Patent application number | Description | Published |
20090264661 | METHODS FOR PRODUCING CYCLIC PHENOL SULFIDES - The object of the present invention is, in methods for producing cyclic phenol sulfides, to provide methods for producing a number of more macrocyclic products, which comprise the steps of producing a mixture of cyclic phenol sulfides from an inexpensive raw material in one step without inducing the reduction in yield of a cyclic quatromer; and easily separating and purifying a single component from the mixture of cyclic phenol sulfides. | 10-22-2009 |
20090275783 | METHODS FOR PRODUCING OXIDIZED CYCLIC PHENOL SULFIDES - A method for producing an oxidized cyclic phenol sulfide which comprises the step of oxidizing a cyclic phenol sulfide of the following formula (1) as a raw material: | 11-05-2009 |
20110028737 | METHOD FOR CONTINUOUSLY PRODUCING OXIDIZED CYCLIC PHENOL SULFIDES - The present invention discloses a method for continuously producing an oxidized cyclic phenol sulfide which comprises the continuous steps of reacting a para-alkyl phenol compound as a raw material with 1.7 to 2.5 molar equivalent of sulfur and 0.25 to 0.75 molar equivalent of an alkali metal reagent per 1 mol of the phenol compound (the first step); and oxidizing a cyclic phenol sulfide of the formula (2) produced by the above reaction with an oxidizing agent(s) in the same reactor as that of the first step and without taking the cyclic phenol sulfide out of the reactor; | 02-03-2011 |
20110045396 | Charge Controlling Agent and Toner Using Metal Compound of Cyclic Phenol Sulfide - The present invention discloses a charge control agent which comprises a metal compound of a cyclic phenol sulfide of the following formula ( | 02-24-2011 |
20120253054 | METHODS FOR PRODUCING OXIDIZED CYCLIC PHENOL SULFIDES - A method for producing an oxidized cyclic phenol sulfide which comprises the step of oxidizing a cyclic phenol sulfide of the following formula (1) as a raw material: | 10-04-2012 |
20130149641 | CHARGE CONTROLLING AGENT AND TONER USING SAME - To provide a charge controlling agent for electrophotography, which presents sufficient triboelectric chargeability to a toner, is useful particularly for a color toner and further for a polymerized toner, increases a charge rising rate, has a high electric charge amount, is excellent in charging characteristics, stability over time and environmental stability and yet is safe without posing any problem regarding waste regulations, and a negatively chargeable toner for developing an electrostatic image, which uses such a charge controlling agent and which has a high charging performance. A charge controlling agent comprising, as an effective component, at least one type of cyclic phenol sulfide represented by the following formula (1), and a toner comprising such a charge controlling agent: | 06-13-2013 |
20130157190 | CHARGE CONTROL AGENT AND TONER USING THE SAME | 06-20-2013 |
20140205945 | CHARGE CONTROLLING AGENT AND TONER USING SAME - To provide a charge controlling agent for electrophotography, which presents sufficient triboelectric chargeability to a toner, is useful particularly for a color toner and further for a polymerized toner, increases a charge rising rate, has a high electric charge amount, is excellent in charging characteristics, stability over time and environmental stability and yet is safe without posing any problem regarding waste regulations, and a negatively chargeable toner for developing an electrostatic image, which uses such a charge controlling agent and which has a high charging performance. A charge controlling agent comprising, as an effective component, at least one type of cyclic phenol sulfide represented by the following formula (1), and a toner comprising such a charge controlling agent: | 07-24-2014 |
Patent application number | Description | Published |
20110259074 | FORGING DIE HOLDER - There is provided a forging die holder including a resistance heater capable of efficiently heating a die via the die holder when warm forging or hot forging is performed. A die holder is for holding a die used in a forging press for performing warm forging or hot forging. The die holder has heater mounting holes into which resistance heaters are inserted, sensor mounting holes into which temperature sensors are inserted, and guide portions disposed on both end portions of holder surfaces of holders for supporting back surfaces of the foregoing die to support side surfaces of the foregoing die located therebetween on both sides thereof. The heater mounting holes are formed at positions opposing the holder surfaces in aligned relation with the side surfaces of the foregoing die. | 10-27-2011 |
