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| Number | Title | Issue Date |
| 4415646 | Nitrogen containing polymers as charge enhancing additive for electrophotographic toner This invention is directed to positively charged developer compositions and toner compositions, the toner composition being comprised of resin particles, pigment particles, and from about 0.1 to about 10 percent by weight of the toner particles of a polym... | 11/15/1983 |
| 4389455 | Photographic resin coated paper A photographic resin coated paper having improved resolving power of print images is disclosed. The paper is comprised of a base paper sheet having coated thereon polyolefin resin containing particles of titanium oxide pigment. The surface of the pigment ... | 06/21/1983 |
| 4374924 | Antistatic silver halide photographic light-sensitive material A silver halide photographic light-sensitive material having at least one antistatic layer, said antistatic layer containing a dispersion of polymer represented by the following formula (I): ##STR1## wherein A represents a monomer unit formed from a ... | 02/22/1983 |
| 4367283 | Photographic light-sensitive material with three surface active agents A photographic light-sensitive material with improved antistatic properties comprising a support having thereon at least one hydrophilic colloid layer containing (i) a nonionic surface active agent having a polyoxyethylene group, (ii) an anionic surface active... | 01/04/1983 |
| 4362812 | Photographic materials Static property in a photographic material is effectively prevented by incorporating a specific copolymer formed from, as the copolymerizable components, a betaine-containing polymerizable monomer and a fluorine-containing polymerizable monomer, in the pr... | 12/07/1982 |
| 4343894 | Photographic light-sensitive element with antistatic protective layer The antistatic properties of a photographic light-sensitive member is improved by adding to a surface protective layer a polymer or copolymer having a repeating unit represented by the formula (I) ##STR1## wherein R1 represents hydrogen or... | 08/10/1982 |
| 4338390 | Quarternary ammonium sulfate or sulfonate charge control agents for electrophotographic developers compatible with viton fuser This invention is directed to a dry electrostatic toner composition containing a resin, a colorant or pigment, and an organic sulfate or sulfonate charge control additive of the following formula: ##STR1## wherein R1 is an alkyl radical co... | 07/06/1982 |
| 4335201 | Antistatic compositions and elements containing same Photographic base elements and radiation-sensitive elements are protected against the adverse effects resulting from accumulation of static electrical charges by incorporating therein an antistatic layer. Such layer is prepared from a coating composition ... | 06/15/1982 |
| 4330618 | Photographic light sensitive material A photographic light-sensitive material containing a copolymer comprising a betaine group-containing monomer and a fluorine atom-containing monomer in at least one photographic layer thereof, whereby the material is improved in the antistatic properties w... | 05/18/1982 |
| 4323644 | Photographic material containing polymers with active ester groups A photographic material having at least one layer containing a polymer having a repeating unit of the formula (I): ##STR1## wherein A is a monomer unit copolymerized with a copolymerizable ethylenically unsaturated monomer; R is a hydrogen atom or a ... | 04/06/1982 |
| 4323634 | Electrographic toner and developer composition containing quaternary ammonium salt charge control agent The present invention relates to the use of low levels of quaternary ammonium salt surfactants as charge control agents for an electrostatic toner contained in dry electrographic developer compositions. Particularly useful such charge control agents are t... | 04/06/1982 |
| 4308332 | Conductive latex compositions, elements and processes A coating composition useful in forming conductive layers comprises a latex having water as a continuous phase and, as a dispersed phase, hydrophobic polymer particles having associated therewith a polyaniline salt semiconductor. The coating composition c... | 12/29/1981 |
| 4304852 | Silver halide photographic light-sensitive material A silver halide photographic light-sensitive material is described containing a film-forming water-soluble polymer derived from a monomer including a carboxylic acid group; a compound of the formula (I) ##STR1## wherein A is ##STR2## or a... | 12/08/1981 |
