| Patent Number |
Title Of Patent |
Date Issued |
| 7144613 |
Recording medium, process for production thereof, and ink-jet recording method employing the med |
December 5, 2006 |
| In a recording medium having a porous ink-receiving layer containing alumina hydrate of boehmite structure formed on a base material, the alumina hydrate has crystallinity ranging from 15 to 80 and microcrystals of the alumina hydrate are directed to be parallel to a plane direction |
| 6720041 |
Recording medium, and method for producing image using the same |
April 13, 2004 |
| Provided is a recording medium of a multi-layered structure comprising a base layer and a surface layer provided on at least one side of the base layer, wherein the base layer is mainly composed of fibrous material and the surface layer comprises an alumina hydrate of a boehmite structur |
| 6649661 |
Dispersions of alumina hydrate |
November 18, 2003 |
| A dispersion of alumina hydrate comprises an alumina hydrate containing 0.1 to 1.0% by weight of a nitrate anion and having an average pore radius of 20 to 200 .ANG. and a half breadth of pore radius distribution of 20 to 150 .ANG. and deionized water. Another dispersion of alumina hydra |
| 6342289 |
Recording medium, process for production thereof, and ink-jet recording method employing the med |
January 29, 2002 |
| In a recording medium having a porous ink-receiving layer containing alumina hydrate of boehmite structure formed on a base material, the alumina hydrate has crystallinity ranging from 15 to 80 and microcrystals of the alumina hydrate are directed to be parallel to a plane direction of |
| 5962124 |
Recording medium and dispersion of alumina hydrate |
October 5, 1999 |
| Disclosed herein is a recording medium comprising an alumina hydrate having an average pore radius of 20 to 200 .ANG. and a half breadth of pore radius distribution of 20 to 150 .ANG.. |
| 5955142 |
Process for production of recording medium containing alumina hydrate of a boehmite structure an |
September 21, 1999 |
| A recording medium is provided which is constituted of a base material and an ink-receiving layer formed on the base material and containing alumina hydrate of a boehmite structure, or is constituted of a fibrous material and alumina hydrate of a boehmite structure incorporated therein. |
| 5869177 |
Recording medium, ink-jet recording method using the same, and dispersion of alumina hydrate |
February 9, 1999 |
| Disclosed herein is a recording medium comprising an alumina hydrate having an average pore radius of 20 to 200 .ANG. and a half breadth of pore radius distribution of 20 to 150 .ANG.. |
| 5851654 |
Recording medium and ink-jet recording method using the same |
December 22, 1998 |
| Disclosed herein is a recording medium comprising an alumina hydrate having an average pore radius of 20 to 200 .ANG. and a half breadth of pore radius distribution of 20 to 150 .ANG.. |
| 5846647 |
Recording medium, ink-jet recording method using the same, and dispersion of alumina hydrate |
December 8, 1998 |
| Disclosed herein is a recording medium comprising an alumina hydrate having an average pore radius of 20 to 200 .ANG. and a half breadth of pore radius distribution of 20 to 150 .ANG.. |
| 5804320 |
Recording medium |
September 8, 1998 |
| A recording medium comprises an ink-receiving layer comprising a pigment and an alkali-process gelatin, wherein the alkali-process gelatin has no sol-gel reversibility in an environment of room temperature and has a weight average molecular weight within the range of from 50,000 to 1 |
| 5800916 |
Recording medium, ink-jet recording method using the same |
September 1, 1998 |
| Disclosed herein is a recording medium comprising an alumina hydrate having an average pore radius of 20 to 200 .ANG. and a half breadth of pore radius distribution of 20 to 150 .ANG.. |
| 5738932 |
Recording medium, ink-jet recording method using the same and print obtained thereby, and disper |
April 14, 1998 |
| Disclosed herein is a recording medium having an ink-receiving layer which comprises an alumina hydrate and acid-processed or alkali-processed gelatin. |
| 5707716 |
Recording medium |
January 13, 1998 |
| A recording medium is provided which is constituted of a base material and an ink-receiving layer formed on the base material and containing alumina hydrate of a boehmite structure, or is constituted of a fibrous material and alumina hydrate of a boehmite structure incorporated therein. |
| 5663032 |
Photosensitive composition containing photosensitive and heat developable element and polymer el |
September 2, 1997 |
| A photosensitive material comprises a photosensitive composition comprising a photosensitive and heat-developable element and a photopolymerizable element. An imagewise unexposed area on the material is polymerized by imagewise exposure, heating and whole areal exposure. The photosensiti |
| 5635291 |
Ink-jet recording medium |
June 3, 1997 |
| Disclosed herein is a recording medium comprising an alumina hydrate having an average pore radius of 20 to 200 .ANG. and a half breadth of pore radius distribution of 20 to 150 .ANG.. |
| 5415974 |
Photosensitive material and image forming method using same |
May 16, 1995 |
| A photosensitive material comprises a photosensitive silver halide, an organic silver salt, a reducing agent, a polymerizable polymer precursor, a photopolymerization initiator and a heat-diffusible coloring matter. As a preferred embodiment, the photosensitive material comprises a p |
| 5248584 |
Optical card and method for reading information recorded in it |
September 28, 1993 |
| An optical card comprises a transparent substrate having a track groove on its surface, an optical recording layer provided on said track groove, and an opaque card substrate provided in such a manner that it may be contiguous to said optical recording layer, wherein an unrecordable part |
| 5245030 |
IR-ray absorptive amino compound and optical recording medium by use thereof |
September 14, 1993 |
| An IR-ray absorptive compound represented by the formula (1) or (2): ##STR1## and an optical recording medium having a substrate and an organic dye thin film, comprising the formulae (1) and/or (2). |
| 5124235 |
Photopolymerization initiator and photosensitive composition employing the same |
June 23, 1992 |
| A photopolymerization initiator comprises a borate salt represented by the general formula (I):wherein R.sup.1, R.sup.2, R.sup.3, and R.sup.4 are respectively any one of halogen atoms, alkyl radicals, alkenyl radicals, alkynyl radicals, alicyclic radicals, aryl radicals, aryloxyl radical |
| 5108873 |
IR-ray absorptive compound and optical recording medium by use thereof |
April 28, 1992 |
| An IR-ray absorptive compound represented by the formula (1) or (2): ##STR1## and an optical recording medium having a substrate and an organic dye thin film, comprising the formulae (1) and/or (2). |
| 5041843 |
Method and apparatus for transferring an adhesive viscous substance corresponding to the ratio o |
August 20, 1991 |
| A method for supplying a viscous substance includes the step of providing a viscous substance having an adhesive characteristic which changes in correspondence to a polarity of a voltage applied thereto. The viscous substance has an adhesive characteristic when no voltage is applied |
| 4871601 |
Optical information recording carrier |
October 3, 1989 |
| An optical information recording carrier comprises an optical recording layer provided on a transparent substrate, a film coating layer laminated with out adhesion on said optical recording layer, and further a fixing layer laminated thereon to fix said film coating layer. |
