Did You Know...
...that power steering was invented by independent inventor Francis W. Davis? As chief engineer in the 1920s of the truck division of the Pierce Arrow Motor Car Company, he saw how hard it was to steer heavy vehicles. So that he would be able to keep the profits from his future invention, Davis left his job, rented a small engineering shop in Waltham, Mass., and developed a hydraulic power steering system that led to power steering.
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| Number | Title | Issue Date |
| 7320598 | Method for filling and sealing a root canal A root canal is filled and/or sealed using a hydrophilic sealing composition, optionally in combination with other filling materials. The sealing composition may include one or more resins that promote adhesion to hydrophilic dental tissues. The composition may be i... | 01/22/2008 |
| 7320799 | Coatings, coated articles and methods of manufacture thereof A multi-layer coating is particularly useful for the coating of implants such as orthopedic and dental implants, particularly metallic implants. The multi-layer coating has both high bond strength to implants and excellent bioactivity with the surrounding body tissu... | 01/22/2008 |
| 7320798 | Coatings, coated articles and methods of manufacture thereof A multi-layer coating is particularly useful for the coating of implants such as orthopedic and dental implants, particularly metallic implants. The first layer comprises a dense material insoluble and inert in body fluids. The second layer comprises apatite and a b... | 01/22/2008 |
| 7320728 | Rod-shaped apatite crystals having a specific length-to-width ratio The rod-shaped apatite crystals of the formula Ca5(PO4)3(OH)xFy have the following features a) the length-to-breadth ratio of the crystals is at least ≧5 and b) x+y=1, where if x or y... | 01/22/2008 |
| 7318841 | Synthesis of calcium phosphates by mechano-chemical process A low crystallinity calcium phosphate powder is prepared by mechanically grinding a calcium phosphate solid under grinding forces local heating sufficient to mechanically alloy the calcium phosphate solid and reduce the crystalline domains of the calcium phosphate s... | 01/15/2008 |
| 7316740 | Lithium silicate materials Lithium silicate materials are described which can be easily processed by machining to dental products without undue wear of the tools and which subsequently can be converted into lithium silicate products showing high strength. ... | 01/08/2008 |
| 7314610 | Dental compositions having anti-stokes up converters and methods of use A dental composition can include at least one polymerizable resin and at least one anti-stokes up converter. Alternatively, a two-part composition can include at least one dental composition configured for placement onto a person's tooth, and at least one anti-stoke... | 01/01/2008 |
| 7297645 | Opalescent glass-ceramic product An opalescent glass-ceramic product, especially for use as a dental material or as an additive to or component of dental material, including SiO2, Al2O3, P2O5, Na2O, K2O, CaO and Me(IV))O | 11/20/2007 |
| 7294187 | Rapid-hardening calcium phosphate cement compositions A bone or dental implant material in the form of a paste includes a mixture of calcium phosphate and/or calcium-containing powders and a solution that is (1) an acidic calcium phosphate solution saturated with respect to one or more calcium phosphate compounds, (2) ... | 11/13/2007 |
| 7282195 | Flavored sealants A single-component composition for repairing, protecting or sealing teeth comprising a polymerizable resin, a flavoring agent, wherein the flavoring agent is a non-oil containing natural flavoring agent, or an artificial flavoring agent, an ultraviolet light absorbe... | 10/16/2007 |
| 7273596 | Method of producing granulated anhydrous dicalcium phosphate A new and useful method of simultaneously producing and granulating anhydrous dicalcium phosphate is provided. Such a method entails the reaction of concentrated phosphoric acid with a powdered material of lime and/or calcium carbonate in substantially equal stoichi... | 09/25/2007 |
| 7264665 | Inert dental glass The invention relates to the use of ions of weakly basic oxides as linking ions for polyacids in cements, preferably polyelectrolyte cements. Suitable ions comprise elements of the scandium series, for example, Sc3+, Y3+, La3+, Ce | 09/04/2007 |
| 7261558 | Electromagnetic radiation emitting toothbrush and dentifrice system A cleaning and whitening system for teeth having an electromagnetic radiation emitting toothbrush and a dentifrice with a photosensitive agent is disclosed. The toothbrush has a cleaning surface, such as bristles. The toothbrush is also adapted to direct electromagn... | 08/28/2007 |