| 4299903 | Emulsion polymerization process for dry positive toner compositions employs charge control agent as wetting agent This invention relates to a process for the preparation of dry positively charged toner particles, and more spceifically a polymerization process for preparing dry positively charged toner resins, containing a charge control agent, or additive which has a... | 11/10/1981 |
| 4294739 | Antistatic compositions comprising crosslinkable latex binders A coating composition useful in forming conductive layers comprises a conductive, water-dispersible, particulate polymer and a crosslinkable latex binder. The crosslinkable latex has a first glass transition temperature before crosslinking of substantiall... | 10/13/1981 |
| 4291112 | Modification of pigment charge characteristics A toner composition comprised of a resin and a pigment coated with a nitrogen containing compound thereby causing a change in the charge characteristics of the pigment, the nitrogen containing compound being selected from the group consisting of (a) quate... | 09/22/1981 |
| 4287284 | Method of imagining using positive toners containing alkyl morpholinium compounds Toner compositions comprised of a toner resin, a colorant, or pigment and an alkyl morpholinium compound of the following formula: ##STR1## wherein R1 is a hydrocarbon radical containing from about 8 to about 22 carbon atoms, R2... | 09/01/1981 |
| 4287286 | Toner repellant coating for dielectric film Electroreprographic films comprising a support member which are capable of acquiring an electrostatic charge which on passing through a toner bath pick up unwanted toner outside the image area which is not fixed during development. The unwanted toner pick... | 09/01/1981 |
| 4272616 | Photographic radiation-sensitive materials having improved antistatic property Photographic radiation-sensitive materials having an improved antistatic property which comprise a nonionic polyoxyethylene surface active agent and at least one of a thiocyanate, iodide, perchlorate and periodate in at least one layer.... | 06/09/1981 |
| 4251626 | Silver halide photographic materials containing gelatin reactive antistatic agents A silver halide photographic material having on a support at least one gelatin-containing layer containing as an antistatic agent a gelatin reactive surface active agent having at least one long chain hydrophobic group, at least one of a hydrophilic group... | 02/17/1981 |
| 4237194 | Conductive polyanaline salt-latex compositions, elements and processes A coating composition useful in forming conductive layers comprises a latex having water as a continuous phase and, as a dispersed phase, hydrophobic polymer particles having associated therewith a polyaniline salt semiconductor. The coating composition c... | 12/02/1980 |
| 4221856 | Electrographic toner containing resin-compatible quaternary ammonium compound Toners comprised of a resin and a quaternary ammonium compound of the formula ##STR1## in which at least two R radicals are hydrocarbon radicals having from about 8 to about 22 carbon atoms and each other R is a hydrogen or hydrocarbon radical h... | 09/09/1980 |
| 4126467 | Silver halide photographic materials having improved anti-static properties A silver halide photographic material having improved anti-static properties comprising a support having thereon at least one silver halide emulsion layer and which contains in an outermost layer of the photographic material, in a layer contiguous to a su... | 11/21/1978 |
| 4118231 | Light-sensitive silver halide photographic materials containing antistatic agents Static resistance of a light-sensitive silver halide photographic material is improved by treating said material with a solution or dispersion of a polymer containing quaternary ammonium groups, and which also acts as an antifoaming agent in processing so... | 10/03/1978 |
| 4085245 | Transparencies for color xerographic copies Disclosed is a transparency for use in electrostatographic reproduction, particularly in the multi-color mode of such reproduction. The transparency comprises: A) a base of transparent polyester sheet; B) a second layer adherent to the surface of said polyeste... | 04/18/1978 |
| 4013696 | Element comprising a coating layer containing a mixture of a cationic perfluorinated alkyl and an alkylphenoxy-poly(propylene oxide) A combination of improved coatability of a coating composition onto an anionic surfactant-containing contiguous layer of a radiation-sensitive or non-radiation sensitive film element, plus better control of static electricity on the resulting coated film ... | 03/22/1977 |
| 3969283 | Recording material A recording material is described, which comprises a support of paper or of synthetic polymer and an electroconductive layer on at least one side of the support. The surface resistance of this electroconductive layer is not more than 1011 ohms ... | 07/13/1976 |
