Patents by Inventor Joseph W. Hoff
Joseph W. Hoff 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: 11897985Abstract: A water extractable ophthalmic device is disclosed which is a polymerization product of a monomeric mixture comprising: (a) one or more cyclic lactams; (b) one or more non-bulky organosilicon-containing monomers; (c) one or more bulky siloxane monomers; and (d) a crosslinking agent mixture comprising (i) one or more first crosslinking agents containing at least two ethylenically unsaturated reactive end groups, wherein the at least two ethylenically unsaturated reactive end groups are (meth)acrylate-containing reactive end groups and (ii) one or more second crosslinking agents containing at least two ethylenically unsaturated reactive end groups wherein at least one of the ethylenically unsaturated reactive end groups is a non-(meth)acrylate reactive end group. The water extractable ophthalmic device has an equilibrium water content of at least about 50 wt. %, a contact angle of less than about 50°, and an oxygen permeability of at least about 60 Barrers.Type: GrantFiled: April 26, 2022Date of Patent: February 13, 2024Assignee: Bausch & Lomb IncorporatedInventors: Ivan M. Nuñez, Lynn Coullard, Analuz Mark, Andrew J. Hoteling, Joseph W. Hoff
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Patent number: 11751654Abstract: A contact lens package includes a first layer, a support coupled to the first layer, a lens, and a second layer. The support includes a scaffold and a porous member attached to the scaffold where the porous member includes a curved surface. The lens includes an anterior surface and a posterior surface, and the posterior surface of the lens is disposed on the curved surface of the porous member. The second layer is coupled to the first layer to seal the support and the lens between the first layer and the second layer.Type: GrantFiled: August 31, 2021Date of Patent: September 12, 2023Assignee: Bausch + Lomb Ireland LimitedInventors: Baxter J. Lansing, Arvind M. Rao, James Dibella, Joseph W. Hoff
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Publication number: 20230060534Abstract: A contact lens package includes a first layer, a support coupled to the first layer, a lens, and a second layer. The support includes a scaffold and a porous member attached to the scaffold where the porous member includes a curved surface. The lens includes an anterior surface and a posterior surface, and the posterior surface of the lens is disposed on the curved surface of the porous member. The second layer is coupled to the first layer to seal the support and the lens between the first layer and the second layer.Type: ApplicationFiled: August 31, 2021Publication date: March 2, 2023Inventors: Baxter J. LANSING, Arvind M. RAO, James DIBELLA, Joseph W. HOFF
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Publication number: 20220251269Abstract: A water extractable ophthalmic device is disclosed which is a polymerization product of a monomeric mixture comprising: (a) one or more cyclic lactams; (b) one or more non-bulky organosilicon-containing monomers; (c) one or more bulky siloxane monomers; and (d) a crosslinking agent mixture comprising (i) one or more first crosslinking agents containing at least two ethylenically unsaturated reactive end groups, wherein the at least two ethylenically unsaturated reactive end groups are (meth)acrylate-containing reactive end groups and (ii) one or more second crosslinking agents containing at least two ethylenically unsaturated reactive end groups wherein at least one of the ethylenically unsaturated reactive end groups is a non-(meth)acrylate reactive end group. The water extractable ophthalmic device has an equilibrium water content of at least about 50 wt. %, a contact angle of less than about 50°, and an oxygen permeability of at least about 60 Barrers.Type: ApplicationFiled: April 26, 2022Publication date: August 11, 2022Inventors: Ivan M. Nuñez, Lynn Coullard, Analuz Mark, Andrew J. Hoteling, Joseph W. Hoff
