Patents by Inventor George Lock

George Lock 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).

  • Method for creping fibrous webs
    Patent number: 5833806
    Abstract: A method for creping fibrous webs comprises: (1) applying to a drying surface for the fibrous web a polyamine/epihalohydrin resin creping adhesive; (2) applying a creping release agent that is a plasticizer for the polyamine/epihalohydrin resin and has a swelling ratio of at least 0.10 and a solubility parameter of greater than 20 MPa.sup.1/2 ; (3) pressing the fibrous web against the drying surface to adhere the web to the drying surface, and (4) dislodging the web from the drying surface with a creping device to crepe the fibrous web.
    Type: Grant
    Filed: April 30, 1997
    Date of Patent: November 10, 1998
    Assignee: Hercules Incorporated
    Inventors: Anthony John Allen, George Lock
  • Creping release agents
    Patent number: 5660687
    Abstract: A composition for creping fibrous webs comprises (1) a polyamine/epihalohydrin resin creping adhesive, and (2) a creping release agent that is a plasticizer for the polyamine/epihalohydrin resin and has a swelling ratio of at least 0.10 and a solubility parameter >20 MPa.sup.1/2. Also disclosed is a process for creping fibrous webs in which the creping adhesive and the release agent can be applied together or separately to a drying surface for the fibrous web.
    Type: Grant
    Filed: May 6, 1996
    Date of Patent: August 26, 1997
    Assignee: Hercules Incorporated
    Inventors: Anthony John Allen, George Lock