| Patent Number |
Title Of Patent |
Date Issued |
| 7300613 |
Process for producing three-dimensional model, and three-dimensional model |
November 27, 2007 |
| A process for producing a three-dimensional model is provided. The process includes a step (layer formation step) of forming a layer of a powder material, the layer having a predetermined thickness, a step (cross-sectional shape formation step) of imagewise bonding the powder materia |
| 5866293 |
Heat-sensitive recording material |
February 2, 1999 |
| A heat-sensitive recording material having excellent light-fastness and raw stock storability is disclosed. The material includes a support and a heat-sensitive recording layer provided on the support, and the heat-sensitive recording layer contains a diazo compound and a coupler. Th |
| 5340606 |
Optical reading method |
August 23, 1994 |
| A method of optically reading colored record images formed by the reaction of a substantially colorless electron donating dye and an electron accepting developer in a pressure-sensitive recording sheet with a red light having a wavelength of from 620 nm to 700 nm, wherein the pressur |
| 5242886 |
Pressure-sensitive recording sheet |
September 7, 1993 |
| A pressure-sensitive recording sheet comprises a microencapsulated divinylphthalide compound represented by the following formula (I): ##STR1## wherein the microcapsules have the following particle size distribution: |
| 5128309 |
Recording material |
July 7, 1992 |
| A recording material containing an electron donating colorless dye capable of undergoing a coloration reaction, wherein a metal salt of a salicylic acid derivative represented by the following formula (I) and a fatty acid derivative having a benzotriazole group as a substituent group or |
| 5075279 |
Method for the manufacture of microcapsules for pressure-sensitive recording sheets |
December 24, 1991 |
| A method for the manufacture of microcapsules for use in pressure-sensitive recording sheets is disclosed, which comprises after dispersing and emulsifying in a hydrophilic liquid a solution obtained by dissolving (a) a polyisocyanate, (b) an alkyleneoxide adduct of an amine and (c) an |
| 4920091 |
Recording material |
April 24, 1990 |
| A recording medium comprising at least one electron donating colorless dye and at least one electron accepting compound, wherein the electron accepting compound is a salicylic acid compound represented by formula (I): ##STR1## wherein R represents a divalent group; X and Y, which |
| 4876233 |
Recording material |
October 24, 1989 |
| A recording material comprising a support provided thereon a color developer and microcapsules containing a substantially colorless color former is disclosed, wherein the microcapsules further contains at least one of nickel compounds represented by formulae (I) and (II) shown in the |
| 4870048 |
Color developer sheet |
September 26, 1989 |
| A color developer sheet which brings about color development by contact with a substantially colorless electron-donating color former, where said sheet contains an organometallic compound represented by the following general formula (I), (II) or (III) to enhance light resistance and |
| 4849397 |
Pressure-sensitive recording medium |
July 18, 1989 |
| A pressure-sensitive recording medium producing a colored image utilizing the reaction between a substantially colorless electron donating dye precursor and an electron accepting developer is disclosed. This recording sheet is characterized in that the electron accepting developer layer |
| 4840927 |
Desensitizer composition |
June 20, 1989 |
| A desensitizer composition consisting essentially of a 2,2,6,6-tetramethylpyperidine compound as a desensitizer and additives comprising a natural or synthetic high-molecular weight compound and a pigment, a color developer sheet containing the desensitizer composition and a process |
| 4820684 |
Pressure-sensitive recording sheet |
April 11, 1989 |
| A pressure-sensitive recording sheet is disclosed. The sheet produces a color image by reaction between a substantially colorless electron donating dye precursor and an electron accepting color developer, wherein a layer containing said electron accepting color developer contains (a) a |
| 4792543 |
Pressure-sensitive recording sheet |
December 20, 1988 |
| A pressure-sensitive recording sheet is disclosed. The sheet comprises a support having provided thereon a color-forming layer containing microcapsules prepared by encapsulating oil droplets having dissolved therein one or more substantially colorless color formers, wherein said micr |
| 4791094 |
Recording sheet |
December 13, 1988 |
| A recording sheet comprising microcapsules containing a substantially colorless electron donating dye, a diarylaminofluoran derivative, and a quinoline derivative represented by formula (I) ##STR1## wherein R.sub.1 represents a hydrogen atom, an alkoxy group having from 1 to 8 ca |
| 4769305 |
Pressure-sensitive recording material |
September 6, 1988 |
| A pressure-sensitive recording material is described, comprising an electron-donating color former and an electron-accepting color developer wherein said color developer comprises a mixture of (a) an aromatic carboxylic acid metal salt and (b) a hindered phenol as a combined electron |
| 4761397 |
Microcapsule sheet for pressure-sensitive copying |
August 2, 1988 |
| A microcapsule-coated sheet for pressure-sensitive copying is disclosed. The microcapsule sheet comprises a base paper having thereon a layer comprising microcapsules and synthetic polymer latex having an oil swelling degree of at least 50% as a binder, and is capable of preventing t |
| 4727056 |
Recording material |
February 23, 1988 |
| A recording material comprising at least one electron-donating colorless dye having, in a 95% acetic acid solution, a maximum absorption at a wavelength of from 400 to 550 nm in the spectral absorption range of from 400 to 700 nm, and at least one fluoran derivative represented by formul |
| 4725315 |
Desensitizer composition for color developer sheet in pressure sensitive recording system contai |
February 16, 1988 |
| A desensitizer composition is described, comprising a desensitizer, a 2,2,6,6-tetramethylpiperidine derivative, and additives. |
| 4721702 |
Pressure-sensitive recording material |
January 26, 1988 |
| A pressure-sensitive recording material is described, comprising an electron-accepting compound, and at least one of electron-donating colorless dyes represented by formula (I) or formula (II) ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7, and R.s |
| 4689644 |
Pressure-sensitive recording sheets |
August 25, 1987 |
| A pressure-sensitive recording sheet capable of providing colored images by a reaction of a substantially colorless electron donating dye precursor and an electron accepting developer is described, wherein a layer comprising the electron accepting developer of the pressure-sensitive |
