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Class Information
Number: 400/241.1
Name: Typewriting machines > Including interposed inking device (e.g., ribbon) for record-medium > Ribbon, per se > Particular ribbon material > Synthetic material
Description: Subject matter wherein the substance is a compound formed from chemical reaction involving elements, radical, or simpler compounds.










Sub-classes under this class:

Class Number Class Name Patents
400/241.2 Wherein ink is entrapped in ribbon material (e.g., microcapsules, micropores, etc.) 34


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
7829162 Thermal transfer ribbon Nov. 9, 2010
7182532 Thermal printing and cleaning assembly Feb. 27, 2007
7156566 Thermal printing and cleaning assembly Jan. 2, 2007
6908240 Thermal printing and cleaning assembly Jun. 21, 2005
6796733 Thermal transfer ribbon with frosting ink layer Sep. 28, 2004
6688789 Fluorescent substance, fluorescent composition, fluorescent mark carrier and optical reader therefor Feb. 10, 2004
6629792 Thermal transfer ribbon with frosting ink layer Oct. 7, 2003
6015240 Transfer type image protecting film and method of producing the same Jan. 18, 2000
5560722 Tape unit having ribbon end tape Oct. 1, 1996
5478160 Multi-ply printer ribbon cartridge and method Dec. 26, 1995
5451984 Thermal transfer recording method and thermal transfer recording device by use of said method Sep. 19, 1995
5342672 Holographic thermal transfer ribbon Aug. 30, 1994
5306097 Ink ribbon cassette and recording apparatus using electrode ground Apr. 26, 1994
5268704 Thermal transfer recording method reducing ground staining and improving ink transferability Dec. 7, 1993
5172131 Thermal transfer printing processes with multi-use transfer elements Dec. 15, 1992
5135803 Ink ribbon for printer and ink therefor Aug. 4, 1992
5118211 Thermocolor ribbon Jun. 2, 1992
5104717 Ink and multistrike ribbons incorporating the same Apr. 14, 1992
5084333 Fabric printer ribbon with nigrosine ink Jan. 28, 1992
5061093 Non-impact printing apparatus Oct. 29, 1991
5037220 Printing ribbon comprising polycondensates Aug. 6, 1991
5037216 System and method for producing data bearing cards Aug. 6, 1991
5013606 Film for a resistance layer for an electric-thermal print system May. 7, 1991
4995741 Thermal print-transfer ribbon Feb. 26, 1991
4988667 Resistive ribbon with lubricant slipping layer Jan. 29, 1991
4931348 Reduced thickness resin substrate in film printing ribbon Jun. 5, 1990
4929501 Thermal transfer medium May. 29, 1990
4915519 Direct negative from resistive ribbon Apr. 10, 1990
4897669 Thermal transfer recording media Jan. 30, 1990
4886386 Ink ribbon having elastomeric protective backing Dec. 12, 1989
4880324 Transfer method for heat-sensitive transfer recording Nov. 14, 1989
4871620 Typewriter ribbon having a thin support and a transferable mass, for typing on varied surfaces Oct. 3, 1989
4836105 Direct negative and offset master production using thermal liftoff Jun. 6, 1989
4836106 Direct offset master by resistive thermal printing Jun. 6, 1989
4810119 Resistive ribbon for high resolution printing Mar. 7, 1989
4790676 Printer ribbon and film used for preparation thereof Dec. 13, 1988
4773778 Fabric printer ribbon comprising a liquid vehicle containing a decolorizable Lewis acid/Lewis base complex Sep. 27, 1988
4762432 Method of thermal printing Aug. 9, 1988
4756633 Inking ribbon including a sublimable release layer for color transfer under the influence of heat Jul. 12, 1988
4743920 Thermal transfer recording method and apparatus May. 10, 1988
4739338 Heat-sensitive transfer recording method Apr. 19, 1988
4710782 Current-applying thermal transfer film Dec. 1, 1987
4707707 Thermal-transfer ink ribbon Nov. 17, 1987
4701367 Coatings for typewriter transparencies Oct. 20, 1987
4699533 Surface layer to reduce contact resistance in resistive printing ribbon Oct. 13, 1987
4692044 Interface resistance and knee voltage enhancement in resistive ribbon printing Sep. 8, 1987
4687360 Thermal imaging ribbon including a partially crystalline polymer Aug. 18, 1987
4687701 Heat sensitive inked element for high speed thermal printers Aug. 18, 1987
4684271 Thermal transfer ribbon including an amorphous polymer Aug. 4, 1987
4678701 Resistive printing ribbon having improved properties Jul. 7, 1987

1 2 3










 
 
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