Bizarre Patents
A banana protective device for storing and transporting a banana carefully.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 5700148 | Syringe-deliverable neutralizing barrier A syringe-deliverable neutralizing barrier and methods for delivering a composition to form the neutralizing barrier. The neutralizing barrier is formed from a viscous caulking-type material delivered onto a tooth surface to define an etching area while p... | 12/23/1997 |
| 5698020 | Photochromic dental material The invention relates to dental materials which contain a photochromic material such as for example a photochromic dye, a photochromic glass, a photochromic ceramic and/or a photochromic glass ceramic and which can be visually distinguished from natural t... | 12/16/1997 |
| 5698019 | Leucite-containing phosphosilicate glass-ceramic A leucite-containing phosphosilicate glass-ceramic is described which, in addition to a leucite crystalline phase and at least one further crystalline phase, also contains one or more glass phases.... | 12/16/1997 |
| 5698610 | Low-dust dental alginate impression material composition A low-dust dental alginate impression material composition is disclosed, comprising an alginate, a gelation reaction agent, a gelation regulator, and a filler as major components, which further comprises sepiolite and/or a tetrafluoroethylene resin having... | 12/16/1997 |
| 5698482 | ZrO2 - containing glass-ceramic A ZrO2 -containing glass ceramic is described, the main crystalline phase of which is formed by ZrO2 and which has at least one further crystalline phase, and which can be used in particular in dentistry.... | 12/16/1997 |
| 5683496 | Storage stable calcium phosphate cements Two component, storage stable apatitic cement compositions, as well as methods for their production, are provided. The dry component of subject apatitic cements comprises basic calcium source particles at least partially coated with a partially neutralize... | 11/04/1997 |
| 5681872 | Bioactive load bearing bone graft compositions Novel fillers comprising combeite glass-ceramic are provided. hardenable restorative compositions comprising particulate combeite glass-ceramic provide improved biocompatibility in bone restorations. Hard, shaped bodies for orthopaedic, dental and other u... | 10/28/1997 |
| 5679144 | Powder composition for the preparation of an opaque dental porcelain in the form of a paste A powder composition for the preparation of an opaque dental porcelain, containing as its components one or more feldspar frits consisting of a number of feldspar frits of different chemical compositions and different physical properties; CeO2 as th... | 10/21/1997 |
| 5676745 | Pre-ceramic polymers in fabrication of ceramic composites Composites in the form of a three-dimensional framework or skeleton of ceic particles are formed by a low cost, low temperature sintering process which decomposes a pre-ceramic inorganic or organic precursor. Upon heating, preferably in air, the precurso... | 10/14/1997 |
| 5665333 | Methods, compositions, and dental delivery systems for the protection of the surfaces of teeth The present invention discloses applicators containing cationic surface active agents, hydrophobic barrier-forming materials and antimicrobial compounds which form, upon application to dental surfaces, a protective and bacteria-inhibiting film.... | 09/09/1997 |
| 5662886 | Adhesive amalgam system A modified amalgam composition forming an adhesive bond with tooth structure treated with a dental adhesive. The modified amalgam can be prepared by admixing particulate additives into conventional amalgam alloy powder to form a modified alloy powder and ... | 09/02/1997 |
| 5660817 | Desensitizing teeth with degradable particles A method for desensitizing a hypersensitive tooth in a patient includes contacting exposed tubules with particles including a degradable material.... | 08/26/1997 |
| 5661222 | Polyvinylsiloxane impression material Improved two component polymerizable polyorganosiloxane compositions are described, particularly for use in making dental impressions, having improved tear strength and wettability. Improved tear strength results from inclusion of a quadri-functional poly... | 08/26/1997 |
| 5658963 | One-component primer/bonding-resin systems Primer/bonding-resin compositions include certain hydrophilic monomers, reactive diluent monomers, high viscosity adhesive resins and photo-initiator systems, all provided in a one-component solution containing ethanol or acetone or other suitable solvent... | 08/19/1997 |