20110301875 | BUSHING PRESS-FITTING INSPECTION DEVICE, METHOD, AND PROGRAM, AND BUSHING PRESS-FITTING APPARATUS - A bushing press-fitting inspection device that can perform an inspection in any state between the beginning of press-fitting and the end of press-fitting as to whether or not the press-fitting has been satisfactorily performed is provided. The bushing press-fitting inspection device is used in a bushing press-fitting apparatus that, using a press-fitting mechanism, supports a bushing at an end of the bushing press-fitting apparatus and that press-fits, over a certain stroke at a certain load, the bushing into a bushing press-fitting portion formed in part of a structure in a cylindrical shape that is included in a workpiece. The bushing press-fitting inspection device includes setting means, storage means, input means, judgment means, and output means. | 12-08-2011 |
Patent application number | Description | Published |
20120141931 | Polymerized Toner Comprising Cyclic Phenol Sulfide - A negatively charged polymerized toner having high charging performance, which comprises a charge control agent particularly useful for color toners and polymerized toners, the charge control agent comprising a cyclic phenol sulfide as an active ingredient, which speeds up charging risetime, has a high charge amount and charging characteristics particularly excellent in environmental stability, and is safe since it does not have any problem with the waste regulations. | 06-07-2012 |
20120315576 | CHARGE CONTROLLING AGENT AND TONER USING SAME - The present invention provides a charge control agent containing, as an active substance(s), one or two or more rhodanine compounds represented by the following formula (1). | 12-13-2012 |
20130177843 | CHARGE CONTROL AGENT AND TONER USING SAME - The present invention provides a charge control agent containing, as an active substance(s), one or two or more thiazolidinedione derivatives represented by the following formula (1), | 07-11-2013 |
20130177844 | CHARGE CONTROL AGENT AND TONER USING SAME - The present invention provides a positive-charge control agent containing, as an active substance(s), one or two or more rhodanine compounds represented by the following formula (1). | 07-11-2013 |
Patent application number | Description | Published |
20130051075 | LIGHT GUIDE PLATE, DIE, AND DIE PROCESSING METHOD - A light guide plate having a first surface and a second surface opposite the first surface receives the light in a first direction parallel with the second surface and emits the light towards the first surface in a third direction perpendicular to the first surface, the light guide plate including: a light receiving portion which receives the light; a light guiding path which guides the light in the first direction; and an emitting portion which emits the light by reflecting the guided light towards the first surface in the third direction. The emitting portion is a first V-shaped groove having a V-shaped cross-section extending on the second surface in a second direction crossing the first direction. The first V-shaped groove is provided in plurality in the first direction and formed to be deepest in the center in the second direction and become shallower as distance increases from the center. | 02-28-2013 |
20130170250 | LIGHT GUIDE PLATE AND SURFACE LIGHT SOURCE DEVICE - A light guide plate includes an incident surface on which light outputted from point light sources is incident and an outgoing surface for outputting light incident from the incident surface. A reflection-and-propagation surface for reflecting light toward the outgoing surface is formed in a back surface opposite to the outgoing surface. The outgoing surface is made up of a propagation region adjacent to the incident surface, a propagation auxiliary region adjacent to the propagation region, a first diffusion-and-propagation region adjacent to the propagation auxiliary region, and a second diffusion-and-propagation region adjacent to the first diffusion-and-propagation region. The propagation region, the propagation auxiliary region, and the first diffusion-and-propagation region control hot spots and bright/dark lines in vicinities of the incident surface, while the second diffusion-and-propagation region controls viewing-angle characteristics of the light guide plate. | 07-04-2013 |
20130343082 | LIGHT GUIDE PLATE AND SURFACE LIGHT SOURCE DEVICE - A light guide plate includes an incident surface on which light outputted from point light sources is incident and an outgoing surface for outputting light incident from the incident surface, wherein a reflection-and-propagation surface for reflecting light toward the outgoing surface is formed in a back surface opposite to the outgoing surface. The outgoing surface is made up of a propagation region adjacent to the incident surface, a diffusion-and-propagation auxiliary region adjacent to the propagation region, and a diffusion-and-propagation region adjacent to the diffusion-and-propagation auxiliary region. Hot spots and bright/dark lines in vicinities of the incident surface are controlled primarily by curved portions of prism upper ends formed in the diffusion-and-propagation region, and viewing-angle characteristics of the light guide plate are controlled primarily by linear portions of the prisms. | 12-26-2013 |
20150085530 | LIGHT GUIDE - Provided a light guide ( | 03-26-2015 |