Patents by Inventor Thomas L. Maggio
Thomas L. Maggio 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: 10240034Abstract: The present invention relates to a silicone acrylamide copolymer of high acrylamide monomer content which has transparency and low modulus, employing the following configuration. The copolymer is suitably used for various kinds of medical devices, particularly ophthalmic lenses such as a contact lens, an intraocular lens, an artificial cornea, and is especially suitable for a contact lens. A copolymer comprising (A) a multi-functional (meth)acrylamide monomer having at least one siloxane bond and at least two (meth)acrylamide groups within a molecule and (B) a mono-functional linear silicone (meth)acrylamide monomer.Type: GrantFiled: July 24, 2017Date of Patent: March 26, 2019Assignee: Johnson & Johnson Vision Care, Inc.Inventors: Ryuta Tamiya, Kazuhiko Fujisawa, Masataka Nakamura, Thomas L. Maggio, Michelle Carman Turnage, Michael R. Clark
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Publication number: 20170321051Abstract: The present invention relates to a silicone acrylamide copolymer of high acrylamide monomer content which has transparency and low modulus, employing the following configuration. The copolymer is suitably used for various kinds of medical devices, particularly ophthalmic lenses such as a contact lens, an intraocular lens, an artificial cornea, and is especially suitable for a contact lens. A copolymer comprising (A) a multi-functional (meth)acrylamide monomer having at least one siloxane bond and at least two (meth)acrylamide groups within a molecule and (B) a mono-functional linear silicone (meth)acrylamide monomer.Type: ApplicationFiled: July 24, 2017Publication date: November 9, 2017Inventors: Ryuta Tamiya, Kazuhiko Fujisawa, Masataka Nakamura, Thomas L. Maggio, Michelle Carman Turnage, Michael R. Clark
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Patent number: 9745460Abstract: The present invention relates to a silicone acrylamide copolymer of high acrylamide monomer content which has transparency and low modulus, employing the following configuration. The copolymer is suitably used for various kinds of medical devices, particularly ophthalmic lenses such as a contact lens, an intraocular lens, an artificial cornea, and is especially suitable for a contact lens. A copolymer comprising (A) a multi-functional (meth)acrylamide monomer having at least one siloxane bond and at least two (meth)acrylamide groups within a molecule and (B) a mono-functional linear silicone (meth)acrylamide monomer.Type: GrantFiled: March 27, 2015Date of Patent: August 29, 2017Assignee: Johnson & Johnson Vision Care, Inc.Inventors: Ryuta Tamiya, Kazuhiko Fujisawa, Masataka Nakamura, Thomas L. Maggio, Michelle Carman Turnage, Michael R. Clark
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Patent number: 9459377Abstract: The present invention relates to a polymers and hydrogels comprising a sulfonic acid component formed from reactive components comprising (i) at least one hydrophobic monomer and (ii) at least one sulfonic acid-containing component, wherein the sulfonic acid-containing component is comprised of a salt formed by a non-polymerizable, hydrophilic base and a polymerizable sulfonic acid. One or more embodiments provide that the at least one hydrophobic monomer comprises a silicone component.Type: GrantFiled: January 15, 2014Date of Patent: October 4, 2016Assignee: Johnson & Johnson Vision Care, Inc.Inventors: Shivkumar Mahadevan, Thomas L. Maggio, Brent Matthew Healy, Leilani K. Sonoda, Michelle Carman Turnage, Hemantkumar Vashi
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Publication number: 20150274854Abstract: The present invention relates to a silicone acrylamide copolymer of high acrylamide monomer content which has transparency and low modulus, employing the following configuration. The copolymer is suitably used for various kinds of medical devices, particularly ophthalmic lenses such as a contact lens, an intraocular lens, an artificial cornea, and is especially suitable for a contact lens. A copolymer comprising (A) a multi-functional (meth)acrylamide monomer having at least one siloxane bond and at least two (meth)acrylamide groups within a molecule and (B) a mono-functional linear silicone (meth)acrylamide monomer.Type: ApplicationFiled: March 27, 2015Publication date: October 1, 2015Inventors: Ryuta Tamiya, Kazuhiko Fujisawa, Masataka Nakamura, Thomas L. Maggio, Michelle Carman Turnage, Michael R. Clark
