Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 8153283 | Magnetic recording medium, method of modifying surface of magnetic powder and magnetic coating material An aspect of the present invention relates to a magnetic recording medium comprising a magnetic layer comprising a ferromagnetic powder and a binder on a nonmagnetic support, wherein the magnetic layer comprises a compound denoted by general formula (1): | 04/10/2012 |
| 7553565 | Magnetic recording medium A magnetic recording medium is provided that includes a support and at least one magnetic layer provided on or above the support, the magnetic layer including a ferromagnetic powder dispersed in a binder and at least one type of compound selected from Formulae (I) t... | 06/30/2009 |
| 7402349 | Thick film composition yielding magnetic properties The invention is directed to a magnetic thick film composition comprising particles of permanent magnetic materials dispersed in organic medium wherein the medium comprises a polymer selected from polyurethane, phenoxy and mixtures thereof, and organic solvent. ... | 07/22/2008 |
| 7229709 | Method for producing nanoparticle layer having uniform easy axis of magnetization, magnetic recording medium having such layer, its production method, and its production apparatus The magnetic recording medium provided is produced by forming a substrate having a nanoparticle layer comprising an array of nanoparticles, and an organic compound between said array of nanoparticles; irradiating the nanoparticle layer with an infrared beam to magne... | 06/12/2007 |
| 6653000 | Magnetic recording medium comprising a specific azo dye Provided is a magnetic recording medium that is employed to particular advantage as an external recording medium for the recording of digital data, having a layer in which carbon black is well dispersed, and in particular, a backcoat layer. A magnetic rec... | 11/25/2003 |
| 5158802 | Process for producing a magnetic recording material A process for producing a magnetic recording medium is described in which a hardening agent and a lubricant are added to a magnetic coating solution prior to coating thereof on a non-magnetic support. It has been found that improved magnetic recording pro... | 10/27/1992 |
| 5082717 | Styrene-based resin composite material Disclosed are a styrene-based resin composite material in which a layer composed mainly of a curable phosphazene compound is formed on the surface of a molding material of a styrene-based polymer having a mainly syndiotactic configuration or a composition... | 01/21/1992 |
| 4868060 | Magnetic recording medium A magnetic recording medium is described, comprising a non-magnetic support having provided thereon a magnetic layer containing ferromagnetic particles and a binder, said binder of the magnetic layer containing polyisocyanato-isocyanurate as a hardening c... | 09/19/1989 |
| 4797324 | Magnetic recording medium The present invention discloses a magnetic recording medium comprising a substrate and a magnetic layer formed on at least one surface of the substrate, wherein said magnetic layer is constituted of a magnetic powder and a binder which contains an epoxy-c... | 01/10/1989 |
| 4711819 | Magnetic recording medium In a magnetic recording medium such as video tape, audio tape and computer tape, comprising a non-magnetic support and a magnetic recording layer coated thereon in which a ferromagnetic powder is dispersed, the feature consists in that the binder contains... | 12/08/1987 |
| 4693908 | Magnetic recording disk with improved lubricant retention The addition of water and an inverse micelle forming surfactant in an appropriate molar ratio to the organic binder used as a coating for magnetic recording disks results in the formation of micropores of uniform size and distribution in the coating when ... | 09/15/1987 |
| 4678705 | Composition and method for making magnetic recording elements A composition for making magnetic recording elements comprising finely divided particles of magnetic pigment dispersed in an organic medium comprising polymeric binder, lubricant, dispersing agent and porosity control agent dispersed in volatile organic s... | 07/07/1987 |
| 4581296 | Magnetic recording media Magnetic recording media consist of a non-magnetic base and a magnetic layer firmly bonded thereto, the magnetic layer containing further additives in addition to ferromagnetic metal powder, an organic binder, a metal oxide powder and conventional assista... | 04/08/1986 |
| 4575474 | Magnetic recording medium and composition and method therefor A composition which is useful for preparing a magnetic recording medium is prepared by homogeneously mixing components comprising a magnetic powder, a resin binder and a partial hydrolyzate of an organosilicon compound which contains at least two silicon-... | 03/11/1986 |
| 4567096 | Hydrated alumina binder system The composition and method of making a magnetic recording media using a polyurethane binder system with high lubricant retention and a high concentration of magnetic particles is described. The use of hydrated alumina with a solvent blocked isocyanate is ... | 01/28/1986 |
| 4546035 | Polymeric additives for magnetic coating materials A heat curable magnetic coating mixture contains one or more polymeric additives selected to thermally oxidize during coating cure to create a plurality of microvoids in the cured coating as an aid to increase the retention of a lubricant which is applied... | 10/08/1985 |
| 4302523 | Magnetic recording elements containing transparent recording layer Magnetic recording elements containing substantially transparent magnetic recording layers which exhibit excellent magnetic recording and reproducing characteristics. Such elements contain a support and a transparent magnetic recording layer. The recordin... | 11/24/1981 |
| 4135036 | Process for production of magnetic recording media and recording media A process for producing a magnetic recording medium with a magnetic recording layer comprising coating a magnetic coating composition comprising mainly a ferromagnetic powder, a binder, and a predominantly aqueous coating solvent on a nonmagnetic support ... | 01/16/1979 |
| 4074012 | Fine-metal-particle-based magnetic recording medium of improved environmental stability Magnetic recording media having a magnetizable layer that comprises fine metal particles based on iron, cobalt, or nickel dispersed in a nonmagnetizable binder material have improved environmental stability because of the presence in the magnetizable laye... | 02/14/1978 |
