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| Number | Title | Issue Date |
| 4066810 | Heat printing sheet and heat printing method A heat printing sheet having a pattern of a hot melt ink composition on a base, the improvement comprising using a hot melt ink composition which comprises 5-60 wt. parts of a base polymer of ethylene-vinyl acetate copolymer having 5-50 wt. % of the vinyl... | 01/03/1978 |
| 4061085 | Fluid injector A fluid injector unit, functioning as a pump-type injector unit through cooperation between an upper and lower press platen, being easily disassembled into a minimum number of parts for cleaning. Disengagement of a unitary assembly comprising a piston col... | 12/06/1977 |
| 4036130 | Intaglio printing plate manufacture An intaglio printing plate is prepared by coating a copperplate-engraved plate having a superficial chromium layer with an ink-accepting material such as a hardenable epoxy or acrylic resin, an enamel varnish, or a chemically or electrolytically deposited... | 07/19/1977 |
| 4033059 | Documents of value including intaglio printed transitory images An imprint of inked intaglio pattern elements such as lines on a document of value or the like, including background portions and readily recognizable image portions each formed by pattern elements of the imprint. The pattern elements forming the image po... | 07/05/1977 |
| 4023971 | Film and method for forming intaglio printing plates A method of making a printing plate for intaglio printing having text characters and/or other indicia recessed therein for receiving printing ink which has a plurality of relatively thin barriers separating the text characters into a plurality of ink well... | 05/17/1977 |
| 4019437 | Planographic printing master A novel printing master and method for producing the same as disclosed, which comprises coating a suitable substrate with an uncured silicone gum, followed by the adherence thereto of a particulate image pattern. Resultant curing of the gum converts the g... | 04/26/1977 |
| 4016814 | Planographic printing master A novel printing master and method for producing the same is disclosed which comprises the coating of a suitable substrate with an uncured silicone gum composition containing an activating proportion of a "blowing" or "foaming" agent. A particulate image ... | 04/12/1977 |
| 3990897 | Laminates for the manufacture of relief printing plates The invention relates to relief plates for flexographic printing comprising a relatively soft elastomeric base (U) having a modulus of elasticity of from 10 to 200 kg/cm2 and a thickness of from 0.5 to 6 mm and, firmly bonded thereto, a thin, r... | 11/09/1976 |
| 3985953 | Gravure printing methods and apparatus with rotary shutter In a method of preparing a gravure printing member by excavating materials from the surface by a scanning laser beam or other energy beam, the path of the beam to the surface is periodically intercepted during the scanning by a rotary shutter, the positio... | 10/12/1976 |
| 3960078 | Printing processes Intaglio Printing with a viscous fluid on to non-porous substrates using intaglio plates in which the image cavity is vented to the outside through non-return valve means, thus permitting the escape of air trapped between the non-porous substrate and the ... | 06/01/1976 |
| 3951060 | Process for preparing waterless lithographic masters A process for preparing a waterless lithographic printing master is provided. A suitable substrate which is preferably ink accepting is coated with a silicone which is curable at low or ambient temperature and which contains in addition to its own catalys... | 04/20/1976 |
| 3951063 | Process for preparing reversible cure waterless lithographic masters A process is provided for forming waterless lithography printing masters comprising depositing a particulate image pattern on a non-tacky rubbery uncured silicone polymer, converting the non-tacky polymer into a softened gummy state and curing said soften... | 04/20/1976 |
| 3944701 | Photographic film unit having gravure coated, tapered thickness layer Method for making sheet materials are disclosed having a layer or layers of a non-uniform thickness, in particular a method of making sheet materials tapered from a maximum thickness near one and to a minimum thickness near the opposite end; and sheet mat... | 03/16/1976 |