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Patent number: 11345773Abstract: A water extractable ophthalmic device is disclosed which is a polymerization product of a monomeric mixture comprising: (a) one or more cyclic lactams; (b) one or more non-bulky organosilicon-containing monomers; (c) one or more bulky siloxane monomers; and (d) a crosslinking agent mixture comprising (i) one or more first crosslinking agents containing at least two ethylenically unsaturated reactive end groups, wherein the at least two ethylenically unsaturated reactive end groups are (meth)acrylate-containing reactive end groups and (ii) one or more second crosslinking agents containing at least two ethylenically unsaturated reactive end groups wherein at least one of the ethylenically unsaturated reactive end groups is a non-(meth)acrylate reactive end group. The water extractable ophthalmic device has an equilibrium water content of at least about 50 wt. %, a contact angle of less than about 50°, and an oxygen permeability of at least about 60 Barrers.Type: GrantFiled: April 5, 2019Date of Patent: May 31, 2022Assignee: Bausch & Lomb IncorporatedInventors: Ivan M. Nuñez, Lynn Coullard, Analuz Mark, Andrew J. Hoteling, Joseph W. Hoff
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Patent number: 11022722Abstract: A water extractable ophthalmic device is disclosed which is a polymerization product of a monomeric mixture comprising: (a) one or more cyclic lactams; (b) one or more organosilicon-containing block copolymers; (c) one or more bulky siloxane monomers; and (d) a crosslinking agent mixture comprising (i) one or more first crosslinking agents containing at least two ethylenically unsaturated reactive end groups, wherein the at least two ethylenically unsaturated reactive end groups are (meth)acrylate-containing reactive end groups and (ii) one or more second crosslinking agents containing at least two ethylenically unsaturated reactive end groups wherein at least one of the ethylenically unsaturated reactive end groups is a non-(meth)acrylate reactive end group. The water extractable ophthalmic device has an equilibrium water content of at least about 50 wt. %, a contact angle of less than about 50°, and an oxygen permeability of at least about 60 Barrers.Type: GrantFiled: May 17, 2019Date of Patent: June 1, 2021Assignee: Bausch & Lomb IncorporatedInventors: Ivan M. Nuñez, Katie L. Poetz, Lynn Coullard, Alok Kumar Awasthi, Analuz Mark, Joseph W. Hoff, Andrew J. Hoteling
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Patent number: 10870731Abstract: A method is disclosed which involves the steps of (a) reacting a polysiloxane prepolymer having reactive functional end groups with a non-free radical polymerizable reactive end-capping agent; and (b) reacting the reaction product of step (a) with a free radical polymerizable reactive end-capping agent.Type: GrantFiled: January 14, 2019Date of Patent: December 22, 2020Assignee: Bausch & Lomb IncorporatedInventors: Ivan M. Nuñez, Katie L. Poetz, Andrew J. Hoteling, Joseph W. Hoff, Lynn Coullard, Analuz Mark, Keyla M. Cubi, Joseph A. McGee
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Patent number: 10816698Abstract: An ophthalmic device is disclosed which is a polymerization product of a monomeric mixture comprising: (a) a major amount of one or more first non-silicone-containing hydrophilic monomers; (b) one or more hydrophobic monomers; and (c) a crosslinking agent mixture comprising (i) one or more di-, tri- or tetra(meth)acrylate-containing crosslinking agents and (ii) one or more di-, tri- or tetracarbamate-containing crosslinking agents, wherein the ophthalmic device has an equilibrium water content of at least about 65 weight percent.Type: GrantFiled: August 10, 2018Date of Patent: October 27, 2020Assignee: Bausch & Lomb IncorporatedInventors: Ivan M. Nuñez, Katie L. Poetz, Joseph W. Hoff, Judith Chapman Morgan
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Publication number: 20200049857Abstract: An ophthalmic device is disclosed which is a polymerization product of a monomeric mixture comprising: (a) a major amount of one or more first non-silicone-containing hydrophilic monomers; (b) one or more hydrophobic monomers; and (c) a crosslinking agent mixture comprising (i) one or more di-, tri- or tetra(meth)acrylate-containing crosslinking agents and (ii) one or more di-, tri- or tetracarbamate-containing crosslinking agents, wherein the ophthalmic device has an equilibrium water content of at least about 65 weight percent.Type: ApplicationFiled: August 10, 2018Publication date: February 13, 2020Inventors: Ivan M. Nuñez, Katie L. Poetz, Joseph W. Hoff, Judith Chapman Morgan
