US3236639A - Two component partially removable electrophotographic developer powder and process for utilizing same - Google Patents
Two component partially removable electrophotographic developer powder and process for utilizing same Download PDFInfo
- Publication number
- US3236639A US3236639A US50316A US5031660A US3236639A US 3236639 A US3236639 A US 3236639A US 50316 A US50316 A US 50316A US 5031660 A US5031660 A US 5031660A US 3236639 A US3236639 A US 3236639A
- Authority
- US
- United States
- Prior art keywords
- toner
- acid
- toners
- image
- weight
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- NICFDLORAOTXMD-UHFFFAOYSA-N 6-chloro-2-methyl-1h-benzimidazole Chemical compound C1=C(Cl)C=C2NC(C)=NC2=C1 NICFDLORAOTXMD-UHFFFAOYSA-N 0.000 description 5
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- 239000002202 Polyethylene glycol Substances 0.000 description 4
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- 229960004050 aminobenzoic acid Drugs 0.000 description 4
- HCAUQPZEWLULFJ-UHFFFAOYSA-N benzo[f]quinoline Chemical compound C1=CC=C2C3=CC=CC=C3C=CC2=N1 HCAUQPZEWLULFJ-UHFFFAOYSA-N 0.000 description 4
- 150000001735 carboxylic acids Chemical class 0.000 description 4
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 4
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- 229920001223 polyethylene glycol Polymers 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
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- RKRXTVLCZDPERO-UHFFFAOYSA-N 2-methyl-6-nitro-1h-benzimidazole Chemical compound C1=C([N+]([O-])=O)C=C2NC(C)=NC2=C1 RKRXTVLCZDPERO-UHFFFAOYSA-N 0.000 description 3
- 244000215068 Acacia senegal Species 0.000 description 3
- 229920000084 Gum arabic Polymers 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 3
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- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 3
- 239000000205 acacia gum Substances 0.000 description 3
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- 239000004020 conductor Substances 0.000 description 3
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- 230000000717 retained effect Effects 0.000 description 3
- PYWVYCXTNDRMGF-UHFFFAOYSA-N rhodamine B Chemical compound [Cl-].C=12C=CC(=[N+](CC)CC)C=C2OC2=CC(N(CC)CC)=CC=C2C=1C1=CC=CC=C1C(O)=O PYWVYCXTNDRMGF-UHFFFAOYSA-N 0.000 description 3
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- NPNUZBBMRYRAPF-UHFFFAOYSA-N 2-methyl-4-nitro-1h-benzimidazole Chemical compound C1=CC=C2NC(C)=NC2=C1[N+]([O-])=O NPNUZBBMRYRAPF-UHFFFAOYSA-N 0.000 description 2
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- DSEKYWAQQVUQTP-XEWMWGOFSA-N (2r,4r,4as,6as,6as,6br,8ar,12ar,14as,14bs)-2-hydroxy-4,4a,6a,6b,8a,11,11,14a-octamethyl-2,4,5,6,6a,7,8,9,10,12,12a,13,14,14b-tetradecahydro-1h-picen-3-one Chemical compound C([C@H]1[C@]2(C)CC[C@@]34C)C(C)(C)CC[C@]1(C)CC[C@]2(C)[C@H]4CC[C@@]1(C)[C@H]3C[C@@H](O)C(=O)[C@@H]1C DSEKYWAQQVUQTP-XEWMWGOFSA-N 0.000 description 1
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- YQDSXDPQYUXRDP-UHFFFAOYSA-N 1,3,5-triphenylpyrazole Chemical compound C=1C(C=2C=CC=CC=2)=NN(C=2C=CC=CC=2)C=1C1=CC=CC=C1 YQDSXDPQYUXRDP-UHFFFAOYSA-N 0.000 description 1
- RMSOEGBYNWXXBG-UHFFFAOYSA-N 1-chloronaphthalen-2-ol Chemical compound C1=CC=CC2=C(Cl)C(O)=CC=C21 RMSOEGBYNWXXBG-UHFFFAOYSA-N 0.000 description 1
