Patents by Inventor Walter R. Perkins

Walter R. Perkins 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).

  • Publication number: 20160175553
    Abstract: Low resistance aerosol exhalation filters, and methods of their use are provided. The exhalation filters provided herein are used in conjunction with a nebulizer in the treatment of a pulmonary infection in a patient in need thereof. In one method, an antiinfective formulation is administered to a patient in need of treatment of a pulmonary infection, with a nebulizer comprising a low resistance aerosol exhalation filter of the invention. The pulmonary infection, in one embodiment, is a Pseudomonas or mycobacterial (e.g., NTM) infection.
    Type: Application
    Filed: July 17, 2014
    Publication date: June 23, 2016
    Inventors: Walter R. PERKINS, Zhili LI
  • Publication number: 20160166608
    Abstract: One aspect of the invention relates to methods of treating cancer in a patient comprising administering intraperitoneally to a patient in need thereof a cancer treating effective amount of a composition comprising a lipid-complexed platinum compound wherein the concentration of the platinum compound of the lipid-complexed platinum compound composition is greater than about 1.2 mg/ml. Another aspect of the invention relates to lipid-complexed platinum compound compositions where the concentration of the platinum compound is greater than about 1.2 mg/ml.
    Type: Application
    Filed: July 10, 2015
    Publication date: June 16, 2016
    Inventors: Frank G. Pilkiewicz, Roman PEREZ-SOLER, Yiyu ZOU, Walter R. PERKINS, Jin K. LEE, Vladimir MALININ
  • Patent number: 9107824
    Abstract: One aspect of the invention relates to methods of treating cancer in a patient comprising administering intraperitoneally to a patient in need thereof a cancer treating effective amount of a composition comprising a lipid-complexed platinum compound wherein the concentration of the platinum compound of the lipid-complexed platinum compound composition is greater than about 1.2 mg/ml. Another aspect of the invention relates to lipid-complexed platinum compound compositions where the concentration of the platinum compound is greater than about 1.2 mg/ml.
    Type: Grant
    Filed: May 16, 2008
    Date of Patent: August 18, 2015
    Assignee: Insmed Incorporated
    Inventors: Frank G. Pilkiewicz, Roman Perez-Soler, Yiyu Zou, Walter R. Perkins, Jin K. Lee, Vladimir Malinin
  • Publication number: 20090191259
    Abstract: The present invention concerns a method for preparing liposomes, said method comprising the following steps: (I) mixing at least one liposome-forming lipid, a water-miscible organic solvent and aqueous medium Y to form a gel or liquid containing gel particles without sonication; and thereafter (II) (a) mixing the gel or liquid containing gel particles with aqueous medium Z1 to directly form the liposomes; (b) (i) mixing the gel or liquid containing gel particles with aqueous medium Z1 to form a curd or curdy substance; and (ii) mixing the curd or curdy substance with aqueous medium Z2 to directly form the liposomes; or (c) (i) cooling the gel or liquid containing gel particles to form a waxy substance; and (ii) mixing the waxy substance with aqueous medium Z1 to directly form the liposomes; wherein aqueous media Y, Z1 and Z2 are the same or different.
    Type: Application
    Filed: January 8, 2003
    Publication date: July 30, 2009
    Applicant: TRANSAVE, INC.
    Inventors: Xingong Li, Tong Shangguan, Alla Polozova, Paul R. Meers, Walter R. Perkins
  • Publication number: 20090130194
    Abstract: In one aspect, the present invention relates to methods of treating cancer in a patient comprising administering intravenously to a patient in need thereof a cancer treating effective amount of a lipid-complexed platinum compound composition wherein the concentration of the platinum compound of the lipid-complexed platinum compound composition is greater than about 1.2 mg/ml.
    Type: Application
    Filed: May 16, 2008
    Publication date: May 21, 2009
    Applicant: Transave, Inc.
    Inventors: Frank G. Pilkiewicz, Roman Perez-Soler, Walter R. Perkins, Yiyu Zou, Mary E. Neville, Jin K. Lee, Vladimir Malinin
  • Publication number: 20090130193
    Abstract: One aspect of the invention relates to methods of treating cancer in a patient comprising administering intraperitoneally to a patient in need thereof a cancer treating effective amount of a composition comprising a lipid-complexed platinum compound wherein the concentration of the platinum compound of the lipid-complexed platinum compound composition is greater than about 1.2 mg/ml. Another aspect of the invention relates to lipid-complexed platinum compound compositions where the concentration of the platinum compound is greater than about 1.2 mg/ml.
