Patents by Inventor James Anthony STEFATER, III
James Anthony STEFATER, III 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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Publication number: 20250064501Abstract: Disclosed herein is a method of alleviating symptoms of ocular surface discomfort, the method comprising: topically applying a cold slurry adjacent to a corneal limbus of an eye of a patient, wherein the cold slurry comprises water and a freezing point depressant, wherein the topical application of the cold slurry is configured to cause a degree of numbing of a cornea of the eye for a period of time, and wherein an ocular sensation of the eye is restored following the period of time.Type: ApplicationFiled: November 14, 2024Publication date: February 27, 2025Inventors: James Anthony STEFATER, III, Tomasz Pawel STRYJEWSKI, Sameer SABIR
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Publication number: 20250064500Abstract: Disclosed herein is a method of alleviating symptoms of ocular surface discomfort, the method comprising: topically applying a cold slurry adjacent to a corneal limbus of an eye of a patient, wherein the cold slurry comprises water and a freezing point depressant, wherein the topical application of the cold slurry is configured to cause a degree of numbing of a cornea of the eye for a period of time, and wherein an ocular sensation of the eye is restored following the period of time.Type: ApplicationFiled: October 4, 2024Publication date: February 27, 2025Inventors: James Anthony STEFATER, III, Tomasz Pawel STRYJEWSKI, Sameer SABIR
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Patent number: 12233157Abstract: The invention provides methods and polymer compositions for treating ocular disorders, where the methods and compositions comprise polymer that can form a hydrogel in the eye of a subject. The hydrogel is formed by reaction of (i) a nucleo-functional polymer that is a biocompatible polymer, such as a thiolated hyaluronic acid polymer, containing a plurality of thio-functional groups —R1—SH wherein R1 is hydrolyzable and (ii) an electro-functional polymer that is a biocompatible polymer, such as a poly(ethylene glycol) polymer, containing at least one thiol-reactive group.Type: GrantFiled: July 24, 2024Date of Patent: February 25, 2025Assignee: PYKUS THERAPEUTICS, INC.Inventors: Tomasz Pawel Stryjewski, James Anthony Stefater, III, Laurence A. Roth, Kelsey-Ann Leslie
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Publication number: 20240245833Abstract: The invention provides methods and polymer compositions for treating retinal detachment and other ocular disorders, where the methods employ polymer compositions that can form a hydrogel in the eye of a subject. The hydrogel is formed by reaction of (i) a nucleo-functional polymer that is a biocompatible polymer containing a plurality of thio-functional groups —R1-SH wherein R1 is an ester-containing linker, such as a thiolated poly(vinyl alcohol) polymer and (ii) an electro-functional polymer that is a biocompatible polymer containing at least one thiol-reactive group, such as a poly(ethylene glycol) polymer containing alpha-beta unsaturated ester groups.Type: ApplicationFiled: February 21, 2024Publication date: July 25, 2024Applicant: Massachusetts Eye and Ear InfirmaryInventors: James Anthony STEFATER, III, Tomasz Pawel STRYJEWSKI
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Publication number: 20240081884Abstract: Disclosed herein is a method of alleviating symptoms of ocular surface discomfort, the method comprising: topically applying a cold slurry adjacent to a corneal limbus of an eye of a patient, wherein the cold slurry comprises water and a freezing point depressant, wherein the topical application of the cold slurry is configured to cause a degree of numbing of a cornea of the eye for a period of time, and wherein an ocular sensation of the eye is restored following the period of time.Type: ApplicationFiled: April 12, 2023Publication date: March 14, 2024Inventors: James Anthony STEFATER, III, Tomasz Pawel STRYJEWSKI, Sameer SABIR
