Patents by Inventor Lucille M. Sharf

Lucille M. Sharf 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).

  • Patent number: 6953615
    Abstract: A xerographic component having a substrate and thereover a coating with a thiophene-based material is set forth.
    Type: Grant
    Filed: June 28, 1999
    Date of Patent: October 11, 2005
    Assignee: Xerox Corporation
    Inventors: Edward L. Schlueter, Jr., James F. Smith, Lucille M. Sharf
  • Patent number: 6498918
    Abstract: A xerographic component including an intermediate transfer, fusing and/or biasing component, wherein one or more of each component may have a substrate and thereover a polymer coating with a thiophene filler dispersed or contained therein, and also an image forming apparatus for forming images on a recording medium having a charge-retentive surface to receive an electrostatic latent image thereon; a biasable component capable of receiving an electrical bias for charging one of a xerographic component or copy substrate surface; a development component to apply toner to the charge-retentive surface to develop the electrostatic latent image to form a developed image on the charge retentive surface; a transfer component to transfer the developed image from the charge retentive surface to a copy substrate; and a fuser component for fusing the developed image to a surface of the copy substrate, wherein at least one of the biasable component, transfer component and the fuser component have a) a substrate; and thereo
    Type: Grant
    Filed: June 28, 1999
    Date of Patent: December 24, 2002
    Assignee: Xerox Corporation
    Inventors: Edward L. Schlueter, Jr., James F. Smith, Lucille M. Sharf
  • Publication number: 20010008664
    Abstract: A xerographic component having a substrate and thereover a coating with a thiophene-based material is set forth.
    Type: Application
    Filed: June 28, 1999
    Publication date: July 19, 2001
    Inventors: EDWARD L. SCHLUETER, JAMES F. SMITH, LUCILLE M. SHARF
  • Patent number: 6201945
    Abstract: A polyimide film component useful as fusing films and having electrically conductive doped metal oxide fillers dispersed therein, the fusing film having a surface resistivity of from about 104 to about 1012 ohm/sq, and optionally provided on the polyimide film a conformable layer, or optionally in the following order, both a conformable intermediate layer and an outer release layer are provided on the polyimide film.
    Type: Grant
    Filed: January 8, 1998
    Date of Patent: March 13, 2001
    Assignee: Xerox Corporation
    Inventors: Edward L. Schlueter, Jr., Joseph Mammino, Gerald M. Fletcher, Donald S. Sypula, James F. Smith, Lucille M. Sharf, Robert M. Ferguson
  • Patent number: 5995796
    Abstract: A film component having a) a haloelastomer with halogenated monomers, polyorganosiloxane monomers, or both halogenated and polyorganosiloxane monomers, and b) a doped metal oxide, preferably antimony doped tin oxide, dispersed therein, wherein the film component is useful as components in xerographic processes.
    Type: Grant
    Filed: January 8, 1998
    Date of Patent: November 30, 1999
    Assignee: Xerox Corporation
    Inventors: Edward L. Schlueter, Jr., Joseph Mammino, Gerald M. Fletcher, Donald S. Sypula, James F. Smith, Lucille M. Sharf, Robert M. Ferguson
  • Patent number: 5985419
    Abstract: A polyurethane transfer component useful in intermediate transfer, bias transfer, and transfix applications, the polyurethane film having electrically conductive doped metal oxide fillers, the polyurethane film having a surface resistivity of from about 10.sup.4 to about 10.sup.16 ohm/sq, and optionally the polyurethane film is provided on a substrate, and optionally, an outer release layer is provided on the polyurethane layer.
    Type: Grant
    Filed: January 8, 1998
    Date of Patent: November 16, 1999
    Assignee: Xerox Corporation
    Inventors: Edward L. Schlueter, Jr., Joseph Mammino, Gerald M. Fletcher, Donald S. Sypula, James F. Smith, Lucille M. Sharf, Robert M. Ferguson
  • Patent number: 5942301
    Abstract: A seamed belt composed of: (a) a belt material including a polyimide and having two ends, each end having a plurality of mating elements, the two ends being joined to form a seam having the mating elements of the two ends in an interlocking relationship where the interlocked mating elements define a space between the interlocked mating elements; and (b) an adhesive present in the space between the interlocked mating elements, wherein the adhesive is selected from the group consisting of: (i) a polyvinyl butyral composition including: a terpolymer of polyvinyl butyral, polyvinyl alcohol, and polyvinyl acetate, and a plasticizer; (ii) a polyurethane composition including a polyester polyurethane polymer; and (iii) a blended composition including an acrylonitrile and butadiene copolymer and a phenol formaldehyde polymer.
