...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 7125476 | Microwave-attenuating composite materials, methods for preparing the same, intermediates for preparing the same, devices containing the same, methods of preparing such a device, and methods of attenuating microwaves The present invention provides microwave attenuating, filled composite materials which contain a polymer or ceramic matrix and metallic tubules and processes for making the same and devices which contain such materials. ... | 10/24/2006 |
| 6825367 | Electrochemical hydrogenation of vegetable oils A method of electrochemically hydrogenating an oil, the method comprising reacting unsaturated fatty acids in the oil with hydrogen in the presence of a formate electrocatalyst. ... | 11/30/2004 |
| 6218556 | Synthesis of a low trans-content edible oil, non-edible oil, or fatty acid in a solid polymer electrolyte reactor An electrochemical process for hydrogenating an unsaturated fatty acid, mixtures of two or more fatty acids, or the unsaturated fatty acid constituents of an edible or non-edible oil's triglycerides is performed using a solid polymer electrolyte reactor. ... | 04/17/2001 |
| 5908539 | Method for reactions in dense-medium plasmas and products formed thereby A method and apparatus for reacting dense-medium chemicals in an induced plasma state and novel reaction products resulting from the method are described.... | 06/01/1999 |
| 5843626 | Method for manufacturing a master disc for optical discs In a method for manufacturing a master disc for optical discs, patterns to be displayed on the disc are classified into a main object and a background. The background is commonly assigned as the background pattern for glittering rainbow colors by diffract... | 12/01/1998 |
| 5800604 | Wax The invention relates to a novel wax and also to a process for preparing the wax which can be chemically modified in a simple, flexibly adaptable, inexpensive and environmentally friendly way. For this purpose, it is provided for the untreated waxes to be... | 09/01/1998 |
| 5709740 | Thermally expandable, viscosity modified wax compositions and method of use in actuators A thermally expandable wax composition and its use in polymer-based actuators is disclosed and claimed. The compositions are wax-based and include conductive filler as well as a viscosity modifier to stabilize the composition against segregation. Optional... | 01/20/1998 |
| 5316639 | Dielectric material used for an ozone generator and a method of forming a film to the dielectric material This invention concerns a SiO2, SiNx protection film formed by a CVD or PVD gas phase glowing method capable of preventing melting of the matrix ingredients at the surface of a dielectric material in electric discharge of an ozone ge... | 05/31/1994 |
| 5096551 | Metallized tubule-based artificial dielectric Dielectric composites are produced by incorporating metallized particles having a high aspect ratio, such as metallized phospholipid tubules, in a polymeric and/or ceramic matrix and curing or sintering in an electric, magnetic, or flow field to align the... | 03/17/1992 |
| 4735784 | Method of treating fluoride contaminated wastes A process for treating solid substantially non-volatile wastes contaminated with a heat sensitive contaminant is disclosed. The wastes are heated to form a liquid slag. The liquid slag is held at elevated temperature until at least a portion of the contam... | 04/05/1988 |
| 4272464 | Method for preventing plasticizer bleeding on polyvinyl chloride shaped articles A method for preventing bleeding of plasticizers on the surface of shaped articles of plasticized polyvinyl chloride resins. The method comprises the steps of (a) blending a urethane elastomer with the polyvinyl chloride resin together with the plasticize... | 06/09/1981 |
| 4101563 | Process for refining crude oil An improved process for the refining of crude oil selected from the group of fats, animal and vegetable oils. The crude oil is reacted with aqueous alkali to produce a treated oil with reduced acidic content but containing finely dispersed, liquid-state a... | 07/18/1978 |
| 4098673 | Method and apparatus for removing colloidal suspensions from a liquid A system and method for removing colloidal suspensions or particles from a liquid, in particular tall oil soap particles from black liquor of a wood pulping process. Black liquid is moved along a flow path from an upstream to a downstream zone. First and ... | 07/04/1978 |