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...that when IBM conducted a market study of Chester Carlson's invention in 1959, the company concluded that it would take only 5000 units of his new product to saturate the market? IBM therefore declined to be part of the new product introduction. Too bad for IBM. Carlson's invention was the xerography process, and his new product was the beginning of the Xerox Corporation. It is estimated that every day, worldwide, 3,000,000,000 copies are made!!

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Class 400/241.1 - Synthetic material


Subclass of Class 400 - Typewriting machines
Definition: Subject matter wherein the substance is a compound formed
No. of patents: 101
Last issue date: 02/27/2007


1      
NumberTitleIssue Date
7182532Thermal printing and cleaning assembly
Disclosed is a thermal printing assembly comprised of a first flexible section and a second flexible section joined to such first flexible section. The first section of such assembly is a thermally sensitive media that contains either a thermal transfer ribbon or a ...
02/27/2007
7156566Thermal printing and cleaning assembly
A thermal printing assembly comprised of a first flexible section and a second flexible section joined to such first flexible section. The first section of such assembly is a thermally sensitive media that contains either a thermal transfer ribbon, a dye sublimation...
01/02/2007
6969578Optical recording material
An optical recording material which when exposed to actinic radiation produces a change in optical properties in the exposed regions, thereby providing a pattern of intelligence for storing and retrieving information, the recording material having: a) a polymer cont...
11/29/2005
6908240Thermal printing and cleaning assembly
A thermal printing assembly comprised of a first flexible section and a second flexible section joined to such first flexible section. The first section of such assembly is a thermally sensitive media that contains either a thermal transfer ribbon or a direct therma...
06/21/2005
6796733Thermal transfer ribbon with frosting ink layer
A thermal transfer ribbon with a flexible substrate and, disposed above the substrate, a frosting ink layer. The frosting ink layer is present at a coating weight of from about 0.25 to about 15 grams per square meter and it contains from about 15 to about 94.5 weigh...
09/28/2004
6688789Fluorescent substance, fluorescent composition, fluorescent mark carrier and optical reader therefor
An inked ribbon containing a tape-like carrier deposited with a fluorescent composition that contains a fluorescent substance containing at least one of Nd and Yb as an optical active element and, other than this optical active element, at least one oxide...
02/10/2004
6629792Thermal transfer ribbon with frosting ink layer
A thermal transfer ribbon with a flexible substrate and, disposed above the substrate, a frosting ink layer. The frosting ink layer is present at a coating weight of from about 2 to about 15 grams per square meter and it contains from about 15 to about 94...
10/07/2003
6015240Transfer type image protecting film and method of producing the same
The present invention proves a transfer type image protecting film having a base film, an ultraviolet absorbing layer formed on a surface of the base film, and a surface adhesive layer formed on the ultraviolet absorbing layer and containing no ultraviole...
01/18/2000
5560722Tape unit having ribbon end tape
An end tape for connecting a thermal recording material such as an ink ribbon or a heat-sensitive paper to a tape spool is formed of a material having a glass transition point (Tg) of 90° C. or higher. Even if the end tape is continuously heated at its s...
10/01/1996
5478160Multi-ply printer ribbon cartridge and method
A point of sale printer ink cartridge includes a mobius loop endless ribbon with at least two ply of woven twisted nylon fabric sealed along lengthwise edges with or without a third ink absorbing layer interposed between the two ply of nylon yielding syne...
12/26/1995
5451984Thermal transfer recording method and thermal transfer recording device by use of said method
A heat transfer recording device which performs recording by heating a heat transfer medium to transfer the ink possessed by the heat transfer medium onto an image-receiving medium, thereby effecting recording on the image-receiving medium. The device hav...
09/19/1995
5342672Holographic thermal transfer ribbon
The invention is a holographic thermal transfer ribbon for enabling the transfer of a hologram using a thermal transfer demand printer. The holographic thermal transfer ribbon comprises a holographic hot-stamp foil. This holographic hot-stamp foil has a f...