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Publication number: 20200012015Abstract: A water extractable ophthalmic device is disclosed which is a polymerization product of a monomeric mixture comprising: (a) one or more cyclic lactams; (b) one or more organosilicon-containing block copolymers; (c) one or more bulky siloxane monomers; and (d) a crosslinking agent mixture comprising (i) one or more first crosslinking agents containing at least two ethylenically unsaturated reactive end groups, wherein the at least two ethylenically unsaturated reactive end groups are (meth)acrylate-containing reactive end groups and (ii) one or more second crosslinking agents containing at least two ethylenically unsaturated reactive end groups wherein at least one of the ethylenically unsaturated reactive end groups is a non-(meth)acrylate reactive end group. The water extractable ophthalmic device has an equilibrium water content of at least about 50 wt. %, a contact angle of less than about 50°, and an oxygen permeability of at least about 60 Barrers.Type: ApplicationFiled: May 17, 2019Publication date: January 9, 2020Inventors: Ivan M. Nuñez, Katie L. Poetz, Lynn Coullard, Alok Kumar Awasfhi, Analuz Mark, Joseph W. Hoff, Andrew J. Hoteling
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Publication number: 20190352443Abstract: A water extractable ophthalmic device is disclosed which is a polymerization product of a monomeric mixture comprising: (a) one or more cyclic lactams; (b) one or more non-bulky organosilicon-containing monomers; (c) one or more bulky siloxane monomers; and (d) a crosslinking agent mixture comprising (i) one or more first crosslinking agents containing at least two ethylenically unsaturated reactive end groups, wherein the at least two ethylenically unsaturated reactive end groups are (meth)acrylate-containing reactive end groups and (ii) one or more second crosslinking agents containing at least two ethylenically unsaturated reactive end groups wherein at least one of the ethylenically unsaturated reactive end groups is a non-(meth)acrylate reactive end group. The water extractable ophthalmic device has an equilibrium water content of at least about 50 wt. %, a contact angle of less than about 50°, and an oxygen permeability of at least about 60 Barrers.Type: ApplicationFiled: April 5, 2019Publication date: November 21, 2019Inventors: Ivan M. Nuñez, Lynn Coullard, Analuz Mark, Andrew J. Hoteling, Joseph W. Hoff
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Publication number: 20190233593Abstract: A method is disclosed which involves the steps of (a) reacting a polysiloxane prepolymer having reactive functional end groups with a non-free radical polymerizable reactive end-capping agent; and (b) reacting the reaction product of step (a) with a free radical polymerizable reactive end-capping agent.Type: ApplicationFiled: January 14, 2019Publication date: August 1, 2019Inventors: Ivan M. Nuñez, Katie L. Poetz, Andrew J. Hoteling, Joseph W. Hoff, Lynn Coullard, Analuz Mark, Keyla M. Cubi, Joseph A. McGee
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Patent number: 8668304Abstract: An inkjet printing system including an inkjet printer having a printhead and an inkjet ink in an ink tank supplying the inkjet ink to the printhead, wherein the ink tank includes a free ink compartment and a capillary media compartment vented to the atmosphere and in fluid communication with ink in the free ink compartment, and wherein the inkjet ink includes water, a self-dispersing carbon black pigment having greater than 11 weight % volatile surface functional groups, and a surfactant at a concentration of 0.10 weight percent or less, and having a static surface tension of 37.5 dynes/cm or less at 25° C. The system provides high print density and text sharpness when printed onto an ink receiving medium, and provides good performance in a bubbler-type ink tank which reduces the amount of ink trapped in the ink tank.Type: GrantFiled: August 31, 2012Date of Patent: March 11, 2014Assignee: Eastman Kodak CompanyInventors: Mark Edward Irving, Kurt Michael Schroeder, Joseph W. Hoff
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Publication number: 20140063113Abstract: An inkjet printing system including an inkjet printer having a printhead and an inkjet ink in an ink tank supplying the inkjet ink to the printhead, wherein the ink tank includes a free ink compartment and a capillary media compartment vented to the atmosphere and in fluid communication with ink in the free ink compartment, and wherein the inkjet ink includes water, a self-dispersing carbon black pigment having greater than 11 weight % volatile surface functional groups, and a surfactant at a concentration of 0.10 weight percent or less, and having a static surface tension of 37.5 dynes/cm or less at 25° C. The system provides high print density and text sharpness when printed onto an ink receiving medium, and provides good performance in a bubbler-type ink tank which reduces the amount of ink trapped in the ink tank.Type: ApplicationFiled: August 31, 2012Publication date: March 6, 2014Inventors: Mark Edward Irving, Kurt Michael Schroeder, Joseph W. Hoff
