Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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 |
| 7834214 | Aromatic amine derivative and organic electroluminescence device employing the same A specified aromatic amine derivative having a naphthalene structure bonding to diphenylamino group with a substituent. An organic electroluminescence device which comprises at least one organic thin film layer comprising a light emitting layer sandwiched between a ... | 11/16/2010 |
| 7547806 | Tannate salt of rasagiline The subject invention provides rasagiline tannate, compositions and a process for manufacture thereof. ... | 06/16/2009 |
| 7413682 | Antioxidants and methods of making antioxidants Antioxidants for industrial, automotive, and aviation lubricants and methods of making the same are provided. A process using alkylated diphenylamines; alkylated phenyl-α-naphthyl amines; and a metal catalyst to form oxidates is provided. The metal catalyst is a co... | 08/19/2008 |
| 7402344 | Organic electroluminescent devices and aminostyrylnaphthalene compounds An organic electroluminescent device includes an anode, a cathode, and an organic layer having a light-emitting area and arranged between the anode and the cathode. The organic layer contains in at least a part thereof at least one aminostyrylnaphthalene compound re... | 07/22/2008 |
| 7365231 | Compound with antitumor activity and preparation method therefor The present invention provides the diaminophenyladamantane derivatives with antitumor activities and the preparation method therefore. The method includes a step of reacting an aromatic diol with at least one 5-halo-2-nitrophenol in the presence of at least one inor... | 04/29/2008 |
| 7307049 | Antioxidants for synthetic lubricants and methods and manufacture Provided are compounds of formula wherein R1 is linear or branched alkyl; AR is phenyl, naphthyl, or phenanthryl; and m is 0, 1, or 2; and R2 is an alkyl substituted carboxyl. ... | 12/11/2007 |
| 7196224 | 1,3,5-tris(arylamino)benzenes The invention provides 1,3,5-tris(arylamino)benzenes represented by the general formula (I) wherein A is naphthyl, anthryl, phenanthryl, biphenylyl or terphenylyl group, and R is alkyl having 1–6 carbon atoms o... | 03/27/2007 |
| 7083867 | Peropyrene compound, organic electroluminescent element and organic electroluminescent display An organic electroluminescent element contains a positive electrode, a negative electrode, and a thin organic layer arranged between the positive electrode and the negative electrode, wherein the thin organic layer comprises, as a luminescent material, a peropyrene ... | 08/01/2006 |
| 7060787 | Extraction of impurities from grafted polyolefins A process for purifying grafted polyolefins by extraction is disclosed. The purified grafted polyolefins have improved color and adhesion properties. The extraction is performed with an azeotropic solvent that is strong enough to extract impurities but does not caus... | 06/13/2006 |
| 6955856 | Biphenyl derivatives and organic electroluminescent device employing the same A biphenyl derivative having an amino group with or without alkoxy substituent in the biphenyl backbone, and an organic electroluminescent device using the same. ... | 10/18/2005 |
| 6936189 | Cyclic tertiary amine compound and organic electroluminescent device containing the compound A cyclic tertiary amine compound represented by a formula (1) and an organic luminescent device are disclosed. Use of the cyclic tertiary amine compound as a hole transport material, a hole injection material or an organic electroluminescent material can provide org... | 08/30/2005 |
| 6849345 | Organic electroluminescent devices with high luminance Disclosed is a multilayer electroluminescent device comprising a cathode, an anode, a light emitting layer (LEL) and a layer disposed between the cathode and anode containing a naphthalene compound represented by formula (1): | 02/01/2005 |
| 6830833 | Organic light-emitting device based on fused conjugated compounds Fused conjugated polymers having the following general formula wherein X=C or N; R1-R16 is independently selected from H, D, alkyl, alkoxyl, silyl, aromatic ring, fused aromatic ring, heteroaromat... | 12/14/2004 |
| 6710089 | Substituted N-fused-phenyl-N-benzyl aminoalcohol compounds useful for inhibiting cholesteryl ester transfer protein activity The invention relates to substituted polycyclic aryl and heteroaryl tertiary-heteroalkylamine compounds useful as inhibitors of cholesteryl ester transfer protein (CETP; plasma lipid transfer protein-I) and compounds, compositions and methods for treating atheroscle... | 03/23/2004 |
