Pre-press proofing method
Patent 5240810 Issued on August 31, 1993. Estimated Expiration Date: 
July 8, 2011. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
July 8, 2011. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3647433 Surlay proofing method Color-proofing method Process for preparing a color proofing sheet Electrophotographic color imaging method Method for forming an image Transferrable, thermoplastic, antiblocking/adhesive protecting layer for images Patent #: 4902594 InventorApplicationNo. 728311 filed on 07/08/1991US Classes:430/257, Forming composite image, e.g., multiple stripped image layers, etc.430/143, Color proofing, colloid transfer, or pigment development430/253, Separating exposed areas from unexposed or underexposed areas of image layer by transfer, element or image receiving layer therefor430/262, Stripping layer containing specified synthetic nonradiation sensitive polymer430/293Color proofing or multicolor image formationExaminersPrimary: Hamilton, CynthiaAttorney, Agent or FirmForeign Patent References
International ClassesG03C 011/12G03C 001/805 AbstractMost prepress color proofing systems require the use of special receptor sheets. The differences between the special sheets and the final print sheet can affect the desired color balance. The use of a proof image on a temporary transfer sheet, with an adhesive layer between the image and a final receptor layer, enables the use of essentially any printing stock or printing surface as the final proofing image substrate.Field of SearchForming composite image, e.g., multiple stripped image layers, etc.Separating exposed areas from unexposed or underexposed areas of image layer by transfer, element or image receiving layer therefor Color proofing or multicolor image formation Color proofing, colloid transfer, or pigment development Stripping layer containing specified synthetic nonradiation sensitive polymer |
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