Patents by Inventor Christos Angeletakis
Christos Angeletakis has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 12011335Abstract: A light curing impression system comprising a light emitting tray that precisely distributes an optimal amount of curing light energy to internal, external and extra oral portions of the dental arch to cure impression material. The light curing impression system generally includes an LED light source, a light emitting impression tray, an activation module and impression material.Type: GrantFiled: January 25, 2018Date of Patent: June 18, 2024Assignee: DENTSPLY SIRONA INC.Inventors: Paul Pierson, Naim Karazivan, Christos Angeletakis, Thomas Ruth, William Kane, Joseph Gordon, Luke Hagan, David Copeland, Andrew Burke, Dustin Gaidos, Leonid Silverman, Kenneth Focht
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Patent number: 11844663Abstract: A light curing dental system comprising a light emitting tray that precisely distributes an optimal amount of curing light energy to internal, external and extra oral portions of the dental arch to cure a dental material. The light curing dental system generally includes a light source, a light emitting dental tray, an activation module and a photocurable dental material.Type: GrantFiled: September 16, 2021Date of Patent: December 19, 2023Assignee: DENTSPLY SIRONA INC.Inventors: Thomas Ruth, William Kane, Joseph Gordon, Luke Hagan, David Copeland, Andrew Burke, Dustin Gaidos, Christos Angeletakis
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Patent number: 11813141Abstract: A light curing dental system comprising a light emitting tray that precisely distributes an optimal amount of curing light energy to internal, external and extra oral portions of the dental arch to cure a dental material. The light curing dental system generally includes a light source, a light emitting dental tray, an activation module and a photocurable dental material.Type: GrantFiled: January 25, 2018Date of Patent: November 14, 2023Assignee: DENTSPLY SIRONA INC.Inventors: Naim Karazivan, Paul Pierson, Christos Angeletakis
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Patent number: 11642304Abstract: Copolymers are formed of monomers of poly(dimethylsiloxane) and poly(alkylene oxide) of the following formula: Ax-XCH2CH2—[ByCz]n—X-Ax. In the formula, each X independently represents a —CH2— group or an oxygen atom, A represents a polydimethylsiloxane derivative, B represents a polyethylene glycol unit, C represents a polypropylene glycol unit, x and n independently represent an integer from 1 to 150, and y and z independently represent an integer from 0 to 150. The copolymers can be used as emulsifiers in personal care compositions.Type: GrantFiled: July 25, 2019Date of Patent: May 9, 2023Assignee: CORNELIUS GROUP PLCInventors: Thomas Guy Alabaster, Hannah Ruth Beasley-Suffolk, John Mark Bilney, Ella-Louise Ceraulo, John Ing Chuan Daly, Ian Stuart Pearce, Elizabeth Joan Smith, Robert Liam Smith, Christos Angeletakis, Yingfa Li
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Publication number: 20220000590Abstract: A light curing dental system comprising a light emitting tray that precisely distributes an optimal amount of curing light energy to internal, external and extra oral portions of the dental arch to cure a dental material. The light curing dental system generally includes a light source, a light emitting dental tray, an activation module and a photocurable dental material.Type: ApplicationFiled: September 16, 2021Publication date: January 6, 2022Applicant: DENTSPLY SIRONA Inc.Inventors: Thomas Ruth, William Kane, Joseph Gordon, Luke Hagan, David Copeland, Andrew Burke, Dustin Gaidos, Christos Angeletakis
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Patent number: 11154463Abstract: The present disclosure generally relates to a curable one part silicone composition. The curable one part silicone composition includes an organopolysiloxane compound having at least two unsaturated groups; an organohydrogenpolysiloxane compound having at least two Si—H groups; a catalyst for enabling the addition of the hydrogen atoms bonded to the silicone to the unsaturated group; and at least one surface treated particulate filler. The curable one part silicone composition is useful as a dental impression material. More particularly, the curable one part silicone composition including the surface treated filler extends storage stability of the dental impression material. The disclosure also provides methods of preparing such curable one part silicone composition.Type: GrantFiled: March 29, 2019Date of Patent: October 26, 2021Assignee: DENTSPLY SIRONA INC.Inventor: Christos Angeletakis