- LNETULKMXZVUST-UHFFFAOYSA-N 1-naphthoic acid Chemical compound C1=CC=C2C(C(=O)O)=CC=CC2=C1 LNETULKMXZVUST-UHFFFAOYSA-N 0.000 description 1
- RUFPHBVGCFYCNW-UHFFFAOYSA-N 1-naphthylamine Chemical compound C1=CC=C2C(N)=CC=CC2=C1 RUFPHBVGCFYCNW-UHFFFAOYSA-N 0.000 description 1
- HYZJCKYKOHLVJF-UHFFFAOYSA-N 1H-benzimidazole Chemical compound C1=CC=C2NC=NC2=C1 HYZJCKYKOHLVJF-UHFFFAOYSA-N 0.000 description 1
- USYCQABRSUEURP-UHFFFAOYSA-N 1h-benzo[f]benzimidazole Chemical compound C1=CC=C2C=C(NC=N3)C3=CC2=C1 USYCQABRSUEURP-UHFFFAOYSA-N 0.000 description 1
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- HRRDCWDFRIJIQZ-UHFFFAOYSA-N naphthalene-1,8-dicarboxylic acid Chemical compound C1=CC(C(O)=O)=C2C(C(=O)O)=CC=CC2=C1 HRRDCWDFRIJIQZ-UHFFFAOYSA-N 0.000 description 1
- ZFIFHAKCBWOSRN-UHFFFAOYSA-N naphthalene-1-sulfonamide Chemical compound C1=CC=C2C(S(=O)(=O)N)=CC=CC2=C1 ZFIFHAKCBWOSRN-UHFFFAOYSA-N 0.000 description 1
- JRNGUTKWMSBIBF-UHFFFAOYSA-N naphthalene-2,3-diol Chemical compound C1=CC=C2C=C(O)C(O)=CC2=C1 JRNGUTKWMSBIBF-UHFFFAOYSA-N 0.000 description 1
- 229920003986 novolac Polymers 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 150000004866 oxadiazoles Chemical class 0.000 description 1
- FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- QCDYQQDYXPDABM-UHFFFAOYSA-N phloroglucinol Chemical compound OC1=CC(O)=CC(O)=C1 QCDYQQDYXPDABM-UHFFFAOYSA-N 0.000 description 1
- 229960001553 phloroglucinol Drugs 0.000 description 1
- 229920000172 poly(styrenesulfonic acid) Polymers 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 239000001205 polyphosphate Substances 0.000 description 1
- 235000011176 polyphosphates Nutrition 0.000 description 1
- 229940005642 polystyrene sulfonic acid Drugs 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- BITYAPCSNKJESK-UHFFFAOYSA-N potassiosodium Chemical compound [Na].[K] BITYAPCSNKJESK-UHFFFAOYSA-N 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- NNHHDJVEYQHLHG-UHFFFAOYSA-N potassium silicate Chemical compound [K+].[K+].[O-][Si]([O-])=O NNHHDJVEYQHLHG-UHFFFAOYSA-N 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- LJCNRYVRMXRIQR-OLXYHTOASA-L potassium sodium L-tartrate Chemical compound [Na+].[K+].[O-]C(=O)[C@H](O)[C@@H](O)C([O-])=O LJCNRYVRMXRIQR-OLXYHTOASA-L 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- 229940079877 pyrogallol Drugs 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
- CVHZOJJKTDOEJC-UHFFFAOYSA-N saccharin Chemical compound C1=CC=C2C(=O)NS(=O)(=O)C2=C1 CVHZOJJKTDOEJC-UHFFFAOYSA-N 0.000 description 1
- 229960004889 salicylic acid Drugs 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- KUGJMOBKICDOTA-UHFFFAOYSA-N sodium 3-[(4-acetamidophenyl)diazenyl]-4,5-dihydroxynaphthalene-2,7-disulfonic acid Chemical compound CC(=O)NC1=CC=C(C=C1)N=NC2=C(C3=C(C=C(C=C3C=C2S(=O)(=O)O)S(=O)(=O)O)O)O.[Na+] KUGJMOBKICDOTA-UHFFFAOYSA-N 0.000 description 1
- AIGNXYAXVZKWAS-UHFFFAOYSA-N sodium 5-acetamido-3-[(4-acetamidophenyl)diazenyl]-4-hydroxynaphthalene-2,7-disulfonic acid Chemical compound CC(=O)NC1=CC=C(C=C1)N=NC2=C(C3=C(C=C(C=C3C=C2S(=O)(=O)O)S(=O)(=O)O)NC(=O)C)O.[Na+] AIGNXYAXVZKWAS-UHFFFAOYSA-N 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 description 1
