| Patent Number |
Title Of Patent |
Date Issued |
| RE37756 |
Fuser members overcoated with fluorocarbon elastomer containing aluminum oxide |
June 18, 2002 |
| A fuser member useful for heat-fixing an electrographic toner to a substrate. The fuser member has a core and a layer overlying the core. That layer includes a cured fluorocarbon random copolymer having subunits with the general structures: ##STR1##where x is from 30 to 90 mole perce |
| 7371492 |
Vinyl polymer photoconductive elements |
May 13, 2008 |
| The present invention is a photoconductive element that includes an electrically conductive support, an electrical barrier layer disposed over said electrically conductive support, and disposed over said barrier layer, a charge generation layer capable of generating positive charge c |
| 7341790 |
Toner fuser member with release layer formed from silsesquioxane-phenolic resin composition |
March 11, 2008 |
| A toner fuser member contains a substrate on which is disposed a toner release surface layer formed from a composition that includes a silsesquioxane and a curable phenolic resin. On curing, the composition forms an interpenetrating polymer network of the silsesquioxane and phenolic |
| 7268363 |
Photosensitive organic semiconductor compositions |
September 11, 2007 |
| The present invention relates to a photosensitive organic semiconductor composition comprising an organic p-type semiconductor pigment with a p-type conducting polymer, wherein the ionization potentials of the organic p-type semiconductor pigment and the p-type conducting polymer are |
| 7267915 |
Photoconductive element having an amorphous polymeric barrier layer |
September 11, 2007 |
| This invention relates to electrophotography and to amorphous condensation polymers comprising a polyester-co-imide, polyester-co-imide, polyesterionomer-co-imide, or polyamide-co-imide as a polymeric electrical charge barrier layer. |
| 7252873 |
Electrostatographic apparatus having transport member with high friction layer |
August 7, 2007 |
| A method for forming a receiver transport member for an electrostatographic reproduction apparatus. The transport member transports receiver members with respect to a fuser assembly and is frictional coupled to a transfer member for driving the transfer member. The method for forming |
| 7120380 |
Electrostatographic apparatus having transport member with release oil-absorbing layer |
October 10, 2006 |
| An electrostatographic reproduction apparatus includes: a primary imaging member for producing an electrostatic latent image on a receiver, a development station for applying toner particles to the latent image to form a developed toner image on the receiver, a fuser assembly for fixing |
| 6866977 |
Photoconductive elements having a polymeric barrier layer |
March 15, 2005 |
| Disclosed are photoconductive elements including a conductive support, e.g., an electrically conductive film, drum, or belt, on which a negatively chargeable photoconductive layer is disposed. An electrical barrier layer is disposed between the conductive support and the photoconduct |
| 6593046 |
Photoconductive elements having a polymeric barrier layer |
July 15, 2003 |
| Disclosed are photoconductive elements including a conductive support, e.g., an electrically conductive film, drum, or belt, on which a negatively chargeable photoconductive layer is disposed. An electrical barrier layer is disposed between the conductive support and the photoconduct |
| 6207243 |
Fuser member with mercapto-treated Al2O3 filler |
March 27, 2001 |
| A fuser member having an outermost layer comprising a fluoroelastomer with thermally conductive fillers treated with a mercapto-functionalized silane coupling agent that is interactive with a fluoroelastomer to provide a fuser roller surface of decreased toner offset and abrasion and inc |
| 6187491 |
Electrophotographic charge generating element containing acid scavenger in overcoat |
February 13, 2001 |
| Electrophotographic charge generating elements comprise a solid electrolyte layer having improved image discrimination. The solid electrolyte layer includes a complex of a silsesquioxane and a charge carrier, and further includes nondiffusible acid scavengers in an amount of at least 0.2 |
| 6066425 |
Electrophotographic charge generating element containing primer layer |
May 23, 2000 |
| Electrophotographic charge generating elements comprise a solid electrolyte layer having improved image discrimination and layer adhesion. The solid electrolyte layer includes a complex of a silsesquioxane and a charge carrier, and is adhered to an underlying photoconductor layer using a |
