...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 8183305 | Radiopaque infiltrant The invention provides an infiltrant for dental application that comprises crosslinking monomers, having a penetration coefficient PC>50 cm/s. In accordance with the invention the infiltrant comprises at least one nanoscale radiopaque filler and/or radiopaque organi... | 05/22/2012 |
| 8129446 | Radical polymerizable macrocyclic resin compositions with low polymerization stress A composition of macrocyclic oligomer with at least one (meth)acrylate polymerizable group. A method includes preparing an activated precursor of an oligomer at pseudo high-dilution conditions. A method also includes preparing an activated precursor of an oligomer b... | 03/06/2012 |
| 8129444 | Self-adhesive dental materials The invention relates to a composition which is self-adhesive to the hard tooth tissue, comprising: (A) 5 to 75 percent by weight of one or more mono or higher functional ethylenically unsaturated compounds which additionally have an acid functional group, wherein o... | 03/06/2012 |
| 8129445 | Moisture activated latent curing adhesive or sealant The invention relates to a novel poly(ethylene oxide)imine; a novel amine reactive moiety; a novel moisture activated latent curing adhesive or sealant mixture comprising (1) a ketimine or aldimine, and (2) an amine reactive moiety; and a novel moisture activated la... | 03/06/2012 |
| 8076388 | Self-setting polymeric cyanoacrylate composites Self-setting, absorbable bioactive polycyanoacrylate-based composites include at least one inorganic phosphate salt or a combination of at least one inorganic phosphate salt and calcium silicate in a cyanoacrylate matrix. The composites can be reinforced with single... | 12/13/2011 |
| 8067481 | Low shrinkage dental material and method The invention provides a low polymerization shrinkage dental composition and a polymerizable dental material selected from the group consisting of wax-like dental material that undergoes ring open polymerization. The dental composition is useful as restorative mater... | 11/29/2011 |
| 8034850 | Self-setting absorbable composites and applications thereof Self-setting, bioactive, absorbable composites are derived from inorganic phosphate microparticles and a cyanoacrylate matrix of a methoxypropyl cyanoacrylate at a weight to volume ratio of at least 20/80 of microparticles/matrix. The self-setting composites are cap... | 10/11/2011 |
| 8030370 | Sequentially cross-linked polyethylene A method of producing an improved polyethylene, especially an ultra-high molecular weight polyethylene utilizes a sequential irradiation and annealing process to form a highly cross-linked polyethylene material. The use of sequential irradiation followed by sequenti... | 10/04/2011 |
| 8026295 | Dental composition with improved light stability Dental composition having an improved light and thermal stability, including a mixture of at least a polymerizable resin, at least a polymerizable monomer, at least a polymerization initiator and/or a sensitizer and stabilizer, and at least an organic and/or inorgan... | 09/27/2011 |
| 7989519 | Initiator system for self-curing plastic materials, its use, and bone cement compositions containing it An initiator system for self-curing plastic material comprises a) at least one salt of a dialklylbarbituric acid and/or an alkylcycloalkylbarbituric acid and/or alkylarylbarbituric acid and/or a cycloalkylarylbarbituric acid that is insoluble in methacrylate monomer... | 08/02/2011 |
| 7956100 | Implantable medical devices fabricated from block copolymers Medical devices, such as stents, fabricated at least in part from a polymer composite including a biodegradable elastomeric phase dispersed within a biodegradable polymeric matrix are disclosed. The composite is composed of a block copolymer including an elastomeric... | 06/07/2011 |
| 7919542 | Phase separated, branched, copolymer hydrogel The present invention provides a hydrogel composition comprising a mixture of a hydrophilic polymer and a polymer chain modifying agent, wherein the polymer chain modifying agent is selected from the group consisting of an aromatic tetracarboxylic dianhydride, a tit... | 04/05/2011 |
| 7893130 | Photocurable dental composition Dental compositions are described which are photocurable by radiation with a wavelength greater than 390 nm. The compositions include a cationically active compound, a dental filler, optionally a dispersant, a cationic photoinitiator and a photosensitizer which is a... | 02/22/2011 |
| 7851515 | Hydrolysis-stable self-etching single-component dental adhesive Dental composition containing (i) at least one acid (meth)acrylamide monomer which has two or more polymerizable groups, (ii) at least one acid monomer which has only one polymerizable group and (iii) at least one polymerization initiator. ... | 12/14/2010 |
| 7700667 | Dental resin composition, method of manufacture, and method of use thereof A composition is disclosed comprising a polymerizable (meth)acrylate of the structure: wherein A is an anhydride; a is 0 or 1; n is 0, 1, 2, or 3; R1, R2, R3, and R4 are each inde... | 04/20/2010 |
| 7691919 | Dental materials based on ROMP composites The invention relates to compositions, polymerizable by ring-opening metathesis, which contain (a) at least one monomer and/or oligomer which is polymerizable by ring-opening metathesis polymerization, (b) at least one filler and (c) at least one initiator for the r... | 04/06/2010 |
| 7687553 | Method for treating bone cancer pain or chemotherapy induced pain The present invention is directed to the use of a class of peptide compounds for treating tumor pain, in particular bone cancer pain, for treating chemotherapy-induced pain and for treating nucleoside-induced pain. ... | 03/30/2010 |
| 7649028 | Interim dental dressing and restorative material The invention relates to a temporary dental formulation useful as a durable, temporary restorative. The formulation changes color during mixing to assist the operator in ensuring adequacy of mixing and enhancing visualization during placement. ... | 01/19/2010 |
| 7589133 | Stabilizers for polymerizable biocompatible materials The present invention provides polymerizable biocompatible materials stabilized by amino acids or reducing salts to improve shelf life. Methods of stabilizing a polymerizable biocompatible material that inhibit auto polymerization of the material over time are also ... | 09/15/2009 |