| 6646164 | Triphenylamine derivative and organic electroluminescence device comprising the same A triphenylamine derivative represented by the following general formula (1): ##STR1## wherein R1, R2, R3, R4, R5 and R6 may be the same or different and each represents a hydrogen atom, al... | 11/11/2003 |
| 6632543 | Amine compound and organic electroluminescence device using the compound An amine compound having a m-terphenyl group exhibits excellent heat resistance when the compound is used as a material constituting an organic electroluminescence device (an organic EL device). An organic EL device using the amine compound exhibits excel... | 10/14/2003 |
| 6613917 | Amines substituted with a dihydronaphthalenyl, chromenyl, or thiochromenyl group, an aryl or heteroaryl group and an alkyl group, having retinoid-like biological activity Compounds of the formula ##STR1## where the symbols are as defined in the specification, have retinoid agonist, antagonist or negative hormone-like biological activity.... | 09/02/2003 |
| 6541129 | Organic electroluminescence device and phenylenediamine derivative The invention is to provide an organic EL device having a long life time that can reduce the driving voltage of the organic EL device, and to provide a material having a small ionization potential and exhibiting a large hole mobility by using as a layer o... | 04/01/2003 |
| 6528685 | Compositions containing and methods of using 1-aminoindan and derivatives thereof and process for preparing optically active 1-aminoindan derivatives Novel derivatives of 1-aminoindan and their salts are described. Optically active 1-aminoindan derivatives are prepared by reacting a N-benzyl analog of the desired compound with an enantiomer of mandelic acid. Parkinson's disease, dementia, epilepsy, con... | 03/04/2003 |
| 6525212 | Bis(aminostyryl)benzene compounds and synthetic intermediates thereof, and process for preparing the compounds and intermediates A bis(aminostyryl)benzene compound of the following general formula [I] is provided ##STR1## wherein R2 and R3 independently represent an unsubstituted aryl group, and R1 and R4 independently represent an aryl g... | 02/25/2003 |
| 6448295 | Use of substituted N-fused-phenyl-N-benzyl aminoalcohol compounds for inhibiting cholesteryl ester transfer protein activity The invention relates to substituted polycyclic aryl and heteroaryl tertiary-heteroalkylamine compounds useful as inhibitors of cholesteryl ester transfer protein (CETP; plasma lipid transfer protein-I) and compounds, compositions and methods for treating... | 09/10/2002 |
| 6441049 | Method of treating neurodegenerative disorders via inhibition of amyloid beta peptide binding The invention is directed to a method of treating a neurodegenerative disorder in a subject in need thereof which comprises administering to the subject an amount of a compound effective to inhibit the interaction of amyloid-beta with alpha-7 nicotinic ac... | 08/27/2002 |
| 6426324 | Lubricant composition An antioxidant composition suitable for ester fluid lubricants is the reaction product of diphenylamine and N-aryl naphthylamine in the presence of an organic peroxide. The mole ratio of diphenylamine:N-aryl naphthylamine is about 1:1 to about 10:1. This ... | 07/30/2002 |
| 6376106 | Diaminonaphthalene derivative and organic electroluminescent device using the same A diaminonaphthalene derivative of formula (1): ##STR1## wherein R21 to R30 independently and individually represent a hydrogen atom, a halogen atom, a C1-C6 alkyl group, a C1-C6 alkoxy group, a substituted or unsubstituted amino gro... | 04/23/2002 |
| 6335303 | Polymerization catalysts containing electron-withdrawing amide ligands The present invention describes methods of making a series of amine-containing organic compounds which are used as ligands for group 3-10 and lanthanide metal compounds. The ligands have electron-withdrawing groups bonded to them. The metal compounds, whe... | 01/01/2002 |
| 6329084 | Compound for organic electro-luminescence device and organic electro-luminescence device using the compound Compounds for organic EL devices which emit light of red, have a high light emission brightness and have a long lifetime of light emission, and organic EL devices using the above compounds, the light-emitting materials being compounds of the formula [1], ... | 12/11/2001 |
