Bizarre Patents
Safety System For Remove a Rider From a Vehicle by Deploying a Parachute
Methods and apparatus for reducing the velocity of a rider in or on an open cockpit vehicle when the rider is thrown from the vehicle.
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 |
| 6783539 | Phototriggerable, collagen-crosslinking compounds for wound closure A phototriggerable composition and method for use in crosslinking protein such as collagen comprising application of a tethered diazopyruvate composition followed by irradiation, whereby the composition results in the sutureless wound closure of, for example, a tend... | 08/31/2004 |
| 6504045 | Crystal polymorphs of a yellow disazo colorant, and their preparation The invention relates to six new crystal polymorphs, (alpha), ଲ (beta), γ (gamma), δ (delta), .zeta. (zeta), and η (eta), of the disazo colorant of the formula I, ##STR1## having characteristic reflections in the X-ray diffraction spectru... | 01/07/2003 |
| 6448384 | Bisazo compound and electrophotographic photoconductor using the same An electrophotographic photoconductor has an electroconductive support, and a photoconductive layer formed thereon which contains at least one bisazo compound of formula (I): ##STR1## wherein Cp1 and Cp2 are each a coupler radical wh... | 09/10/2002 |
| 6153733 | (Disulfonyl diazomethane compounds) Disclosed is a poly(disulfonyl diazomethane) compound as a class of novel compounds represented by the general formula ##STR1## in which the subscript n is 1 to 5, each R is a monovalent hydrocarbon group and Z is a divalent hydrocarbon group. The in... | 11/28/2000 |
| 6107491 | Polymerizable diketopyrrolopyrroles Diketopyrrolopyrroles of formula I ##STR1## wherein R1 is a radical of formula II --Y--X--Z--Q (II), wherein Y is --CR3 R4, --SO2 --, --CO--, --Si(Hal)2 --, ... | 08/22/2000 |
| 5919944 | Polymerisable diketopyrrolopyrroles Diketopyrrolopyrroles of formula I ##STR1## wherein R1 is a radical of formula II --Y--X--Z--Q (II), wherein Y is --CR3 R4, --SO2 --, --CO--, --Si(Hal)2 --, ... | 07/06/1999 |
| 5866295 | Photosensitive quinolone compounds and a process of preparation The present invention relates to novel photosensitive quinolone compounds, specifically novel 3-diazo 2,4-quinolinedione compounds, that may be used in a variety of applications, such as, photosensitive coating compositions, pharmaceuticals, agricultural,... | 02/02/1999 |
| 5821373 | Solid sloutions of 1,4-diketopyrrolopyrroles Solid solutions consisting of 3,6-bis(biphenyl-4-yl)- 2,5-dihydropyrrolo3,4-c!pyrrole-1,4-dione and either a) a second 1,4-diketopyrrolopyrrole or b) a quinacridone, which are further defined herein, are outstandingly suited to pigmenting high molecular... | 10/13/1998 |
| 5811529 | Bis-pyridone compounds A fiber reactive dye having the formula ##STR1## wherein R1 and R3 are independently selected from the group consisting of; hydrogen; an alkyl group having from one to four carbon atoms; the foregoing alkyl group further substit... | 09/22/1998 |
| 5756689 | Diazo compounds for laser-induced mass transfer imaging materials The invention relates to a method of increasing the sensitivity of laser induced thermal imaging by using certain diazo compounds. The diazo compounds contain functional groups adjacent the diazo substituent capable of stabilizing these compounds. The inv... | 05/26/1998 |
| 5688627 | Light sensitive diazonium compounds having both bisulfate and zincate parts, method of making the compounds and compositions utilizing them A water soluble diazonium salt composition made by the condensation of diazoaryl amines and aldehydes and precipitated to form a polymeric anionic species having both ZnCl4= and HSO4- moieties. These composition... | 11/18/1997 |
| 5534623 | Process for preparing a polyunsaturated diazonium compounds Polyunsaturated diazonium compounds suitable for use in negative working radiation sensitive compositions are provided. They may be produced by reacting an aromatic diazonium compound of the formula (A- N2+)p --Ar--(... | 07/09/1996 |
| 5466789 | Polyunsaturated diazonium compounds Polyunsaturated diazonium compounds suitable for use in negative working radiation sensitive compositions are provided. They may be produced by reacting an aromatic diazonium compound of the formula (A- N2+)p--Ar--(R)q--(XH)r w... | 11/14/1995 |
| 5459247 | Bisazo compounds useful as charge generating materials Bisazo compounds useful as charge generating materials having formula (I) are disclosed: ##STR1## wherein R represents hydrogen, an alkyl group having 1 to 4 carbon atoms, an alkoxyl group having 1 to 4 carbon atoms or a nitro group.... | 10/17/1995 |