08/30/1994
5306097Ink ribbon cassette and recording apparatus using electrode ground
An ink ribbon cassette and a recording apparatus adapted to detachably attach the ink ribbon cassette thereto. An electrode for dissipating electrical charges on the ink ribbon surface is provided either in the ink ribbon cassette or on a carrier of the r...
04/26/1994
5268704Thermal transfer recording method reducing ground staining and improving ink transferability
Thermal transfer recording is improved by a recording method involving providing a thermal transfer material having a support and an ink layer disposed thereon and which in turn includes a binder and a colorant. The binder includes 45-70 wt. % of an ethyl...
12/07/1993
5172131Thermal transfer printing processes with multi-use transfer elements
Disclosed is a process for forming images which comprises (a) incorporating into a thermal transfer printing apparatus a multi-use thermal transfer element comprising a substrate upon which is situated a porous sponge layer filled with ink; (b) applying h...
12/15/1992
5135803Ink ribbon for printer and ink therefor
An ink ribbon for a printer, particularly an impact type printer such as a wire dot printer or daisy wheel printer, as well as a black ink to be used for an ink ribbon for a printer....
08/04/1992
5118211Thermocolor ribbon
The color transfer density of a thermocarbon ribbon can be improved by forming the wax phase of a melt color layer of such a ribbon so that it contains a paraffin with a hardening temperature of about 50 to 110° C. and at least one ethylene-vinylacetate ...
06/02/1992
5104717Ink and multistrike ribbons incorporating the same
A ribbon ink has a viscosity that increases with increasing rate of shear for rates of shear greater then a predetermined value. A printer ribbon for use with an impact printer comprises a substrate containing ink having a viscosity that increases with in...
04/14/1992
5084333Fabric printer ribbon with nigrosine ink
A printer ribbon having nigrosine dye with hydroxide counter ion, preferably at 23% by weight, in an oleic acid vehicle to form an ink saturating a fabric. The ribbon has the long life of a dye-only fabric ribbon and is effective for both correspondence a...
01/28/1992
5061093Non-impact printing apparatus
A transfer medium for use in a printing apparatus wherein a magnetic ink layer containing magnetic particles is heat-melted and transferred to a material to be printed. The magnetic ink layer contains magnetic particles different from each other in size, ...
10/29/1991
5037216System and method for producing data bearing cards
An apparatus and method for printing a graphic design on a hard plastic workpiece such as a credit card blank includes a thermal printing element which is supported by a head assembly that has been designed a single link, to have low mechanical compliance...
08/06/1991
5037220Printing ribbon comprising polycondensates
Films from aromatic polyesters and from aromatic polyestercarbonates are excellently suitable for preparing printing ribbons, in particular for thermal and electrothermal recording processes....
08/06/1991
5013606Film for a resistance layer for an electric-thermal print system
A film for a resistance layer for an electric-thermal print system, which comprises from 50 to 85% by weight of a polycarbonate resin and from 15 to 50% by weight of carbon black, and which further contains from 0.1 to 30 parts by weight, relative to 100 ...
05/07/1991
4995741Thermal print-transfer ribbon
The reflectivity and shininess of print applied in a thermal-printing process using a thermocolor or thermocarbon ribbon can be reduced by providing a nonmeltable intermediate organic layer between the thermocolor transfer layer and the carrier which comp...
02/26/1991
4988667Resistive ribbon with lubricant slipping layer
A resistive ribbon dye-donor element for resistive ribbon dye transfer is made up of a resistive support bearing a liquid lubricant containing slipping layer on one side of the resistive layer, and a conductive layer and a dye-containing layer on the othe...
01/29/1991
4931348Reduced thickness resin substrate in film printing ribbon
A very thin film ribbon with good printing and lift-off correction characteristics is achieved by using a blend of polyethylene and isotactic polypropylene as the substrate material. Thicker ribbons with the substrate yield dense printing and print well o...