| 7261771 | Method of controlling the viscosity of a cementitious mixture using oppositely-charged polyelectrolytes A process for increasing the viscosity of an aqueous cementitious mixture during its working state by mixing oppositely-charge polyelectrolytes into the cementitious mixture. ... | 08/28/2007 |
| 7258734 | Injectable calcium phosphate cements and the preparation and use thereof A calcium phosphate cement suitable for use in dental and bone prosthesis is disclosed, which include calcium phosphate particles having a diameter of 0.05 to 100 microns, wherein said calcium phosphate particles on their surfaces have whiskers or fine crystals havi... | 08/21/2007 |
| 7252672 | Use of vibration with orthopedic cements Methods of employing bone defect filling, e.g., orthopedic cements, such as calcium phosphate cements and the like, are provided. A feature of the subject methods is that vibration is employed in conjunction with the use of the cement, e.g., in preparation of the ce... | 08/07/2007 |
| 7250550 | Synthetic bone substitute material The invention includes a synthetic bone substitute material suitable for use as a replacement for cancellous bone in a bone graft composition, the material comprising a reticulated framework of interconnecting bioceramic struts defining an interconnecting interstiti... | 07/31/2007 |
| 7244305 | Antibacterial gypsum composition for dental surgery Disclosed is an antibacterial gypsum composition for dental surgery, which eliminates pathogens transferred from the mouth of a patient, so that a dentist or others participating in dental surgery can be prevented from being infected by such pathogens during the wor... | 07/17/2007 |
| 7244301 | Heat generating biocompatible ceramic materials An injectable heat generating biocompatible ceramic compositions based on hydraulic calcium aluminate, which can be used for therapeutic treatment in vivo, such as tumour treatment, pain control, vascular treatment, drug activation etc, when curing in situ, and whic... | 07/17/2007 |
| 7244247 | Bag for preserving and transporting sterile products in powder form and for forming solutions of said products in the bag A bag for preserving and transporting a sterile product in powder form and a method for preparing solutions of the sterile product in the bag. The bag contains a sterile product in powder form and has a port closed by a membrane through which a solvent can be fed in... | 07/17/2007 |
| 7238122 | Ormocer composites for golf ball components A golf ball comprising a core; a cover layer; and a barrier layer disposed between the core and the cover layer, the barrier layer being formed from a composition comprising an organically-modified ceramic material (also referred to as ormocers, ceramers, ormosils, ... | 07/03/2007 |
| 7238229 | Methods and compositions for cementing in well bores Methods of cementing in well bores using cement compositions having elasticity or high compressive strength and low permeability are provided. The cement compositions basically include particulate acid-degradable glass, water, at least one water-soluble polymerizabl... | 07/03/2007 |
| 7232646 | Low-viscous, radiation curable formulation, particularly for the stereo-lithographical production of earpiece The invention relates to a biocompatible, low-viscous, radiation curable formulation, particularly for use in stereolithography, for use in medical technology, in particular, for producing earpieces, containing: a) 55-95% by weight of a monomeric or oligomeric dimet... | 06/19/2007 |
| 7229286 | Composite veneered cast glass-ceramic dental construct A dental construct according to the present invention includes a glass-ceramic coping having a resin composite material in the form of a veneer bonded or otherwise affixed to at least a portion of the coping. A method according to the invention of preparing the dent... | 06/12/2007 |
| 7226960 | Self-etching primer adhesive and method of use therefor A self-etching, priming dental adhesive composition comprises an olefinically unsaturated monomer having an —SO3 functionality; a copolymerizable multi-functional (meth)acrylate adhesive; and a curing system. The self-etching, priming dental adhesive ma... | 06/05/2007 |
| 7223808 | Temporary adhesive for metal-metal and metal-ceramic bonds The invention relates to a method for the production of an adhesive and an adhesive kit for joining similar or different metal surfaces or ceramics, especially in the field of biomedicine. The objective of the invention is to avoid polymerization-linked by-products ... | 05/29/2007 |
