Patents by Inventor Johannes A. Geraedts

Johannes A. Geraedts 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).

  • Composite proppant, composite filtration media and methods for making and using same
    Patent number: 6632527
    Abstract: Composite particles made of a binder and filler material are provided for use in subterranean formations. The filler is finely divided mineral and optional fiber. The particles are proppants useful to prop open subterranean formation fractures. The particles are also useful for water filtration and artificial turf for sports fields. Methods of making the composite particles are also disclosed.
    Type: Grant
    Filed: November 30, 1999
    Date of Patent: October 14, 2003
    Assignee: Borden Chemical, Inc.
    Inventors: Robert R. McDaniel, Johannes A. Geraedts
  • Low density composite proppant, filtration media, gravel packing media, and sports field media, and methods for making and using same
    Patent number: 6582819
    Abstract: Low density composite particles made of a binder and filler material are provided for use in subterranean formations. The filler includes low density filler and optionally other filler. The binder includes a polymer and optionally cement. The particles may be employed as proppants useful to prop open subterranean formation fractures. The particles are also useful for gravel packing in subterranean formations, water filtration and artificial turf for sports fields. Methods of making the composite particles are also disclosed.
    Type: Grant
    Filed: February 1, 2001
    Date of Patent: June 24, 2003
    Assignee: Borden Chemical, Inc.
    Inventors: Robert R. McDaniel, Johannes A. Geraedts
  • Composite proppant, composite filtration media and methods for making and using same
    Patent number: 6406789
    Abstract: Composite particles made of a resin and filler material are provided for use in subterranean formations. The filler is finely divided mineral and optional fiber. The particles are proppants useful to prop open subterranean formation fractures. The particles are also useful for water filtration. Methods of making the composite particles are also disclosed.
    Type: Grant
    Filed: May 22, 2000
    Date of Patent: June 18, 2002
    Assignee: Borden Chemical, Inc.
    Inventors: Robert R. McDaniel, Johannes A. Geraedts
  • Low density composite proppant, filtration media, gravel packing media, and sports field media, and methods for making and using same
    Publication number: 20020048676
    Abstract: Low density composite particles made of a binder and filler material are provided for use in subterranean formations. The filler includes low density filler and optionally other filler. The binder includes a polymer and optionally cement. The particles may be employed as proppants useful to prop open subterranean formation fractures. The particles are also useful for gravel packing in subterranean formations, water filtration and artificial turf for sports fields. Methods of making the composite particles are also disclosed.
    Type: Application
    Filed: February 1, 2001
    Publication date: April 25, 2002
    Inventors: Robert R. McDaniel, Johannes A. Geraedts