| 5653791 | Two-phase dental forcelain composition A two-phase porcelain composition for dental restorations comprising a leucite crystallite phase dispersed in a feldspathic glass matrix, a maturing temperature of from about 750° to about 1050° C. and a coefficient of thermal expansion of from about 12... | 08/05/1997 |
| 5646197 | Antimicrobial root canal sealer The present invention is directed to a root canal sealer which satisfies the need for obtaining a tight seal. The root canal sealer comprises the following powders in the following weight ratios: 31 to 41% zinc oxide, 25% hydrogenated rosin glycerol ester... | 07/08/1997 |
| 5645934 | Composite materials using bone bioactive glass and ceramic fibers Composite materials formed from bone bioactive glass or ceramic fibers and structural fibers are disclosed. In preferred embodiments, a braid or mesh of interwoven bone bioactive glass or ceramic fibers and structural fibers is impregnated with a polymeri... | 07/08/1997 |
| 5641347 | Barium-free dental glass having good x-ray absorption Disclosed is a barium-free glass of good x-ray absorption, which has a composition (in wt.-% on the oxide basis) of SiO2 50-75; ZrO2 5-30; Li2 O 0-5; Na2 O 0-25; K2 O 0-25; Σ alkali oxides 0-25. Pref... | 06/24/1997 |
| 5639445 | Dental material and method for applying preventative and therapeutic agents A dental composition is produced from a dilatant silicone polymer composition by dispersing a bioactive component in the polymer composition. The dental composition is shaped and pressed against the teeth and gum surfaces and allowed to remain in place fo... | 06/17/1997 |
| 5629361 | Emulsion of polymer having (meth)acrylate unit and adhesive compositions containing the emulsion for dentine An emulsion of a polymer, in which the polymer comprises (a) a recurring unit derived from a (meth)acrylate and (b) a recurring unit derived from a vinyl compound having a group of --SO3 R in which R is a hydrogen atom, an alkali metal atom or ... | 05/13/1997 |
| 5622552 | Glass ionomer cement compositions and restorative methods A restoration for restoring a lesion in a tooth and method for making the same. The restoration comprises a layer of glass ionomer cement bonded to the lesion and a layer of amalgam disposed on the layer of glass ionomer cement. The restoration is formed ... | 04/22/1997 |
| 5622551 | Chemically derived leucite Chemically derived leucite is claimed. The chemically derived leucite is obtained from a stable dispersion of a potassia precursor, an alumina precursor and a silica precursor having a specified dry weight solids content. Chemically derived tetragonal leu... | 04/22/1997 |
| 5618763 | Alkali-zinc-silicate glass-ceramics and glasses Alkali-zinc-silicate glass ceramics and glasses are described which have a linear thermal expansion coefficient in the range from 8.0 to 18.7×10-6 K-1, an excellent chemical resistance and other advantageous optical properties and c... | 04/08/1997 |
| 5616316 | Dentifrice-compatible silica particulates Novel silica particulates especially adapted for formulation to dentifrice compositions exhibit unique physical and chemical properties. In one embodiment, silica particulates have a unique surface chemistry as to be at least 50% compatible with zinc valu... | 04/01/1997 |
| 5614330 | Porcelain coating compositions for low expansion porcelain cores and the resulting all-ceramic dental restorations An all-ceramic dental restoration comprising a ceramic core over and at least one coating thereon of a porcelain composition having a maturing temperature of from about 850° to about 1050° C. and a coefficient of thermal expansion of from about 4.0 to a... | 03/25/1997 |
| 5614177 | Dentifrice-compatible silica particulates Novel silica particulates especially adapted for formulation to dentifrice compositions exhibit unique physical and chemical properties. In one embodiment, silica particulates have a unique surface chemistry as to be at least 50% compatible with zinc valu... | 03/25/1997 |
| 5614176 | Dentifrice-compatible silica particulates Novel silica particulates especially adapted for formulation to dentifrice compositions exhibit unique physical and chemical properties. In one embodiment, silica particulates have a unique surface chemistry as to be at least 50% compatible with zinc valu... | 03/25/1997 |