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Publication number: 20150274855Abstract: The present invention relates to copolymers obtained by polymerizing a mono-functional silicone (meth)acrylamide monomer with a non-silicon containing, multi-functional (meth)acrylamide monomer having at least two (meth)acrylamide groups in a molecule. The shortest chain length of an organic group connecting any two (meth)acrylamide groups in the multi-functional (meth)acrylamide monomer is: i) 4 to 20 carbon atoms when every nitrogen atom of the (meth)acrylamide groups has at least one hydrogen atom directly bonded to the nitrogen atom; or ii) 1 to 20 carbon atoms when at least one nitrogen atom of any (meth)acrylamide groups has no hydrogen atom directly bonded to it.Type: ApplicationFiled: March 27, 2015Publication date: October 1, 2015Inventors: Ryuta Tamiya, Kazuhiko Fujisawa, Masataka Nakamura, Thomas L. Maggio, Michelle Carman Turnage, Michael R. Clark
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Patent number: 9125808Abstract: The present invention relates to ionic silicone hydrogel contact lenses which comprise at least one pharmaceutical or nutriceutical component and are formed from reaction mixtures comprising a mixture of slow-reacting hydrophilic monomers, including at least one slow-reacting ionic monomer, at least one silicone-containing component and at least one hydroxyl-containing component, wherein the ratio of the slow-reacting hydrophilic component half lives to the silicone-containing component half life is at least 2.Type: GrantFiled: March 14, 2013Date of Patent: September 8, 2015Assignee: Johnson & Johnson Vision Care, Inc.Inventors: Azaam Alli, James D. Ford, Douglas G. Vanderlaan, Scott L. Joslin, Shivkumar Mahadevan, Thomas L. Maggio, Ranganath Raja, Sharmila Muthukrishnan, C. Surendran, R. Sridharan
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Patent number: 9101667Abstract: The present invention relates to ionic silicone hydrogel polymers displaying improved thermal stability. More specifically, the present invention relates to a polymer formed from reactive components comprising at least one silicone component and at least one ionic component comprising at least one anionic group. The polymers of the present invention display good thermal stability and desirable protein uptake.Type: GrantFiled: July 18, 2014Date of Patent: August 11, 2015Assignee: Johnson & Johnson Vision Care, Inc.Inventors: Ranganath Raja, Sharmila Muthukrishnan, C. Surendran, R. Sridharan, Shivkumar Mahadevan, Thomas L. Maggio, Azaam Alli, Scott L. Joslin
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Publication number: 20150198744Abstract: The present invention relates to a polymers and hydrogels comprising a sulfonic acid component formed from reactive components comprising (i) at least one hydrophobic monomer and (ii) at least one sulfonic acid-containing component, wherein the sulfonic acid-containing component is comprised of a salt formed by a non-polymerizable, hydrophilic base and a polymerizable sulfonic acid. One or more embodiments provide that the at least one hydrophobic monomer comprises a silicone component.Type: ApplicationFiled: January 15, 2014Publication date: July 16, 2015Applicant: JOHNSON & JOHNSON VISION CARE, INC.Inventors: Shivkumar Mahadevan, Thomas L. Maggio, Brent Matthew Healy, Leilani K. Sonoda, Michelle Carman Turnage, Hemantkumar Vashi
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Publication number: 20140329859Abstract: The present invention relates to ionic silicone hydrogel polymers displaying improved thermal stability. More specifically, the present invention relates to a polymer formed from reactive components comprising at least one silicone component and at least one ionic component comprising at least one anionic group. The polymers of the present invention display good thermal stability and desirable protein uptake.Type: ApplicationFiled: July 18, 2014Publication date: November 6, 2014Inventors: Ranganath Raja, Sharmila Muthukrishnan, C. Surendran, R. Sridhara, Shivkumar Mahadevan, Thomas L. Maggio, Azaam Alli, Scott L. Joslin
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Patent number: 8710167Abstract: The present invention provides transparent silicone hydrogels with high acrylamide monomer content and an excellent balance between moisture content. The silicone hydrogels may be obtained by polymerizing a monomer mix containing a plurality of monomers, wherein the monomer mix comprises about 30 to about 98% by weight of at least one type of silicone monomer which is, and about 1 to about 50% by weight of at least one type of non-silicone type (meth)acrylamide monomer containing two or more hydroxyl groups within a molecule; wherein the weight percents are based upon the total amount of monomer components and polymer components in the monomer mix.Type: GrantFiled: May 31, 2013Date of Patent: April 29, 2014Assignee: Johnson & Johnson Vision Care, Inc.Inventors: Thomas L. Maggio, Michelle Carman-Turnage, Kazuhiko Fujisawa, Masataka Nakamura
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Patent number: 8623934Abstract: The present invention relates to a silicone (meth)acrylamide monomer, and this silicone (meth)acrylamide monomer is particularly suitable for use in contact lenses, intraocular lenses, artificial cornea, and the like.Type: GrantFiled: February 27, 2013Date of Patent: January 7, 2014Assignee: Johnson & Johnson Vision Care, Inc.Inventors: Thomas L. Maggio, Michelle Carman Turnage, Michael R. Clark, Kazuhiko Fujisawa, Masataka Nakamura
