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Class Information
Number: 427/144
Name: Coating processes > Hectrographic or copying surface making
Description: Processes which are directed to the production of a base having a coating thereon for receiving the negative design in copy printing, usually by imbibition from an inked positive, and from which negative, positive copies may be made.

Patents under this class:

Patent Number Title Of Patent Date Issued
8588669 Flow-coatable PFA fuser topcoats Nov. 19, 2013
8447214 Charging member and process for its production May. 21, 2013
8304016 Method of making fuser member Nov. 6, 2012
7247344 Method and apparatus for applying surface treatments to photosensitive printing elements during thermal development Jul. 24, 2007
7132125 Processes for coating photoconductors Nov. 7, 2006
6706337 Ultrasonic method for applying a coating material onto a substrate and for cleaning the coating material from the substrate Mar. 16, 2004
6613398 Method for improving solubility of protein Sep. 2, 2003
6132815 Fluororesin-coating process Oct. 17, 2000
6048575 Coated paper stocks for use in electrostatic imaging applications Apr. 11, 2000
5883232 Hydrophobic cationic dyes and thermal transfer ink ribbons using the same Mar. 16, 1999
5567470 Heat-sensitive transfer sheet containing blue dyestuff Oct. 22, 1996
5324548 Method for making optical recording mediums Jun. 28, 1994
5196227 Method for making optical recording mediums Mar. 23, 1993
5017707 Tetraindolylheptamethine dyestuffs May. 21, 1991
4753830 Film forming method, recording medium formed thereby and recording method therewith Jun. 28, 1988
4478885 Surface treating agent Oct. 23, 1984
4409893 Process for printing porous image Oct. 18, 1983
4409272 Process for the manufacture of color developing material and product Oct. 11, 1983
4407862 Method of making letterpress printing plates Oct. 4, 1983
4325995 Method and an apparatus for thin film formation Apr. 20, 1982
4308318 Rub resistant ribbon for non-impact printing Dec. 29, 1981
4283458 Heat-sensitive recording paper containing a novel electron accepting compound Aug. 11, 1981
4259425 Electrographic recording material Mar. 31, 1981
4257329 Fluidless masters Mar. 24, 1981
4255491 Heat-sensitive recording paper Mar. 10, 1981
4253999 Agent for protecting the surface of lithographic printing plate comprising a plasticizer containing oil phase and a surfactant and a hydrophilic high molecular weight compound containing aqueo Mar. 3, 1981
4206937 Spirit duplicating master and method of making the same Jun. 10, 1980
4200570 5-Halo-2-trifluoromethylphenylazo-pyrazolones Apr. 29, 1980
4189171 Marking systems containing 3-aryl-3-heterylphthalides and 3,3-bis(heteryl)phthalides Feb. 19, 1980
4184003 Stable hectograph compositions, transfer elements and processes Jan. 15, 1980
RE29893 Lithographic printing plate and method of making the same Jan. 30, 1979
4103057 Duplicate thermoplastic plates, matrices useful therefor and methods of manufacturing the same Jul. 25, 1978
4087584 Lithographic printing plate May. 2, 1978
4053660 Low cost transfer ink coating Oct. 11, 1977
4049843 Image transfer layers for infrared transfer processes Sep. 20, 1977
4028281 Metal plate treating solution Jun. 7, 1977
4005237 Non-bleed pre-printed spirit duplicating masters Jan. 25, 1977
4003312 Preparing waterless lithographic printing masters by ink jet printing Jan. 18, 1977
3989569 Continuous copying method Nov. 2, 1976
3979550 Pre-printed latent image spirit duplicating masters Sep. 7, 1976
3962526 Tissueless pre-printed spirit duplicating masters Jun. 8, 1976
3946017 Lactones of the benzaxanthere series and dye-forming components for use in duplication processes Mar. 23, 1976
3934069 Non-smudging pressure-sensitive copying material Jan. 20, 1976
3931443 Duplicating systems Jan. 6, 1976

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