| 5430130 | Photosensitive polyfunctional aromatic diazo compounds useful in photosensitive compositions An photosensitive polyfunctional aromatic diazo compound having at least two groups of Formula (uD) in the molecule, and a photosensitive composition using the same. The diazo compound can be handled under visible light free from ultraviolet, is highly ph... | 07/04/1995 |
| 5317093 | Bisazo compounds useful as organic photoconductive materials Bisazo compounds, useful as organic photoconductive materials, having formula (I) or (II) are disclosed: ##STR1## wherein R represents hydrogen, an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms or a nitro group; ... | 05/31/1994 |
| 5312906 | Optical information recording media and bisazo compounds for use therein Bisazo compounds of formula (I), an intermediate for producing the bisazo compound of formula (I), and trisazo compounds of formula (II) for use in optical information recording media, and methods of producing these compounds are disclosed: ##STR1## ... | 05/17/1994 |
| 5310618 | Light-sensitive compositions and articles utilizing a compound or polymer containing an aromatic diazonium salt group and a light-absorbing residue of a sensitizing dye for trichloromethyl-s-triazine or azinium salt photopolymerization initiators A light-sensitive composition comprising either an alkali-soluble resin or radical-polymerizable, unsaturated compound, and a diazonium compound represented by general formula (I) or (II): (S)1 --(L1)m --(D)n ... | 05/10/1994 |
| 5308735 | Photosensitive diazo resins and resin compositions for lithographic printing having a quaternary ammonium salt-containing group Disclosed is a photosensitive diazo resin for lithographic printing represented by the formula: ##STR1## wherein X- is a counter anion, Y is a divalent bonding group selected from the group consisting of --NH--, --S-- and --O--, R1 | 05/03/1994 |
| 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 |
| 5256517 | Positive-working radiation-sensitive mixture and recording material for exposure to UV radiation containing polyfunctional compound having -ଲ-keto ester units and sulfonate units A positive-working radiation-sensitive mixture is described which essentially contains a photoactive component and a water-insoluble binder which is soluble, or at least swellable, in aqueous alkaline solution, wherein a compound is used, as photoactive c... | 10/26/1993 |
| 5206349 | Aromatic diazo compounds and photosensitive compositions using the same An aromatic diazo compound having at least two groups of Formula (I) in the molecule. This aromatic diazo compound can be handled under visible light free from ultraviolet, is high in photosensitivity, and can be produced by a simple synthesis method. The... | 04/27/1993 |
| 5200291 | Photosensitive diazonium resin, element made therefrom, method of preparing the resin and method for producing negative lithographic image utilizing the resin A polymeric compound having the formula ##STR1## wherein x ranges from about 0.05 to about 0.5 y ranges from about 0.80 to about 0.35 z ranges from about 0.10 to about 0.25 n ranges from about 50 to about 1500 R is selected from the group consisting of phenyl ... | 04/06/1993 |
| 5191069 | Polyfunctional compounds containing -diazo-ଲ-keto ester units and sulfonate units Polyfunctional compounds containing -diazo-ଲ-keto ester units and sulfonate units are disclosed. The polyfunctional compounds have high sensitivity in the deep UV and high thermal stability. Processes for producing the compounds are disclosed... | 03/02/1993 |
| 5175258 | Processes for the preparation of bisazo photogenerating pigments using an annealing step A process for the preparation of photogenerating pigments which comprises the reaction of a diaminofluorenone with an alkali nitrite, an acid, and a tetrafluoroborate; thereafter reacting the resulting product with an anilide coupler; and subsequently ann... | 12/29/1992 |
| 5145997 | Poly (alkylene oxide) substituted acetoacetanilides Poly (alkylene oxide) substituted acetoacetanilides of the formula: ##STR1## wherein B comprises a divalent bridging moiety selected from the group consisting of C1 -C6 alkylene, --NHSO2 --, --O--, --CO--, --COO--, an... | 09/08/1992 |
