| Patent Number |
Title Of Patent |
Date Issued |
| RE33815 |
Heat sensitive record sheet |
February 4, 1992 |
| A heat sensitive record sheet which comprises a coated layer comprising 2-anilino-3-methyl-6-dibutylaminofluoran. |
| D328486 |
Trap for catching and killing insects, snails and slugs |
August 4, 1992 |
|
| 7589163 |
Peel-treating agent and method for producing the peel-treating agent |
September 15, 2009 |
| A peel-treating agent comprising a reaction product of an aliphatic isocyanate having an aliphatic group of at least 8 carbon number with an ethylene/vinyl alcohol copolymer or polyvinyl alcohol as an effective component, wherein a bisurea form content in the reaction product is at m |
| 7402701 |
Organic EL devices and production process thereof |
July 22, 2008 |
| An organic electroluminescent device comprising a light-emitting layer between a pair of electrodes, the light-emitting layer comprising a mixture of a hole-transporting material consisting of a tertiary amine compound, an electron-transporting material and a light-emitting additive |
| 7402369 |
Mono azo iron complex compound, and charge controlling agent and toner using the same |
July 22, 2008 |
| The present invention is to provide a charge controlling agent and negatively chargeable toner that do not contain any toxic metal, are essentially free from the risk of evoking ignition or explosion, and can exhibit a high charge amount and rapid initial increase in charging.The cha |
| 7193028 |
Peel-treating agent and method for producing the peel-treating agent |
March 20, 2007 |
| A peel-treating agent comprising a reaction product of an aliphatic isocyanate having an aliphatic group of at least 8 carbon number with an ethylene/vinyl alcohol copolymer or polyvinyl alcohol as an effective component, wherein a bisurea form content in the reaction product is at m |
| 7094512 |
Electrophotographic printing method, monoazo iron complex compound, charge controlling agent usi |
August 22, 2006 |
| An electrophotographic printing method which comprises using a charge controlling agent containing a monoazo iron complex compound of the formula (1) as an effective component, ##STR00001## wherein A.sub.1, A.sub.2, B.sub.1 and B.sub.2 are respectively independently H, an alkyl grou |
| 6919419 |
AROMATIC BLOCK POLYCARBONATE RESIN, DIPHENOL COMPOUND FOR PREPARATION OF THE POLYCARBONATE RESIN |
July 19, 2005 |
| An aromatic block polycarbonate resin is prepared by polymerizing a diphenol compound of formula (2) or (4), a diol compound of formula (1) or (5), and a halogenated carbonyl compound. The diphenol compound of formula (4) is produced by polymerizing the diphenol compound of formula (2) a |
| 6897000 |
Charge controlling agent, method for producing the same and toner for developing electrostatic i |
May 24, 2005 |
| A method for producing a charge controlling agent comprisinig a reaction product of an aromatic hydroxycarboxylic acid and a calcium compound bonded by at least one bondinig system selected from the group consisting of coordinate bonding, covalent bonding and ionic bonding, characterized |
| 6861453 |
Process for producing a urethane-modified polyisocyanurate foam |
March 1, 2005 |
| A process for producing a urethane-modified polyisocyanurate foam having excellent characteristics such as flame retardancy, heat resistance and low smoking property, and further having improved initial adhesion, particularly adhesion after a relatively long period of time, to a facing |
| 6858161 |
Method for purifying electronic item material |
February 22, 2005 |
| A method for purifying an electronic item material, which comprises dissolving an electronic item material or its intermediate product in an organic solvent and having the solution contacted with activated clay at a temperature of 65.degree. C. to 200.degree. C. |
| 6790574 |
Electrophotographic photoreceptor |
September 14, 2004 |
| An electrophotographic photoreceptor having a photosensitive layer containing, as a charge transporting material, at least one indane compound of the formula (1), ##STR1##and at least one polycarbonate resin of the formula (4) ##STR2##and/or an organic additive containing at least on |
| 6780964 |
Method for preparing polyether polyol copolymer |
August 24, 2004 |
| A method for preparing a polyether polyol copolymer includes the step of copolymerizing (1) a cyclic ether represented by the following formula (I): ##STR1##wherein x is an integer ranging from 2 to 10; (2) a diol represented by the following formula (II):wherein x is the same as tha |
| 6552211 |
Zirconium compound and electrophotographic toner employing it |
April 22, 2003 |