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Patent number: 8657426Abstract: An ink tank that is mountable to a printhead, the ink tank includes a tank body including a first wall including an ink outlet configured to supply ink to the printhead; a slider guide disposed on an exterior surface of the tank body, wherein the slider guide is proximate the first wall; and an ink reservoir including interior surfaces of the tank body; and a film that is adhered to a sealing area surrounding the ink outlet.Type: GrantFiled: January 27, 2012Date of Patent: February 25, 2014Assignee: Eastman Kodak CompanyInventor: Joseph W. Hoff
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Patent number: 8579425Abstract: An ink tank that is mountable to a printhead, the ink tank includes a wall including an ink outlet configured to supply ink to the printhead; a first film including a sealing portion that is adhered to a sealing area surrounding the ink outlet; and a second film adhered to the first film, the second film configured to capture ink residue when the first film is removed from the sealing area.Type: GrantFiled: January 27, 2012Date of Patent: November 12, 2013Assignee: Eastman Kodak CompanyInventor: Joseph W. Hoff
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Publication number: 20130286113Abstract: A seal includes a seal member; and a seal retainer having a housing for the seal member, the housing including a first thickness near a first end and a second thickness near a second end, wherein the first thickness does not equal the second thickness; a wall extending from the first end of the housing, the wall including a latch opening; a first hook on a first side of the seal retainer; and a second hook on a second side of the seal retainer, the second side being opposite the first side, wherein the first hook and second hook are disposed proximate the second end of the housing, and wherein a force applied to the seal member by the housing near the first end is equal to a force applied to the seal member by the housing near the second end when the seal is assembled onto the ink tank.Type: ApplicationFiled: April 30, 2012Publication date: October 31, 2013Inventors: Joseph W. Hoff, Douglas Harold Pearson, Steven Lee Moore, Michael Louis DeCecca, Kevin J. O'Leary
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Publication number: 20130194356Abstract: An ink tank that is mountable to a printhead, the ink tank includes a wall including an ink outlet configured to supply ink to the printhead; a first film including a sealing portion that is adhered to a sealing area surrounding the ink outlet; and a second film adhered to the first film, the second film configured to capture ink residue when the first film is removed from the sealing area.Type: ApplicationFiled: January 27, 2012Publication date: August 1, 2013Inventor: Joseph W. Hoff
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Publication number: 20130194355Abstract: An ink tank that is mountable to a printhead, the ink tank includes a tank body including a first wall including an ink outlet configured to supply ink to the printhead; a slider guide disposed on an exterior surface of the tank body, wherein the slider guide is proximate the first wall; and an ink reservoir including interior surfaces of the tank body; and a film that is adhered to a sealing area surrounding the ink outlet.Type: ApplicationFiled: January 27, 2012Publication date: August 1, 2013Inventor: JOSEPH W. HOFF
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Patent number: 8454137Abstract: An ink tank including a reservoir for holding ink, the reservoir including a flexible wall for adjusting an internal volume of the reservoir; a biasing element for applying a force to the flexible wall that tends to increase the internal volume of the reservoir; an ink supply port for delivering ink from the reservoir to a printhead; and a breather element, at least a portion of which is disposed inside the reservoir, including a capillary material in contact with ink in the reservoir, wherein the breather element is configured to allow air to enter the reservoir in response to an internal pressure of the reservoir being less than atmospheric pressure outside the ink tank by an amount that is related to a property of the biasing element and a capillary pressure of the breather element.Type: GrantFiled: December 21, 2010Date of Patent: June 4, 2013Assignee: Eastman Kodak CompanyInventors: Brian G. Price, James Edward Pickering, Joseph W. Hoff