| 5097022 | Bisazo pigments for use in electrophotographic photoconductors An electrophotographic photoconductor comprises an electroconductive support and a photoconductive layer formed thereon comprising a bisazo compound having the formula (I) serving as a charge generating material: ##STR1## wherein Y represents a halog... | 03/17/1992 |
| 5081233 | Bisazo compounds and electrophotographic photoconductors comprising the bisazo compounds A bisazo compound of the general formula: ##STR1## where Ar is selected from the group consisting of substituents (a) ~ (i), a dinitro compound, a diamino compound, and a tetrazonium salt, which respectively serve as a starting material, a first int... | 01/14/1992 |
| 5075427 | Polymer surface modification using aqueous stable diazo solution The present invention is directed to aqueous compositions of organic diazo compounds which are capable of being readily handled in commercial applications and to the surface modification of polymeric substrates utilizing the subject diazo composition.... | 12/24/1991 |
| 5062894 | Poly (alkylene oxide)-modified diarylide pigment composition Diarylide pigment compositions useful for preparing storage stable printing inks (especially of the publication gravure type) are prepared using a poly (alkylene oxide) substituted acetoacetanilide together with a typical acetoacetanilide and coupling the... | 11/05/1991 |
| 5055367 | Imaging members with bichromophoric bisazo perinone photoconductive materials Disclosed is an imaging member which comprises a conductive substrate and a photogenerating layer containing a compound selected from the group consisting of: ##STR1## and mixtures thereof, wherein Cp represents a coupler group.... | 10/08/1991 |
| 4996301 | Polyfunctional -diazo-ଲ-keto esters and their use in light-sensitive compositions Polyfunctional -diazo-ଲ-keto esters of the general formula I are described ##STR1## in which R1 denotes an aliphatic, cycloaliphatic or araliphatic or aromatic radical having 4 to 20 carbon atoms, in which individual CH2 | 02/26/1991 |
| 4987258 | 4,4'-diaminodiphenyl compounds, process for their preparation and their use The invention relates to 4,4'-diaminodiphenyl compounds of the formula I ##STR1## in which X denotes the n-propyl, isopropyl, n-butyl, isobutyl, 1-methylpropyl, n-propoxy, isopropoxy, isobutoxy, 1-methylpropoxy or 2-methoxyethoxy radical and A is 0 o... | 01/22/1991 |
| 4987221 | Bisdiazonium salts of 4,4'-diamino-3,3'-dialkoxybiphenyls and a process for their preparation Bisdiazonium salts of the formula (1) ##STR1## in which R denotes a linear or branched alkyl or alkoxyalkyl radical having 3-5 carbon atoms and X- represents the radical of a strong acid or of a zinc chloride double salt, and a process for... | 01/22/1991 |
| 4973672 | Water-soluble aminonaphthol disazo dyestuffs, their preparation and their use Coloring natural or synthetic fiber material containing hydroxyls or nitrogen is achieved by printing or dyeing the fiber material with a water-soluble disazo dyestuff of the formula ##STR1## wherein R1 is alkyl, alkoxy or alkoxyethoxy, ea... | 11/27/1990 |
| 4946508 | Disazo pyrazolone pigment compositions Disazo pyrazolone pigments are provided which have improved properties achieved by incorporating certain azomethine compounds. The pigment is prepared by reacting a primary amine terminated alkylene oxide polymer and acetoacetanilide or substituted acetoa... | 08/07/1990 |
| 4946509 | Diarylide pigment compositions Diarylide pigments modified with alkylene oxide polymers. The modified pigments are useful in both water-based and solvent-based coating and ink compositions.... | 08/07/1990 |
| 4914000 | Three dimensional reproduction material diazonium condensates and use in light sensitive A light-sensitive compound having the formula: ##STR1## wherein R3 is selected from the group consisting of phenyl and C1 to C4 alklyl substituted phenyl. --K-- is selected from the group consisting of ##STR2## ... | 04/03/1990 |
| 4902601 | Radiation sensitive polymeric diazonium salt and methods of making the polymeric diazonium salt Radiation sensitive material suitable for the production of radiation sensitive plates for lithographic printing plate manufacture is based on a polymer including a plurality of structural units represented by the formula: ##STR1## in which, R r... | 02/20/1990 |
| 4889924 | Bisazo compounds A bisazo compound having good electrophotographic properties is disclosed, which is represented by formula (I) ##STR1## wherein X represents a hydrogen atom, a chlorine atom or a nitro group. A process for producing the bisazo compound is also disclo... | 12/26/1989 |