| 5989767 |
Carrier particles for electrostatographic developers |
November 23, 1999 |
| Carrier particles for developers used in electrostatographic imaging processes such as electrophotography comprise core particles such as strontium ferrite having a coating that comprises a silicone resin admixed with an alkali metal salt of an organic acid. The novel carrier particles |
| 5778295 |
Toner fusing belt and method of using same |
July 7, 1998 |
| A fusing belt for thermoplastic electrostatographic toner comprises a seamless polyimide resin belt having an intermediate layer of a highly crosslinked silicone resin, which preferably contains a surfactant, and a surface layer of a silsesquioxane polymer, which also preferably contains |
| 5605750 |
Microporous ink-jet recording elements |
February 25, 1997 |
| An opaque image-recording element for an ink-jet printer which comprises an opaque substrate having on at least one surface thereof a lower layer of a solvent-absorbing microporous material which comprises:(a) a matrix of substantially water-insoluble thermoplastic organic polymer;(b) fi |
| 5595823 |
Fuser members overcoated with fluorocarbon elastomer containing aluminum oxide |
January 21, 1997 |
| A fuser member useful for heat-fixing an electrographic toner to a substrate. The fuser member has a core and a layer overlying the core. That layer includes a cured fluorocarbon random copolymer having subunits with the general structures: ##STR1## where x is from 30 to 90 mole |
| 5587245 |
Fusing member having zinc oxide-filled, addition cured layer |
December 24, 1996 |
| A fuser member having a core and a layer overlying the core. The layer includes: an addition crosslinked polyorganosiloxane elastomer, and zinc oxide particles dispersed therein in a concentration of from 5 to 40 percent of the total volume of the layer. |
| 5563202 |
Tin oxide filled dimethylsiloxane-fluoroalkylsiloxane fuser roll for fixing toner to a substrate |
October 8, 1996 |
| A fuser member useful for heat-fixing an electrographic toner to a substrate, a composition of matter and a preparation method. The fuser member has a core and a base cushion layer overlying the core. The base cushion layer includes a crosslinked poly(dimethylsiloxane-fluoroalkylsilo |
| 5480725 |
Fusing member having tin-filled, addition cured layer |
January 2, 1996 |
| A fuser member having a core and a layer overlying the core. The layer includes: an addition crosslinked polyorganosiloxane elastomer, and tin oxide particles dispersed therein in a concentration of from 20 to 40 percent of the total volume of the layer. |
| 5480724 |
Fuser roll for fixing toner to a substrate comprising tin oxide fillers |
January 2, 1996 |
| The invention provides a fuser roll useful for heat-fixing an electrographic toner to a substrate, wherein the roll comprises a core having thereon a base cushion layer comprising a condensation-crosslinked poly(dimethylsiloxane) elastomer, characterized in that the base cushion laye |
| 5474852 |
Tin oxide filled diphenylsiloxane-dimethylsiloxane fuser member for fixing toner to a substrate |
December 12, 1995 |
| A fuser member having a core and a layer overlying said core. The layer comprises a crosslinked polydiphenylsiloxane-poly(dimethylsiloxane) elastomer having tin oxide particles dispersed therein in a concentration of from 20 to 40 percent of the total volume of the layer. |
| 5466533 |
Zinc oxide filled diphenylsiloxane-dimethylsiloxane fuser member for fixing toner to a substrate |
November 14, 1995 |
| A fuser member comprising a core and a layer overlying said core. The layer comprises a crosslinked polydiphenylsiloxane-poly(dimethylsiloxane) elastomer having zinc oxide particles dispersed therein in a concentration of from 20 to 40 percent of the total volume of the layer. |
| 5466533 |
Zinc oxide filled diphenylsiloxane-dimethylsiloxane fuser member for fixing toner to a substrate |
November 14, 1995 |
| A fuser member comprising a core and a layer overlying said core. The layer comprises a crosslinked polydiphenylsiloxane-poly(dimethylsiloxane) elastomer having zinc oxide particles dispersed therein in a concentration of from 20 to 40 percent of the total volume of the layer. |
| 5464703 |
Tin oxide filled dimethylsiloxane-fluoroalkylsiloxane fuser roll for fixing toner to a substrate |
November 7, 1995 |
| A fuser member useful for heat-fixing an electrographic toner to a substrate, a composition of matter and a preparation method. The fuser member has a core and a base cushion layer overlying the core. The base cushion layer includes a crosslinked poly(dimethylsiloxane-fluoroalkylsilo |