| 7214726 | Methods of using two-part self-adhering dental compositions A method for providing a dental composition comprising providing a paste/paste two-part self-adhering dental composition comprising (a) at least one acidic compound containing at least one acidic moiety selected from the group consisting of | 05/08/2007 |
| 7214262 | Temporary cosmetic dental surface coating A temporary cosmetic dental coating has a transparent resin matrix containing embedded glass microspheres. The refractive index of the microspheres is at least 0.03 greater than the refractive index of the transparent resin matrix. Incoming light is reflected back i... | 05/08/2007 |
| 7214265 | Injectable calcium phosphate cements and the preparation and use thereof A calcium phosphate cement suitable for use in dental and bone prosthesis is disclosed, which include calcium phosphate particles having a diameter of 0.05 to 100 microns, wherein said calcium phosphate particles on their surfaces have whiskers or fine crystals havi... | 05/08/2007 |
| 7211136 | Dental filling material A dental filling material comprising a thermoplastic polymer. The thermoplastic polymer may be biodegradable. A bioactive substance may also be included in the filling material. The thermoplastic polymer acts as a matrix for the bioactive substance. The composition ... | 05/01/2007 |
| 7208037 | Molding compound, use thereof and a method for producing an oxide-ceramic sintered body The invention proposes to produce a mixture that is shrink-resistant, or has a freely selectable degree of shrinkage, and can be used as a molding compound, and a method for producing a corresponding oxide-ceramic sintered body. The molding compound comprises an int... | 04/24/2007 |
| 7204876 | Calcium phosphate cements made from (TTCP) with surface whiskers and process for preparing same A tetracalcium phosphate (TTCP) particle for use in preparing a fast-setting, bioresorbable calcium phosphate cement is disclosed. The TTCP particle has a basic calcium phosphate whiskers on a surface thereof; the basic calcium phosphate whiskers having a Ca/P molar... | 04/17/2007 |
| 7204874 | Root canal filling material An endodontic filling material comprising a biodegrable thermoplastic polymer. A bioactive substance may also be included in the filling material. The thermoplastic polymer acts as a matrix for the bioactive substance. The composition may include other polymeric res... | 04/17/2007 |
| 7204875 | Dental filling material An dental filling material comprising a thermoplastic polymer. The thermoplastic polymer may be biodegradable. A bioactive substance may also be included in the filling material. The thermoplastic polymer acts as a matrix for the bioactive substance. The composition... | 04/17/2007 |
| 7201797 | Process for affecting the setting and working time of, bioresorbable calcium phosphate cements A fast-setting, bioresorbable calcium phosphate cement is prepared by a process which can be carried out with a heat treatment up to 1000° C. on a mixture of a wetting solution and a calcium phosphate powder having a Ca to P molar ratio of 0.5–2.5. The wetting so... | 04/10/2007 |
| 7201885 | Method of removing heavy metals from silicate sources during silicate manufacturing Methods for the removal of lead from a metal silicate during the process of manufacturing of such a material are provided. With the reliance upon lower cost starting silicon dioxide starting materials that are known to exhibit elevated amounts of heavy metal therein... | 04/10/2007 |
| 7192573 | Mouth rinse with enhanced oxygenating activity There are provided oral mouth rinse compositions, consisting essentially of: a) 1–20 wt % of an orally acceptable peroxide, b) 0.5–15 wt % of an orally acceptable sulfate, bisulfate, pyrosulfate salt of an inorganic cation or mixtures thereof, and c) water to 10... | 03/20/2007 |
| 7192602 | Water-insoluble, antimicrobial silicate glass and use thereof The invention relates to an antimicrobial silicate glass with the following weight composition in wt. % based on oxides: SiO2 20 to 70, Na2O 5 to 30, K2O 0 to 5, P2O5 1 to 15, B2O3 0 to 10,... | 03/20/2007 |
| 7189392 | Injectable carrier formulations of hyaluronic acid derivatives for delivery of osteogenic proteins An injectable formulation is disclosed for delivery of osteogenic proteins. The formulation comprises a pharmaceutically acceptable admixture of an osteogenic protein; and formulations comprising osteogenic protein, hyaluronic acid derivatives and tricalcium phospha... | 03/13/2007 |
| 7189263 | Biocompatible bone graft material Biocompatible bone graft material having a biocompatible, resorbable polymer and a biocompatible, resorbable inorganic material exhibiting macro, meso, and microporosities. ... | 03/13/2007 |
