imaging systems. In another embodiment this invention provides novel chromophoric diester monomers which are ... | 12/14/1999 |
| 5545400 | Deodorant method A deodorant containing an azo metal complex expressed by the following structural formula 1, which is produced by mixing a solution in which azo compounds to be ligands are dissolved with a solution in which a metal salt is dissolved: ##STR1## I... | 08/13/1996 |
| 5489671 | Trisazo compound imparting black color, method for dyeing by using it and ink containing it A trisazo compound represented by the following formula (1) in the free acid form: ##STR1## wherein Q' is phenylene group, Q2 is phenyl or naphtyl group, one of the A and B is a hydroxy group and the other is an amino group, K is 1 or ... | 02/06/1996 |
| 5178671 | Ink, and ink-jet recording method and apparatus employing the ink Provided is an ink comprising a recording agent and a liquid medium for dissolution or dispersion thereof, the recording agent being a compound represented by the general formula ##STR1## where R1 is a radical selected from the group of lo... | 01/12/1993 |
| 5001226 | Metal-free disazo and polyazo compounds having at least one 6-hydroxypyrid-2-one coupling component radical linked to a 1-amino- or hydroxy-3-amino- or hydroxybenzene coupling component radical and metal complexes thereof Compounds of the formula ##STR1## 1:1 and 1:2 metal complexes thereof, salts of such compounds and metal complexes and mixture thereof, wherein each of B1 and B2 is independently hydroxy or amino, each D is independently ##STR2#... | 03/19/1991 |
| 4874848 | Asymmetrical polyazo chromium complex dyes comprising resorcinol as a coupling component Dyes which are 1:2-chromium complexes, containing one azo dye or azomethine dye and one disazo dye or trisazo dye. The dyes are suitable for dyeing wool, synthetic polyamides and leather.... | 10/17/1989 |
| 4701525 | Polyazo dyestuffs having high UV absorption Compounds of the formula in which A is the radical of a bisazo or trisazo dye, L and L' are organic radicals and B and B' are cyclic organic radicals and at least one of the radicals B and B' has spectral absorption in the UV region and one of the radical... | 10/20/1987 |
| 4665162 | 1:1 and 1:2 metal complexes of sulfo group-free azo compound having on average at least 1.3 basic water-solubilizing groups Metal-free azo compounds of the formula ##STR1## wherein Ra is an aromatic group or an active methylene coupling component radical as defined in the specification, Rt is an arylazo group or a group of the formula --Y--Z, wherein Y is a direct b... | 05/12/1987 |
| 4656256 | Benzoazoresorcinol dyes containing a quaternized aminoalkylene oxycarbonyl group Compounds of the formula ##STR1## where Y is chlorine or bromine, Z is hydrogen, chlorine, bromine, a sulfonic ester group, nitro or unsubstituted or substituted sulfamyl, X is --O-- or ##STR2## R is alkylene which may or may not be interru... | 04/07/1987 |
| 4587292 | Sulfo group-free azo compounds having on average at least 1.3 basic water-solubilizing groups in metal-free, 1:1 metal complex or 1:2 metal complex form Metal-free azo compounds of the formula ##STR1## wherein Ra is an aromatic group or an active methylene coupling component radical as defined in the specification, Rt is an arylazo group or a group of the formula --Y--Z, wherein Y is a direct b... | 05/06/1986 |
| 4169831 | Water-soluble tetrakisazo dyestuffs derived from 4,4'-diaminoazobenzene Dyestuffs of the formula: ##STR1## in which C2 represents the radical of the formula: ##STR2## where X is NH2 or OH, C1 and C3 are different residues of molecules C1 H and C3 H fr... | 10/02/1979 |
| 4137228 | Water-soluble, copper containing trisazo compounds having a 2-(4'phenylene)-benzimidazoyl-(5 or 6),-benzoxazolyl-(5), or -benzthiazolyl-(5) component Trisazo dyes of high tinctorial strength and excellent fastness have the structure ##STR1## where one of M and M1 is ##STR2## as more fully set out below.... | 01/30/1979 |
| 4081437 | Water soluble polyazo dyestuffs Dyestuffs of the formula: ##STR1## in which C2 represents the radical of the formula: ##STR2## where X is NH2 or OH, C1 and C3 are different residues of molecules C1 H and C3 H fr... | 03/28/1978 |
| 3969339 | Water-soluble pentakis-azo dyestuffs derived from 4,4'-diaminoazobenzene The invention is directed to pentakisazo dyestuffs of the formula: ##SPC1## In which A1 and A2 may be the same or different and each is monosulphonaphthylene, hydroxy-monosulpho-naphthylene or hydroxy-disulphonaphthylene and B1 | 07/13/1976 |
