Dry release transfers
Patent 4286008 Issued on August 25, 1981. Estimated Expiration Date: 
August 25, 1998. 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.
August 25, 1998. 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 3639123 3759809 3888672 Label assemblies without die-cutting Method of producing positive polymer images Dry transfer sheets Patent #: 4041204 InventorsAssigneeApplicationNo. 05/926077 filed on 07/19/1978US Classes:428/195.1, Discontinuous or differential coating, impregnation or bond (e.g., artwork, printing, retouched photograph, etc.)427/146, TRANSFER OR COPY SHEET MAKING427/147, Decal or embossing foil type (i.e., continuous film transfers)428/207, Including coloring matter428/335, Up to 3 mils428/336, 1 mil or less428/913, MATERIAL DESIGNED TO BE RESPONSIVE TO TEMPERATURE, LIGHT, MOISTURE, ETC.428/914, TRANSFER OR DECALCOMANIA430/253, Separating exposed areas from unexposed or underexposed areas of image layer by transfer, element or image receiving layer therefor430/256, STRIPPING PROCESS OR ELEMENT430/281.1, Radiation sensitive composition comprising ethylenically unsaturated compound430/326, Pattern elevated in radiation unexposed areas522/10, With a tertiary amine specified rate-affecting material522/103, With ethylenic reactant522/8, At least two specified rate-affecting materials containing keto group not part of a ring; or contains a nonspecified photoinitiator or photosensitizer and specified ketone containing material wherein the keto group is not part of a ring522/81, Heavy metal containing DNRM522/9, With a heterocyclic specified rate-affecting material522/93, With polycarboxylic acid or derivative and a polyol, a condensate or solid polymer thereof reactant522/96With ethylenic reactantExaminersPrimary: Herbert, Thomas J. Jr.Attorney, Agent or FirmInternational ClassB41M 3/12 (20060101)Foreign Application Priority Data1977-07-20 GBAbstractA dry release transfer is disclosed in which the design layer is formed by printing one or more inks onto a carrier sheet, at least one of the inks being a photopolymerizable composition, and subjecting the design layer to ultra-violet radiation or an electron beam discharge in order to polymerize the photopolymerizable ink. By suitable selection of polymerizable components of the ink so that the photopolymerized ink has a high Young's modulus, a stress-resisting design layer is produced which will release readily from the carrier on mechanically stressing the carrier, e.g. by rubbing lightly with a ball-point pen. |
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