Patents by Inventor Mark S. Solomon

Mark S. Solomon 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 preparing methylene diphenylamines by partial neutralization of acidic methylene diphenylamines
    Patent number: 6673970
    Abstract: Disclosed herein is a process for preparing a reaction product containing methylene diphenylamine, comprising reacting aniline and formaldehyde in the presence of an acid catalyst wherein the acid level of the resulting reaction mixture is reduced during digestion of the reaction mixture.
    Type: Grant
    Filed: December 29, 1999
    Date of Patent: January 6, 2004
    Assignee: Bayer Polymers LLC
    Inventors: Louis Renbaum, Mark S. Solomon, William D. Tippins
  • Process for preparing methylene diphenylamines by partial neutralization of acidic methylene diphenylamines
    Patent number: 6031136
    Abstract: Disclosed herein is a process for preparing a reaction product containing methylene diphenylamine, comprising reacting aniline and formaldehyde in the presence of an acid catalyst wherein the acid level of the resulting reaction mixture is reduced during digestion of the reaction mixture.
    Type: Grant
    Filed: July 21, 1993
    Date of Patent: February 29, 2000
    Assignee: Bayer Corporation
    Inventors: Louis Renbaum, Mark S. Solomon, William D. Tippins
  • Foam slabstock polyether polyols with improved scorch characteristics
    Patent number: 5169989
    Abstract: An improved process for preparing a polyether polyol of reduced scorching properties comprising buffering of the alkaline polyether polyol before heating to remove water, and the use of said polyether polyol to prepare flexible foam slabstocks.
    Type: Grant
    Filed: March 1, 1991
    Date of Patent: December 8, 1992
    Assignee: Miles Inc.
    Inventors: Alfred L. Peterson, Mark S. Solomon, Kenneth E. Reed, Edward P. Squiller