Patents by Inventor Donald E. Riederer

Donald E. Riederer 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).

  • Polymerizable absorbers of UV and high energy visible light
    Patent number: 12486403
    Abstract: Described are polymerizable high energy light absorbing compounds. The compounds absorb various wavelengths of ultraviolet and/or high energy visible light and are suitable for incorporation in various products, such as biomedical devices and ophthalmic devices. Such devices exhibit a number of desirable properties, including favorable rates of pervaporation.
    Type: Grant
    Filed: June 29, 2022
    Date of Patent: December 2, 2025
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Donald E. Riederer, Patricia Martin, Shivkumar Mahadevan, Dawn D. Wright, John R. Buch, Jessica Cannon
  • SILICONE HYDROGEL CONTACT LENSES HAVING NON-UNIFORM MORPHOLOGY
    Publication number: 20250243327
    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: April 21, 2025
    Publication date: July 31, 2025
    Inventors: Azaam Alli, Donald E. Riederer, Alexander Guzman, Bernardo Santa Maria
  • Silicone hydrogel contact lenses having non-uniform morphology
    Patent number: 12297330
    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: September 1, 2023
    Date of Patent: May 13, 2025
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Azaam Alli, Donald E. Riederer, Alexander Guzman, Bernardo Santa Maria
  • Compositions for ophthalmologic devices
    Patent number: 12049606
    Abstract: The present invention relates to borate and phosphate containing compositions, especially eye care compositions, achieving physiologically compatible pH and tonicity as well as good bacteriostatic properties. Methods of using the compositions of the present invention are also disclosed.
    Type: Grant
    Filed: December 9, 2021
    Date of Patent: July 30, 2024
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Frank Neely, Donald E. Riederer, Jeffrey Wegrzyn
  • 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 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
  • 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
  • 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
  • POLYMERIZABLE ABSORBERS OF UV AND HIGH ENERGY VISIBLE LIGHT
    Publication number: 20220340759
    Abstract: Described are polymerizable high energy light absorbing compounds. The compounds absorb various wavelengths of ultraviolet and/or high energy visible light and are suitable for incorporation in various products, such as biomedical devices and ophthalmic devices. Such devices exhibit a number of desirable properties, including favorable rates of pervaporation.
    Type: Application
    Filed: June 29, 2022
    Publication date: October 27, 2022
    Inventors: Donald E. Riederer, Patricia Martin, Shivkumar Mahadevan, Dawn D. Wright, John R. Buch, Jessica Cannon
  • Compositions for Ophthalmologic Devices
    Publication number: 20220220417
    Abstract: The present invention relates to borate and phosphate containing compositions, especially eye care compositions, achieving physiologically compatible pH and tonicity as well as good bacteriostatic properties. Methods of using the compositions of the present invention are also disclosed.
    Type: Application
    Filed: December 9, 2021
    Publication date: July 14, 2022
    Inventors: Frank Neely, Donald E. Riederer, Jeffrey Wegrzyn
  • 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
  • Antimicrobial lenses displaying extended efficacy, processes to prepare them and methods of their use
    Publication number: 20040151755
    Abstract: This invention relates to antimicrobial ophthalmic devices containing silver releasing compounds and methods for their production. The antimicrobial lenses of the present invention have percent haze of less than about 200% and have a release rate constant, calculated using a first order kinetics equation of up to about 1 days−1 and an initial silver concentration of at least about 10 ppm.
    Type: Application
    Filed: November 18, 2003
    Publication date: August 5, 2004
    Inventors: Osman Rathore, Diana Zanini, Frank Neely, Donald E. Riederer, Douglas Vanderlaan, Ann-Margret Andersson
  • Method to identify a surface-bound molecule
    Patent number: 6432716
    Abstract: The present invention relates to a method of identifying a molecule of a molecule-substrate complex, wherein the molecule is covalently attached directly to a substrate or indirectly by means of a linking moiety, comprising: (a) bombarding the molecule-substrate complex with energized particles to cleave the molecule from the molecule-substrate complex; and (b) determining the molecular weight of the cleaved molecule by means of mass spectrometry. The inventive method may further comprise irradiating the cleaved molecule with photons.
    Type: Grant
    Filed: December 18, 1998
    Date of Patent: August 13, 2002
    Assignee: The Penn State Research Foundation
    Inventors: Nicholas Winograd, Donald E. Riederer, Reema Chatterjee
  • METHOD TO IDENTIFY A SURFACE-BOUND MOLECULE
    Publication number: 20010055813
    Abstract: The present invention relates to a method of identifying a molecule of a molecule-substrate complex, wherein the molecule is covalently attached directly to a substrate or indirectly by means of a linking moiety, comprising: (a) bombarding the molecule-substrate complex with energized particles to cleave the molecule from the molecule-substrate complex; and (b) determining the molecular weight of the cleaved molecule by means of mass spectrometry. The inventive method may further comprise irradiating the cleaved molecule with photons.
    Type: Application
    Filed: December 18, 1998
    Publication date: December 27, 2001
    Inventors: NICHOLAS WINOGRAD, DONALD E. RIEDERER, REEMA CHATTERJEE