Patents by Inventor Francis P. Baldwin

Francis P. Baldwin 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 graft polymerization
    Patent number: 3933942
    Abstract: Aluminum trialkyl and aluminum dialkyl monohalide catalysts can be used to graft cationically polymerizable monomers, such as styrene, chloroprene, isobutylene, etc. to halogenated polymers with some highly reactive halogen atoms such as PVC, neoprene, chlorobutyl, etc.
    Type: Grant
    Filed: October 17, 1972
    Date of Patent: January 20, 1976
    Assignee: Exxon Research and Engineering Company
    Inventors: Joseph P. Kennedy, Francis P. Baldwin