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Louis A Errede, James D Stoesz, George D Winter deceased: Composite wound dressing. Minnesota Mining and Manufacturing Company, Cruzan Alexander, Donald M Sell, Lorraine R Sherman, February 15, 1983: US04373519 (611 worldwide citation)

A composite wound dressing, optionally having controlled permeability, is highly absorbent toward blood and exudate and comprises a polytetrafluoroethylene fibril matrix, hydrophilic absorptive particles enmeshed in the matrix, and, optionally, a partially occlusive film coated on one surface of the ...


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Buren R Ree, Louis A Errede, Gary B Jefson, Bruce A Langager: Method of making polytetrafluoroethylene composite sheet. Minnesota Mining and Manufacturing Company, Cruzan Alexander, Donald M Sell, Richard Francis, May 8, 1979: US04153661 (196 worldwide citation)

A polytetrafluoroethylene composite sheet having a tensile strength of at least one megapascal and comprising particulate material distributed in a matrix of interentangled polytetrafluoroethylene fibrils. The composite sheet is prepared by blending the particulate material with polytetrafluoroethyl ...


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Louis A Errede, James D Stoesz, Jenny Upton: Water-swellable composite sheet of microfibers of PTFE and hydrophilic absorptive particles. Minnesota Mining and Manufacturing Company, Donald M Sell, James A Smith, Lorraine R Sherman, July 17, 1984: US04460642 (163 worldwide citation)

A composite sheet material is highly absorbent toward aqueous fluids including blood and exudate and comprises a polytetrafluoroethylene fibril matrix and hydrophilic absorptive particles enmeshed in the matrix. The composite sheet material is useful as a wound dressing, as a drying material for non ...


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Louis A Errede, James D Stoesz, George D Winter deceased: Method for making water-swellable composite sheet. Minnesota Mining and Manufacturing Company, Donald M Sell, James A Smith, Lorraine R Sherman, January 21, 1986: US04565663 (60 worldwide citation)

A method of preparing a tear-resistant composite sheet material having hydrophilic, absorptive particles enmeshed in a network of interlaced microfibrous polytetrafluoroethylene forming a fibril matrix, the hydrophilic absorptive particles having absorptive particles with absorptive capacity greater ...


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Donald F Hagen, Steven J St Mary, Louis A Errede: Method of preparing composite chromatographic article. Minnesota Mining and Manufacturing Company, Donald M Sell, Walter N Kirn, Lorraine R Sherman, November 20, 1990: US04971736 (55 worldwide citation)

A composite chromatographic sheet-like article is prepared by the steps comprising blending one or more non-swellable sorptive hydrophobic particulate materials in the presence of an amount of polar organic masking agent sufficient to allow rapid wetting of the surface of the particulate and in the ...


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Louis A Errede, Carol E Hendrickson, Dale R Anderson: Antifouling/anticorrosive composite marine structure. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn, Lorraine R Sherman, October 11, 1994: US05354603 (39 worldwide citation)

A composite marine structure comprises a marine substrate having adhered to at least a portion of its surface a layer of a water-permeable composite article comprising a non-woven fibrous web having entrapped therein active particulate to provide said marine substrate with protection against at leas ...


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Louis A Errede, George R Hunt: Immobilization of biological cells in polytetrafluoroethylene matrix. Minnesota Mining and Manufacturing Company, Donald M Sell, James A Smith, Lorraine R Sherman, February 2, 1988: US04722898 (38 worldwide citation)

A polytetrafluoroethylene (PTFE) fibril matrix is prepared containing entrapped viable cells such as animal, bacterial, fungal or yeast cells. Cells are blended with surfactant and soap-free PTFE in aqueous dispersion to form a damp paste. Water is added to the paste and a resultant stiff dough is b ...



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