| 5612020 | Dentifrice-compatible silica particulates Novel silica particulates especially adapted for formulation to dentifrice compositions exhibit unique physical and chemical properties. In one embodiment, silica particulates have a unique surface chemistry, as to be at least 50% compatible with zinc val... | 03/18/1997 |
| 5609675 | Inorganic composition An inorganic composition comprises (A) 60 to 99% by weight of spherical inorganic oxide particles having a mean particle diameter greater than 0.1 μm but not greater than 1 μm, and (B) 40 to 1% by weight of inorganic oxide fine particles having a mean p... | 03/11/1997 |
| 5605713 | Process for the preparation of calcium phosphate cements and its application as bio-materials The invention refers to the use of a series of calcium orthophosphate cements as bio-materials, starting from a number of components by grinding and sieving to obtain the adequate grain size, the needed quantity being weighed and the blend of powder produ... | 02/25/1997 |
| 5601640 | Command-curable composition A light-curable dental cement composition contains (a) the reaction product of vinyl phosphonyl chloride and pentane 1,5 diol, (b) a photopolymerisation initiator, (c) ion-leachable aluminosilicate glass powder, (d) poly(vinyl phosphonic acid), (e) bisGMA... | 02/11/1997 |
| 5591030 | Dental ceramic restoration using a multi-layered structure A dental ceramic restoration having a multi-layered structure on a core, obtainable by applying an opaque layer composed of from 50 to 60 wt.-% of SiO2, 4 to 10 wt.-% of Na2 O, 0 to 2.5 wt.-% of CaO, 8 to 14 wt.-% of K2 O,... | 01/07/1997 |
| 5580623 | Storage stable partially neutralized acid compositions and uses Methods and compositions are provided for preparing storage stable partially neutralized acid compositions. The partially neutralized acid compositions are amenable to prolonged periods of storage. Following storage, the acids can be neutralized with a ca... | 12/03/1996 |
| 5575652 | Process for applying antibacterial oral composition to dental implant areas An oral gel composition suitable for application to teeth and gums, particularly of people having dental implants. The gel composition contains an aqueous orally acceptable gel vehicle, a substantially water-insoluble noncationic antibacterial antiplaque ... | 11/19/1996 |
| 5571493 | Reactive tricalcium phosphate compositions and uses Methods for producing a room temperature stable, phase pure -C3 P product, and compositions derived therefrom, are provided. In the subject method, a tricalcium phosphate source is heated to a temperature sufficient to convert substantia... | 11/05/1996 |
| 5562895 | Methods and compositions for mineralizing and flouridating calcified tissues The invention involves new compositions and methods of use and delivery of amorphous calcium compounds such as: amorphous calcium phosphate (ACP), amorphous calcium phoshate fluoride (ACPF), amorphous calcium carbonate phosphate (ACCP), amorphous calcium ... | 10/08/1996 |
| 5560742 | Use of palladium-silver alloys for the manufacture of dentures Gold-free palladium-silver alloys for dentures [dental prostheses] which alloys can be veneered without color changes with dental ceramics and can be easily removed from the mold after the casting contain 45 to 80% by weight palladium, 7 to 50% by weight ... | 10/01/1996 |
| 5559063 | Refractory material A refractory powder includes a filler, a binder, and a metal powder. This provides improved heat transfer in the refractory material during heating, and reduces the problem of explosive cracking and spalling so the refractory material can be burned out at... | 09/24/1996 |
| 5558701 | Sol-gel composition for producing glassy coatings Glassy coatings are made by curing in situ a coating of a sol gel of boron triethoxide, water, alcohol, and the alkoxides of: titanium and zirconium. A platey filler such as mica is present. The coating may be applied to teeth as a dental fissure sealant ... | 09/24/1996 |
| 5552350 | Low-fusing temperature porcelain A low-fusing temperature porcelain composition for use in dental prostheses is disclosed having a fusing temperature of about 700° C.&#b1;50° C. and a coefficient of thermal expansion compatible with a substrate of metal or ceramic. The composition incl... | 09/03/1996 |