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Patent number: 11110039Abstract: A light-curable dental impression material comprising (a) a polymerizable polysiloxane resin composition comprising compounds of formula (I) E-(L1-Z)n-L2-E ??(I) (b) a particulate filler; and (c) a photoinitiator.Type: GrantFiled: May 17, 2019Date of Patent: September 7, 2021Assignee: DENTSPLY SIRONA Inc.Inventors: Xiaoming Jin, Christos Angeletakis, Yi Liu, Joachim E. Klee, Christoph Weber, Xin Huo
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Publication number: 20210186851Abstract: Copolymers are formed of monomers of poly(dimethylsiloxane) and poly(alkylene oxide) of the following formula: Ax-XCH2CH2—[ByCz]n—X-Ax. In the formula, each X independently represents a —CH2— group or an oxygen atom, A represents a polydimethylsiloxane derivative, B represents a polyethylene glycol unit, C represents a polypropylene glycol unit, x and n independently represent an integer from 1 to 150, and y and z independently represent an integer from 0 to 150. The copolymers can be used as emulsifiers in personal care compositions.Type: ApplicationFiled: July 25, 2019Publication date: June 24, 2021Inventors: Thomas Guy ALABASTER, Hannah Ruth BEASLEY-SUFFOLK, John Mark BILNEY, Ella-Louise CERAULO, John Ing Chuan DALY, Ian Stuart PEARCE, Elizabeth Joan SMITH, Robert Liam SMITH, Christos ANGELETAKIS
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Patent number: 10905634Abstract: Disclosed herein is a dental impression material that includes a two part addition curing silicone composition. The disclosed impression material contains a surfactant system composed of a fluorosurfactant and a fatty alcohol ethoxylate. The impression material disclosed herein exhibits improved storage stability than known systems using fluorosurfactants and silicone ether compounds.Type: GrantFiled: April 19, 2019Date of Patent: February 2, 2021Assignee: DENTSPLY SIRONA INC.Inventor: Christos Angeletakis
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Publication number: 20190350817Abstract: A light-curable dental impression material comprising (a) a polymerizable polysiloxane resin composition comprising compounds of formula (I) E-(L1-Z)n-L2-E ??(I) (b) a particulate filler; and (c) a photoinitiator.Type: ApplicationFiled: May 17, 2019Publication date: November 21, 2019Applicant: DENTSPLY SIRONA Inc.Inventors: Xiaoming JIN, Christos Angeletakis, Yi Liu, Joachim E. Klee, Christoph Weber, Xin Huo
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Publication number: 20190298622Abstract: The present disclosure generally relates to a curable one part silicone composition. The curable one part silicone composition includes an organopolysiloxane compound having at least two unsaturated groups; an organohydrogenpolysiloxane compound having at least two Si—H groups; a catalyst for enabling the addition of the hydrogen atoms bonded to the silicone to the unsaturated group; and at least one surface treated particulate filler. The curable one part silicone composition is useful as a dental impression material. More particularly, the curable one part silicone composition including the surface treated filler extends storage stability of the dental impression material. The disclosure also provides methods of preparing such curable one part silicone composition.Type: ApplicationFiled: March 29, 2019Publication date: October 3, 2019Applicant: DENTSPLY SIRONA Inc.Inventor: Christos ANGELETAKIS
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Publication number: 20190240118Abstract: Disclosed herein is a dental impression material that includes a two part addition curing silicone composition. The disclosed impression material contains a surfactant system composed of a fluorosurfactant and a fatty alcohol ethoxylate. The impression material disclosed herein exhibits improved storage stability than known systems using fluorosurfactants and silicone ether compounds.Type: ApplicationFiled: April 19, 2019Publication date: August 8, 2019Applicant: DENTSPLY SIRONA Inc.Inventor: Christos ANGELETAKIS