| 7576144 | Dental compositions containing carbosilane monomers Carbosilane monomers that include the following structural features: at least two Si-arylene bonds; at least one (meth)acrylate moiety; no Si—O bonds; and preferably at least two silicon atoms. ... | 08/18/2009 |
| 7569621 | Dyed polymethyl methacrylate bone cement and process for its production A dyed polymethyl methacrylate bone cement is described which is characterized by at least the surface of the polymer particles of the powder component being coated partially or completely with a mixture of one or several dyes and a hydrophobic, low molecular or oli... | 08/04/2009 |
| 7495037 | Dental coating materials Polymerizable materials which contain (1) 1 to 80 wt.-% of at least one polysiloxane, (2) 0.1 to 5 wt.-% of one or more initiators for radical polymerization, (3) 0 to 60 wt.-% of radically polymerizable monomer and (4) 1 to 50 wt.-% of one or more radically polymer... | 02/24/2009 |
| 7485673 | Method of infiltrating enamel lesions The present invention refers to a method of infiltrating enamel, in particular for the prevention and/or treatment of carious lesions. Said method of infiltrating enamel comprises the steps of (a) exposing an enamel area to be infiltrated to a conditioner comprising... | 02/03/2009 |
| 7476697 | Tooth coating composition A film forming composition for coating teeth which is a mixture of about 0.5% to about 30% by weight of a film forming polymer; about 10% to about 99.5% by weight of solvent; about 0.05% to about 40% by weight of a rheology modifier; about 0.01% to about 5% by weigh... | 01/13/2009 |
| 7449498 | Composite materials for bone defect filling and bone replacement The present invention relates to composite materials for bone replacement comprising organic and inorganic material, more particularly to composite materials for bone replacement wherein cyanoacrylate as organic material and osteo-conductive inorganic material as in... | 11/11/2008 |
| 7435372 | Liquid bath annealing of polymers for orthopaedic implants A method is provided for annealing a polymer for an orthopaedic implant by immersing the polymer in a liquid bath. ... | 10/14/2008 |
| 7425587 | Flowable underfilling material A flowable, light-curing underfilling material that is easily visible and distinguishable from the tooth substance. The underfilling material contains at least one polymerizable monomer, at least one polymerization initiator and also ... | 09/16/2008 |
| 7417077 | Composition for an injectable bone mineral substitute material The invention refers to an injectable composition for a bone mineral substitute material, which comprises a dry powder mixed with an aqueous liquid. The powder comprises a first reaction component comprising a calcium sulphate hemihydrate with the capability of bein... | 08/26/2008 |
| 7396862 | Dental composite filler particles Dental composite filler materials comprise particles coated via an atomic layer deposition (ALD) process. The coating material has a different composition than the core particle. The difference in composition permits fine control over the refractive index of the coa... | 07/08/2008 |
| 7393883 | Filler for dental composite materials Ceramic filler compositions of customized shapes (FIGS. 1-30) according to the present invention, includes ceramic and glass-ceramic particles having a customized shape which provides mechanical locking within a resin matrix giving significantly imp... | 07/01/2008 |
| 7393493 | Crosslinkable polymeric materials and their applications The present invention relates to a novel composition for dental, orthopedic and drug delivery purpose. Specifically, it relates to composition comprising an admixture of a resorbable bone substitute and a crosslinkable prepolymer. It also relates to the composition ... | 07/01/2008 |
| 7377943 | Surface treated metallic implant and blasting material The invention relates to a metallic implant, which has vitreous-crystalline bioactive material on the surface thereof. According to the invention, a metallic implant base body arranged on the surface of the particles has a bioactive, vitreous-crystalline material co... | 05/27/2008 |
| 7371782 | Polymerizable composite material This invention relates to a polymerizable composite material and method of making same including at least one multifunctional acid containing monomer having a concentration ranging from about 10% to about 85%, a non-reactive filler having a concentration ranging fro... | 05/13/2008 |
| 7371466 | Polymerisation initiators, polymerisable compositions, and uses thereof for bonding low surface energy substrates Quaternary boron salts are used as initiators of polymerisation in adhesive compositions for bonding low surface energy substrates such as polyolefins. The quaternary boron salts are of the formula I wherein R1 i... | 05/13/2008 |
| 7368486 | Dental materials with high abrasion resistance Dental materials with high abrasion resistance and their use for producing artificial teeth and/or their enamel or cutting areas are described. The materials primarily contain: | 05/06/2008 |
| 7368524 | Cationically curing two component materials containing a noble metal catalyst The invention relates to two-component preparations comprising epoxy compounds and a noble metal species, in particular for the preparation of dental compositions. The invention particularly relates to two-component dental compositions which comprise epoxy compounds... | 05/06/2008 |
| 7365106 | Cationically curable composition for dental use A cationically curable composition for dental use containing a cationic polymerization initiator (I) and cationically polymerizable monomers (II), the cationically polymerizable monomers (II) containing an oxetane compound and an epoxy compound or an alkenyl ether c... | 04/29/2008 |
| 7361216 | Dental compositions containing nanofillers and related methods The present invention features ionomer compositions containing nanofillers. The compositions can be used in a variety of dental and orthodontic applications, for example, as adhesives, cements, restoratives, coatings and sealants. ... | 04/22/2008 |
| 7361697 | Prosthesis material Prosthesis material having improved stability during storage, reduced plaque affinity and improved polishing properties. ... | 04/22/2008 |
| 7351753 | Two-part self-adhering dental compositions A method of using a shelf-stable two-part self-adhering dental composition that comprises (a) at least one acidic compound containing at least one acidic moiety selected from the group consisting of | 04/01/2008 |