    Type: Application
    Filed: May 16, 2008
    Publication date: May 21, 2009
    Applicant: Transave, Inc.
    Inventors: Frank G. Pilkiewicz, Roman Perez-Soler, Yiyu Zou, Walter R. Perkins, Jin K. Lee, Vladimir Malinin
  • Publication number: 20090105126
    Abstract: The present disclosure relates in part to methods of treating and prevention of pulmonary disorders in a subject in need thereof comprising administering to the subject a liposomal vancomycin compositions having low lipid to drug ratios and high concentration of vancomycin.
    Type: Application
    Filed: October 23, 2008
    Publication date: April 23, 2009
    Inventors: Xingong Li, Walter R. Perkins, Anthony Scotto, Mary E. Neville
  • Publication number: 20090104257
    Abstract: The present disclosure relates in part to liposomal vancomycin compositions having low lipid to drug ratios and high concentration of vancomycin. The present disclosure also relates in part to methods of making such compositions.
    Type: Application
    Filed: October 23, 2008
    Publication date: April 23, 2009
    Inventors: Xingong Li, Walter R. Perkins
  • Publication number: 20080131497
    Abstract: Compositions comprising DNase encapsulated in a liposome are provided. Additionally, provided are compositions comprising a free enzyme and empty liposomes, compositions comprising a free enzyme and an antiinfective encapsulated in a liposome, compositions comprising a free enzyme, a free-antiinfective, and empty liposomes, compositions comprising a free enzyme, a free antiinfective, and an antiinfective encapsulated in a liposome, and a composition comprising a free enzyme, empty liposomes, and an antiinfective encapsulated in a liposome, and compositions comprising a free enzyme, a free antiinfective, empty liposomes, an antiinfective encapsulated in a liposome, and pharmaceutical compositions comprising the aforementioned compositions. The Also provided are methods of treating pneumonia, bronchitis, cystic fibrosis, or emphysema comprising administering to a subject in need thereof a therapeutically effective amount of the aforementioned pharmaceutical composition.
    Type: Application
    Filed: September 28, 2007
    Publication date: June 5, 2008
    Inventors: Walter R. Perkins, Vladimir Malinin, Paul R. Meers
  • Patent number: 6086851
    Abstract: This invention provides a composition containing a sized liposome comprising a lipid and an inducer; the sized liposome has a diameter of at most about 1 micron and the inducer is present in an amount effective to induce interdigitation-fusion of the sized liposome. Also provided herein are interdigitation-fusion liposomes and gels, and methods of making the same.
    Type: Grant
    Filed: June 24, 1997
    Date of Patent: July 11, 2000
    Assignee: The Liposome Company, Inc.
    Inventors: Lawrence T. Boni, Andrew S. Janoff, Sharma R. Minchey, Walter R. Perkins, Christine E. Swenson, Patrick L. Ahl, Thomas S. Davis
  • Patent number: 5820848
    Abstract: This invention provides a composition containing a sized liposome comprising a lipid and an induce; the sized liposome has a diameter of at most about 1 micoron and the induces is present in an amount effective to induce interdigitation-fusion of the sized liposome. Also provided herein are interdigitation-fusion liposomes and gels, and methods of making the same.
    Type: Grant
    Filed: September 30, 1994
    Date of Patent: October 13, 1998
    Assignee: The Liposome Company, Inc.
    Inventors: Lawrence T. Boni, Andrew S. Janoff, Sharma R. Minchey, Walter R. Perkins, Christine E. Swenson, Patrick L. Ahl, Thomas S. Davis
  • Patent number: 5601104
    Abstract: A portable canopy is provided which is adapted to extend in an horizontal plane outward from the rear of a vehicle and which is supported and maintained in its erected position by the rear wheels of the vehicle. The canopy of the invention can be quickly disassembled or assembled and carried in a convenient package in the trunk or other storage facility of the vehicle and provides an easy-to-use stable awning for picnics or other events occurring proximate to the motor vehicle.
    Type: Grant
    Filed: January 22, 1996
    Date of Patent: February 11, 1997
    Assignee: The Hatteras Group
    Inventor: Walter R. Perkins
  • Patent number: 5398148
    Abstract: A protection circuit for high side drivers is dependent upon load impedance to operate. The protection circuit includes a plurality of transistors and resistors and also a capacitor. The circuit monitors the voltage drop across the emitter-collector junction of a transistor in order to turn the flow of current to the electronic module on or off.
    Type: Grant
    Filed: May 14, 1993
    Date of Patent: March 14, 1995
    Assignee: Chrysler Corporation
    Inventors: Walter R. Perkins, Randy T. Smith