| The present invention relates to a novel zirconium compound which is useful as a charge control agent for an electrophotographic toner. Further, it relates to an electrophotographic toner which contains said zirconium compound as a charge control agent. |
| 6541530 |
Urethane-modified polyisocyanurate foam |
April 1, 2003 |
| A urethane-modified polyisocyanurate foam obtained by reacting (A) a polyisocyanate compound component, (B) a polyol component, containing a modified phenolic resin obtained by adding 20 to 100 parts by weight of a polyhydric alcohol or its alkylene oxide adduct to 100 parts by weight of |
| 6410198 |
Zirconium compound and electrophotographic toner employing it |
June 25, 2002 |
| The present invention relates to a novel zirconium compound which is useful as a charge control agent for an electrophotographic toner. Further, it relates to an electrophotographic toner which contains said zirconium compound as a charge control agent. |
| 6316577 |
Electrophotographic photoconductor and aromatic polycarbonate resin for use therein |
November 13, 2001 |
| An electrophotographic photoconductor includes an electroconductive support, and a photoconductive layer formed thereon containing as an effective component an aromatic polycarbonate resin having a structural unit of formula (I), two structural units of formulae (I) and (II), or a re |
| 6201137 |
Process for purifying tetrahydrofurans used as starting material for polyether polyols |
March 13, 2001 |
| Tetrahydrofurans suitable for use as starting materials in the synthesis of polyether polyols without causing coloration in the product polyether polyols can be obtained by contacting crude tetrahydrofurans with a mineral acid or a strongly acidic cation-exchange resin, followed by i |
| 6153657 |
Process for producing a solvent-less O/W type emulsion |
November 28, 2000 |
| An organic solvent-less O/W type emulsion having an excellent stability for storage and water-dilution is produced by a specific process in which (1) a mixture of (a) water with (b) an oily substance selected from oily effective materials and oily liquid materials, the oily substance and |
| 6120958 |
Electrostatic image developing toner |
September 19, 2000 |
| An electrostatic image developing toner comprising an azo type iron complex having a volume average particle size within a range of from 6 to 15 .mu.m and represented by the formula (A): ##STR1## wherein Ar is an aryl group or a substituted aryl group, each of X1, X2, Y1 and Y2 i |
| 6110634 |
Electrophotographic toner |
August 29, 2000 |
| The present invention relates to an electrophotographic toner containing a binder resin having an acid value in the range of from 0.1 to 50 and a novel compound of zirconium complex or salt useful as a charge control agent for the electrophotographic toner. |
| 6069224 |
Electrophotographic photoconductor and aromatic polycarbonate resin for use therein |
May 30, 2000 |
| An electrophotographic photoconductor includes an electroconductive support, and a photoconductive layer formed thereon containing as an effective component an aromatic polycarbonate resin having a repeat unit of formula (I), or two repeat units of formulae (II) and (III): ##STR1## |
| 6027846 |
Electrophotographic photoconductor and aromatic polycarbonate resin for use therein |
February 22, 2000 |
| An electrophotographic photoconductor includes an electroconductive support, and a photoconductive layer formed thereon containing as an effective component an aromatic polycarbonate resin having a structural unit of formula (I), two structural units of formulae (I) and (II), or a re |
| 6018014 |
Aromatic polycarbonate and electrophotographic photosensitive medium using same |
January 25, 2000 |
| An aromatic polycarbonate containing a structural unit of the formula: ##STR1## wherein R.sup.1 is a hydrogen atom, a substituted or unsubstituted alkyl group or a substituted or unsubstituted aryl group, Ar.sup.1 is a substituted or unsubstituted aryl group and Ar.sup.2 and Ar.sup.3 |
| 5942363 |
Electrophotographic photoconductor and aromatic polycarbonate resin for use therein |
August 24, 1999 |
| An electrophotographic photoconductor includes an electroconductive support, and a photoconductive layer formed thereon containing as an effective component an aromatic polycarbonate resin having a repeat unit of formula (I), or two repeat units of formulae (II) and (III): wherein Ar |
| 5928826 |
Electrostatic image developing toner |
July 27, 1999 |
| An electrostatic image developing toner, characterized by containing at least a resin, a coloring agent and a compound of the formula (1), ##STR1## wherein R.sub.1 and R.sub.2 are respectively independently a C.sub.1 -C.sub.18 alkyl group or an aralkyl group which may have a substitu |