- 239000004299 sodium benzoate Substances 0.000 description 1
- 235000010234 sodium benzoate Nutrition 0.000 description 1
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 description 1
- 235000019982 sodium hexametaphosphate Nutrition 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 239000001476 sodium potassium tartrate Substances 0.000 description 1
- 235000011006 sodium potassium tartrate Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 125000005504 styryl group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229940124530 sulfonamide Drugs 0.000 description 1
- 150000003456 sulfonamides Chemical class 0.000 description 1
- 125000005463 sulfonylimide group Chemical group 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- AUHHYELHRWCWEZ-UHFFFAOYSA-N tetrachlorophthalic anhydride Chemical compound ClC1=C(Cl)C(Cl)=C2C(=O)OC(=O)C2=C1Cl AUHHYELHRWCWEZ-UHFFFAOYSA-N 0.000 description 1
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 229950003937 tolonium Drugs 0.000 description 1
- HNONEKILPDHFOL-UHFFFAOYSA-M tolonium chloride Chemical compound [Cl-].C1=C(C)C(N)=CC2=[S+]C3=CC(N(C)C)=CC=C3N=C21 HNONEKILPDHFOL-UHFFFAOYSA-M 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 150000003628 tricarboxylic acids Chemical class 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- 229910000406 trisodium phosphate Inorganic materials 0.000 description 1
- 235000019801 trisodium phosphate Nutrition 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
- 239000011592 zinc chloride Substances 0.000 description 1
- 235000005074 zinc chloride Nutrition 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/10—Developers with toner particles characterised by carrier particles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/913—Material designed to be responsive to temperature, light, moisture
Definitions
- resins of the types that may be used for the preparation of the positive toners may be added to the negative toners in quantities of up to 50% by weight.
- proportions of the waxes and organic compounds mentioned above of low melting point i.e., between about 40 and 150 C. may also be added to the metal resinates.
- dyestuffs and pigments those described in conjunction with the positive toners may be used. However, in general, the content of pigments and dyestuffs should not exceed 10% of the metal resinates, if negative polarity is to be adequately maintained.
- the electrophotographic material used is preferably that having organic photoconductor coatings on a support, preferably metal and particularly aluminum.
- Thickening agents such as cellulose alkyl ether, polyvlnyl alcohol or carbalkoxy celluloses may be added both to the acids and to the liquids used for the alkaline treatment,
- a developer consisting of 10 parts by weight of a finely pulverized benzidine and 2 parts by weight of a colored ketone resin (Kunstharz EM).
- 10 parts by weight of the resin are first melted, 2 parts by weight of carbon black are added, and the mixture is stirred. The cooled melt is ground and sieved.
- the benzidine and the ketone resin, colored with carbon black, are used in particle sizes of 1030p.. When they are mixed, the benzidine acquires a negative charge and the colored ketone resin a positive charge.
