Patents by Inventor James Clarence Day

James Clarence Day 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).

  • Process for manufacturing high purity methacrylic acid
    Publication number: 20090084667
    Abstract: A process is provided herein for the high yield production of high purity glacial methacrylic acid (“HPMAA”) that is substantially pure, specifically 99% pure or greater with a water content of 0.05% or less.
    Type: Application
    Filed: February 7, 2008
    Publication date: April 2, 2009
    Inventors: Keith Frederick Briegel, James Clarence Day, Michael Stanley DeCourcy, Donald Alan Ebert, Jamie Jerrick John Juliette
  • Process for manufacturing high purity methacrylic acid
    Patent number: 7128813
    Abstract: A process for the high yield production of high purity glacial methacrylic acid (“HPMAA”) with minimization of decomposition of hydroxy isobutyric acid (HIBA). The HPMAA is substantially pure, specifically 99% pure or greater with a water content of 0.05% or less. This improved process involves the steps of providing a crude MAA stream which was formed by hydrolyzing acetone cyanohydrin and, therefore, includes HIBA which is an intermediate product of the hydrolysis reaction, and purifying that crude methacrylic acid stream in a series of successive distillation steps.
    Type: Grant
    Filed: April 22, 2003
    Date of Patent: October 31, 2006
    Assignee: Rohm and Haas Company
    Inventors: Keith Frederick Briegel, James Clarence Day, Michael Stanley DeCourcy, Donald Alan Ebert, Jamie Jerrick John Juliette
  • Method for abatement of waste oxide gas emissions
    Publication number: 20040076567
    Abstract: The methods of the present invention relate to reducing and eliminating waste oxide gas emissions, produced by a first industrial process, by utilizing the emissions in a second industrial process that either is benefited by or tolerates the components of the waste oxide gas stream. These methods are applicable to numerous combinations of first industrial processes and second industrial processes.
    Type: Application
    Filed: October 7, 2003
    Publication date: April 22, 2004
    Inventors: James Clarence Day, Michael Stanley DeCourcy, Charles Michael Lonzetta, Ronald Eugene Myers
  • Process for manufacturing high purity methacrylic acid
    Publication number: 20030205451
    Abstract: A process is provided herein for the high yield production of high purity glacial methacrylic acid (“HPMAA”) that is substantially pure, specifically 99% pure or greater with a water content of 0.05% or less.
    Type: Application
    Filed: April 22, 2003
    Publication date: November 6, 2003
    Inventors: Keith Frederick Briegel, James Clarence Day, Michael Stanley DeCourcy, Donald Alan Ebert, Jamie Jerrick John Juliette
  • Process for inhibiting polymer formation in a vinyl monomer azeotropic dehydration process
    Publication number: 20030111331
    Abstract: An improved process is provided herein for the purification of polymerizable organic material, e.g., acrylic acid, by azeotropic distillation.
    Type: Application
    Filed: December 2, 2002
    Publication date: June 19, 2003
    Inventors: David Clark Chalfant, James Clarence Day, William Joseph Grieco
  • Process for preparing (meth) acrylic acid
    Patent number: 6500982
    Abstract: This invention relates to a process for preparing (meth)acrylic acid, whereby turndown control is utilized to maintain optimal distillation column performance in the dehydration of aqueous (meth)acrylic acid to provide a (meth)acrylic acid solution.
    Type: Grant
    Filed: June 13, 2000
    Date of Patent: December 31, 2002
    Assignee: Rohm and Haas Company
    Inventors: Timothy Allen Hale, Robert Michael Mason, Josefina Tseng Chapman, James Clarence Day, Chorng-Shyuan Tsay
  • Process for preparing (meth)acrylic acid
    Patent number: 6399817
    Abstract: This invention relates to a process for preparing acrylic acid which utilizes an aqueous stream which includes recycled wastewater, at least part of which is stripped of undesirable components in a stripping column prior to being recycled to an acrylic acid absorber.
    Type: Grant
    Filed: March 1, 2000
    Date of Patent: June 4, 2002
    Assignee: Rohm and Haas Company
    Inventors: Josefina Tseng Chapman, James Clarence Day, Donald Alan Ebert, Thomas Albert Kaminski, Robert Michael Mason, Chorng-Shyuan Tsay