Patents by Inventor Alexander Guzman

Alexander Guzman 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).

  • INK COMPOSITION FOR COSMETIC CONTACT LENSES
    Publication number: 20240150595
    Abstract: Provided are ink compositions for making cosmetic contact lenses, as well as cosmetic contact lenses and methods for their preparation and use. The ink composition comprises: (a) a colorant; and (b) a nonreactive hydrophilic polymer.
    Type: Application
    Filed: December 19, 2023
    Publication date: May 9, 2024
    Inventors: Jaqunda Patton, Yong Zhang, Alexander Guzman, Ghulam Maharvi
  • Amide-functionalized polymerization initiators and their use in the manufacture of ophthalmic lenses
    Patent number: 11912800
    Abstract: Provided are compounds that may function as functionalized polymerization initiators, for instance in the manufacture of ophthalmic lenses, and to methods of such manufacture. The compounds are of formula I: wherein R1, R2, R3, R4, R5, T, p, q, and n are as defined herein.
    Type: Grant
    Filed: August 22, 2022
    Date of Patent: February 27, 2024
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Michael F. Widman, Ghulam Maharvi, Shivkumar Mahadevan, Azaam Alli, Alexander Guzman, Xin Wei, Minghan Chen
  • Ink composition for cosmetic contact lenses
    Patent number: 11891526
    Abstract: Provided are ink compositions for making cosmetic contact lenses, as well as cosmetic contact lenses and methods for their preparation and use. The ink composition comprises: (a) a colorant; and (b) a nonreactive hydrophilic polymer.
    Type: Grant
    Filed: August 7, 2020
    Date of Patent: February 6, 2024
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Jaqunda Patton, Yong Zhang, Alexander Guzman, Ghulam Maharvi
  • SILICONE HYDROGEL CONTACT LENSES HAVING NON-UNIFORM MORPHOLOGY
    Publication number: 20230416470
    Abstract: Described is a silicone hydrogel contact lens having non-uniform morphology. The contact lens may be made from a reactive mixture comprising: a silicone-containing component; a hydrophilic component; a non-reactive polymeric internal wetting agent; and a polymerization initiator, the contact lens having an oxygen permeability of at least about 60 barrers, and wherein the molar ratio in the lens of the polymeric non-reactive internal wetting agent to silicone, without a surface treatment, is greater in the lens's surface than in its bulk.
    Type: Application
    Filed: September 1, 2023
    Publication date: December 28, 2023
    Inventors: Azaam Alli, Donald E. Riederer, Alexander Guzman, Bernardo Santa Maria
  • Silicone hydrogels comprising polyamides
    Patent number: 11828913
    Abstract: Described are silicone hydrogels that are more biocompatible than current ocular materials. The silicone hydrogels are formed from a reactive monomer mixture comprising: a mixture of hydroxyl substituted silicone containing components, at least one polyamide; and at least one hydrophilic monomer. The silicone hydrogels also display a desirable balance of properties, including clarity, oxygen permeability, wettability and desirable protein uptake.
    Type: Grant
    Filed: November 19, 2020
    Date of Patent: November 28, 2023
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Azaam Alli, Alexander Guzman
  • Silicone hydrogel contact lenses having non-uniform morphology
    Patent number: 11827755
    Abstract: Described is a silicone hydrogel contact lens having non-uniform morphology. The contact lens may be made from a reactive mixture comprising: a silicone-containing component; a hydrophilic component; a non-reactive polymeric internal wetting agent; and a polymerization initiator, the contact lens having an oxygen permeability of at least about 60 barrers, and wherein the molar ratio in the lens of the polymeric non-reactive internal wetting agent to silicone, without a surface treatment, is greater in the lens's surface than in its bulk.
    Type: Grant
    Filed: December 13, 2022
    Date of Patent: November 28, 2023
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Azaam Alli, Donald E. Riederer, Alexander Guzman, Bernardo Santa Maria
  • OPHTHALMIC LENSES AND THEIR MANUFACTURE BY IN-MOLD MODIFICATION
    Publication number: 20230176251
    Abstract: Provided is a method for forming an ophthalmic lens as well as a lens formed by such method. The method includes the curing of a reactive monomer mixture within a mold assembly under conditions to permit incorporation of functional features into selective portions of the ophthalmic lens.
