Patents by Inventor Paul Ehrmann

Paul Ehrmann 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).

  • Etching of water-sensitive optics with water-in-oil emulsions
    Patent number: 11740454
    Abstract: In one inventive concept, a method for etching an optic includes obtaining a microemulsion, where the microemulsion includes a continuous oil phase, a surfactant system comprising at least one surfactant, and water, submerging at least a portion of the optic in the microemulsion, and agitating by ultrasonication the microemulsion for etching the optic submerged therein.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: August 29, 2023
    Assignee: Lawrence Livermore National Security, LLC
    Inventors: Salmaan H. Baxamusa, John Adams, Paul Ehrmann, Ted Laurence, Marlon G. Menor, Kathleen I. Schaffers
  • ETCHING OF WATER-SENSITIVE OPTICS WITH WATER-IN-OIL EMULSIONS
    Publication number: 20210003841
    Abstract: In one inventive concept, a method for etching an optic includes obtaining a microemulsion, where the microemulsion includes a continuous oil phase, a surfactant system comprising at least one surfactant, and water, submerging at least a portion of the optic in the microemulsion, and agitating by ultrasonication the microemulsion for etching the optic submerged therein.
    Type: Application
    Filed: March 26, 2018
    Publication date: January 7, 2021
    Inventors: Salmaan H. Baxamusa, John Adams, Paul Ehrmann, Ted Laurence, Marlon G. Menor, Kathleen I. Schaffers