| 5910561 |
Electrophotographic photoconductor and aromatic polycarbonate resin for use therein |
June 8, 1999 |
| An electrophotographic photoconductor includes an electroconductive support, and a photoconductive layer formed thereon containing as an effective component an aromatic polycarbonate resin having a repeat unit of formula (I), or two repeat units of formulae (II) and (III): ##STR1## |
| 5892111 |
Cure-accelerator for epoxy resin |
April 6, 1999 |
| A cure-accelerator for an epoxy resin, which comprises a compound of the formula (I),wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are C.sub.1 -C.sub.3 lower alkyl groups which may be the same or different, and Ar is a substituted tolylene group of the formula (II) ##STR1## (wher |
| 5889088 |
Composite particle aqueous suspension and process for producing same |
March 30, 1999 |
| A stable aqueous suspension of composite particles each including a core formed from a solid or liquid particle and a coating layer formed on the core particle and including at least one high molecular weight surfactant compound having an average molecular weight of 1100 or more and at l |
| 5883232 |
Hydrophobic cationic dyes and thermal transfer ink ribbons using the same |
March 16, 1999 |
| Disclosed are diazahemicyanine hydrophobic cationic dyes represented by the formula (1): ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are lower alkyl groups having not more than 5 carbon atoms, R.sup.5 is a lower alkyl group having not more than 5 carbon atoms or a lowe |
| 5846680 |
Electrophotographic photoconductor and aromatic polycarbonate resin for use therein |
December 8, 1998 |
| An electrophotographic photoconductor includes an electroconductive support, and a photoconductive layer formed thereon containing as an effective component an aromatic polycarbonate resin having a repeat unit of formula (I), or two repeat units of formulae (II) and (III): ##STR1## |
| 5840980 |
Diamine compounds and electrophotographic photoreceptor |
November 24, 1998 |
| A diamine compound of the following formula (1): ##STR1## wherein R.sub.1 is a hydrogen atom, a lower alkyl group or a lower alkoxy group, each of A.sub.1, A.sub.2 and A.sub.3 which are independent of one another, is a substituted or unsubstituted alkyl group, a substituted or un |
| 5840454 |
Aromatic polycarbonate and electrophotographic photosensitive medium using same |
November 24, 1998 |
| An aromatic polycarbonate containing a structural unit of the formula: ##STR1## wherein R.sup.1 is a hydrogen atom, a substituted or unsubstituted alkyl group or a substituted or unsubstituted aryl group, Ar.sup.1 is a substituted or unsubstituted aryl group and Ar.sup.2 and Ar.sup.3 |
| 5834600 |
Hydrophobic cationic dyes and thermal transfer ink ribbons using the same |
November 10, 1998 |
| Disclosed are diazahemicyanine hydrophobic cationic dyes represented by the formula (1): ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are lower alkyl groups having not more than 5 carbon atoms, R.sup.5 is a lower alkyl group having not more than 5 carbon atoms or a lowe |
| 5830980 |
Electrophotographic photoconductor, aromatic polycarbonate resin for use in the same, and method |
November 3, 1998 |
| An electrophotographic photoconductor includes an electroconductive support, and a photoconductive layer formed thereon, containing a novel aromatic polycarbonate resin having a repeat unit of formula (I): ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 each is an alkyl group which may |
| 5824118 |
Dyeing automobile seat covers containing acrylic or cationic-dyeable polyester |
October 20, 1998 |
| A dye which is durable for practical use in the field of coloring automobile seat materials for which a good light-fastness is required and a dyeing method making use of the dye is provided. In the method, a disazo dye is obtained by converting guanazole to a tetrazo compound and couplin |
| 5789128 |
Electrophotographic photoconductor and aromatic polycarbonate resin for use therein |
August 4, 1998 |
| An electrophotographic photoconductor includes an electroconductive support, and a photoconductive layer formed thereon containing as an effective component an aromatic polycarbonate resin having a repeat unit of formula (I), or two repeat units of formulae (II) and (III): ##STR1## |
| 5756604 |
Process for producing polyether, and process for recycling and reusing herteropolyacid |
May 26, 1998 |
| An industrially advantageous process described below has been established wherein tetrahydrofuran and a cyclic ether copolymerizable therewith are copolymerized by the use of a very small amount of a commercially available heteropolyacid as it is untreated, the heteropolyacid of the |