    Type: Grant
    Filed: January 20, 1998
    Date of Patent: August 24, 1999
    Assignee: Xerox Corporation
    Inventors: Edward L. Schlueter, Jr., Laurence J. Lynd, Lucille M. Sharf, Robert M. Ferguson, Joseph Mammino
  • Patent number: 5922440
    Abstract: A polyimide film component useful in intermediate transfer, bias transfer, and transfix applications, the polyimide film having electrically conductive doped metal oxide fillers dispersed therein, the polyimide film having a surface resistivity of from about 10.sup.6 to about 10.sup.14 ohm/sq, and optionally provided on the polyimide film an outer layer, or in the following order both a conformable intermediate layer and an outer release layer.
    Type: Grant
    Filed: January 8, 1998
    Date of Patent: July 13, 1999
    Assignee: Xerox Corporation
    Inventors: Edward L. Schlueter, Jr., Joseph Mammino, Gerald M. Fletcher, Donald S. Sypula, James F. Smith, Lucille M. Sharf, Robert M. Ferguson
  • Patent number: 5876636
    Abstract: A composition having a) a haloelastomer with halogenated monomers, polyorganosiloxane monomers, or both halogenated and polyorganosiloxane monomers, and b) a doped metal oxide, preferably antimony doped tin oxide, dispersed or contained therein, wherein the composition can be formed into films or outer layers of components useful in xerographic processes.
    Type: Grant
    Filed: January 8, 1998
    Date of Patent: March 2, 1999
    Assignee: Xerox Corporation
    Inventors: Edward L. Schlueter, Jr., Joseph Mammino, Gerald M. Fletcher, Donald S. Sypula, James F. Smith, Lucille M. Sharf, Robert M. Ferguson
  • Patent number: 5814566
    Abstract: There is disclosed a belt assembly including: (a) an endless belt capable of repeated cycling over rollers having a first side edge and a second side edge and defining a center region between two side regions, wherein a low friction composition comprised of a fluoropolymer covers a portion of the length of the first side edge; and (b) a belt guide apparatus which contacts the first side edge during cycling of the belt to position the belt on the rollers, wherein the low friction composition reduces the wear of the belt at the first side edge.
    Type: Grant
    Filed: March 6, 1997
    Date of Patent: September 29, 1998
    Assignee: Xerox Corporation
    Inventors: Edward L. Schlueter, Jr., Lucille M. Sharf, Kevin J. Teed
  • Patent number: 5721032
    Abstract: An endless flexible seamed belt formed by joining two ends of material from which the belt is fabricated each end of which has a plurality of mutually mating elements in a puzzle cut pattern which are in interlocking relationship to prevent separation of the ends and which form a seam when joined mechanically to enable the flexible belt to essentially function as an endless belt having a substantially uniform thickness, said seam having voids between mutually mating elements at least partially filled with a seam strength enhancing material which is chemically and physically compatible with the material from which the belt is fabricated and which substance applied as a strip or on a strip over the seam and is bound to said belt material, said bond having been formed by the application of heat and/or pressure to a strip of said compatible placed material on at least one side of the seam at least substantially covering the seam.
    Type: Grant
    Filed: August 31, 1995
    Date of Patent: February 24, 1998
    Assignee: Xerox Corporation
    Inventors: Thomas C. Parker, Edward L. Schlueter, Jr., Laurence J. Lynd, Lucille M. Sharf
  • Patent number: 5656720
    Abstract: A polyurethane elastomer obtained by the reaction of a polytetramethylene ether glycol having the formula HO[(CH.sub.2).sub.4 O].sub.n H where n is from 10 to 60, preferably 55 to 60, and from about 20 to about 95 parts preferably 22 to 26 parts, by weight per 100 parts by weight of said glycol of a diisocyanate selected from the group consisting of diphenylmethane diisocyanates, toluene diisocyanates, naphthalene diisocyanates and blends thereof and a sufficient amount of cross linking agents to provide a crosslinked elastomer, said cross linking agents comprising a mixture of from about 75% to 60% by weight of a diol having the formula HO(R.sub.1) OH where R.sub.1 is a straight or branched chain alkyl group having from 2 to 12 carbon atoms and from about 25% to 40% by weight of a triol having the formula R'--C--[(OH).sub.a (CH.sub.2 OH).sub.b ] where R' is H, CH.sub.3 or C.sub.2 H.sub.5, a is 0 or 1, b is 2 or 3 and a+b=3.
