| Patent Number |
Title Of Patent |
Date Issued |
| 5788493 |
Permanent magnet assembly, keeper and magnetic attachment for denture supporting |
August 4, 1998 |
| The invention relates to denture-supporting permanent magnet assemblies each using a magnetic attractive force, and provides denture-supporting permanent magnet assemblies, denture-supporting keepers, and denture-supporting magnetic attachments each of which uses a magnetic material |
| 5337033 |
Permanent magnet assembly for stably fixing denture |
August 9, 1994 |
| A permanent magnet assembly for stably fixing a denture comprising a permanent magnet, a casing made of a corrosion-resistant, magnetic material having a cavity for receiving the permanent magnet, and a seal plate for covering an opening of the casing to prevent the permanent magnet |
| 4877308 |
Light shielding screen structure and a process for producing the same |
October 31, 1989 |
| A light shielding screen structure comprising a first light transmissible substrate, a second light transmissible substrate and, interposed therebetween, a light shielding screen comprising a perforated structure comprising a plurality of fine partition walls and apertures defined by |
| 4758274 |
Dental amalgam alloys containing selenium |
July 19, 1988 |
| A dental amalgam alloy containing selenium includes one or two or more of powders of chemically synthesized copper selenides (CuSe, Cu.sub.2 Se), silver selenide (Ag.sub.2 Se), gold selenide (Au.sub.2 Se.sub.3), nickel selenide (NiSe), palladium selenides (PdSe, PdSe.sub.2), platinum |
| 4702765 |
Method of making selenium-containing amalgam alloys for dental restoration |
October 27, 1987 |
| Selenium-containing amalgam alloys for dental restoration comprises 0.1-50% by weight of any one of the following alloy powders (A), (B) and (C) mixed with 50-99.9% by weight of the following amalgam alloy powders (D).(A): Silver alloy powders containing no less than 50% by weight of silver |
| 4528034 |
Selenium-containing amalgam alloys for dental restoration and method for the preparation thereof |
July 9, 1985 |
| Selenium-containing amalgam alloys for dental restoration comprises 0.1-50% by weight of any one of the following alloy powders (A), (B) and (C) mixed with 50-99.9% by weight of the following amalgam alloy powders (D).(A): Silver alloy powders containing no less than 50% by weight of silver |
| 4385892 |
Setting compositions for dental purposes |
May 31, 1983 |
| A novel setting composition for dental purposes comprises a dental silver amalgam alloy composed mainly of silver and tin, and including one or more of copper, zinc, indium, palladium and gold; mercury in an amount sufficient to amalgamate said alloy: and selenium. The selenium may or ma |
| 4239686 |
Process for producing phthalimido derivatives |
December 16, 1980 |
| A process for producing a 3-iminohaloisoindoline-1-one which comprises treating a halophthalodinitrile with ammonia and/or an organic amine together with hydrogen peroxide in a mixed reaction medium comprising water and an organic solvent. |
