Patents by Inventor Keith Branham

Keith Branham 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).

  • PHOSPHORUS-CONTAINING COMPOUNDS WITH POLYMERIC CHAINS, AND METHODS OF MAKING AND USING THE SAME
    Publication number: 20130023688
    Abstract: The present invention relates to novel phosphorus-containing compounds with polymeric chains, and methods of making and using the same. In part, subject compositions containing phosphorus-containing compounds with polymeric chains and a therapeutic agent, and methods of making and using the same, are described. Certain of the subject compositions exhibit reverse thermal gelation.
    Type: Application
    Filed: July 24, 2012
    Publication date: January 24, 2013
    Applicant: Eisai Inc.
    Inventors: Keith Branham, Mahesh V. Chaubal, James P. English, Donna Hall, Zhong Zhao
  • Biodegradable Drug Delivery Composition
    Publication number: 20120225033
    Abstract: The present disclosure provides a biodegradable drug delivery composition including a vehicle and an insoluble component comprising beneficial agent dispersed in the vehicle. Typically, the composition is not an emulsion, but has a low viscosity and further provides for minimized initial burst and sustained release of the beneficial agent over time. Also provided, are kits including the biodegradable drug delivery composition or components thereof, as well as methods of making and using the biodegradable drug delivery composition.
    Type: Application
    Filed: November 23, 2011
    Publication date: September 6, 2012
    Inventors: William W. van Osdol, Su il Yum, Felix Theeuwes, Michael Sekar, John Gibson, Keith Branham, Huey-Ching Su
  • Phosphorus-containing compounds with polymeric chains, and methods of making and using the same
    Patent number: 8258255
    Abstract: The present invention relates to novel phosphorus-containing compounds with polymeric chains, and methods of making and using the same. In part, subject compositions containing phosphorus-containing compounds with polymeric chains and a therapeutic agent, and methods of making and using the same, are described. Certain of the subject compositions exhibit reverse thermal gelation.
    Type: Grant
    Filed: January 22, 2010
    Date of Patent: September 4, 2012
    Assignee: Eisai Inc.
    Inventors: Keith Branham, Mahesh V. Chaubal, James P. English, Donna Hall, Zhong Zhao
  • Phosphorus-Containing Compounds with Polymeric Chains, and Methods of Making and Using the Same
    Publication number: 20100267924
    Abstract: The present invention relates to novel phosphorus-containing compounds with polymeric chains, and methods of making and using the same. In part, subject compositions containing phosphorus-containing compounds with polymeric chains and a therapeutic agent, and methods of making and using the same, are described. Certain of the subject compositions exhibit reverse thermal gelation.
    Type: Application
    Filed: January 22, 2010
    Publication date: October 21, 2010
    Applicant: Eisai Inc.
    Inventors: Keith Branham, Mahesh V. Chaubal, James P. English, Donna Hall, Zhong Zhao
  • Phosphorus-containing compounds with polymeric chains, and methods of making and using the same
    Patent number: 7674875
    Abstract: The present invention relates to novel phosphorus-containing compounds with polymeric chains, and methods of making and using the same. In part, subject compositions containing phosphorus-containing compounds with polymeric chains and a therapeutic agent, and methods of making and using the same, are described. Certain of the subject compositions exhibit reverse thermal gelation.
    Type: Grant
    Filed: January 16, 2009
    Date of Patent: March 9, 2010
    Assignee: Eisai Inc.
    Inventors: Keith Branham, Mahesh V. Chaubal, James P. English, Donna Hall, Zhong Zhao
  • Phosphorus-Containing Compounds with Polymeric Chains, and Methods of Making and Using the Same
    Publication number: 20090247778
    Abstract: The present invention relates to novel phosphorus-containing compounds with polymeric chains, and methods of making and using the same. In part, subject compositions containing phosphorus-containing compounds with polymeric chains and a therapeutic agent, and methods of making and using the same, are described. Certain of the subject compositions exhibit reverse thermal gelation.
    Type: Application
    Filed: January 16, 2009
    Publication date: October 1, 2009
    Applicant: Eisai Corporation of North America
    Inventors: Keith Branham, Mahesh V. Chaubal, James P. English, Donna Hall, Zhong Zhao
  • Phosphorous-containing compounds with polymeric chains, and methods of making and using the same
    Patent number: 7479535
    Abstract: The present invention relates to novel phosphorus-containing compounds with polymeric chains, and methods of making and using the same. In part, subject compositions containing phosphorus-containing compounds with polymeric chains and a therapeutic agent, and methods of making and using the same, are described. Certain of the subject compositions exhibit reverse thermal gelation.
    Type: Grant
    Filed: February 25, 2003
    Date of Patent: January 20, 2009
    Assignee: Guilford Pharmaceuticals, Inc.
    Inventors: Keith Branham, Mahesh V. Chaubal, James P. English, Donna Hall, Zhong Zhao
  • Phosphorous-containing compounds with polymeric chains, and methods of making and using the same
    Publication number: 20050182236
    Abstract: The present invention relates to novel phosphorus-containing compounds with polymeric chains, and methods of making and using the same. In part, subject compositions containing phosphorus-containing compounds with polymeric chains and a therapeutic agent, and methods of making and using the same, are described. Certain of the subject compositions exhibit reverse thermal gelation.
    Type: Application
    Filed: February 25, 2003
    Publication date: August 18, 2005
    Applicant: Guilford Pharmaceuticals, Inc.
    Inventors: Keith Branham, Mahesh Chaubal, James English, Donna Hall, Zhong Zhao
  • Polymers and polymerization processes
    Patent number: 6455665
    Abstract: The present invention provides improved processes for purifying polymer preparations by removing contaminants, such as metal contaminants. The present invention also provides improved processes for producing phosphopolymers, which can yield improved polymers in terms of molecular weight, homogeneity, consistency and purity. Polymers and polymer preparations also are provided. The present invention is time, labor and energy efficient, and thus marks an improvement over past approaches.
    Type: Grant
    Filed: June 21, 2001
    Date of Patent: September 24, 2002
    Assignee: Guilford Pharmaceuticals Inc.
    Inventors: Deborah Barnette, James English, Keith Branham, Donna Hall, Reuben Land, Doug Mink, Zhong Zhao
  • Polymers and polymerization processes
    Publication number: 20020028911
    Abstract: The present invention provides improved processes for purifying polymer preparations by removing contaminants, such as metal contaminants. The present invention also provides improved processes for producing phosphopolymers, which can yield improved polymers in terms of molecular weight, homogeneity, consistency and purity. Polymers and polymer preparations also are provided. The present invention is time, labor and energy efficient, and thus marks an improvement over past approaches.
    Type: Application
    Filed: June 21, 2001
    Publication date: March 7, 2002
    Inventors: Deborah Barnette, James English, Keith Branham, Donna Hall, Reuben Land, Doug Mink, Zhong Zhao