Patents by Inventor Carl W. Erkenbrecher, Jr.

Carl W. Erkenbrecher, Jr. 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).

  • REMOVABLE ANTIMICROBIAL COATING COMPOSITIONS CONTAINING CATIONIC RHEOLOGY AGENT AND METHODS OF USE
    Publication number: 20160262385
    Abstract: A method is provided for controlling microorganisms comprising coating a surface with a removable, antimicrobial film-forming composition. More specifically, the method relates to a removable antimicrobial coating composition comprising a cationic rheology agent.
    Type: Application
    Filed: May 26, 2016
    Publication date: September 15, 2016
    Inventors: CHRISTIAN HOFFMANN, WILLIAM R. CAHILL, JR., SHAUN FRANCIS MALONE, CARL W. ERKENBRECHER, JR.
  • ENZYMATIC IN SITU PREPARATION OF PERACID-BASED REMOVABLE ANTIMICROBIAL COATING COMPOSITIONS AND METHODS OF USE
    Publication number: 20160205946
    Abstract: In-situ enzymatic preparation of peracid-based removable antimicrobial coating compositions and their methods of use for controlling microorganisms at various loci are disclosed.
    Type: Application
    Filed: March 29, 2016
    Publication date: July 21, 2016
    Inventors: CHRISTINA S. STAUFFER, ROBERT DICOSIMO, MARK S. PAYNE, CHRISTIAN HOFFMANN, DONNA LYNN LEGER, CARL W. ERKENBRECHER, JR.
  • REMOVABLE ANTIMICROBIAL COATING COMPOSITIONS CONTAINING ACID-ACTIVATED RHEOLOGY AGENT AND METHODS OF USE
    Publication number: 20110182959
    Abstract: A method is provided for controlling microorganisms comprising coating a surface with a removable, antimicrobial film-forming composition. More specifically, the removable, antimicrobial film-forming composition comprises at least one antimicrobial agent and at least one acid-activated rheology agent.
    Type: Application
    Filed: July 26, 2010
    Publication date: July 28, 2011
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY.
    Inventors: William R. Cahill, Carl W. Erkenbrecher, JR., Christian Hoffmann, Shaun F. Malone
  • ENZYMATIC IN SITU PREPARATION OF PERACID-BASED REMOVABLE ANTIMICROBIAL COATING COMPOSITIONS AND METHODS OF USE
    Publication number: 20110177148
    Abstract: In-situ enzymatic preparation of peracid-based removable antimicrobial coating compositions and their methods of use for controlling microorganisms at various loci are disclosed.
    Type: Application
    Filed: July 26, 2010
    Publication date: July 21, 2011
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Robert Dicosimo, Carl W. Erkenbrecher, JR., Christian Hoffmann, Lynn Leger, Mark S. Payne, Christina S. Stauffer
  • REMOVABLE ANTIMICROBIAL COATING COMPOSITIONS CONTAINING CATIONIC RHEOLOGY AGENT AND METHODS OF USE
    Publication number: 20110177146
    Abstract: A method is provided for controlling microorganisms comprising coating a surface with a removable, antimicrobial film-forming composition. More specifically, the method relates to a removable antimicrobial coating composition comprising a cationic rheology agent.
    Type: Application
    Filed: July 26, 2010
    Publication date: July 21, 2011
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: William R. Cahill, Carl W. Erkenbrecher, JR., Christian Hoffmann, Shaun F. Malone
  • IN SITU PREPARATION OF PERACID-BASED REMOVABLE ANTIMICROBIAL COATING COMPOSITIONS AND METHODS OF USE
    Publication number: 20110177145
    Abstract: In situ preparation of peracid-based removable antimicrobial coating compositions and their methods of use for controlling microorganisms at various loci are disclosed.
    Type: Application
    Filed: July 26, 2010
    Publication date: July 21, 2011
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Carl W. Erkenbrecher, JR., Christian Hoffman, Lynn Leger, John Sinicropi, Christina S. Stauffer
  • Process for preparing antimicrobial polymeric materials using irradiation
    Patent number: 5428078
    Abstract: Polyamide, polyurea, polyhydrazide, and polyurethane materials having substantially modified surfaces which are antimicrobial are disclosed. The disclosure also relates to selective ultraviolet (UV) photon irradiation, high energy electron irradiation low energy electron irradiation for preparing such antimicrobial, polymeric materials. The disclosure further provides methods for controlling microorganisms, and products made from the antimicrobial, polymeric materials of this invention.
    Type: Grant
    Filed: October 7, 1994
    Date of Patent: June 27, 1995
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Jeffrey D. Cohen, Carl W. Erkenbrecher, Jr., Sharon Haynie, Michael J. Kelley, Henry Kobsa, Arthur N. Roe, Michael H. Scholla
  • Prevention of biofouling of reverse osmosis membranes
    Patent number: 4988444
    Abstract: An improved process is disclosed for killing and inhibiting growth and reproduction (aftergrowth) of microorganisms comprising adding sufficient chloramine to kill the microorganisms without oxidizing high molecular weight organics, which are not easily assimilated by organisms that survive, into lower molecular weight ones, which are easily assimilated.
    Type: Grant
    Filed: May 12, 1989
    Date of Patent: January 29, 1991
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Lynn E. Applegate, Carl W. Erkenbrecher, Jr., Harvey Winters