Patents by Inventor Daniel C. Cook

Daniel C. Cook 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).

  • Polymeric reagents comprising a ketone or a related functional group
    Patent number: 8865149
    Abstract: Polymeric reagents comprising a polymer attached, either directly or through one or more atoms, to a ketone or a related functional group such as ketone hydrate, thione, monothiohydrate, dithiohydrate, hemiketal, monothiohemiketal, dithiohemiketal, ketal, or dithioketal are provided. The polymeric reagents are useful for, among other things, forming polymer-active agent conjugates. Related methods, compositions, preparations, and so forth are also provided.
    Type: Grant
    Filed: March 6, 2007
    Date of Patent: October 21, 2014
    Assignee: Nektar Therapeutics
    Inventors: Samuel P. McManus, Antoni Kozlowski, Xiaoming Shen, Daniel C. Cook
  • Equalization of pressure in an electronically controlled valve
    Patent number: 7845370
    Abstract: Disclosed herein is an electronically controlled valve. The electronically controlled valve includes a valve body and a spool. The valve body includes at least one fluid inlet port, at least one fluid outlet port, an upper cavity, and a lower cavity. The spool is disposed within the valve body. The spool includes a first end and an opening. The opening allows the lower cavity to be in fluid communication with the upper cavity.
    Type: Grant
    Filed: September 21, 2007
    Date of Patent: December 7, 2010
    Assignee: Enfield Technologies, LLC
    Inventors: Daniel C. Cook, Blake D. Carter, Roger Edwin Howe
  • Equalization of pressure in an electronically controlled valve
    Publication number: 20080099087
    Abstract: Disclosed herein is an electronically controlled valve. The electronically controlled valve includes a valve body and a spool. The valve body includes at least one fluid inlet port, at least one fluid outlet port, an upper cavity, and a lower cavity. The spool is disposed within the valve body. The spool includes a first end and an opening. The opening allows the lower cavity to be in fluid communication with the upper cavity.
    Type: Application
    Filed: September 21, 2007
    Publication date: May 1, 2008
    Inventors: Daniel C. Cook, Blake D. Carter, Roger Edwin Howe
  • Polymeric reagents comprising a ketone or a related functional group
    Patent number: 7208145
    Abstract: Polymeric reagents comprising a polymer attached, either directly or through one or more atoms to a ketone or a related functional group such as ketone hydrate, thione, monothiohydrate, dithiohydrate, hemiketal, monothiohemiketal, dithiohemiketal, ketal, or dithioketal are provided. The polymeric reagents are useful for, among other things, forming polymer-active agent conjugates. Related methods, compositions, preparations, and so forth are also provided.
    Type: Grant
    Filed: December 31, 2003
    Date of Patent: April 24, 2007
    Assignee: Nektar Therapeutics AL, Corporation
    Inventors: Samuel P. McManus, Antoni Kozlowski, Xiaoming Shen, Daniel C. Cook