- a substantially dry developer for use in electrophotographic processes consisting essentially of at least one toner which in use acquires a positive charge and at least one which acquires a negative charge, the toners being of approximately equal particle size, and at least one of the toners being selected from the group consisting of water-soluble toners, alkali-soluble toners, acid-soluble toners, toners which upon decomposition by heating form only products which are soluble in one of the said media, and toners which upon decomposition by heating form only products which are completely in the gaseous phase, one of the toners being removable from a base material independently of other toners located thereon after development of an electrostatic image in an electrophotographic process.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Developing Agents For Electrophotography (AREA)
- Photosensitive Polymer And Photoresist Processing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEK38623A DE1197754B (de) | 1959-09-04 | 1959-09-04 | Entwickler fuer elektrophotographische Zwecke |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US3236639A true US3236639A (en) | 1966-02-22 |
Family
ID=7221448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US50316A Expired - Lifetime US3236639A (en) | 1959-09-04 | 1960-08-18 | Two component partially removable electrophotographic developer powder and process for utilizing same |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3236639A (en)) |
| BE (1) | BE594397A (en)) |
| CH (1) | CH382559A (en)) |
| DE (1) | DE1197754B (en)) |
| FR (1) | FR1274515A (en)) |
| GB (1) | GB944395A (en)) |
| LU (1) | LU39099A1 (en)) |
| NL (1) | NL255481A (en)) |
| SE (1) | SE218046C1 (en)) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3454347A (en) * | 1964-05-12 | 1969-07-08 | Heberlein & Co Ag | Fabric dyeing by transferring by heating or solubilizing a dye from an electrostatically deposited,heat or solvent fused water soluble dielectric carrier |
| US3510297A (en) * | 1966-05-05 | 1970-05-05 | Ibm | Process for producing negative transparencies |
| US3864125A (en) * | 1969-02-10 | 1975-02-04 | Xerox Corp | Electrophotographic method of making an imaging master |
| US3884825A (en) * | 1972-08-03 | 1975-05-20 | Xerox Corp | Imaging composition |
| US3928655A (en) * | 1973-03-05 | 1975-12-23 | Fuji Photo Film Co Ltd | Electrostatic powder coating method |
| US3985559A (en) * | 1973-10-23 | 1976-10-12 | Oce-Van Der Grinten N.V. | Toner powder for electrostatic images |
| JPS5225420B1 (en)) * | 1970-12-11 | 1977-07-07 | ||
| US4352877A (en) * | 1979-08-22 | 1982-10-05 | Fujitsu Limited | Electrophotographic developing process using flash fixation and toner therefor |
| US4395485A (en) * | 1980-04-03 | 1983-07-26 | Toray Industries, Inc. | Dry electrophotographic toner comprising small, polymer coated particles as flow agent |
| US4404270A (en) * | 1980-05-22 | 1983-09-13 | Hitachi Chemical Company, Ltd. | Positively chargeable powdered electrophotographic toner containing dialkyl tin oxide charge control agent |
| US4455360A (en) * | 1979-06-13 | 1984-06-19 | Mitsui Toatsu Chemicals, Incorporated | Electrophotographic toner comprising cinnamic acid |
| US4500616A (en) * | 1982-09-20 | 1985-02-19 | Konishiroku Photo Industry Co., Ltd. | Extraction developing method for electrostatic latent images |
| US4921771A (en) * | 1972-10-21 | 1990-05-01 | Konishiroku Photo Industry Co., Ltd. | Toner for use in developing electrostatic images containing polypropylene |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3844815A (en) * | 1972-12-18 | 1974-10-29 | Xerox Corp | Foron yellow as a toner colorant |
| DE2726263C2 (de) * | 1977-06-10 | 1985-10-10 | Hoechst Ag, 6230 Frankfurt | Verfahren zum Herstellen von Druckformen |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2638416A (en) * | 1948-05-01 | 1953-05-12 | Battelle Development Corp | Developer composition for developing an electrostatic latent image |
| US2735785A (en) * | 1953-07-30 | 1956-02-21 | Process of electrostatic printing | |
| US2917460A (en) * | 1955-06-17 | 1959-12-15 | Ibm | Powder compositions useful as electroscopic toners |