    Type: Application
    Filed: August 22, 2022
    Publication date: June 8, 2023
    Inventors: Michael F. Widman, Ghulam Maharvi, Shivkumar Mahadevan, Azaam Alli, Alexander Guzman, Xin Wei, Minghan Chen
  • SILICONE HYDROGEL CONTACT LENSES HAVING NON-UNIFORM MORPHOLOGY
    Publication number: 20230116533
    Abstract: Described is a silicone hydrogel contact lens having non-uniform morphology. The contact lens may be made from a reactive mixture comprising: a silicone-containing component; a hydrophilic component; a non-reactive polymeric internal wetting agent; and a polymerization initiator, the contact lens having an oxygen permeability of at least about 60 barrers, and wherein the molar ratio in the lens of the polymeric non-reactive internal wetting agent to silicone, without a surface treatment, is greater in the lens's surface than in its bulk.
    Type: Application
    Filed: December 13, 2022
    Publication date: April 13, 2023
    Inventors: Azaam Alli, Donald E. Riederer, Alexander Guzman, Bernardo Santa Maria
  • AMIDE-FUNCTIONALIZED POLYMERIZATION INITIATORS AND THEIR USE IN THE MANUFACTURE OF OPHTHALMIC LENSES
    Publication number: 20230105992
    Abstract: Provided are compounds that may function as functionalized polymerization initiators, for instance in the manufacture of ophthalmic lenses, and to methods of such manufacture. The compounds are of formula I: wherein R1, R2, R3, R4, R5, T, p, q, and n are as defined herein.
    Type: Application
    Filed: August 22, 2022
    Publication date: April 6, 2023
    Inventors: Michael F. Widman, Ghulam Maharvi, Shivkumar Mahadevan, Azaam Alli, Alexander Guzman, Xin Wei, Minghan Chen
  • ANTHRAQUINONE-FUNCTIONALIZED POLYMERIZATION INITIATORS AND THEIR USE IN THE MANUFACTURE OF OPHTHALMIC LENSES
    Publication number: 20230105465
    Abstract: Provided are compounds that may function as functionalized polymerization initiators, for instance in the manufacture of ophthalmic lenses, and to methods of such manufacture. The compounds are of formula I: wherein R1, R2, R3, R4, p, q, r, s, v, w, and X1 are as defined herein.
    Type: Application
    Filed: August 22, 2022
    Publication date: April 6, 2023
    Inventors: Michael F. Widman, Ghulam Maharvi, Shivkumar Mahadevan, Azaam Alli, Alexander Guzman, Xin Wei, Minghan Chen
  • Silicone hydrogel contact lenses having non-uniform morphology
    Patent number: 11578176
    Abstract: Described is a silicone hydrogel contact lens having non-uniform morphology. The contact lens may be made from a reactive mixture comprising: a silicone-containing component; a hydrophilic component; a non-reactive polymeric internal wetting agent; and a polymerization initiator, the contact lens having an oxygen permeability of at least about 60 barrers, and wherein the molar ratio in the lens of the polymeric non-reactive internal wetting agent to silicone, without a surface treatment, is greater in the lens's surface than in its bulk.
    Type: Grant
    Filed: May 15, 2020
    Date of Patent: February 14, 2023
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Azaam Alli, Donald E. Riederer, Alexander Guzman, Bernardo Santa Maria
  • SILICONE HYDROGELS COMPRISING POLYAMIDES
    Publication number: 20210141122
    Abstract: Described are silicone hydrogels that are more biocompatible than current ocular materials. The silicone hydrogels are formed from a reactive monomer mixture comprising: a mixture of hydroxyl substituted silicone containing components, at least one polyamide; and at least one hydrophilic monomer. The silicone hydrogels also display a desirable balance of properties, including clarity, oxygen permeability, wettability and desirable protein uptake.
    Type: Application
    Filed: November 19, 2020
    Publication date: May 13, 2021
    Inventors: Azaam Alli, Alexander Guzman
  • Ink composition for cosmetic contact lenses
    Patent number: 10996491
    Abstract: Provided are ink compositions for making cosmetic contact lenses, as well as cosmetic contact lenses and methods for their preparation and use. The ink composition comprises: (a) a colorant; (b) a hydrophilic polymer; and (c) a binder polymer comprising a triblock polymer of formula: [A]-[B]-[C], wherein [A], [B] and [C] are as described herein.
    Type: Grant
    Filed: February 11, 2019
    Date of Patent: May 4, 2021
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Jaqunda Patton, Yong Zhang, Alexander Guzman
  • INK COMPOSITION FOR COSMETIC CONTACT LENSES
    Publication number: 20210079238
    Abstract: Provided are ink compositions for making cosmetic contact lenses, as well as cosmetic contact lenses and methods for their preparation and use. The ink composition comprises: (a) a colorant; and (b) a nonreactive hydrophilic polymer.