06/05/1990
4929501Thermal transfer medium
A thermal transfer medium which has a heat meltable or heatsublimable ink layer on one side of a stretched polyamide film which mainly consists of polytetramethylenediapamide and has a melting point of at least 270° C. The film shows good heat resistance...
05/29/1990
4915519Direct negative from resistive ribbon
An improved apparatus and process are described in which a direct negative is formed using commercially available multi-stylus recording heads. A negative precursor comprised of a transparent support and an opaque thermoplastic ink layer carried thereon, ...
04/10/1990
4897669Thermal transfer recording media
A current-conducting thermosensitive recording media used for non-impact recording which attains better energy efficiency and higher printing speeds through a thermosensitive recording ink medium comprising: a stratified ink support in which electrical co...
01/30/1990
4886386Ink ribbon having elastomeric protective backing
An overlappingly overstrikeable ink ribbon for matrix or needle printing systems is described having a carrier film and an ink-releasing coating, as well as optionally further conventional intermediate coatings. A rubber-elastic layer is formed on the nee...
12/12/1989
4880324Transfer method for heat-sensitive transfer recording
A heat-sensitive transfer medium comprises a support and at least two heat-transferable ink layers including a first and a second ink layer. The first ink layer has relative adhesions with the second ink layer and the support which are reverse at a higher...
11/14/1989
4871620Typewriter ribbon having a thin support and a transferable mass, for typing on varied surfaces
The present invention relates to a typewriter ribbon made up of a flexible thin support and a transferable mass placed on the flexible thin support. The transferable mass comprises a surface-active dispersing agent and a surface-active resin dissolved in ...
10/03/1989
4836105Direct negative and offset master production using thermal liftoff
An improved printing member for use in a system wherein a current source, in combination with a resistive ribbon, produces heating in selected areas of the ribbon for effecting the formation of a printing pattern on the printing member, which member is co...
06/06/1989
4836106Direct offset master by resistive thermal printing
This invention describes a direct master for offset printing. The master comprises a thin metal layer, a thermoplastic layer disposed on the metal layer, and a conductive oxide layer evaporated on the metal layer. When this master is subjected to electric...
06/06/1989
4810119Resistive ribbon for high resolution printing
An improved thermal transfer resistive ribbon usable in high resolution printing comprising a dual resistive layer formed of a first layer of low resistivity and a second layer of high resistivity, method of production thereof, use thereof and apparatus i...
03/07/1989
4790676Printer ribbon and film used for preparation thereof
Disclosed is a film for a printer ribbon, which is made of a resin composition comprising, 55 to 95% by weight of high-density polyethylene and 5 to 45% by weight of low-density polyethylene and having a melt tension of at least 1.4 g and a density of 0.9...
12/13/1988
4773778Fabric printer ribbon comprising a liquid vehicle containing a decolorizable Lewis acid/Lewis base complex
A fabric printer ribbon impregnated with a transfer medium comprised of a vehicle liquid and coloring agent dispersed in the vehicle liquid. The fabric printer ribbon may further contain property-improving additives. As the coloring agent, the ribbon cont...
09/27/1988
4762432Method of thermal printing
Thermal printing is effected by pressing a heat generating element of a thermal head to paper intervening a transferring ribbon with a heat-sensitive ink layer and immediately after printing, the transferring ribbon is bend so as to detach rapidly the rib...
08/09/1988
4756633Inking ribbon including a sublimable release layer for color transfer under the influence of heat
An improved inking ribbon for color transfer under the influence of heat comprises the ribbon having a carrier layer and a colored layer with the heat-soluble release layer interposed therebetween, which release layer is composed of a sublimable material ...
07/12/1988
4743920Thermal transfer recording method and apparatus
Thermal transfer recording is carried out through the steps of: applying a heat or electric energy in a pattern to a peripheral surface of an ink roll having the peripheral surface composed of a heat-transferable ink, thereby to form a melted or softened ...
05/10/1988
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