    Type: Grant
    Filed: September 30, 1991
    Date of Patent: August 12, 1997
    Assignee: Xerox Corporation
    Inventors: Edward L. Schlueter, Jr., James F. Smith, Lucille M. Sharf
  • Patent number: 5514436
    Abstract: An endless flexible seamed belt with a mechanically invisible seam and substantially equivalent in performance to a seamless belt is formed by joining two ends of material from which the belt is fabricated each end of which has a plurality of mutually mating elements in a puzzle cut pattern which are in interlocking relationship in at least one plane and which when joined mechanically enable the flexible belt to essentially function as an endless belt having a substantially uniform thickness.
    Type: Grant
    Filed: August 29, 1994
    Date of Patent: May 7, 1996
    Assignee: Xerox Corporation
    Inventors: Edward L. Schlueter, Jr., Thomas C. Parker, Robert M. Ferguson, Robert N. Finsterwalder, Lucille M. Sharf, Laurence J. Lynd, David Battat
  • Patent number: 5487707
    Abstract: An endless flexible seamed belt formed by joining two ends of material from which the belt is fabricated each end of which has a plurality of mutually mating elements in a puzzle cut pattern the opposite surfaces of which are in interlocking relationship to prevent separation of the ends and which form a seam when joined mechanically to enable the seamed flexible belt to essentially function as an endless belt having a substantially uniform thickness, said seam having voids between the surfaces of mutually mating elements, the opposite surfaces of the puzzle cut pattern being bound by an adhesive which has been cured by exposure to ultraviolet radiation and joined together to enable the seamed flexible belt to essentially function as an endless belt.
    Type: Grant
    Filed: August 29, 1994
    Date of Patent: January 30, 1996
    Assignee: Xerox Corporation
    Inventors: Lucille M. Sharf, Laurence J. Lynd, James F. Smith, Edward L. Schlueter, Jr.
  • Patent number: 5468834
    Abstract: A sheet registration device including a hub having an axis of rotation and a plurality of resilient plastic blades arranged in radial planes passing through said axis and extending in the direction of said axis beyond one end of the hub towards sheet-engaging tips lying in a common plane normal to said axis said blade being made of a polyurethane elastomer obtained by the reaction of a polytetramethylene ether glycol having the formula HO[(CH.sub.2).sub.4 O].sub.n H where n is from 8 to 41, preferably 39 to 41, and from about 20 to about 95 parts preferably 22 to 26 parts by weight per 100 parts by weight of said glycol of a diisocyanate selected from the group consisting of diphenylmethane diisocyanates, toluene diisocyanates, naphthalene diisocyanates and blends thereof and a sufficient amount of cross linking agents to provide a crosslinked elastomer, said cross linking agents comprising a mixture of from about 75% to 60% by weight of a diol having the formula: HO(R.sub.1) OH where R.sub.
    Type: Grant
    Filed: September 30, 1991
    Date of Patent: November 21, 1995
    Assignee: Xerox Corporation
    Inventors: Robert N. Finsterwalder, Richard L. Carlston, Edward L. Schlueter, Jr., Lucille M. Sharf
  • Patent number: 5424813
    Abstract: A roller for increasing the rate of permeability of liquid carrier from an image formed from a liquid developer comprised of toner particles and liquid carrier. Perforations formed through the skin covering of the blotter roller provide high quality transfer of an image having maximum toner particles and minimal liquid carrier to a final copy sheet, at an increased process speed.