| 5464698 |
Fuser members overcoated with fluorocarbon elastomer containing tin oxide |
November 7, 1995 |
| A fuser member useful for heat-fixing an electrographic toner to a substrate. The fuser member has a core and a layer overlying the core. That layer includes a cured fluorocarbon random copolymer having subunits with the general structures:and ##STR1## where x is from 30 to 90 mo |
| 5306774 |
Miscible blends of poly(alkylene oxide) vinyl carboxylic ester polymers and acidic functional po |
April 26, 1994 |
| A miscible blend comprising (a) a poly(alkylene oxide) vinyl carboxylic ester polymer and (b) a polymer bearing acidic functional groups has been discovered, with the blend being employable as a protective coating, membrane or film exhibiting good mechanical stablility and chemical r |
| 5292562 |
Fuser roll for fixing toner to a substrate |
March 8, 1994 |
| The invention provides a fuser roll useful for heat-fixing an electrographic toner to a substrate, wherein the roll comprises a core having thereon a base cushion layer comprising a condensation-crosslinked poly(dimethylsiloxane) elastomer, characterized in that the base cushion laye |
| 5269740 |
Fuser roll for fixing toner to a substrate |
December 14, 1993 |
| A fuser roll useful for heat-fixing an electrographic toner to a substrate, wherein the roll comprises a core having thereon a base cushion layer comprising a condensation-crosslinked poly(dimethylsiloxane) elastomer, characterized in that the base cushion layer has copper oxide particle |
| 5250626 |
Miscible blends of polyphosphazenes and acidic functional polymers |
October 5, 1993 |
| There are disclosed miscible blends of etheric polyphosphazenes and polymers bearing acidic functional groups such as poly(vinylphenol) or polymers containing acrylic acid. |
| 5248339 |
Fusing member comprising fluorine-containing elastomers useful in electrostatography |
September 28, 1993 |
| An electrostatographic toner fusing member having a support and a layer containing a crosslinked polyfluorophosphazene elastomer with thermally conductive filler particles. This fusing member is used in a device for fusing electrostatographic toner materials to a substrate which device |
| 5190819 |
Fibers formed of blends of etheric phosphazene polymers and metal oxides and the method of their |
March 2, 1993 |
| The invention provides fibers formed of a blend of metal oxide, such as titanium or zirconium oxide, with etheric phosphazene. The invention optionally contains salt for antistatic fibers. The composition of the invention is formed by preparing solutions of etheric phosphazene and in |
| 5174923 |
Cyclic phosphazene and salt antistatic composition |
December 29, 1992 |
| The present invention provides an antistatic composition comprising a binder, a cyclic phosphazene, and a salt that complexes with the cyclic phosphazene. The cyclic phosphazene has the general formula ##STR1## wherein x is 3 or 4. |
| 5104602 |
Method of forming fibers of blends of etheric phosphazene polymers and metal oxides |
April 14, 1992 |
| Fibers formed of a blend of metal oxide, such as titanium or zirconium oxide, with etheric phosphazene are formed by preparing solutions of etheric phosphazene and inorganic alkoxides, such as titanium isopropoxide. The solutions are then formed into fibers and cured at room temperat |
| 5010128 |
Composites of etheric phosphazene and metal oxides and the method of their formation |
April 23, 1991 |
| The invention provides a blend of metal oxide, such as silicon oxide, with etheric phosphazene. The invention optionally contains salt for antistatic coatings. The composition of the invention is formed by preparing solutions of etheric phosphazene and alkoxysilane, such as tetraetho |
| 4971897 |
Photographic silver halide element containing cyclic phosphazene and salt antistatic composition |
November 20, 1990 |
| The present invention provides an antistatic composition comprising a binder, a cyclic phosphazene, and a salt that complexes with the cyclic phosphazene. The cyclic phosphazene has the general formula ##STR1## wherein x is 3 or 4. |
| 4948720 |
Photographic element containing polyphosphazene antistatic composition |
August 14, 1990 |
| The present invention provides a photographic element that includes an antistatic composition comprising a polyphosphazene comprising repeating units of the formula: ##STR1## and a salt that complexes with the polyphosphazene. In the above formula, x, y, R.sub.1, R.sub.4, R.sub.5 |