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Patent number: 11883378Abstract: Provided are formulations, methods, and devices for providing a hydrogel. The formulations and resulting hydrogels may be used for treating various disorders, including ocular disorders. In certain embodiments, the hydrogel is formed from formulations comprising (a) a nucleo-functional polymer that is a biocompatible polyalkylene polymer substituted by (i) a plurality of —OH groups, (ii) a plurality of thio-functional groups —R1—SH wherein R1 is an ester-containing linker, and (iii) optionally one or more —OC(O)—(C1-C6 alkyl) groups, such as a thiolated poly(vinyl alcohol) polymer; (b) an electro-functional polymer that is a biocompatible polymer containing at least one thiol-reactive group, such as a poly(ethylene glycol) polymer containing alpha-beta unsaturated ester groups; and (c) one or more pharmaceutically active agents. In certain embodiments, the hydrogel is formed at a targeted sited using methods and/or devices for focal administration of the formulations and/or hydrogels described herein.Type: GrantFiled: November 22, 2022Date of Patent: January 30, 2024Assignee: PYKUS THERAPEUTICS, INC.Inventors: Laurence A. Roth, Charles Sidoti, James Anthony Stefater, III, Tomasz Pawel Stryjewski
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Publication number: 20230414838Abstract: The invention provides methods and polymer compositions for treating retinal detachment and other ocular disorders, where the methods employ polymer compositions that can form a hydrogel in the eye of a subject. The hydrogel is formed by reaction of (i) a nucleo-functional polymer that is a biocompatible polymer containing a plurality of thio-functional groups —R1—SH wherein R1 is an ester-containing linker, such as a thiolated poly(vinyl alcohol) polymer and (ii) an electro-functional polymer that is a biocompatible polymer containing at least one thiol-reactive group, such as a poly(ethylene glycol) polymer containing alpha-beta unsaturated ester groups.Type: ApplicationFiled: January 9, 2023Publication date: December 28, 2023Applicant: Massachusetts Eye and Ear InfirmaryInventors: James Anthony STEFATER, III, Tomasz Pawel STRYJEWSKI
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Publication number: 20230157988Abstract: Provided are formulations, methods, and devices for providing a hydrogel. The formulations and resulting hydrogels may be used for treating various disorders, including ocular disorders. In certain embodiments, the hydrogel is formed from formulations comprising (a) a nucleo-functional polymer that is a biocompatible polyalkylene polymer substituted by (i) a plurality of —OH groups, (ii) a plurality of thio-functional groups —R1—SH wherein R1 is an ester-containing linker, and (iii) optionally one or more —OC(O)—(C1-C6 alkyl) groups, such as a thiolated poly(vinyl alcohol) polymer; (b) an electro-functional polymer that is a biocompatible polymer containing at least one thiol-reactive group, such as a poly(ethylene glycol) polymer containing alpha-beta unsaturated ester groups; and (c) one or more pharmaceutically active agents. In certain embodiments, the hydrogel is formed at a targeted sited using methods and/or devices for focal administration of the formulations and/or hydrogels described herein.Type: ApplicationFiled: November 22, 2022Publication date: May 25, 2023Applicant: Pykus Therapeutics, Inc.Inventors: Laurence A. ROTH, Charles SIDOTI, James Anthony STEFATER, III, Tomasz Pawel STRYJEWSKI
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Patent number: 11653969Abstract: Disclosed herein is a method of alleviating symptoms of ocular surface discomfort, the method comprising: topically applying a cold slurry adjacent to a corneal limbus of an eye of a patient, wherein the cold slurry comprises water and a freezing point depressant, wherein the topical application of the cold slurry is configured to cause a degree of numbing of a cornea of the eye for a period of time, and wherein an ocular sensation of the eye is restored following the period of time.Type: GrantFiled: June 14, 2022Date of Patent: May 23, 2023Assignee: EYECOOL THERAPEUTICS, INC.Inventors: James Anthony Stefater, III, Tomasz Pawel Stryjewski, Sameer Sabir
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Patent number: 11547779Abstract: The invention provides methods and polymer compositions for treating retinal detachment and other ocular disorders, where the methods employ polymer compositions that can form a hydrogel in the eye of a subject. The hydrogel is formed by reaction of (i) a nucleo-functional polymer that is a biocompatible polymer containing a plurality of thio-functional groups —R1-SH wherein R1 is an ester-containing linker, such as a thiolated poly(vinyl alcohol) polymer and (ii) an electro-functional polymer that is a biocompatible polymer containing at least one thiol-reactive group, such as a poly(ethylene glycol) polymer containing alpha-beta unsaturated ester groups.Type: GrantFiled: January 13, 2022Date of Patent: January 10, 2023Assignee: MASSACHUSETTS EYE AND EAR INFIRMARYInventors: James Anthony Stefater, III, Tomasz Pawel Stryjewski