    Type: Application
    Filed: August 7, 2020
    Publication date: March 18, 2021
    Inventors: Jaqunda Patton, Yong Zhang, Alexander Guzman, Ghulam Maharvi
  • Silicone hydrogels comprising polyamides
    Patent number: 10890689
    Abstract: Described are silicone hydrogels that are more biocompatible than current ocular materials. The silicone hydrogels are formed from a reactive monomer mixture comprising: a mixture of hydroxyl substituted silicone containing components, at least one polyamide; and at least one hydrophilic monomer. The silicone hydrogels also display a desirable balance of properties, including clarity, oxygen permeability, wettability and desirable protein uptake.
    Type: Grant
    Filed: June 27, 2019
    Date of Patent: January 12, 2021
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Azaam Alli, Alexander Guzman
  • SILICONE HYDROGEL CONTACT LENSES HAVING NON-UNIFORM MORPHOLOGY
    Publication number: 20200399429
    Abstract: Described is a silicone hydrogel contact lens having non-uniform morphology. The contact lens may be made from a reactive mixture comprising: a silicone-containing component; a hydrophilic component; a non-reactive polymeric internal wetting agent; and a polymerization initiator, the contact lens having an oxygen permeability of at least about 60 barrers, and wherein the molar ratio in the lens of the polymeric non-reactive internal wetting agent to silicone, without a surface treatment, is greater in the lens's surface than in its bulk.
    Type: Application
    Filed: May 15, 2020
    Publication date: December 24, 2020
    Inventors: Azaam Alli, Donald E. Riederer, Alexander Guzman, Bernardo Santa Maria
  • Silicone hydrogels comprising high levels of polyamides
    Patent number: 10738145
    Abstract: Described are silicone hydrogels with high levels of polyamides exhibiting an excellent balance of physical, mechanical, and biological properties. The silicone hydrogels are formed from a reactive monomer mixture comprising: a hydroxylalkyl (meth)acrylate monomer; hydroxyl-containing silicone components; and a polyamide, wherein the polyamide is present in an amount greater than 15 weight percent, based on the total weight of reactive components in the reactive monomer mixture.
    Type: Grant
    Filed: June 27, 2019
    Date of Patent: August 11, 2020
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Azaam Alli, Alexander Guzman
  • SILICONE HYDROGELS COMPRISING HIGH LEVELS OF POLYAMIDES
    Publication number: 20190315902
    Abstract: Described are silicone hydrogels with high levels of polyamides exhibiting an excellent balance of physical, mechanical, and biological properties. The silicone hydrogels are formed from a reactive monomer mixture comprising: a hydroxylalkyl (meth)acrylate monomer; hydroxyl-containing silicone components; and a polyamide, wherein the polyamide is present in an amount greater than 15 weight percent, based on the total weight of reactive components in the reactive monomer mixture.
    Type: Application
    Filed: June 27, 2019
    Publication date: October 17, 2019
    Inventors: Azaam Alli, Alexander Guzman
  • SILICONE HYDROGELS COMPRISING POLYAMIDES
    Publication number: 20190317248
    Abstract: Described are silicone hydrogels that are more biocompatible than current ocular materials. The silicone hydrogels are formed from a reactive monomer mixture comprising: a mixture of hydroxyl substituted silicone containing components, at least one polyamide; and at least one hydrophilic monomer. The silicone hydrogels also display a desirable balance of properties, including clarity, oxygen permeability, wettability and desirable protein uptake.
    Type: Application
    Filed: June 27, 2019
    Publication date: October 17, 2019
    Inventors: Azaam Alli, Alexander Guzman
  • INK COMPOSITION FOR COSMETIC CONTACT LENSES
    Publication number: 20190293960
    Abstract: Provided are ink compositions for making cosmetic contact lenses, as well as cosmetic contact lenses and methods for their preparation and use. The ink composition comprises: (a) a colorant; (b) a hydrophilic polymer; and (c) a binder polymer comprising a triblock polymer of formula: [A]-[B]-[C], wherein [A], [B] and [C] are as described herein.
    Type: Application
    Filed: February 11, 2019
    Publication date: September 26, 2019
    Inventors: Jaqunda Patton, Yong Zhang, Alexander Guzman