Patents by Inventor Fergus Stuart McColl

Fergus Stuart McColl 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).

  • Polymer compositions
    Patent number: 6423805
    Abstract: The open time of a cementitious composition, such as a grout, may be increased by the incorporating therein, as a binder, a polymer composition comprising a film-forming copolymer formed by polymerization of a monomer mixture comprising 1 to 3% of at least one monomer selected from the group of monomers consisting of amides of &agr;,&bgr;-unsaturated C3 to C6 carboxylic acids and at least one hydroxy-(C1 to C8)alkyl (meth)acrylate monomer, wherein the total amount of these monomers is from 2 to 7.5% by weight of said monomer mixture.
    Type: Grant
    Filed: April 17, 2000
    Date of Patent: July 23, 2002
    Assignee: Rohm and Haas Company
    Inventors: Anne Margaret Bacho, Frederick Paul Hinz, Mark Alan Kesselmayer, Kathleen Anne Koziski, Meredith Ann Morgan, Lori Branham Pfahler, Fergus Stuart McColl