| US2919247A (en) * | 1954-12-23 | 1959-12-29 | Haloid Xerox Inc | Tripartite developer for electrostatic images |
| US2965573A (en) * | 1958-05-02 | 1960-12-20 | Haloid Xerox Inc | Xerographic developer |
| US3010842A (en) * | 1955-08-29 | 1961-11-28 | Xerox Corp | Development of electrostatic images |
| US3013890A (en) * | 1958-07-08 | 1961-12-19 | Xerox Corp | Process of developing electrostatic images and composition therefor |
| US3078231A (en) * | 1959-05-13 | 1963-02-19 | Commw Of Australia | Controlled developer for use in electro-photography and electro-radiography |
-
0
- BE BE594397D patent/BE594397A/xx unknown
- NL NL255481D patent/NL255481A/xx unknown
-
1959
- 1959-09-04 DE DEK38623A patent/DE1197754B/de active Pending
-
1960
- 1960-08-18 US US50316A patent/US3236639A/en not_active Expired - Lifetime
- 1960-08-23 LU LU39099D patent/LU39099A1/xx unknown
- 1960-08-23 CH CH954460A patent/CH382559A/de unknown
- 1960-08-23 SE SE805160A patent/SE218046C1/sv unknown
- 1960-08-26 FR FR836828A patent/FR1274515A/fr not_active Expired
- 1960-08-30 GB GB29880/60A patent/GB944395A/en not_active Expired
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2638416A (en) * | 1948-05-01 | 1953-05-12 | Battelle Development Corp | Developer composition for developing an electrostatic latent image |
| US2735785A (en) * | 1953-07-30 | 1956-02-21 | Process of electrostatic printing | |
| US2919247A (en) * | 1954-12-23 | 1959-12-29 | Haloid Xerox Inc | Tripartite developer for electrostatic images |
| US2917460A (en) * | 1955-06-17 | 1959-12-15 | Ibm | Powder compositions useful as electroscopic toners |
| US3010842A (en) * | 1955-08-29 | 1961-11-28 | Xerox Corp | Development of electrostatic images |
| US2965573A (en) * | 1958-05-02 | 1960-12-20 | Haloid Xerox Inc | Xerographic developer |
| US3013890A (en) * | 1958-07-08 | 1961-12-19 | Xerox Corp | Process of developing electrostatic images and composition therefor |
| US3078231A (en) * | 1959-05-13 | 1963-02-19 | Commw Of Australia | Controlled developer for use in electro-photography and electro-radiography |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3454347A (en) * | 1964-05-12 | 1969-07-08 | Heberlein & Co Ag | Fabric dyeing by transferring by heating or solubilizing a dye from an electrostatically deposited,heat or solvent fused water soluble dielectric carrier |
| US3510297A (en) * | 1966-05-05 | 1970-05-05 | Ibm | Process for producing negative transparencies |
| US3864125A (en) * | 1969-02-10 | 1975-02-04 | Xerox Corp | Electrophotographic method of making an imaging master |
| JPS5225420B1 (en)) * | 1970-12-11 | 1977-07-07 | ||
| US3884825A (en) * | 1972-08-03 | 1975-05-20 | Xerox Corp | Imaging composition |
| US4921771A (en) * | 1972-10-21 | 1990-05-01 | Konishiroku Photo Industry Co., Ltd. | Toner for use in developing electrostatic images containing polypropylene |
| US3928655A (en) * | 1973-03-05 | 1975-12-23 | Fuji Photo Film Co Ltd | Electrostatic powder coating method |
| US3985559A (en) * | 1973-10-23 | 1976-10-12 | Oce-Van Der Grinten N.V. | Toner powder for electrostatic images |
| US4455360A (en) * | 1979-06-13 | 1984-06-19 | Mitsui Toatsu Chemicals, Incorporated | Electrophotographic toner comprising cinnamic acid |
| US4352877A (en) * | 1979-08-22 | 1982-10-05 | Fujitsu Limited | Electrophotographic developing process using flash fixation and toner therefor |
| US4395485A (en) * | 1980-04-03 | 1983-07-26 | Toray Industries, Inc. | Dry electrophotographic toner comprising small, polymer coated particles as flow agent |
| US4404270A (en) * | 1980-05-22 | 1983-09-13 | Hitachi Chemical Company, Ltd. | Positively chargeable powdered electrophotographic toner containing dialkyl tin oxide charge control agent |
| US4500616A (en) * | 1982-09-20 | 1985-02-19 | Konishiroku Photo Industry Co., Ltd. | Extraction developing method for electrostatic latent images |
Also Published As
| Publication number | Publication date |
|---|---|
| SE218046C1 (en)) | 1968-01-02 |
| GB944395A (en) | 1963-12-11 |
| LU39099A1 (en)) | 1960-10-24 |
| DE1197754B (de) | 1965-07-29 |
| NL255481A (en)) | |
| CH382559A (de) | 1964-09-30 |
| BE594397A (en)) | |
| FR1274515A (fr) | 1961-10-27 |
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