| 5747204 |
Electrophotographic photoconductor and aromatic polycarbonate resin for use in the same |
May 5, 1998 |
| An electrophotographic photoconductor includes an electroconductive support, and a photoconductive layer formed thereon, containing a novel aromatic polycarbonate resin having a repeat unit of formula (I): ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 each is an alkyl group which may |
| 5728500 |
Electrophotographic photoreceptor with acenaphthene compound |
March 17, 1998 |
| An acenaphthene compound of the following formula (1), ##STR1## wherein Ar.sub.1 is an aryl group which may have a substituent; Ar.sub.2 is a phenylene, naphthylene, biphenylene or anthrylene group which may have a substituent; R.sub.1 is a hydrogen atom, a lower alkyl group or a |
| 5723243 |
Electrophotographic photoconductor and aromatic polycarbonate resin for use therein |
March 3, 1998 |
| An electrophotographic photoconductor includes an electroconductive support, and a photoconductive layer formed thereon containing as an effective component an aromatic polycarbonate resin having a repeat unit of formula (I), or two repeat units of formula (II) and formula (III): ##S |
| 5721082 |
Electrophotographic photoreceptor containing amine compound |
February 24, 1998 |
| There are provided an electrophotographic photoreceptor having a photosensitive layer containing at least one amine compound represented by formula (1): ##STR1## wherein Ar.sub.1 represents a substituted or unsubstituted aryl group; Ar.sub.2 represents a substituted or unsubstitu |
| 5719320 |
Cure-accelerator for epoxy resin |
February 17, 1998 |
| A cure-accelerator for an epoxy resin, which comprises a compound of the formula (I),wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are C.sub.1 -C.sub.3 lower alkyl groups which may be the same or different, and Ar is a substituted tolylene group of the formula (II) ##STR1## where |
| 5707768 |
Diamine compounds and electrophotographic photoreceptor |
January 13, 1998 |
| A diamine compound of the following formula (1): ##STR1## wherein R.sub.1 is a hydrogen atom, a lower alkyl group or a lower alkoxy group, each of A.sub.1, A.sub.2 and A.sub.3 which are independent of one another, is a substituted or unsubstituted alkyl group, a substituted or un |
| 5707747 |
Amine compound and electro-luminescence device comprising same |
January 13, 1998 |
| The present invention provides novel amine compounds useful as electron-transporting materials to be incorporated in organic electro-luminescence devices. More particularly, the present invention provides an organic electro-luminescence device (organic EL device) which can find wide |
| 5693445 |
Electrostatic image developing toner |
December 2, 1997 |
| Disclosed herein is an electrostatic image developing toner, which comprises a binder resin, a colorant and a charge control agent, wherein the charge control agent is a hydrophobicity-imparted product of a xanthene-type dye, which is represented by the formula ##STR1## wherein R |
| 5688892 |
Process for producing rapidly curable cold-setting polyurethane coating waterproofer |
November 18, 1997 |
| The present invention provides a process for producing a rapidly curable cold-setting polyurethane coating waterproofer which permits the employment of a highly safe aromatic polyamine crosslinker, which is rapidly cured even in the absence of an organometallic catalyst to thereby gi |
| 5679489 |
Electrostatic image developing toner |
October 21, 1997 |
| The present invention provides an electrophotographic toner free of metal such as chromium. A novel electrostatic image developing toner is provided, comprising as a charge-controlling agent one or more selected from the group consisting of compounds represented by formulae (I) and ( |
| 5672756 |
Triphenylamine compound for use in electrophotographic photoconductors |
September 30, 1997 |
| An electrophotographic photoconductor includes an electroconductive substrate, and a photoconductive layer formed thereon containing at least one tertiary amine compound of formula (I) as an effective component: ##STR1## wherein Ar.sup.1 and Ar.sup.3 each is an aryl group which may h |
| 5665506 |
Toner for the development of electrostatic image and process for the preparation thereof |
September 9, 1997 |
| Disclosed is a process for preparing a particulate toner for developing an electrostatic image, which comprises suspending a polymerizable monomer composition comprising a polymerizable monomer, a resin dissolved therein, and a coloring agent in an aqueous medium not containing a dispers |