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Patent number: 10307345Abstract: Disclosed herein is a dental impression material that includes a two part addition curing silicone composition. The disclosed impression material contains a surfactant system composed of a fluorosurfactant and a fatty alcohol ethoxylate. The impression material disclosed herein exhibits improved storage stability than known systems using fluorosurfactants and silicone ether compounds.Type: GrantFiled: November 2, 2016Date of Patent: June 4, 2019Assignee: DENTSPLY SIRONA Inc.Inventor: Christos Angeletakis
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Publication number: 20180206957Abstract: A light curing dental system comprising a light emitting tray that precisely distributes an optimal amount of curing light energy to internal, external and extra oral portions of the dental arch to cure a dental material. The light curing dental system generally includes a light source, a light emitting dental tray, an activation module and a photocurable dental material.Type: ApplicationFiled: January 25, 2018Publication date: July 26, 2018Applicant: DENTSPLY SIRONA Inc.Inventors: Thomas Ruth, William Kane, Joseph Gordon, Luke Hagan, David Copeland, Andrew Burke, Dustin Gaidos, Christos Angeletakis
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Publication number: 20180206955Abstract: A light curing dental system comprising a light emitting tray that precisely distributes an optimal amount of curing light energy to internal, external and extra oral portions of the dental arch to cure a dental material. The light curing dental system generally includes a light source, a light emitting dental tray, an activation module and a photocurable dental material.Type: ApplicationFiled: January 25, 2018Publication date: July 26, 2018Applicant: DENTSPLY SIRONA Inc.Inventors: Naim Karazivan, Paul Pierson, Christos Angeletakis
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Publication number: 20180206956Abstract: A light curing impression system comprising a light emitting tray that precisely distributes an optimal amount of curing light energy to internal, external and extra oral portions of the dental arch to cure impression material. The light curing impression system generally includes an LED light source, a light emitting impression tray, an activation module and impression material.Type: ApplicationFiled: January 25, 2018Publication date: July 26, 2018Applicant: DENTSPLY SIRONA Inc.Inventors: Paul Pierson, Naim Karazivan, Christos Angeletakis, Thomas Ruth, William Kane, Joseph Gordon, Luke Hagan, David Copeland, Andrew Burke, Dustin Gaidos, Leonid Silverman, Kenneth Focht
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Publication number: 20180206947Abstract: A light curing dental system comprising a light emitting tray that precisely distributes an optimal amount of curing light energy to internal, external and extra oral portions of the dental arch to cure a dental material. The light curing dental system generally includes a light source, a light emitting dental tray, an activation module and a photocurable dental material.Type: ApplicationFiled: January 25, 2018Publication date: July 26, 2018Applicant: DENTSPLY SIRONA Inc.Inventors: Paul Pierson, Naim Karazivan, Christos Angeletakis, Dustin Gaidos, Leonid Silverman, Xin HUO
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Publication number: 20170296443Abstract: Disclosed herein is a dental impression material that includes a two part addition curing silicone composition. The disclosed impression material contains a surfactant system composed of a fluorosurfactant and a fatty alcohol ethoxylate. The impression material disclosed herein exhibits improved storage stability than known systems using fluorosurfactants and silicone ether compounds.Type: ApplicationFiled: November 2, 2016Publication date: October 19, 2017Applicant: DENTSPLY SIRONA Inc.Inventor: Christos ANGELETAKIS
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Patent number: 9044288Abstract: Disclosed herein is a two part retraction system that can be inserted into the sulcus to form a semi-rigid porous elastomer releasing a hemostatic agent suitable for sulcus retraction such that a dental impression may be completed by a dental practitioner.Type: GrantFiled: December 19, 2013Date of Patent: June 2, 2015Assignee: DENTSPLY International Inc.Inventor: Christos Angeletakis
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Publication number: 20140227665Abstract: Disclosed herein are methods of treating an intraoral surface by applying a solution comprising a proteinaceous material and an aldehyde.Type: ApplicationFiled: February 12, 2014Publication date: August 14, 2014Applicant: DENTSPLY International Inc.Inventor: Christos ANGELETAKIS