    Type: Grant
    Filed: May 23, 1994
    Date of Patent: June 13, 1995
    Assignee: Xerox Corporation
    Inventors: Edward L. Schlueter, Jr., Lucille M. Sharf, Joseph Mammino, Jerome P. Chasko, Christine J. Tarnawskyj
  • Patent number: 5194558
    Abstract: A disk stacker for inverting and stacking sheets has a stacking tray and registration member and a paddle wheel wiper having semicircular blades made of a polyurethane elastomer obtained by the reaction of a polytetramethylene ether glycol having the formula HO[(CH.sub.2).sub.4 O].sub.n H where n is from 10 to 60, preferably 55 to 60, and from about 20 to about 95 parts preferably 22 to 26 parts, by weight per 100 parts by weight of said glycol of a diisocyanate selected from the group consisting of diphenylmethane diisocyanates, toluene diisocyanates, naphthalene diisocyanates and blends thereof and a sufficient amount of cross linking agents to provide a crosslinked elastomer, said cross linking agents comprising a mixture of from about 75% to 60% by weight of a diol having the formula HO(R.sub.1)OH where R.sub.1 is a straight or branched chain alkyl group having from 2 to 12 carbon atoms and from about 25% to 40% by weight of a triol having the formula: R'--C--[(OH).sub.a (CH.sub.2 OH).sub.
    Type: Grant
    Filed: September 30, 1991
    Date of Patent: March 16, 1993
    Assignee: Xerox Corporation
    Inventors: Richard L. Carlston, Edward L. Schlueter, Jr., Lucille M. Sharf
  • Patent number: 5157098
    Abstract: An apparatus for cleaning an imaging member has a blade holder and a blade made of a polyurethane elastomer obtained by the reaction of a polytetramethylene ether glycol having the formula HO[(CH.sub.2).sub.4 O].sub.n H where n is from 10 to 60, preferably 55 to 60, and from about 20 to about 95 parts preferably 22 to 26 parts, by weight per 100 parts by weight of said glycol of a diisocyanate selected from the group consisting of diphenylmethane diisocyanates, toluene diisocyanates, naphthalene diisocyanates and blends thereof and a sufficient amount of cross linking agents to provide a crosslinked elastomer, said cross linking agents comprising a mixture of from about 75% to 60% by weight of a diol having the formula HO(R.sub.1)OH where R.sub.1 is a straight or branched chain alkyl group having from 2 to 12 carbon atoms and from about 25% to 40% by weight of a triol having the formula: R'--C--[(OH).sub.a (CH.sub.2 OH).sub.b ] where R' is H, CH.sub.3 or C.sub.2 H.sub.5, a is 0 or 1, b is 2 or 3 and a+b=3.
    Type: Grant
    Filed: September 30, 1991
    Date of Patent: October 20, 1992
    Assignee: Xerox Corporation
    Inventors: Nero R Lindblad, Herbert C. Relyea, Crystal A. Martin, James F. Smith, Lucille M. Sharf, Edward L. Schlueter, Jr.
  • Patent number: 5142016
    Abstract: A sheet handling apparatus for stacking successive sheets has a stacking tray, registration gate and a scuffer paddle wheel made of a polyurethane elastomer obtained by the reaction of a polytetramethylene ether glycol having the formula HO[(CH.sub.2).sub.4 O].sub.n H where n is from 10 to 60, preferably 55 to 60, and from about 20 to about 95 parts preferably 22 to 26 parts, by weight per 100 parts by weight of said glycol of a diisocyanate selected from the group consisting of diphenylmethane diisocyanates, toluene diisocyanates, naphthalene diisocyanates and blends thereof and a sufficient amount of cross linking agents to provide a crosslinked elastomer, said crosslinking agents comprising a mixture of from about 75% to 60% by weight of diol having the formula HO(R.sub.1)OH where R.sub.1 is a straight or branched chain alkyl group having from 2 to 12 carbon atoms and from about 25% to 40% by weight of a triol having the formula:R'--C[(OH).sub.a (CH.sub.2 OH).sub.b ]where R' is H, CH.sub.3 or C.sub.2 H.
    Type: Grant
    Filed: September 30, 1991
    Date of Patent: August 25, 1992
    Assignee: Xerox Corporation
    Inventors: Lucille M. Sharf, Edward L. Schlueter, Jr., Richard E. Carlston