Did You Know...
...that in 1800 ether was first used by partyers as a fun diversion? Sniffing the gas led to hilarious and raucous laughter as people watched each other become more and more intoxicated and silly. Several doctors independently realized the value ether would have to anesthetize surgery patients. Of those who claimed rights to the "discovery," none had a happy ending. One had a seizure and died defending his rights. Another spent his life in an asylum because he had been denied acclaim. A third became addicted to chloroform and, in a New York City jail, he soaked a cloth in the drug, severed an artery and bled to death.
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| Number | Title | Issue Date |
| 4005234 | Tubular article and method of making the same Tubular articles and the like and methods of making the same are disclosed, the tubular article being of desired tortuous shape, strong and rigid, free from porosity, light in weight, resistant to high and low temperatures with outerskin layers to improve... | 01/25/1977 |
| 4004057 | Gold conductor compositions This invention relates to dispersions of gold and a certain inorganic binder in an inert liquid vehicle, useful in the electronics art for producing conductor patterns adherent to substrates. Small amounts of the binder are effective in producing excellen... | 01/18/1977 |
| 4001476 | Manufacture of float glass Patterned float glass is manufactured by locating in contact with the float ribbon, while it is hot, a shaped molten body of a material for modifying the glass surface. The configuration of the molten body is progenitive of a pattern to be introduced into... | 01/04/1977 |
| 4001475 | Ablative surface insulator An ablative surface insulator having a basket-like open weave of metal strips, convoluted on a one inch pitch and having a spacing of one-half inch between center lines of the strips is attached to a base material to be protected. A suitable elastomeric m... | 01/04/1977 |
| 3999301 | Reticle-lens system A method of producing an optical reticle and the reticle produced thereby. thin layer of aluminum is deposited on the face of a sapphire substrate and a reticle pattern is chemically etched therein. The system is then exposed to air at an elevated tempera... | 12/28/1976 |
| 3993821 | Metallization of beryllia composites Metallization for application to green unfired beryllia ceramics and for cofiring therewith either in single or multilayer laminates is provided by combining and milling 5 to 30 and preferably 15-25 weight percent of beryllia with a metal such as molybden... | 11/23/1976 |
| 3984598 | Metal-clad laminates Metal-clad laminates in which the metal coating of the laminate is only from about 1 micron to about 20 microns in thickness are prepared by depositing a copper coating on a substrate which has been treated with a release agent, treating the upper side of... | 10/05/1976 |
| 3984592 | Metal foil for heating and cooling foods and method of making same An improved metal foil composite sheet and method of fabricating the same for heating and/or cooling food products. Metal foil is coated on one surface with a heat stable, thermoplastic, epoxy and on its second surface with a heat resistant, dielectric, t... | 10/05/1976 |
| 3959543 | Non-linear resistance surge arrester disc collar and glass composition thereof A zinc oxide compound non-linear resistance surge arrester disc is provided with a glass anti-flashover collar having a relatively low fusing temperature and a relatively low coefficient of thermal expansion. The glass comprises the following constituents... | 05/25/1976 |
| 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 |
| 3958317 | Copper surface treatment for epoxy bonding A treated copper surface for bonding, using adhesive such as epoxy glass, in applications such as multilayer circuit boards. The copper surface is covered with a thin layer of chromium having a roughened (etched) outer surface. The chromium layer preclude... | 05/25/1976 |
| 3958070 | Decorative metallic articles with differently colored surface zones A novel material is disclosed that is useful for the manufacture of durable metal articles which have differently colored surface zones.... | 05/18/1976 |
| 3955024 | Printed circuit board A method of improving the dimensional and thermal stability of a fibrous web containing substrate is disclosed. A uniformly or randomly spun or bonded fabric or textile support is impregnated with a curable polymer resin, e.g., an epoxy-polyester resin. T... | 05/04/1976 |
| 3955023 | Black dielectric mask on white substrate An improved method is provided for applying a dark dielectric surface to a white substrate as used in headers for light emitting diode displays. Light reflectance is reduced without degrading the insulating properties of the dielectric. A paste comprising... | 05/04/1976 |
| 3947618 | Electrically heated transparent panel An electrically heated transparent panel is described for a laminated safety glass window construction having a clear polymer inner layer with a pattern of wrinkled resistance wires oriented in a three-dimensional non-parallel random fashion so as to redu... | 03/30/1976 |
| 3947614 | Protection from corrosion of resistance-welded sheet metal covered with non-metallic layers A method for the protection of blanc areas of sheet metal otherwise coated with layers of synthetic materials, lacquers, foils or the like, wherein the said blanc areas are covered by applying a liquid, viscous or solid rust-protective agent by frictional... | 03/30/1976 |
| 3944696 | High-adhesion conductors Glass frits for producing high-adhesion silver conductor patterns on ceramic substrates, useful in electronic circuitry. Metallizations of such frits. Conductors produced therewith.... | 03/16/1976 |
| 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 |
