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System for magnetically attaching templeless eyewear to a person
A system of eyewear that eliminates the need for hinges on the frames of the eyewear.
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| Number | Title | Issue Date |
| 7087274 | Media having ink-receptive coatings for heat-transferring images to fabrics An improved ink-jet printable heat-transfer medium comprising a base substrate having a surface coated with a hot-melt layer and an ink-receptive layer is provided. The ink-receptive layer comprises: i) non-polymeric organic particles that are a reaction product of ... | 08/08/2006 |
| 6677389 | Cationized silica dispersion Provided is a cationized silica dispersion prepared by dispersing dry processed silica and a cationic resin in a polar solvent, wherein a concentration of dissolved silicic acid at 25° C. is 200 ppm or less. This cationized silica dispersion does not sub... | 01/13/2004 |
| 6500870 | Method for manufacturing of silica sols A method for production of high purity silica sols comprising the steps: (a) adding a phosphonic acid-based complexing agent to the silicic acid-containing solution forming complexes with metal cations present in said solution; (b) forming in said silicic... | 12/31/2002 |
| 6291535 | Silica-magnesium fluoride hydrate composite sols and process for their preparation A sol comprising silica-magnesium fluoride hydrate composite colloidal particles used in an anti-reflection coating material for forming an anti-reflection coating and a process for its preparation are provided. A sol comprising silica-magnesium fluoride ... | 09/18/2001 |
| 5597512 | Method for preparing elongated-shaped silica sol A method for preparing a silica sol having an elongated shape comprising a step (a) where an aqueous solution containing a water-soluble calcium salt or a water-soluble magnesium salt or a mixture of the water-soluble calcium salt or the water-soluble mag... | 01/28/1997 |
| 5230833 | Low sodium, low metals silica polishing slurries A colloidal silica slurry comprising: a low metals ammonium-stabilized silica sol having the following characteristics: SiO2 present in the range between about 15 to about 50 weight percent; a pH in the range between about 8.5 to about 11.3; a ... | 07/27/1993 |
| 5221497 | Elongated-shaped silica sol and method for preparing the same A method for preparing a stable silica sol having an SiO2 concentration of 40% or less, the colloidal particles of said silica having a particle size of 40 to 500 nm, as measured by dynamic light-scattering and having an elongated shape having ... | 06/22/1993 |
| 4343717 | Process for the preparation of stable silica sol Stable, colloidal, silica sol is provided by a process which comprises vigorously mixing a slurry of calcium silicate with a dilute acid having a pKa value of less than about 8, such as sulfuric acid, and thereafter separating the sol from the ... | 08/10/1982 |
| 4070283 | Controlled surface porosity particles and a method for their production Superficially porous macroparticles of improved characteristics are formed from an impervious core having a diameter in the range of about 5 to about 500 microns, at least two monolayers of like microparticles adhered to the core, each microparticle havin... | 01/24/1978 |
| 4054536 | Preparation of aqueous silica sols free of alkali metal oxides A process for preparing silica sols substantially free of alkali metal ions which comprises A. adding to a boiling aqueous solution of a lower alkanol amine a 2-10% by weight aqueous solution of silicic acid, the mole ratio of SiO2 to lower alk... | 10/18/1977 |