| 6133480 | Preparation of N-phenyl-1-naphthylamine N-Phenyl-1-naphthylamine can be prepared by reaction of aniline and 1-naphthylamine in the liquid phase at 100-400° C. under normal pressure, a catalyst mixture comprising boron and fluorine being employed. Such catalyst mixtures can be obtained, for exa... | 10/17/2000 |
| 6074734 | Organic electroluminescence device, organic thin film, and triamine compound The present invention provides a triamine compound represented by general formula (I): ##STR1## an organic luminescence device which comprises an organic layer and a pair of electrodes disposed on both sides of the organic layer wherein the orga... | 06/13/2000 |
| 6054618 | Preparation of N-phenyl-1-naphthylamine N-phenyl-1-naphthylamine can be prepared by reacting aniline and 1-naphthylamine in the liquid phase at 100-400° C. at a reaction pressure which is higher than atmospheric pressure. Boron and fluorine-containing catalysts, mono or polysulfonic acids, iod... | 04/25/2000 |
| 5840980 | Diamine compounds and electrophotographic photoreceptor A diamine compound of the following formula (1): ##STR1## wherein R1 is a hydrogen atom, a lower alkyl group or a lower alkoxy group, each of A1, A2 and A3 which are independent of one another, is a substit... | 11/24/1998 |
| 5773463 | Indane and tetrahydronaphthalene derivatives as calcium channel antagonists This invention describes the use of aminoindane and amino-tetrahydronaphthalene derivatives of general formula (I) ##STR1## in which Ar, X, R1, R2 and n are defined in claim 1, for the manufacture of a medicament for the treatme... | 06/30/1998 |
| 5767315 | Naphthylenediamine derivative The present invention provides a novel naphthylenediamine derivative which is superior in electric charge transferring capability, compatibility with binding resin and stability. The above naphthylenediamine derivative is represented by the following gene... | 06/16/1998 |
| 5631404 | Diamine compounds for use in electrophotographic photoconductors An electrophotographic photoconductor includes an electroconductive support and a photoconductive layer formed thereon containing a diamine compound represented by formula (I): ##STR1## wherein R1, R2, and R3 each is ... | 05/20/1997 |
| 5382692 | Electrophotographic photoconductors and tertiary amine compounds having condensed polycyclic group for use in the same An electrophotographic photoconductor comprising an electroconductive support, and a photoconductive layer formed thereon comprising at least one tertiary amine compound having a condensed polycyclic hydrocarbon group of formula (I): ##STR1## wh... | 01/17/1995 |
| 5319069 | Polyether compounds and electrophotographic photoconductor comprising one polyether compound An electrophotographic photoconductor comprising an electroconductive support and a photoconductive layer formed thereon comprising as an effective component at least one polyether compound represented by formula (I): ##STR1## wherein Ar represe... | 06/07/1994 |
| 5292896 | Amino styrene derivatives Styrene derivatives of the formula ##STR1## and an electrophotographic photoconductor comprising an electroconductive support material and a photosensitive layer comprising at least one styrene derivatives of the same formula are disclosed, in which ... | 03/08/1994 |
| 5200561 | Process for producing optically active amines Disclosed is a process for producing an optically active amine represented by the formula (IV) ##STR1## wherein R7 and R8 each denote an alkyl group, aryl group or aralkyl group, providing that they do not denote the same group ... | 04/06/1993 |
| 5191121 | Aroyl ketone derivative, UV ray absorber comprising the same, and cosmetic composition containing the same A novel aroyl ketone derivative represented by formula (I) is disclosed. Ar(COCH2 COR1)n (I) wherein R1 represents a saturated or unsaturated hydrocarbon group having 1-24 carbon atoms, or a li... | 03/02/1993 |
| 5166438 | 1,3-pentadiene derivatives and electrophotographic photoconductor using the same A charge transporting material comprising a 1,3-pentadiene derivative having formula (I): A--CH.dbd.CH--CH.dbd.CH--CH2 --A (I) wherein A represents a 9-anthryl group which may have a substituent, a N-substituted carbazolyl group... | 11/24/1992 |
| 5160647 | Substituted 1-aminonaphthalenes and stabilized compositions Substituted 1-aminonaphthalenes of formula I ##STR1## wherein n is 1-3, Ar is arylene, R1 and R2 are independently hydrogen, alkyl or phenyl, R3 is hydrogen, alkyl or substituted alkyl, and R4 and R5 | 11/03/1992 |
