Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 3959547 | Process for the formation of real images and products produced thereby Non-conductive real images are formed on substrates by depositing reducible metal salt compositions thereon and exposing the coated substrates to radiant energy or a chemical reducing agent to reduce the metal salt to metallic nuclei and to produce a real... | 05/25/1976 |
| 3950595 | Transferring paper for electrophotography The present invention provides transferring papers for electrophotography which contain specific polymeric compounds and which are particularly useful in transferring by electrophoresis. The specific polymeric compounds are copolymers prepared from one or... | 04/13/1976 |
| 3949142 | Dry planographic plate A new dry planographic plate having a non-ink receptive silicone rubber background area that does not require a fountain solution to repel printing ink and process of producing this new plate comprising applying the photoresponsive sensitizer to a polymer... | 04/06/1976 |
| 3949133 | High pressure assembly and laminate A high pressure laminate comprising an overlay sheet impregnated with a melamine resin, and an unimpregnated decorative sheet of fibrous cellulosic material, a thin resin coating on preferably the backside of said decorative layer, and a core comprising a... | 04/06/1976 |
| 3944692 | Pressure sensitive materials and methods of making same Pressure sensitive materials and methods of making same, wherein a layer of adhesive material is sandwiched between a printing paper sheet surface and a backing sheet surface which is preferably of high density and coated with an adhesive release agent, p... | 03/16/1976 |
| 3936541 | Surface decoration of embossed or textured panel products This relates to a method of decorating a panel having a multi-level pattern of ridges and recesses on a major surface thereof. This patterned major surface is coated with a liquid pigmented material and is thereafter rollingly contacted under pressure wit... | 02/03/1976 |
| 3936557 | Epoxide blend for polymerizable coating compositions and process A blend of epoxide materials is provided which, although essentially free of volatile solvents, is liquid and tractable for coating and related applications at or near room temperature. The epoxide materials include an epoxy prepolymer of the type of glyc... | 02/03/1976 |
| 3933503 | Carrier for transferring images A carrier for transferring images comprising a paper treated with a release agent and coated with a binder emulsion, the binder being chiefly based on nitrile butadiene rubber obtained by copolymerization of butadiene and acrylonitrile.... | 01/20/1976 |
| 3931431 | Photographs coated with a protective and finishing layer Compositions to be applied to professional studio photographs on color paper or black and white emulsions for protective and finishing purposes comprising a vinyl resin in particulate form dispersed in methyl isobutyl ketone to which is added a blend of a... | 01/06/1976 |
| 3931432 | Printing process Process for gravure or flexographic printing of flexible substrates wherein the printing vehicle comprises a dispersion of film-forming polymer particles in an inert organic liquid, the dispersion being stabilised by a defined polymeric stabiliser and bei... | 01/06/1976 |