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Publication number: 20130260066Abstract: The present invention provides transparent silicone hydrogels with high acrylamide monomer content and an excellent balance between moisture content. The silicone hydrogels may be obtained by polymerizing a monomer mix containing a plurality of monomers, wherein the monomer mix comprises about 30 to about 98% by weight of at least one type of silicone monomer which is, and about 1 to about 50% by weight of at least one type of non-silicone type (meth)acrylamide monomer containing two or more hydroxyl groups within a molecule; wherein the weight percents are based upon the total amount of monomer components and polymer components in the monomer mix.Type: ApplicationFiled: May 31, 2013Publication date: October 3, 2013Inventors: Thomas L. Maggio, Michelle Carman-Turnage, Kazuhiko Fujisawa, Masataka Nakamura
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Patent number: 8541483Abstract: The present invention relates to a silicone (meth)acrylamide monomer, and this silicone (meth)acrylamide monomer is particularly suitable for use in contact lenses, intraocular lenses, artificial cornea, and the like.Type: GrantFiled: February 27, 2013Date of Patent: September 24, 2013Assignee: Johnson & Johnson Vision Care, Inc.Inventors: Thomas L. Maggio, Michell Carman Turnage, Michael R. Clark, Kazuhiko Fujisawa, Masataka Nakamura
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Patent number: 8476389Abstract: The present invention provides transparent silicone hydrogels with high acrylamide monomer content and an excellent balance between moisture content. The silicone hydrogels may be obtained by polymerizing a monomer mix containing a plurality of monomers, wherein the monomer mix comprises about 30 to about 98% by weight of at least one type of silicone monomer which is, and about 1 to about 50% by weight of at least one type of non-silicone type (meth)acrylamide monomer containing two or more hydroxyl groups within a molecule; wherein the weight percents are based upon the total amount of monomer components and polymer components in the monomer mix.Type: GrantFiled: March 15, 2011Date of Patent: July 2, 2013Assignee: Johnson & Johnson Vision Care, Inc.Inventors: Thomas L. Maggio, Michelle Carman Turnage, Kazuhiko Fujisawa, Masataka Nakamura
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Patent number: 8415405Abstract: The present invention relates to a silicone (meth)acrylamide monomer, and this silicone (meth)acrylamide monomer is particularly suitable for use in contact lenses, intraocular lenses, artificial cornea, and the like.Type: GrantFiled: March 15, 2011Date of Patent: April 9, 2013Assignee: Johnson & Johnson Vision Care, Inc.Inventors: Thomas L. Maggio, Michelle Carman Turnage, Michael R. Clark, Kazuhiko Fujisawa, Masataka Nakamura
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Publication number: 20110237766Abstract: The present invention relates to a silicone (meth)acrylamide monomer, and this silicone (meth)acrylamide monomer is particularly suitable for use in contact lenses, intraocular lenses, artificial cornea, and the like.Type: ApplicationFiled: March 15, 2011Publication date: September 29, 2011Inventors: Thomas L. Maggio, Michelle Carman Turnage, Michael R. Clark, Kazuhiko Fujisawa, Masataka Nakamura
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Publication number: 20110230589Abstract: The present invention provides transparent silicone hydrogels with high acrylamide monomer content and an excellent balance between moisture content. The silicone hydrogels may be obtained by polymerizing a monomer mix containing a plurality of monomers, wherein the monomer mix comprises about 30 to about 98% by weight of at least one type of silicone monomer which is, and about 1 to about 50% by weight of at least one type of non-silicone type (meth)acrylamide monomer containing two or more hydroxyl groups within a molecule; wherein the weight percents are based upon the total amount of monomer components and polymer components in the monomer mix.Type: ApplicationFiled: March 15, 2011Publication date: September 22, 2011Inventors: Thomas L. Maggio, Michelle Carman Turnage, Kazuhiko Fujisawa, Masataka Nakamura
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Publication number: 20090295004Abstract: The present invention relates to silicone hydrogel contact lenses formed from a reactive mixture comprising at least one silicone containing compound and a protein uptake reducing amount of at least protein uptake reducing compound.Type: ApplicationFiled: June 2, 2008Publication date: December 3, 2009Inventors: Jeremy B. Pinsly, Jonathan P. Adams, Amit Khanolkar, Diana Zanini, Zohra Fadli, Michael R. Clark, David C. Turner, James D. Ford, Thomas L. Maggio