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Publication number: 20220379071Abstract: Disclosed herein is a method of alleviating symptoms of ocular surface discomfort, the method comprising: topically applying a cold slurry adjacent to a corneal limbus of an eye of a patient, wherein the cold slurry comprises water and a freezing point depressant, wherein the topical application of the cold slurry is configured to cause a degree of numbing of a cornea of the eye for a period of time, and wherein an ocular sensation of the eye is restored following the period of time.Type: ApplicationFiled: June 14, 2022Publication date: December 1, 2022Inventors: James Anthony STEFATER, III, Tomasz Pawel STRYJEWSKI, Sameer SABIR
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Patent number: 11399882Abstract: Disclosed herein is a method of alleviating symptoms of ocular surface discomfort, the method comprising: topically applying a cold slurry adjacent to a corneal limbus of an eye of a patient, wherein the cold slurry comprises water and a freezing point depressant, wherein the topical application of the cold slurry is configured to cause a degree of numbing of a cornea of the eye for a period of time, and wherein an ocular sensation of the eye is restored following the period of time.Type: GrantFiled: March 26, 2021Date of Patent: August 2, 2022Assignee: EYECOOL THERAPEUTICS, INC.Inventors: James Anthony Stefater, III, Tomasz Pawel Stryjewski, Sameer Sabir
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Publication number: 20220133956Abstract: The invention provides methods and polymer compositions for treating retinal detachment and other ocular disorders, where the methods employ polymer compositions that can form a hydrogel in the eye of a subject. The hydrogel is formed by reaction of (i) a nucleo-functional polymer that is a biocompatible polymer containing a plurality of thio-functional groups —R1-SH wherein R1 is an ester-containing linker, such as a thiolated poly(vinyl alcohol) polymer and (ii) an electro-functional polymer that is a biocompatible polymer containing at least one thiol-reactive group, such as a poly(ethylene glycol) polymer containing alpha-beta unsaturated ester groups.Type: ApplicationFiled: January 13, 2022Publication date: May 5, 2022Applicant: Massachusetts Eye and Ear InfirmaryInventors: James Anthony STEFATER, III, Tomasz Pawel STRYJEWSKI
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Publication number: 20220079648Abstract: Disclosed herein is a method of alleviating symptoms of ocular surface discomfort, the method comprising: topically applying a cold slurry adjacent to a corneal limbus of an eye of a patient, wherein the cold slurry comprises water and a freezing point depressant, wherein the topical application of the cold slurry is configured to cause a degree of numbing of a cornea of the eye for a period of time, and wherein an ocular sensation of the eye is restored following the period of time.Type: ApplicationFiled: March 26, 2021Publication date: March 17, 2022Inventors: James Anthony STEFATER, III, Tomasz Pawel STRYJEWSKI, Sameer SABIR
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Publication number: 20220040381Abstract: The invention provides methods and polymer-containing formulations for treating retinal detachment and other ocular disorders, where the methods employ polymer compositions that can form a hydrogel in the eye of a subject. The hydrogel is formed by reaction of (a) a nucleo-functional polymer is a biocompatible polyalkylene polymer substituted by (i) a plurality of —OH groups, (ii) a plurality of thio-functional groups —R1—SH wherein R1 is an ester-containing linker, and (iii) optionally one or more —OC(O)—(C1-C6 alkyl) groups, such as a thiolated poly(vinyl alcohol) polymer and (ii) an electro-functional polymer that is a biocompatible polymer containing at least one thiol-reactive group, such as a poly(ethylene glycol) polymer containing alpha-beta unsaturated ester groups. Formulations are provided containing a nucleo-functional polymer, a poly(ethylene glycol) polymer, and an aqueous pharmaceutically acceptable carrier, for use in the therapeutic methods.Type: ApplicationFiled: March 30, 2021Publication date: February 10, 2022Applicant: Pykus Therapeutics, Inc.Inventors: Laurence A. ROTH, James Anthony STEFATER, III, Tomasz Pawel STRYJEWSKI, John Solomon GARNER
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Patent number: 11077232Abstract: The invention provides methods and polymer compositions for treating retinal detachment and other ocular disorders, where the methods employ polymer compositions that can form a hydrogel in the eye of a subject. The hydrogel is formed by reaction of (i) a nucleo-functional polymer that is a biocompatible polymer containing a plurality of thio-functional groups —R1—SH wherein R1 is an ester-containing linker, such as a thiolated poly(vinyl alcohol) polymer and (ii) an electro-functional polymer that is a biocompatible polymer containing at least one thiol-reactive group, such as a poly(ethylene glycol) polymer containing alpha-beta unsaturated ester groups.Type: GrantFiled: March 4, 2021Date of Patent: August 3, 2021Assignee: MASSACHUSETTS EYE AND EAR INFIRMARYInventors: James Anthony Stefater, III, Tomasz Pawel Stryjewski
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Publication number: 20210187168Abstract: The invention provides methods and polymer compositions for treating retinal detachment and other ocular disorders, where the methods employ polymer compositions that can form a hydrogel in the eye of a subject. The hydrogel is formed by reaction of (i) a nucleo-functional polymer that is a biocompatible polymer containing a plurality of thio-functional groups —R1—SH wherein R1 is an ester-containing linker, such as a thiolated poly(vinyl alcohol) polymer and (ii) an electro-functional polymer that is a biocompatible polymer containing at least one thiol-reactive group, such as a poly(ethylene glycol) polymer containing alpha-beta unsaturated ester groups.Type: ApplicationFiled: March 4, 2021Publication date: June 24, 2021Applicant: Massachusetts Eye and Ear InfirmaryInventors: James Anthony STEFATER, III, Tomasz Pawel STRYJEWSKI
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Patent number: 10973954Abstract: The invention provides methods and polymer compositions for treating retinal detachment and other ocular disorders, where the methods employ polymer compositions that can form a hydrogel in the eye of a subject. The hydrogel is formed by reaction of (i) a nucleo-functional polymer that is a biocompatible polymer containing a plurality of thio-functional groups —R1—SH wherein R1 is an ester-containing linker, such as a thiolated poly(vinyl alcohol) polymer and (ii) an electro-functional polymer that is a biocompatible polymer containing at least one thiol-reactive group, such as a poly(ethylene glycol) polymer containing alpha-beta unsaturated ester groups.Type: GrantFiled: November 19, 2020Date of Patent: April 13, 2021Assignee: MASSACHUSETTS EYE AND EAR INFIRMARYInventors: James Anthony Stefater, III, Tomasz Pawel Stryjewski
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Patent number: 10973955Abstract: The invention provides methods and polymer compositions for treating retinal detachment and other ocular disorders, where the methods employ polymer compositions that can form a hydrogel in the eye of a subject. The hydrogel is formed by reaction of (i) a nucleo-functional polymer that is a biocompatible polymer containing a plurality of thio-functional groups —R1—SH wherein R1 is an ester-containing linker, such as a thiolated poly(vinyl alcohol) polymer and (ii) an electro-functional polymer that is a biocompatible polymer containing at least one thiol-reactive group, such as a poly(ethylene glycol) polymer containing alpha-beta unsaturated ester groups.Type: GrantFiled: November 19, 2020Date of Patent: April 13, 2021Assignee: MASSACHUSETTS EYE AND EAR INFIRMARYInventors: James Anthony Stefater, III, Tomasz Pawel Stryjewski
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Publication number: 20210077662Abstract: The invention provides methods and polymer compositions for treating retinal detachment and other ocular disorders, where the methods employ polymer compositions that can form a hydrogel in the eye of a subject. The hydrogel is formed by reaction of (i) a nucleo-functional polymer that is a biocompatible polymer containing a plurality of thio-functional groups —R1—SH wherein R1 is an ester-containing linker, such as a thiolated poly(vinyl alcohol) polymer and (ii) an electro-functional polymer that is a biocompatible polymer containing at least one thiol-reactive group, such as a poly(ethylene glycol) polymer containing alpha-beta unsaturated ester groups.Type: ApplicationFiled: November 19, 2020Publication date: March 18, 2021Applicant: Massachusetts Eye and Ear InfirmaryInventors: James Anthony STEFATER, III, Tomasz Pawel STRYJEWSKI